Isolation of polyacrylamide-degrading microorganisms from soil

被引：49
|
作者：
Matsuoka H. [1 ]
Ishimura F. [1 ]
Takeda T. [1 ]
Hikuma M. [1 ]
机构：
[1] Department of Biosciences, Teikyo University of Science and Technology, Yamanashi 409-0193
来源：
Biotechnology and Bioprocess Engineering | 2002年 / 7卷 / 5期
关键词：
Biodegradation; Bioremediation; Microbial degradation; Polyacrylamide;
D O I：
10.1007/BF02932844
中图分类号：
学科分类号：
摘要：
Two polyacrylamide-degrading bacterial strains, No. 2 and No. 11, were isolated from soil, and identified as Bacillus sphaericus No. 2 and Acinetobacter sp. No. 11, respectively. Both strains grew on medium containing polyacrylamide as sole carbon and nitrogen sources. B. sphaericus No. 2 and A. sp. No. 11 reduced by 16% and 19% of the initial polyacrylamide concentration, respectively. Optimal pH and temperature in growth of Acinetobacter sp. No. 11 were 8.0 and 37° C, respectively. After 14-day cultivation of A. sp. No. 11, the average molecular weight of polyacrylamide has been shifted from 2.3 × 106 to 0.5 × 106.
引用
收藏
页码：327 / 330
页数：3
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