alexa Abstract | Heterotrophic bacterial and fungal diversity in the inner shelf sediments of central west coast of India

Advances in Applied Science Research
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Research Article Open Access


Vertical and horizontal distribution of culturable heterotrophic bacteria and fungi in the inner shelf sediments of central west coast of India (Arabian Sea) were examined. Physico-chemical parameters of the sediment and its influence on microbial diversity and abundance were evaluated. Microbial abundance displayed a significant positive correlation with sediment texture and organic matter. Bacterial population in the inner shelf regions increased towards northern transects and showed a decreasing pattern as core depth increased. A total of 221 bacterial cultures were isolated, out of which 63% gram negative and 37% were gram positive. Alteromonas (29%) was found to be the dominant genus in the sediment core samples followed by Micrococcus (18%) and Bacillus (10%). Other identified groups include Psychrobacter (10%), Moraxella (6%), Acinetobacter (5%), Flexibacter (5%), Corynebacterium (5%), Pseudomonas (3%), Alcaligenes (2%), Staphylococcus (2%), Enterobacteriaceae (1%) and Vibrio (1%). Out of the 47 fungal isolates, 34% were belonging to genus Aspergillus and 25% to Scopulariopsis

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Author(s): Dafini Mendez Ramya K D Jimly C Jacob Rosamma Philip


Arabian Sea, Inner shelf sediments, Heterotrophic bacteria, Fungi, Organic matter, Inner shelf sediments

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