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Isolation, identification and metal tolerance of halobacteial strains

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Title Isolation, identification and metal tolerance of halobacteial strains
 
Creator Williams, G. Prakash
Gnanadesigan, M.
Ravikumar, S.
 
Subject Halobacteria
Metals
Plasmid DNA
 
Description 402-408
Present study is to
identify the halo tolerant strains and their toxic metal tolerance. A total of
126 isolates were isolated from solar salt pan sediment sample. Among them 96
isolates were identified as metal resistance. MIC values suggested that, the
maximum concentration of Ni2+ (200 ppm), Al2+ (600 ppm),
Cd2+ (50 ppm), Zn2+ (400 ppm), Hg2+ (25 ppm)
and As3+ (200 ppm) inhibitory activity was identified 6 isolates.
Maximum percentage of metal tolerant was identified with Ni2+ (22%)
and minimum percentage of tolerant was identified with the Hg2+
(8%). None of the selected isolates were showed the presence of plasmids. It is concluded from the present findings
that, the halobacterial strains which isolated from the solar salt pan showed
wide range of metal tolerance.


 
Date 2013-07-12T09:52:58Z
2013-07-12T09:52:58Z
2013-06
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/19655
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.42(3) [June 2013]