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۱Biodegradation of Alachlor and Endosulfan Using Environmental Bacterial Strains
نویسنده(ها):
اطلاعات انتشار: World Applied Sciences Journal، سي و دوم،شماره۴، ۲۰۱۴، سال
تعداد صفحات: ۸
Soil samples as well as water samples from Ochlocknee River at Florida, were collected and analyzed to check their contamination with pesticides. Two different enrichments from both types of samples were tested on batch experiment to biodegrade alachlor and endosulfan in vitro. The biodegradation capabilities of both enrichments were followed up by HPLC. The bacterial consortium of water enrichment could be remove 80% of alachlor and 94% of endosulfan (of initial concentration 100 mgL 1) while the bacterial consortium of soil enrichment couldn’t remove any of endosulfan but 34% of alachlor. The 16S rRNA sequence analysis identified the eleven bacterial isolates shared in the biodegradation process as; Ancylobacter sp. S15, Agrobacterium sp. BD–32, Burkholderia sp. 2385, Agrobacterium sp. CZBSA1, Psuedomonas sp. W15Feb9B, Agrobacterium sp. CZBSA1, Agrobacterium sp. 2367, Beta Proteobacterium PII_ GH1.2. 8, Agrobacterium sp. CZBSA1, Micobacterium olievorans (strain DSR8) and Agrobacterium sp. NB–2A. The best biodegrading bacteria for alachlor and endosulfan were Burkholderia, Psuedomonas and Beta Proteobacterium.
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