J4 ›› 2011, Vol. 24 ›› Issue (2): 28-34.
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HUANG Yu-Jie, ZHANG Xin-Jian, REN Yan, LI Ji-Shun, ZHANG Guang-Zhi, YANG He-Tong
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Abstract:
We obtained a strain dj1-11 from carbendazimcontaminated soil, which had better carbendazim degradation function. It was identified as Rhodococcus erythropolis through physiological and biochemical identification and contrast analysis of 16S rDNA sequences. Experimental results show that trace nitrogen source adding can improve carbendazim degradation. Carbendazim can serve as its unique carbon source and degradation rate can reach 99.15% under the condition of incubation in mineral salt medium of 1000 μg/mL carbendazim , temperature 28℃ and 48h shake bed.It can effectively degrade carbendazim at the pH value of 4~9 and temperature 20~30℃ (optimal degradation temperature).
Key words: carbendazim, biodegradation, Rhodococcus erythropolis, degrading characteristics
CLC Number:
X172
HUANG Yu-Jie, ZHANG Xin-Jian, REN Yan, LI Ji-Shun, ZHANG Guang-Zhi, YANG He-Tong. Isolation and identification of a carbendazim-degrading strain and its degrading characteristics[J].J4, 2011, 24(2): 28-34.
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