Microorganisms - ENVIS Centre

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Microbial Diversity
S.No	SPECIES NAME	HABITAT	METHOD OF CULTURE	ECOLOGICAL SIGNIFICANCE	AUTHOR & ORGANIZATION
1)	Acinetobacter calcoaceticus	Received from MTCC, Chandigarh.	Culture (in basal medium with glucose or catechin)	Role of the organism in degradation of catechin.	Arunachalam M, Manjula B, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
2)	Acinetobacter sp., Bacillus sp.,	Effluent of slaughter house from Adyar and Saidapet.	Culture (on potato dextrose agar)	Production of protease.	Rajamani S, Manjula B, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
3)	Actinomyces spp and Streptomyces spp	Vellar estuary- Porto novo.	Isolated from 5 molluscs (central portion) and cultured on Zobell's medium and starch- casein agar	Production of antibiotics.	Vanaja kumar, CAS in Marine Biology, Annamalai University, Porto novo. TamilNadu, India.
4)	Actinomycetes especially Streptomyces spp and Actinopolyspora sp	Pichavaram mangroves.	Culture (Serial dilution in starch casein agar and Kuster's agar medium)	Antagonistic against human pathogens.	Siva kumar K, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
5)	Aeromonas trota	Aquatic environment	selective medium (Ampicillin)	The results from this study indicate that less than 99.3% of environmental aeromonads are resistant to ampicillin.	Canadian journal of microbiology Volume:53 Issue:1 Year:2007 Page:39.
6)	Agaricales	All over South India.	No culturing (direct examination and the organisms were dried as specimens)	The mushroom ecology of South India has been studied in the work.	Manjula B, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
7)	All root disease causing pathogens	Coimbatore and kovilpatti.	Culture (soil-oats medium)	Ecological significance of soil condition with respect to root diseases,along with the various biotic stresses was dealt in detail.	K.Raghu, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
8)	Aspergillus niger, Penicillium flavus, Aspergillus versicolor, Aspergillus tamarii	within homes of Asthmatic patients in Chennai city.	Different culture medium	Unusual exposure to fungal spores in combination with biotic and abiotic factors can promote viral and bacterial diseases and decrease general wellbeing.	Mrs. S. Bhuvaneshwari, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
9)	Azotobacter	Vellar estuary, Manoli island.	Culture (Winogradsky's medium)	Free living nitrogen fixers.	Purushothaman A, CAS in Marine Biology, Annamalai University, Porto novo. TamilNadu, India.
10)	Azotobacter spp	Pichavaram mangrove forest.	Culture (Winogradsky's medium)	Nitrogen fixation and hence used as bio fertilizers.	Ravikumar S, CAS in Marine Biology, Annamalai University, Porto novo. TamilNadu, India.
11)	Bacillus cereus	Muthupettai mangrove region.	Culture (serial dilution and plating in Nivon's medium)	Production of histamine.	Paramasivam S, CAS in Marine Biology, Annamalai University, Porto novo. TamilNadu, India.
12)	Bacillus cereus, B.anthracis, B.thuringiensis	Solid growth media	Solid growth media	The concept that has been adopted in bacterial systematics originated from the one applied to higher organisms.	Canadian journal of microbiology Volume:53 Issue:6 Year:2007 Page:673.
13)	Bacillus sp	Rice fields in and around Kerala.	From rice rhizosphere soil (Serial dilution)	Biological control.	Preeti vasudevan, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
14)	Bacillus sp, Enterococcus solitarius, Lactobacillus fermentum, and Bacillus macerans	Textile and dying industry effluents from Tirupur, Chennai, Namakkal and Kelambakkam.	Culture (Luria agar)	Bioremediation of industrial waste waters, by production of extracellular enzymes.	R.Yamini, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
15)	Bacillus subtilis	Isolated from decayed wood soil samples of Kalakkad reserve forest and Silent valley.	Culture (Dye's medium and lignin enrichment medium)	Role of the organism in the biodegradation of lignin.	Guru jayalakshmi G, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
16)	Bacillus subtilis	Culture in laboratory	LB agar medium	The microbial process invariably result in very little or nil pollution to the environment.	P. Arumugam, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
17)	Bradyrhizobium japonicum	Gifted culture from IARI, New Delhi.	Culture (on yeast extract mannitol agar)	Role of organism in biodegradation of catechol.	Waheeta A, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
18)	Cercospora personata	Collected near madras from infected groundnut leaves.	Culture (On PDA and carrot leaf extract agar)	Causal agent of Tikka disease in groundnut.	K.S.Bhama, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
19)	Cercospora personata	Own laboratory culture, UBL, Guindy.	Culture (on PDA and czapek-dox medium)	Causal agent of Tikka disease in groundnut.	Ramanujam M P, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
