KINETICS OF PHENOLOXIDASE ACTIVITY IN SILKWORM BOMBYX MORI L. INFECTED WITH BEAUVERIA BASSIANA (BALS) VUILL.

Publication Date : 15/02/2016


Author(s) :

Dr. D. Thirupathamma , Prof. G. Savithri.


Volume/Issue :
Volume 2
,
Issue 3
(02 - 2016)



Abstract :

Highly significant elevation of phenoloxidase enzyme activity was recorded in the integument and reduction of phenoloxidase activity was observed in the midgut and silkgland of Beauveria bassiana inoculated silkworms. The elevation of the enzyme activity in the integument of inoculated silkworm could be attributed to initiation of melanization as a defense response during the course of invasion of fungal pathogen. Decreased phenoloxidase enzyme activity in the midgut and silkgland of the experimental animal might be due to immune-suppressive effect of fungal proteins or toxic metabolites and it may also be due to starvation induced by the fungal pathogen.


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