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Pakistan Journal of Biological Sciences
Year: 2001  |  Volume: 4  |  Issue: 11  |  Page No.: 1384 - 1385

Phosphatidylcholine Synthesis as Affected by Heat Stress Applied to the Cotton Seedling Roots

Saghir Ahmed Sheikh, Muhammad Ibrahim Keerio, Riasat Ali Kubar and Noor-u-Nisa Memon    

Abstract: The experiment was carried out to study the effect of temperature on (Me-14C) choline uptake in cotton roots and its incorporation into phosphatidylcholine. The results suggest that (Me-14C) uptake and incorporation increased with increased germination time. Temperature above 35C had significant effect on (Me-14C) choline uptake and incorporation. Thus, as the temperature increased above 35C, the rate of synthesis of phosphatidylcholine decreased. At 50C, however, more than 80% of the phosphatidylcholine synthesis was inhibited.

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