20)	Cercospora personata	Naturally infected leaves from Tindivanam.	Culture on potato dextrose agar	Causal agent of leaf spot disease in ground nut.	Venkatappa B, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
21)	Chaetomium cupreum, Curvularia lunata, Fusarium solani, Rhizoctonia solani, Rhizoctonia bataticola and Trichoderma viride	Isolated from rice field soil collected from Maduravoyal field research laboratory, Chennai.	Culture (on special medium with tannin derivatives and maintained in potato dextrose agar)	Biodegradation of tannins was focused with fungi from rice field.	Sambandam T, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
22)	Chaetomorpha linum, Enteromorpha intestinalis, Hypnea musciformis, Gracilaria verrucosa, Padina gymnosperma and Ulva lactuca	Vellar estuary, killai backwater and Pondicherry open coast.	Direct collection	Sea weeds as liquid bio fertilizer.	Yogamoorthi A, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
23)	Cochliobolus miyabeanus	Culture on potato dextrose agar.	Central rice research institute, cuttack	Causal agent of brown-spot disease in rice.	Satya narain singh, Srivastava, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
24)	Coliforms, Pseudomonas aeruginosa, Salmonella, Vibrio spp.,	Cuddalore coast.	Serially diluting the sample (on Macconkey's agar)	Bio indicators for water quality.	Jayalakshmi S, CAS in Marine Biology, Annamalai University, Porto novo. TamilNadu India.
25)	Coliforms, Pseudomonas aeruginosa, Salmonella, Vibrio spp.,	Cuddalore coast.	Serially diluting the sample (on Macconkey's agar)	Bio indicators for water quality.	Jayalakshmi S, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
26)	Colletotrichum capsici	Gifted culture from Plant pathology, Andhrapradesh agricultural university.	Culture (on PDA)	Causal agent of fruit-rot disease in chillies.	V.Thirupathiah, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
27)	Colletotrichum capsici	UBL, Guindy (already isolated, their lab culture).	Culture (on PDA)	Causal agent of fruit rot of chilli.	Soosamma Varghese, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
28)	Colletotrichum capsici	Gifted culture from dept of plant pathology, Andhra Pradesh agricultural University Another culture from UBL, Guindy.	Culture (on malt extract agar)	Causal agent of fruit rot diseases in chilli.	Seethalakshmi K K, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
29)	Coprophilous fungi	Collected from different parts of South India.	1. Moist-chamber incubation method. 2. Dilution plate technique. 3. Warcup’s soil plate techniquer.	Coprophilous environment, a typical high temperature environment with respect to it's richness in fungal flora is explored.	K.V.Chandrashekara, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
30)	Dinitrogen fixers	Rhizosphere soils collected from plants on sandy sea shore opposite to University campus, Chepauk	By serial dilution and plating on nitrogen free semisolid medium	Beneficial organisms, in terms of nitrogen fixation	Thevanathan R, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
31)	Dreschlera oryzae	Infected paddy fields in Chennai.	Culture (on Czapek-dox agar)	Casual agent of brown spot disease in rice.	Annamalai P, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
32)	Dreschlera oryzae	Isolated from infected rice leaves, Maduravoyal	Culture (on oat meal agar)	Casual agent of brown spot disease in rice	Nageswara Rao M, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
33)	Dunaliella salina	Isolated from salt evaporation ponds at Kelambakkam, Chennai.	Liquid culture (on Dewalne's medium)	Anti-cancer in nature.	Raja A, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
34)	Edwardsiella tarda, Escherichia coli, Klebsiella pneumoniae, Citrobacter freundii, Enterobacter agglomeranse	Rhizosphere and root samples from trees on the sea shore near Madras University main campus.	Culturing on nitrogen free medium	Dinitrogen fixation and ammonia assimilation.	Hema menon, CAS in Marine biology, Annamalai University, Porto novo. TamilNadu, India.
35)	Enteric viruses, noroviruses, Escherichia coli	Municipal ground water.	Tryptic soy broth	This work allowed us to characterize the microbiologic and virologic quality of ground water used as municipal drinking water sources in Qubeck.	Canadian journal of microbiology Volume:53 Issue:6 Year:2007 Page:689.
36)	Enteromorpha intestinalis, Sargassum tenerrimum	Cuddalore coast.	Direct collection	Liquid fertilizer for plant growth.	Gandhiyappan K, CAS in Marine biology, Annamalai University, Porto novo. TamilNadu, India.
37)	Enteromorpha intestinalis, Sargassum tenerrimum	Cuddalore coast.	Direct collection	Liquid fertilizer for plant growth.	Gandhiyappan K, CAS in Marine biology, Annamalai University, Porto novo. TamilNadu, India.
