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2011 (Vol. 3, Issue: 6)
Article Information:

Population Dynamics of Vibrios in Biotic Biofilm in the Aquatic Environment of Bangladesh

M. Mahmud Hasan, M. Sirajul Islam and Iqbal Kabir Jahid
Corresponding Author:  Iqbal Kabir Jahid 

Key words:  Algae, biofilm, chitin, physicochemical parameters, vibrio, ,
Vol. 3 , (6): 570-577
Submitted Accepted Published
2011 July, 28 2011 September, 08 2011 November, 15

The Vibrio sp. forming biofilm on biotic surface especially chitin and algae was investigated using artificial chitin and Anabaena variabilis from pure culture of laboratory and glued to plexiglass disc. The presence of culturable Vibrio spp. were investigated using cultural technique for TCBS agar medium after homogenization and physicochemical parameters were measured by standard techniques. The Pearson correlation coefficient applied by SPSS software. The results indicated that out of 13 sampling period, only V. cholerae O1 was isolated 7.7% sample while 30.8% samples were positive for V. cholerae non-O1, V. proteolyticus and V. mimicus from canal site. From pond ecosystem, all the chitin samples were negative for V. cholerae O1 but 15.4% were positive for V. cholerae non-O1 and V. proteolyticus and 30.8% samples were positive for V. mimicus. The biofilm formation is significantly correlated with the pH, DO and CO2 concentration present of the corresponding water. This study indicates that biotic surface like chitin and algae could function to form biofilm and the water physicochemical parameters have the relationship with the Vibrio community present in the samples.
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  Cite this Reference:
M. Mahmud Hasan, M. Sirajul Islam and Iqbal Kabir Jahid, 2011. Population Dynamics of Vibrios in Biotic Biofilm in the Aquatic Environment of Bangladesh.  Current Research Journal of Biological Sciences, 3(6): 570-577.
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ISSN (Online):  2041-0778
ISSN (Print):   2041-076X
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