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Salinity-induced survival strategy of Vibrio cholerae associated with copepods in Cochin backwaters

DRS at CSIR-National Institute of Oceanography

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Title Salinity-induced survival strategy of Vibrio cholerae associated with copepods in Cochin backwaters
 
Creator Thomas, K.U.
Joseph, N.
Raveendran, O.
Nair, S.
 
Subject microorganisms
water
sediments
salinity
PCR
Vibrio cholerae
 
Description The occurrence of Vibrio cholerae in water, sediment and copepods was studied over a wide range of salinity using conventional and polymerase chain reaction (PCR) techniques in the Cochin backwaters. V. cholerae occurred either as culturable or non-culturable form in this tropical estuary. During the pre monsoon period when high salinity prevailed (35.5 psu) V. cholerae was associated with copepods only in non-culturable form, but with the onset of monsoon when lower salinity prevailed, copepod-associated-V. cholerae reverted back to culturable form. The optimum salinity range for culturability was found to be 15-20 psu. This points to the fact that salinity is a major factor that which influences V. cholerae's culturability and its association with copepods in Cochin backwaters.
 
Date 2008-02-12T04:35:02Z
2008-02-12T04:35:02Z
2006
 
Type Journal Article
 
Identifier Marine pollution bulletin, Vol.52; 1425-1430p.
http://drs.nio.org/drs/handle/2264/813
 
Language en
 
Rights Copyright [2006]. It is tried to respect the rights of the copyright holders to the best of the knowledge. If it is brought to our notice by copyright holder that the rights are voilated then the item would be withdrawn.
 
Publisher Elsevier