38)	Escherichia coli	Vellar estuary and pitchavaram mangrove.	Culture (serial dilution and MPN count)	Important organism in bio indicators for assessing water quality.	Ramesh S, CAS in Marine biology, Annamalai University, Porto novo. TamilNadu, India.
39)	Escherichia coli	water.	triphenyl 2, 3, 5- tetrazolium chloride tergitol medium	This study reveals that the new criterion will need a major improvement of microbiological water quality in a lot of fresh waters bathing sites.	Canadian journal of microbiology Volume:53 Issue:6 Year:2007 Page:
40)	Escherischia coli	Water samples, diarrhoal stool	Agar medium	This study gives evidence that ETEC is prevalent and abundant in the environment.	Canadian journal of microbiology Volume:53 Issue:1 Year:2007 Page:19.
41)	F.oxysporum f.sp vasinfectum	1. Indian strain from wilt sick soil of palladam 2. American strain was a gifted culture from Clemson University, South Carolina, USA.	Culture (on potato dextrose agar)	Causal agent of cotton wilt.	Muruganandham V, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
42)	Flavobacterium sp	Effluent samples collected from Tamil Nadu news print limited, Karur.	Culture (on Luria bertani agar and Dye's agar medium)	Role of the organism in remediation of effluents.	Elangovan N, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
43)	Fusaria spp	Collected all over south India.	Culture	Causal agent of wilt disease in plants.	C.S.Venkataram, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
44)	Fusarium lateritium	All over south India	Infected roots of tomatoes by direct plating.	Casual agent of tomato wilt.	R.Prasanna varma, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
45)	Fusarium moniliforme	UBL (university botany laboratory) Botany.	Culture	Causal agent of foot rot of rice.	R.Andal, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
46)	Fusarium moniliforme	Agriculture Research Institute, (Coimbatore).	Culture (Richard's medium)	Casual agent of "foot-rot" disease in rice.	K.S.S. Thakur, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
47)	Fusarium oxysporum f. vasinfectum	Gifted cultures from University of California and fungi culture collection, Moscow. Local cultures isolated from wilt sick soil from Palladam.	Culture (Glucose casamino acid medium)	Causal agent of cotton wilt.	B.Chandralatha, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
48)	Fusarium solani	From uredosori of Puccinia arachidis (CAS in Botany, University of Madras).	Culture ( on Potato dextrose agar)	Ability to produce extracellular enzymes like protease, glucanase and chitinase Also biocontrol agent against Puccinia arachidis, causal agent of groundnut rust.	Bhuvaneshwari P, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
49)	Fusarium spp	Gifted culture from central bureau voor schimmel cultures (Baarn).	Culture	Causal agent of wilt diseases.	D.Subramanian, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
50)	Fusarium spp	Rhizosphere soils from koilpatti and palladam.	Culture (sucrose-nitrate medium)	Causal agent of wilt disease in plants.	C.B.Sulochana, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
51)	Fusarium udum	Infected plants from University botany laboratory.	Culture (oat-meal agar)	Causal agent of wilt in pigeon pea.	S.Subramanian, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
52)	Fusarium vasinfectum	In and around udamalpet, T.N.	Plating (infected roots of cotton)	Causal agent of cotton wilt.	C.Thankam, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
53)	Fusarium vasinfectum	All the cultures were obtained from central bureau voor schimmel cultures, Baarn.	Culture	Causal agent of cotton wilt.	G.Satyanarayana, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
54)	Fusarium vasinfectum	wilt-sick cotton field soil collected from palladam, Coimbatore district.	Culture on potato dextrose agar	Causal agent of wilt in cotton.	T.A.R.Subbulakshmi, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
55)	Fusarium vasinfectum	Isolated from wilt-sick soils of palladam.	Culture (potato dextrose agar)	Casual agent of wilt in cotton.	S.Venkatraman, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
56)	Fusarium vasinfectum	Isolated from wilt sick soil of Palladam and udumalpet.	Culture (on PDA)	Causal agent of cotton wilt.	C.Lakshminarayanan, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
57)	Fusarium vasinfectum	One Indian strain from wilt sick soil of palladam and one American strain from Clemson university, South carolina.	Culture (on PDA)	Causal agent of cotton wilt.	R.Balasubramanian, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
58)	Fusarium vasinfectum	a.Gifted cultures from Clemson University, Kershaw, South Carolina, USA. b.Isolated cultures from wilt sick soil of Palladam, TamilNadu.	Culture (on PDA)	Causal agent of cotton wilt.	V.G. Malathi, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
