Screening and Isolation of Polyhydroxyalkanoate Producing Bacteria from Oil-Contaminated Soil in Songkhla Province

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สิริมาภรณ์ วัชรกุล
สโรชา จันทรพรม
รัตติญา จะนะจินา
กมลธรรม อ่ำสกุล

Abstract

The aim of this research is isolation and screening of polyhydroxyalkanoate-producing bacteria from soil contaminated with oil in Songkhla province. The isolation process using the sensitive, viable-colony staining method. It was found 120 isolates of PHAs-producing bacteria which were able to classify into 10 different morphological isolates. Seven of them are Gram positive bacteria and the other three are Gram negative bacteria. The growth of bacteria in wasted-oil from spring roll cooking process as a carbon source was determined via cell dry weight. Three isolates of bacteria showed high amount of cell dry weight, isolate SR11, SR12 and SR22 which isolate SR22 represented the highest value of cell dry weight 10.40gif.latex?\pm0.23 g/L. In addition, all isolates showed PHAs granules producing which was confirm by Sudan Black B staining. Biochemical test of selected bacteria was performed and the results revealed that isolate SR10 belong to Genus Bacillus spp. while, isolate SR12 and SR22 similar to Genus Pseudomas spp.

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How to Cite
วัชรกุล ส., จันทรพรม ส., จะนะจินา ร. ., & อ่ำสกุล ก. . (2019). Screening and Isolation of Polyhydroxyalkanoate Producing Bacteria from Oil-Contaminated Soil in Songkhla Province. Journal of Science and Technology Buriram Rajabhat University (Online), 3(1), 91–104. retrieved from https://ph02.tci-thaijo.org/index.php/scibru/article/view/242623
Section
Research Articles

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