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Journal of the Indian Academy of Wood Science
9, No. 2, 2012; Pages: 160 - 164

Recruitment response of larvae of Teredo parksi Bartsch (Teredinidae: Myoida: Bivalvia) to individual marine bacterial films

Anish V. Pachu, M. V. Rao, M. Balaji

Wood Biodegradation Centre (Marine), Institute of Wood Science and Technology, Via Yoga Village, Beach Road, A. U. Post, Visakhapatnam, 530 003, India.


Recognition of wooden substratum is a critical event in the life history of teredinid larvae for easy settlement and growth. All materials including wood introduced in marine environment develop a primary film consisting of organic molecules, bacteria, diatoms, algae, fungi and organic/inorganic detritus. The role of this primary film in aiding larvae to recognize a suitable substratum was well studied in many fouling organisms. In the case of wood borers, especially teredinids, this aspect did not however receive necessary attention. Therefore, the significance of primary film in facilitating the recruitment of larvae of a teredinid wood borer, Teredo parksi Bartsch was studied and the results showed that larval response was more to Pseudoalteromonas sp. and Vibrio sp. films, moderate to Serratia sp. and Micrococcus sp. films and least to Actinobacillus sp., Aeromonas sp. and Halomonas sp. films.

Keywords: Recruitment response; Marine bacterial films; Teredinids; Larvae; Teredo parksi



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