59)	Fusarium vasinfectum	1. Wilt sick soil of palladam 2. Gifted culture from Clemson University, south Carolina, USA 3. Gifted culture from Dr.Gerlach’s culture collection, Berlin, Germany.	Culture	Casual agent of cotton wilt.	Vasanthi Sankaranarayanan, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
60)	Fusarium vasinfectum	Wilt-sick soil of Udumalpet, Tamil Nadu.	Culture (on potato dextrose agar)	Causal agent of cotton wilt.	Suresh G, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
61)	Fusarium vasinfectum (fungi)	Samples were collected from udumalpet, Tamil Nadu.	Plating on PDA from infected roots	Potent phytopathogen.	C.V.Subramanian, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
62)	Fusarium vasinfectum and F.udum	1. Isolated from rhizosphere of red gram plants grown in University botany laboratory, Madras (F.udum) 2. F. vasinfectum – supplied by central bureau voor schimmelcultures (Buarn)	Culture	Causal agent of brown-spot disease in rice.	R.Kalyanasundram, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
63)	Fusariumudum	Samples were collected from infected plants of pigeon-pea in Coimbatore.	Culture on PDA	Causal agent of 'tikka' disease in ground nut.	T.S.Sarojini, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
64)	Gliocladium virens	Soil samples from various sunflower grown fields in and around Chennai)	From infected leaves of Sunflower and by culturing on Potato carrot agar	Potential biocontrol agent against Alternaria helianthii, causal agent of sunflower leaf blight.	Anitha R, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
65)	Gliocladium virens, Trichoderma longibrachiatum	Rice field soil in and around Kerala,Rice field soil in Kancheepuram and Kerala.	Culture (on potato dextrose agar and Trichoderma selective medium)	Role of organisms in biocontrol against phytopathogens.	Sreenivasa prasad S, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
66)	Group of Actinomycetes	Palladam, udumalpet and koilpatti.	Culture (soil extract-glucose solution)	The ability of the actinomycetes to produce antibiotics that check the growth of pathogen is clearly explained.	Arjuna Rao, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
67)	Halococcus sp	Pichavaram mangroves	Culture (on medium with saturated sodium chloride)	Production of L-asparaginase enzyme.	Sudha V, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
68)	Helminthosporium oryzae	Obtained from division of mycology and plant pathology, Indian Agricultural Research Institute, New Delhi.	Culture on czapek's medium	Causal agent of leaf-spot in rice.	Padmadai pushpanaden, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
69)	Leaf mycoflora	scrub jungle located in Vandalur	Culture (on PDA and oat meal agar)	Fungi present in leaf and litter were explored.	B. Panduranga vita, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
70)	Magnaporthe grisea	Infected rice leaves through out the country.	Culture (peptone sucrose agar)	Phytopathogens.	David paul raj R S, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
71)	Magnaporthe grisea, Xanthomonas oryzae	Infected rice leaves.	Culture (on Potato dextrose agar)	Rice pathogens.	N.N. Narayanan, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
72)	Mangrove cyanobacteria especially Anacystis dimidiata	Pichavaram mangrove and Vellar estuary.	Direct culture	Antibacterial properties of cyanobacteria will be useful in mariculture and aquaculture when they are given as food.	Ramachandra rao C S , CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
73)	Many soil fungi	Udumalpet, south India.	Root samples (by direct plating)	Diversity of fungi in soil.	Anna T. Zachariah, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
74)	Marine algae	Vellar estuary, killai backwater, Mandapam and adjacent areas, Cape comorin and Muttom, Pichavaram and Goa.	Direct collection	Production of bio active substances.	Padmakumar K, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
75)	Marine and brackish water fungi	Adyar river estuary in Madras city.	Soil dilution, dilution plating, Warcup's method, soil washing method	Mycoflora of marine environments was explored.	S. Raghukumar, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
76)	Marine Diatoms	Krusadi islands, on east coast and Karwar on west coast.	Shaking filtered sea water and by using aquarium aerator	The diatom wealth of Indian coastal environment was estimated.	V.T.Sridharan, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
77)	Mastigocladus laminosus	Gifted culture from Culture centre for Algae and protozoa, Cambridge.	liquid culture (Allen and Arnon's medium)	Beneficial organism in terms of nitrogen fixation.	A. Santhiswaroopa, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
78)	Methanococcoides methylutens	Mangrove sediments of Pitchavaram.	Culture (Mathvani and boon's medium, 1985)	Bio methanation process.	Mohan raju R, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
