Modulation of selected hemolymph factors in the Indian edible oyster Crassostrea madrasensis (Preston) upon challenge by Vibrio alginolyticus

Ittoop , Gijo and George, K C and George, Rani Mary and Sobhana, K S and Sanil, N K and Nisha, P C (2010) Modulation of selected hemolymph factors in the Indian edible oyster Crassostrea madrasensis (Preston) upon challenge by Vibrio alginolyticus. Indian Journal of Fisheries, 57 (2). pp. 55-60.

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Abstract

Juveniles of Crassostrea madrasensis (mean weight 85.5 ± 2.3 g) were exposed to live cells of Vibrio alginolyticus (1.2 x 106 cells g-1) by intramuscular injection. Hemolymph samples were collected at different time intervals to study the modulations in the cellular and humoral factors. There was an increase in total hemocyte count, percentage granulocytes, serum protein, serum acid phosphatase, serum phenol oxidase and serum lysozyme in response to bacterial challenge upto three to five days post-injection. A decrease in the ability of hemocytes to phagocytose yeast cells was also noted. The hemolymph parameters of the test group became similar to that of control animals within two weeks of exposure to live bacterial cells.

Item Type:Article
Uncontrolled Keywords:Crassostrea madrasensis; Hemolymph factors; Indian edible oysters; Vibrio alginolyticus
Subjects:Molluscan Fisheries > Edible oyster
Divisions:CMFRI-Cochin > Marine Capture > Molluscan Fisheries
ID Code:6474
Deposited By:Arun Surendran
Deposited On:18 Nov 2010 14:41
Last Modified:18 Nov 2010 14:41

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