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Vol 29 (2017)
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Early bacterial biofilm colonisers in the coastal waters of Mauritius | Rampadarath | Electronic Journal of Biotechnology
doi:10.1016/j.ejbt.2017.06.006
Electronic Journal of Biotechnology, Vol 29 (2017)

Early bacterial biofilm colonisers in the coastal waters of Mauritius

Sillma Rampadarath, Kushlata Bandhoa, Daneshwar Puchooa, Rajesh Jeewon, Subhasisa Bal



Abstract

Background: The past years have witnessed a growing number of researches in biofilm forming communities due to their environmental and maritime industrial implications. To gain a better understanding of the early bacterial biofilm community, microfiber nets were used as artificial substrates and incubated for a period of 24 h in Mauritian coastal waters. Next-generation sequencing technologies were employed as a tool for identification of early bacterial communities. Different genes associated with quorum sensing and cell motility were further investigated.

Results: Proteobacteria were identified as the predominant bacterial microorganisms in the biofilm within the 24 h incubation, of which members affiliated to Gammaproteobacteria, Alphaproteobacteria and Betaproteobacteria were among the most abundant classes. The biofilm community patterns were also driven by phyla such as Firmicutes, Bacteroidetes, Chloroflexi, Actinobacteria and Verrucomicrobia. The functional analysis based on KEGG classification indicated high activities in carbohydrate, lipid and amino acids metabolism. Different genes encoding for luxI, lasI, agrC, flhA, cheA and cheB showed the involvement of microbial members in quorum sensing and cell motility.

Conclusion: This study provides both an insight on the early bacterial biofilm forming community and the genes involved in quorum sensing and bacterial cell motility.






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ISSN:  0717-3458

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