79)	Microbial consortium, in particular Paecilomyces variotii	Collected from tannery effluents from PTIET-co Ltd., Pallavaram, Chennai and MLMF Pvt., Ltd., Madavaram, Chennai.	Culture (on PDA and nutrient agar)	Efficiency of the organism in Tannin degradation.	Mahendran B, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
80)	Microbial indicators especially Coliforms, Vibrio and Salmonella	Royapuram area of Madras coast.	Culture (MPN technique, on Zobell's 2216 medium)	Common contaminants of food leading to food poisoning.	Aiyamperumal B, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
81)	Mycoflora	Vegetable oil wastes from oil extracting mill located in Tamil Nadu.	Culture (on potato dextrose agar and Yeast extract peptone medium)	Production of lipase enzyme.	Gopinath S, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
82)	Mycoflora (especially Aspergilli and Penicillia)	Pitchavaram mangroves.	Culture ( on rose Bengal agar), samples were collected from surface water, bottom mud, rhizosphere soils, roots and litter from Avicennia officinalis and Rhizophora mucronata)	Fungal flora present in the mangrove environment was explored.	Venkatesan T, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
83)	Mycoflora (nearly 60 members)	Cooling tower and effluents of the Madras refineries, Manali.	Culture (on neo-peptone rose bengal agar medium)	Role of the organisms in waste water management.	Savitha J, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
84)	Mycoflora (with special reference to Chrysosporium spp)	Various poultries located in and around Chennai.	Culture (on Potato dextrose agar and Sabourads dextrose agar)	Role of the organisms in biodegradation of poultry feathers.	Kavitha N S, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
85)	Mycoflora of aquatic habitats	Timber in water cooling towers 1.Basin bridge power station Chennai and 2.Madras fertilizers, Manali, Chennai.	Culture were obtained by water plating, soil plating, Baiting techniques and moist chamber incubation. Cultures were stored on PDA	Biodeterioration of timber in cooling towers was studied exclusively.	Udaiyan K, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
86)	Myrothecium verrucaria	Organism was isolated from the uredosori of Puccinia arachidis.	culture (on Potato dextrose agar)	Role of the organism in chitin degradation.	Shanmugavadivu S, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
87)	Myxomycetes	In and around Madras	Culture (on carrot decoction agar, oat meal agar).	Presence and variety of the organisms were studied.	R.Venkataramani, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
88)	Myxophyceae	All over the country.	By both culture	Diversity in environment.	T.V.Desikachery, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
89)	Nitrosomonas europaea, Nitrosococcus mobiliz.	Bench-scale batch reactor	nil	Activated sludge bench-scale microcosms were used to study the effect of protozoan predation on nitrification rates under various conditions.	Canadian journal of microbiology Volume:53 Issue:5 Year:2007 Page:
90)	Nitzchia obtusa var scalpelliformis	Mouth of Vellar estuary.	Culture (on Guillard F/2 medium)	Antibacterial diatoms.	Mohan kumar A, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
91)	Nitzschia longissima	Vellar estuary	Direct sampling	Antibacterial activity of the organism (Biocontrol).	Manivasagam S, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
92)	Oscillatoria sancta, Phormidium ambiguum	Uppanar estuary.	Culture (on ASN III and BG 11 media)	Biodegradation of organophosphorus compounds.	Pannerselvam K, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
93)	Oscillatoria spp	Shakeel tannery at Ambur, Kalyani tannery at Madavaram and Common effluent treatment plant, Chromepet	Liquid culture (on BG11 medium)	Ability of the algae in bioremediation of tannery effluent.	Roop chandar S V, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
94)	Oscillatoria spp., Lyngbya spp., and Phormidium spp	Pichavaram, Porto novo and Mudasalodai	Culture (on marine nutrient medium, Rippka et al., 1979)	Biofertilizers and animal feed.	Sakthivel K, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
95)	Padina boergesenii	Uppanar estuary	Direct collection	Liquid fertilizer for plant growth.	Nedumaran T, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
96)	Pantoea, Enterobactor, Brevundimonas, Agrobacterium	Papaya shoot	MS media	Papaya is an important fruit crop in the tropics and subtropics which is generally propagated through seeds.	Canadian journal of microbiology Volume:53 Issue:3 Year:2007 Page:372.
97)	Pantoea, Microbacterium, Frigoribacterium, Sphingomonas, Lecanicillium aphnocladii	plant	Tryptic soy agar medium	This study is important for the understanding of plant microbe's ecological role and for biotechnological applications.	Canadian journal of microbiology Volume:53 Issue:6 Year:2007 Page:802.
