Tạp chí Đại học Thủ Dầu Một, S. 31 (2016)

Cỡ chữ:  Nhỏ  Vừa  Lớn

Isolation and identification of chlorpyrifos-degrading bacteria from rice-upland crop soil in the Mekong delta

Truong Quoc Tat, Duong Minh Vien

Tóm tắt

The aim of this study is to isolate the bacterial strains which degrade Chlorpyrifos from rice-upland crop soils in the Mekong Delta. Twelve soil samples were taken at Cai Lay - Tien Giang, Cho Moi - An Giang and Binh Tan-Vinh Long. Soil bacteria were enriched in mineral salt medium solution containing 20 mg/L of Chlorpyrifos as the only carbon source for bacterial growth. The results showed that one bacterial community was enriched and degraded Chlorpyrifos. One bacterial strain (coded as BT_C8.9) that was isolated from  this community degraded 41.07 % of Chlorpyrifos after 30 culture days. According to the sequencing of 16S rRNA gene, this bacterial strains was identified as Microbacterium sp. C8.9

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Tạp chí Đại học Thủ Dầu Một, ISSN: 1859-4433