期刊
MARINE DRUGS
卷 9, 期 7, 页码 1232-1242出版社
MDPI
DOI: 10.3390/md9071232
关键词
marine; Algoa bay; Bacillus sp Gilbert; bioflocculant; polysaccharide
资金
- National Research Foundation of South Africa
The bioflocculant-producing potentials of a marine bacteria isolated from the bottom sediment of Algoa Bay was investigated using standard methods. The 16S rDNA sequence analysis revealed 98% similarity to that of Bacillus sp. HXG-C1 and the nucleotide sequence was deposited in GenBank as Bacillus sp. Gilbert with accession number HQ537128. Bioflocculant was optimally produced when sucrose (72% flocculating activity) and ammonium chloride (91% flocculating activity) were used as sole sources of carbon and nitrogen, respectively; an initial pH 6.2 of the production medium; and Mg2+ as cation. Chemical analysis of the purified bioflocculant revealed the compound to be a polysaccharide.
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