98)	Pellicularia Koleroga	Coffee plants (infected plant materials were collected in and around Mysore)	Culture (not form infected field material, but by coffee leaf extracts or water agar)	Causal agent of black rot of coffee.	K.T. Mathew, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
99)	Phaeophytes (Algae)	All over the Indian coast	The cultures were stored as herbarium	Phaeophytes are extensively used as sea-weeds.	Rengasamy R, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
100)	Phosphate solubilizing bacteria especially Bacillus spp., Pseudomonas sp., Vibrio sp., Aeromonas sp., Flavobacterium, Achromobacter, Enterobacter, Arthrobacter and Micrococcus	Manoli and Hare islands, Gulf of Mannar coast	Culture (on heterotrophic plate count agar medium (serial dilution) and Nutrient agar (purification)	Production of phosphatase enyme and involvement of the organisms in phosphorus cycle.	Kannapiran E, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
101)	Pleurotus ostreatus and Pleurotus sajor caju	Collected from mushroom research center, Tamil Nadu agricultural University, Coimbatore	Culture on potato dextrose agar	Bioremediation of textile dye effluent and dye contaminated soils.	Murugesan K, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
102)	Pseudomonas aeruginosa	Paddy field soil	Culture (on King's B medium)	Versatile role in fungicide degradation.	Ravichandran N, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
103)	Pseudomonas aeruginosa	Collected from tannery effluent at common effluent treatment plant (CEPT) Pallavaram, Chennai	Culture on MSM with azo dyes	Biodegradation of azo dyes.	Jaganathan C, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
104)	Pseudomonas aeruginosa	Pitchavaram mangrove and uppanar estuary	Culture (Cetrimide agar)	Heavy metal tolerance and antibiotic against antagonistic organism.	Seena raghunathan, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
105)	Pseudomonas chlororaphis	By serial dilution and plating on king's B medium	Serial dilution and plating on king's B medium	Novel biocontrol agent against various phytopathogens.	Kamalanalini S P , CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
106)	Pseudomonas flourescens	Rhizosphere soils from various rice fields in South India	By serially diluting the sample and plated on king's B agar	Potential biocontrol agent against Pyricularia grisea.	Valasubramanian R, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
107)	Pseudomonas fluorescens	From petroleum polluted soil collected in Chennai	Culture (on King's B medium)	Role of organism in biodegradation of hthalates and aliphatic hydrocarbons.	Karpagam S, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
108)	Pseudomonas fluorescens	Vellar estuary	Culture on phosphate solubilizing medium	Production of phosphatase enzyme.	Venkateswaran K, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
109)	Pseudomonas fluorescens and Pseudomonas putida	Soil rhizosphere (own lab culture)	Culture (on King's B medium)	Biological control.	Ganesan P, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
110)	Pseudomonas putida	Rice field soil samples collected from Tiruvallur	Culture (on basal medium with 1mM edifenphos)	Role of organisms in organophosphorus degradation.	Lakshmi rani, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
111)	Pseudomonas solanacearum	Isolated from infected rhizomes of banana	Culture (on king's B and tetrazolium chloride medium)	Involvement of organism in the biodegradation of aromatic hydrocarbon substrates.	Arunakumari A, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
112)	Pseudomonas solanacerarum	Infected " Robusta " banana plants, Nerkundram near Madras	Culture (on king's B medium)	Causal agent of bacterial wilt f Banana.	Govindarajan G, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
113)	Pseudomonas sp	Isolated from coastal waters of Bay of Bengal	Culture (on Zobell's 2216E marine agar)	Role of microorganism in heavy metal tolerance , there by leading to bioremediation.	Baby Rajini Rani D, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India
114)	Pseudomonas sp	Effluent samples collected from textile dyeing unit, Karur, Tamil Nadu.	By serially diluting the sample and plating on mineral salts medium with trinitrophenol	Role of the organism in biodegradation of nitroaromatic compounds.	Sudakar Gandhi P S, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
115)	Pseudomonas spp	Own lab culture (CAS in Botany, University of Madras)	Culture (on king's B medium and Luria bertani medium)	Efficiency in biological control against blast and blight pathogens.	Krishnamurthy K, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
116)	Pseudomonas, Vibrio, Aeromonas Flavobacterium, Bacillus, Micrococcus, Corynebacterium	Water and sediment samples of Vellar estuary	Culture (Zobell's 2216 marine agar medium)	Biodegradation of pesticides.	Rajam C, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
117)	Pyricularia grisea	Blast infected samples from Finger millet fields located in various states of South India	Culture (on potato dextrose agar and oat meal agar)	Causal agent of Finger millet blast.	Viji G, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu, India.
