THE EFFECT OF STARVATION FACTOR ON THE SURVIVAL CHARACTERISTICS OF FLEXIBACTER CHINENSIS*

Document Type : Research Note

Authors

1 National Institute for Genetic Engineering and Biotechnology (NIGEB), P. O. BOX: 14155-6343 Tehran, I. R. of Iran

2 Department of Biological Sciences, University of Warwick, Coventry CV4 7AL, UK

Abstract

To survive in natural waters, bacteria must respond to a variety of environmental variables such as
starvation. Flexibacter chinensis was grown and multiplied in the starvation medium and its viable count, total
count and cell size were investigated under different temperatures. Also, the effects of different nutrient
sources were investigated. The survival of the organism under starvation conditions was temperature
dependent with the longest survival occurring at 4°C and the shortest at above 30°C. Amendments of
starvation medium with glucose or urea (as carbon and nitrogen source respectively) delayed the reduction in
cell size and increased the survival time of F. chinensis at a number of different temperatures

Keywords

Iranian Journal of Science
Volume 31, Issue 1 - Serial Number 1
January and February 2007
Pages 117-121

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