Journal
MOLECULES
Volume 16, Issue 3, Pages 2431-2442Publisher
MDPI
DOI: 10.3390/molecules16032431
Keywords
Virgibacillus sp.; bioflocculant; flocculating activity; polysaccharide
Funding
- National Research Foundation (NRF) of the Republic of South Africa
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A bioflocculant-producing marine bacterium previously isolated from marine sediment of Algoa Bay was screened for flocculant production. Comparative analysis of 16S rDNA sequence identified the isolate to have 99% similarity to Virgibacillus sp. XQ-1 and it was deposited in the GenBank as Virgibacillus sp. Rob with accession number HQ537127. The bacterium produced biflocculants optimally in glucose (70.4%) and peptone (70.4%) as sole sources of carbon and nitrogen, alkaline pH (12) (74%); and the presence of Fe2+ (74%). Chemical analysis of the bioflocculant revealed it to be a polysaccharide.
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