118)	Pyricularia oryzae	Government Mycologist Coimbatorey	Culture by Basal medium	Causal agent of Blast disease in rice.	A.Appa Rao, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
119)	Pyricularia oryzae	Gifted cultures from IRRI, Philippines and Agricultural research institute, Coimbatore. One strain was isolated from UBL, Guindy	Culture (on PDA)	Causal agent of blast disease in rice.	K. Mularidharan, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
120)	Pyricularia oryzae	Collected from diseased rice leaves, Maduravoyal field Laboratory, University of Madras	Culture (on PDA)	Causal agent of blast disease in rice.	D. Balasubramania reddy, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
121)	Pyricularia oryzae	Rice varieties were obtained from Regional research station, Nellore and the seedlings were developed in UBL, Guindy	Culture (on oat-meal agar)	Causal agent of blast disease in rice.	V. Ramaswamy, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
122)	Pyricularia spp	Isolated from infected rhizomes of Banana	Culture (on oat meal agar and potato dextrose gar)	Involvement of the organism in biodegradation of aromatic hydrocarbon substrates.	Padma T R, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
123)	Rhizobium sp	Own lab culture, UBL, Guindy	Culture (on yeast extract mannitol agar for growth and Manhort and wong's medium for experimental studies)	Role of the organism in nitrate reduction.	Chitta sri ram, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
124)	Rhizobium sp	From nodules of Lablab purpureus grown in Maduravoyal	Culture (on yeast extract mannitol agar)	Role of microorganisms in degradation of catechol was studied.	Gajendiran N, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
125)	Rhizobium sp	Own lab culture, UBL, GuindyOwn lab culture, UBL, Guindy.	Culture (Yeast extract mannitol agar)	Associative diazotroph, which helps in nitrogen fixation.	Ponnuraj R, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
126)	Rhizobium sp	Collected from roots of leguminous plants from various parts of South India	Culture (Yeast extract mannitol agar medium)	Beneficial microorganism in terms of nitrogen fixation.	R. Kasthuribai, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
127)	Rhizobium sp	Own lab culture	Culture (Yeast extract mannitol agar)	Beneficial organism involved in nitrogen cycle in the environment.	K. Santhaguru, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
128)	Rhizobium spp	Nodules of plants that belongs to genus, Arachis	From crushed nodules and subsequent culturing on YEMA medium From crushed nodules and subsequent culturing on YEMA medium	Vital role in nitrogen fixation in plants.	N. Rajagopalaiyer, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
129)	Rhizoctonia solani	Infected rice sheaths from Tamil Nadu and Andhra Pradesh.	Culture (on potato dextrose agar)	Causal agent of blight disease in rice.	Thara K V, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
130)	Rhizoctonia solani	Own lab culture (UBL, Guindy)	Culture (on potato dextrose agar)	Causal agent of sheath blight disease in rice.	Baby U I, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
131)	Rhizoctonia solani	Gifted culture from Orissa, Andhra Pradesh, Tamil Nadu and Karnataka	Culture (on potato dextrose agar)	Causal agent of blight disease in rice.	Ramalingam P, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
132)	Rhizoctonia solani	1. UBL, Guindy 2. Central rice research institute, Cuttack 3. All India coordinated rice improvement project, Hyderabad 4. Paddy experiment station, Thirurkuppam, T.N 5. University of agricultural sciences, Karnataka	Culture (on Czapek-dox liquid broth)	Causal agent of blight disease in rice.	Mohammed Zuber, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
133)	Rhizoctonia spp	Cultivated soils of south India	By culture	Causal agent of wilt in cotton.	E. John chinnayya, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
134)	Rhizosphere fungi	Rhizosphere soil from Mahabalipuram, palladam and UBL, Guindy.	Culture	Rhizosphere mycoflora of crop plants was explored.	K. Natarajan, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
135)	Rhizosphere microflora	Pigeon pea plant grown in UBL, Guindy	Culture	The relationship between the plant and microbe is very well studied with respect to the rhizosphere soil.	N. Sethunathan, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
136)	Sargassum wightii and Ulva lactuca	Coast of Mandapam, Gulf of Mannar, Tamil Nadu	Direct collectionDirect collection	Utilization as bio fertilizers.	Sridhar S, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
137)	Sargassum wightii, Ulva lactuca	Collected from Mandapam coast (Gulf of mannar)	Direct collection	Use as biofertilizers.	Thangaraju N, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
138)	Sarocladium oryzae	In and around districts of Tamil Nadu, Parts of Andhra Pradesh and Pondicherry)	Culture (on potato dextrose agar)	Causal agent of sheath rot disease in rice.	Vasantha devi T, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
139)	Sarocladium oryzae	From infected rice leaves from Tamil Nadu, Kerala and Andhra Pradesh	Culture (on potato dextrose agar)	Causal agent of sheath rot disease o rice.	Joe Y, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
