NDLI: Bioprospecting from cultivable bacterial communities of marine sediment and invertebrates from the underexplored Ubatuba region of Brazil

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Bioprospecting from cultivable bacterial communities of marine sediment and invertebrates from the underexplored Ubatuba region of Brazil

Content Provider	Springer Nature Link
Author	Tangerina, Marcelo M. P. Correa, Hebelin Haltli, Brad Vilegas, Wagner Kerr, Russell G.
Copyright Year	2016
Abstract	Shrimp fisheries along the Brazilian coast have significant environmental impact due to high by-catch rates (21 kg per kilogram of shrimp). Typically discarded, by-catch contains many invertebrates that may host a great variety of bacterial genera, some of which may produce bioactive natural products with biotechnological applications. Therefore, to utilize by-catch that is usually discarded we explored the biotechnological potential of culturable bacteria of two abundant by-catch invertebrate species, the snail Olivancillaria urceus and the sea star Luidia senegalensis. Sediment from the collection area was also investigated. Utilizing multiple isolation approaches, 134 isolates were obtained from the invertebrates and sediment. Small-subunit rRNA (16S) gene sequencing revealed that the isolates belonged to Proteobacteria, Firmicutes and Actinobacteria phyla and were distributed among 28 genera. Several genera known for their capacity to produce bioactive natural products (Micromonospora, Streptomyces, Serinicoccus and Verrucosispora) were retrieved from the invertebrate samples. To query the bacterial isolates for their ability to produce bioactive metabolites, all strains were fermented and fermentation extracts profiled by UP LC-HRMS and tested for antimicrobial activity. Four strains exhibited antimicrobial activity against methicillin-resistant Staphylococcus aureus (MRSA) and Staphylococcus warneri.
Starting Page	155
Ending Page	169
Page Count	15
File Format	PDF
ISSN	03028933
Journal	Archives of Microbiology
Volume Number	199
Issue Number	1
e-ISSN	1432072X
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-09-19
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Marine bacteria Antimicrobial 16S rDNA Bacterial community Luidia senegalensis Olivancillaria urceus Microbiology Microbial Ecology Biochemistry Cell Biology Biotechnology Ecology
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine Biochemistry Molecular Biology Microbiology

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