Biodiversity of Lipid Producing-Bacteria Isolated from Palm Oil Industry in the South of Thailand

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Atipan Saimmai
Kanokrat Saisa-ard


In this study, the phylogenetic diversity of lipid producing-bacteria isolated from samples collected from palm oil industry in the south of Thailand have been investigated. From 328 isolated bacteria, 56 strains were identified as potential lipid biomass producing-bacteria by using total lipids measurement. The amount of lipid yield and lipid content was ranging between 1.07-4.64 g/L and 13.30-48.59%, respectively. The identification of the selected bacterial strains was conducted by biochemical test and 16S rRNA gene sequence analysis. The study revealed that the selected bacterial strains were belonging to 20 different genera distributed among Actinobacteria, Bacteroidetes, Firmicutes and Proteobacteria division in Eubacteria and Archaea. Among the selection of isolated lipid-producing bacteria, 10 isolated bacteria were found to be prominent lipid-producers with Bacillus subtilis TN1 as the most potential isolate with lipid content 48.59% followed by Arthrobacter humicola TN2 (45.62%), Acinetobacter baylyi TP2 (40.78%), Bacillus subtilis TN5 (37.47%) and Streptomyces glebosus SN6 (35.78%).

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