Molecular characterization and bioactivity profile of the tropical sponge-associated bacterium Shewanella algae VCDB

Rachanamol, R S and Lipton, A P and Thankamani, V and Sarika, A R and Selvin, J (2014) Molecular characterization and bioactivity profile of the tropical sponge-associated bacterium Shewanella algae VCDB. Helgoland Marine Research, 68. pp. 263-269.

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    Abstract

    The pigmented, rod-shaped, Gram-negative, motile bacteria isolated from marine sponge Callyspongia diffusa exhibiting bioactivity was characterized as Shewanella algae (GenBank: KC623651). The 16S rRNA gene sequence-based phylogenetic analysis showed its similarity with the member of Shewanella and placed in a separate cluster with the recognized bacteria S. algae (PSB-05 FJ86678) with which it showed 99.0 % sequence similarity. Growth of the strain was optimum at temperature 30 C, pH 8.0 in the presence of 2.0–4.0 % of NaCl. High antibiotic activity against microbes such as Escherichia coli (MTCC 40), S. typhii (MTCC 98), P. vulgaris (MTCC 426), V. fluvialis, V. anguillarum, E. cloacae, and L. lactis was recorded. The growth of fungal pathogens such as Aspergillus niger, Aspergillus fumigatus, Saccharomyces cerevisiae, and Colletotrichum gloeosporioides was effectively controlled.

    Item Type: Article
    Uncontrolled Keywords: Sponge bacteria; Callyspongia diffusa ; Shewanella algae; Molecular characterization; Antimicrobial activity
    Subjects: Fish Biotechnology
    Algae
    Divisions: CMFRI-Vizhinjam
    Depositing User: Arun Surendran
    Date Deposited: 29 Jul 2014 04:54
    Last Modified: 09 Sep 2015 15:59
    URI: http://eprints.cmfri.org.in/id/eprint/10147

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