TRANSFORMATION OF CARBON-TETRACHLORIDE BY PSEUDOMONAS SP STRAIN KC UNDER DENITRIFICATION CONDITIONS
TRANSFORMATION OF CARBON-TETRACHLORIDE BY PSEUDOMONAS SP STRAIN KC UNDER DENITRIFICATION CONDITIONS
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DOI：
10.1128/aem.56.11.3240-3246.1990
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发表时间：
1990-11-01
影响因子：
4.4
通讯作者：
MCCARTY, PL
中科院分区：
文献类型：
--
作者：
CRIDDLE, CS;DEWITT, JT;MCCARTY, PL
一株反硝化假单胞菌。从地下水含水层固体中分离到一株能转化四氯化碳(CT)的菌株KC。假单胞菌KC在反硝化条件下转化~(14)C-CT的主要产物是~(14)CO_2和一种未知的水溶性组分。很少或根本没有产生氯仿。在培养基中添加微量金属，特别是亚铁和钴，对假单胞菌KC菌株的生长有促进作用，而对CT的转化有抑制作用。推测该菌对CT的转化与其清除痕量金属的机制有关。
A denitrifying Pseudomonas sp. (strain KC) capable of transforming carbon tetrachloride (CT) was isolated from groundwater aquifer solids. Major products of the transformation of 14C-labeled CT by Pseudomonas strain KC under denitrification conditions were 14CO2 and an unidentified water-soluble fraction. Little or no chloroform was produced. Addition of dissolved trace metals, notably, ferrous iron and cobalt, to the growth medium appeared to enhance growth of Pseudomonas strain KC while inhibiting transformation of CT. It is hypothesized that transformation of CT by this organism is associated with the mechanism of trace-metal scavenging.