biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 55:591-595, 2011 | DOI: 10.1007/s10535-011-0132-5

Mannitol, polyethylene glycol and NaCl induced polypeptide changes during in vitro culture of three tomato cultivars

R. Roy1, V. Agrawal1, S. C. Gupta1,2,*
1 Department of Botany, University of Delhi, Delhi, India
2 Dr. B.R. Ambedkar Centre for Biomedical Research, University of Delhi, Delhi, India

Three cultivars of tomato Pusa Ruby, Arka Vikas and Pusa Early Dwarf were subjected to osmotic stresses induced by mannitol, polyethylene glycol and NaCl in vitro. Polypeptide patterns were analyzed during each stress treatment to differentiate between tolerant and sensitive cultivars. The stresses induced more stress proteins in cv. Pusa Ruby compared to other two cultivars indicating it to be relatively osmotic stress tolerant.

Keywords: Lycopersicon esculentum; osmotic stress

Received: January 5, 2010; Accepted: May 20, 2010; Published: September 1, 2011  Show citation

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Roy, R., Agrawal, V., & Gupta, S.C. (2011). Mannitol, polyethylene glycol and NaCl induced polypeptide changes during in vitro culture of three tomato cultivars. Biologia plantarum, 55(3), 591-595. doi: 10.1007/s10535-011-0132-5
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