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Inefficiency of Mycobacterium chlorophenolicum PCP-1 to enhance mineralization of pentachlorophenol in soil microcosms.

Abstract：

:We examined the mineralization of pentachlorophenol (PCP) in sterile and non-sterile soil with or without added bacteria (Mycobacterium chlorophenolicum PCP-1). The soil used had no history of PCP contamination. Microcosms (30 g dry weight of soil) were incubated with labelled PCP (6.76% 13C, a non-radioactive stable isotope, 22 mg kg-1 dry weight) for 60 days. M. chlorophenolicum PCP-1 (7.8 x 10(6) cells g-1 dry weight) was added to some samples. 50% of the PCP was mineralized in non-sterile soil with or without the exogenous bacteria. Only 5% of the PCP was mineralized in sterile soil with or without bacteria. These data suggest that the PCP was not accessible to M. chlorophenolicum and that the indigenous soil microflora can mineralize PCP.

journal_name

Chemosphere

journal_title

Chemosphere

authors

Combrisson J,Monrozier LJ

doi

10.1016/s0045-6535(98)00531-1

subject

Has Abstract

pub_date

1999-03-01 00:00:00

pages

1305-11

issue

6

eissn

0045-6535

issn

1879-1298

pii

S0045653598005311

journal_volume

38

pub_type

杂志文章

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