Short Communication

Drought-related protein synthesis in cotton

Published in: South African Journal of Plant and Soil
Volume 10 , issue 1 , 1993 , pages: 50–51

DOI: 10.1080/02571862.1993.10634643

Author(s): A. van der Mescht , Republic of South Africa , J.A. de Ronde , Republic of South Africa

Keywords: Cotton , drought-stress , electrophoresis , protein profiles , SDS-PAGE

Abstract

The changes in protein profiles of six cotton cultivars subjected to osmotic stress were examined. Osmotic stress was applied by incubating leaf segments in mannitol. The efficiency of protein synthesis decreased with increasing concentrations of mannitol. Drought-related protein synthesis during osmotic stress was found in the cultivars Lido, Delta Pine, Acala 1517–70 and OR3, while drought-related proteins were not observed in the cultivars Selati and Letaba. It would: appear that drought-related protein synthesis was cultivar specific.

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