European Journal of Experimental Biology Open Access
ISSN: 2248-9215
Journal h-index: 45
Journal CiteScore: 34.35
Average acceptance to publication time (5-7 days)
Average article processing time (30-45 days)
Less than 5 volumes 30 days
8 - 9 volumes 40 days
10 and more volumes 45 days
Reach us
+32 25889658
Abstract
Characterization of alterations in photosynthetic electron transport activities
in maize thylakoid membranes under zinc stress
Adam S. and Murthy S. D. S.
In this investigation an attempt has been made to study the effect of Zinc on primary reactions of photosynthesis. Photosystem II mediated electron transport activity exhibited 68% loss at 180 μM concentration. The PAM kinetic measurements revealed suppression of variable fluorescence in terms of relative distance from 5.4 to 2.7 Cm during the treatment. These measurements suggest that the targets of PSII are at water oxidation complex and Light harvesting complex as multiple sites of damage in Zinc toxicity. Another target site of zinc toxicity in photosystem II is evidenced from the loss of 33kDa protein band SDS-PAGE profiles of thylakoid membranes.