140)	Sarocladium oryzae, Pseudomonas flourescens	Infected rice leaves from all over Tamil Nadu, Rice rhizosphere soil	Culture (on Czapek dox agar),culture on King's B medium	Plant pathogen,Biological control agent.	Sakthivel N, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
141)	Sclerotium spp	Sclerotium rolfsii - IARI, New Delhi S.oryzae - from UBL, Guindy	Culture (Basal medium - czapeks)	Causal agent of sclerotial disease in crop plants.	R.Narasimhan, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
142)	Serratia marcescens	Samples from lignin rich environments were collected	Culture (Dye's medium)	Role of the organism in Lignin degradationRole of the organism in Lignin degradation.	Mohanraj M, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
143)	Soil fungi	Sennirkkuppam, near maduravoyal, chennai	Culture (by soil plate method, dilution plate method, root washing method and baiting technique)	The exploration of fungal flora present in the soil eco-system, that too rice-field soil eco-system is very well accomplished.	B.M.Sundram, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
144)	Soil fungi and rhizosphere bacteria	Rhizosphere microflora of pigeon-pea grown in botany loboratory, Madras university.	Culture	Involvement of organism in plant growth.	V.Agnihothrudu, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
145)	Soil microflora	Arachis soil from UBL, Guindy	Culture ( varying media for N2 fixes, CMC degrades, e.t.c)	The microflora of soil with respect to Arachis soil was explored.	V.Sitalakshmi, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
146)	Solanum trilobactum	The aerial parts and roots of solanum plants	Methyl jasmonate amended liquid medium	The anti cancer activity of Solasodine has been well established	Elamvaluthi, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
147)	Staphylococcus aureus	Pet animals	MRSA strain.	This study provides knowledge about the route of community infections through domestic animals.	Canadian journal of microbiology Volume:53 Issue:7 Year:2007 Page:925.
148)	Streptomyces	Potato	YME agar	This study was undertaken to investigate the variety of Streptomyces strains or species found in common scab lesions on potatoes grown in maine and Minnesota.	Canadian journal of microbiology Volume:53 Issue: Year:Sep 2007. Page:1062.
149)	Streptomyces sp	Various fields located in South India	Serial dilution and culturing on starch-casein agar	Efficient antagonist against phytopathogens.	Prabavathy V R, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
150)	Trichoderma spp	Own lab culture (CAS in Botany, University of Madras)	Culture (potato dextrose agar)	Role of the organism in biocontrol agent.	Balasubramanian N, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
151)	Trichoderma spp	in and around Madras	Culture (on Trichoderma selective medium, Elad and Chet)	Potent biocontrol agent against various plant pathogens.	Mrinalini C, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
152)	Trichothecium roseum	Own lab culture (isolated from infected apple)	Culture (on potato dextrose yeast extract agar medium)	Role of the organism in biocontrol of phytopathogens.	Srikalaivani P, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
153)	Vibrio cholerae, V.paraheamolyticus	Chunnambar and Virampatnam coasts.	Culture on Zobell's 2216 agar	Water borne pathogens.	Velammal A, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
154)	Vibrio fischeri, Vibrio harveyi and Photobacterium legionathi	Vellar estuary	Culture (soft sea water complex agar (SWC agar))	Role of organisms in bioluminescence.	Ramesh A, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
155)	Vibrio paraheamolyticus	Vellar estuary.	Culture (on double strength sea water yeast extract agar and TCBS medium)	Human pathogen.	Balakrish nair GN, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
156)	Vibrio paraheamolyticus	Pitchavaram mangrove- kille backwater complex.	Culture (sea water yeast extract broth and Thiosulphate citrate bile salts sucrose agar)	Human pathogen.	Martin abraham, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
157)	Vibrio spp	Sediment samples collected from 10 stations near Porto novo.	Culture (by serial dilution and plating with Macconkey's agar)	Production of L-asparaginase, having anti tumor properties.	Selvakumar N, CAS in Marine Biology, Annamalai University, Porto novo, TamilNadu, India.
158)	weistielloepsis iyengarii, Mastigocladus laminosus	Algal culture collection centre, CAS in botany, Madras, Culture collection centre for alga and protozoa, Cambridge.	Culture (on nitrogen free medium)	Role of the organisms in Nitrogen fixation and active Partnership in nitrogen cycle.	Rajalakshmi N, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
159)	Xanthomonas campestris	Own lab culture	Culture ( Peptone sucrose agar medium)	Phytopathogen	Ulaganathan K, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
160)	Xanthomonas oryzae	Infected rice plants from all over the country.	Medium ( Peptone sucrose agar)	Phytopathogen.	C.V.Angadi, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.
161)	Xanthomonas oryzae pv. oryzae	Infected rice leaves all over the country.	Culture (peptone sucrose agar)	Potent rice pathogen (bacterial blight disease).	Bharathkumar S, CAS in Botany, University of Madras Guindy campus Chennai, TamilNadu India.