Distribution of heterotrophic bacterioplankton in the Indian sector of Southern Ocean

Study was carried out on the distribution of bacterioplankton in the Indian sector of Southern Ocean. Total Heterotrophic Bacterial (THB) counts were maximum (107x104/CFU/ml) in water samples collected from 200 m depth and lowest (15.1x103/CFU/ml) at 3730 m. Of the 250 strains isolated from the wate...

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Bibliographic Details
Main Authors: Bineesh, K K, Sanjeevan, V N, Abdul Jaleel, K U, Philip, Rosamma
Format: Article in Journal/Newspaper
Language:English
Published: Marine Biological Association of India 2011
Subjects:
Zooplanktons
Indian
Southern Ocean
Online Access:http://eprints.cmfri.org.in/8842/
http://eprints.cmfri.org.in/8842/1/11_-_1670_-_K_K_Bineesh_11.pdf
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Summary:Study was carried out on the distribution of bacterioplankton in the Indian sector of Southern Ocean. Total Heterotrophic Bacterial (THB) counts were maximum (107x104/CFU/ml) in water samples collected from 200 m depth and lowest (15.1x103/CFU/ml) at 3730 m. Of the 250 strains isolated from the water samples, 9.2% were gram positive and 4.8% gram negative. The important genera encountered were Pseudomonas, Aeromonas, Vibrio, Acinetobacter, Micrococcus, Staphylococcus, Corynebacterium, Flavobacterium, Chromobacterium, Moraxella, Bacillus and Planococcus. Most of the isolates (94%) were capable of lipase production followed by gelatinase (40%) and amylase (32%).

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