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Brevibacillus sp. KUMAs2, a bacterial isolate for possible bioremediation of arsenic in rhizosphere.

Abstract：

:Arsenic (As) contamination of soil and water has been considered as a major global environmental issue during last few decades. Among the various methods so far reported for reclamation of As contaminated rhizosphere soil, bioremediation using bacteria has been found to be most promising. An As resistant bacterial isolate Brevibacillus sp. KUMAs2 was obtained from As contaminated soil of Nadia, West Bengal, India, which could resist As(V) and As(III) a maximum of 265mM and 17mM, respectively. The strain could remove ~40 percent As under aerobic culture conditions. As resistant property in KUMAs2 was found to be plasmid-borne, which carried both As oxidizing and reducing genes. The strain could promote chilli plant growth under As contaminated soil environment by decreasing As accumulation in plant upon successful colonization in the rhizosphere, which suggests the possibility of using this isolate for successful bioremediation of As in the crop field.

journal_name

Ecotoxicol Environ Saf

journal_title

Ecotoxicology and environmental safety

authors

Mallick I,Hossain ST,Sinha S,Mukherjee SK

doi

10.1016/j.ecoenv.2014.06.007

subject

Has Abstract

pub_date

2014-09-01 00:00:00

pages

236-44

eissn

0147-6513

issn

1090-2414

pii

S0147-6513(14)00263-2

journal_volume

107

pub_type

杂志文章

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