NDLI: Survival and physiological responses of Vibrio parahaemolyticus to starvation in warm seawater

Content Provider	IEEE Xplore Digital Library
Author	Qing-pi Yan Ying-xue Qin
Copyright Year	2010
Description	Author affiliation: Fisheries College, Jimei University, Xiamen, China (Qing-pi Yan; Ying-xue Qin)
Abstract	Log-phase cells of pathogenic Vibrio parahaemolyticus were incubated in warm seawater for starvation studies. The results showed that: the number of total bacteria, viable bacteria and culturable bacteria of V. parahaemolyticus all increased remarkably at the initial starvation stage; after reaching theirs peak at 15 d, both total bacterial number and viable bacterial number of V. parahaemolyticus fell slowly, while the CFU number fell more quickly after reaching its peak at 10 d; starved cells shrunk their volumes and turned their shapes into ovals from short rods; starved cells showed more sensitivity to heat and UV; there was no significant difference in the lowest detection limit between starved cells and log-phase ones determined by ELISA; starved cells exhibited a sharply decline in the adherence to skin mucus of large yellow croaker and no specific adhesion was found after starved for 7 d and more; starved cells were less virulent to mouse; the cellular protein of V. parahaemolyticus decreased remarkably at the initial stage of starvation and increased a little at the latter stage. The results indicated that: pathogenic V. parahaemolyticus might survive starvation for a long time in the warm seawater profit from the morphological and physiological changes; the starved cells were less virulent and more sensitive to environmental stresses.
Starting Page	296
Ending Page	300
File Size	370600
Page Count	5
File Format	PDF
ISBN	9781424467754
e-ISBN	9781424467754
DOI	10.1109/ICBBT.2010.5478957
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pathogens Temperature Starvation Shape Physiological response Surface morphology Vibrio parahaemolyticus Educational institutions Capacitive sensors Survival Proteins Microorganisms Adhesives Aquaculture
Content Type	Text
Resource Type	Article

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