biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 46:313-316, 2003 | DOI: 10.1023/A:1022883501656

Stress-Induced Proteins in Parthenium argentatum Leaves

D. Sundar1, K.V. Chaitanya1, A. Ramachandra Reddy1
1 School of Life Sciences, Pondicherry University, Pondicherry, India

We have analyzed the stress-associated proteins in a high-rubber-yielding guayule (Parthenium argentatum Gray cv. 11591) leaves. Protein profiles in leaf fractions, resolved by SDS-PAGE and visualized by Coomassie Brilliant Blue staining, were different under various stresses. Changes in 25, 34 and 74 kDa polypeptides were noticed in response to low night temperature treatment while 24, 40, 47 and 81 kDa proteins responded to low irradiance. 23, 50, 75 and 82 kDa proteins were altered in response to drought stress. Certain proteins may play a significant role in the acquisition of tolerance in parenchyma cells of guayule leaves and might be useful markers to study adaptation in guayule plants.

Keywords: drought; guayule; irradiance; low night temperature; SDS-PAGE
Subjects: guayule, stress-induced proteins; Parthenium argentatum; photon flux density, polypeptide profile; proteins, drought-stress induced; stress-induced proteins, guayule; temperature, low, polypeptide profile; water stress, polypeptide profile

Prepublished online: March 1, 2003; Published: September 1, 2003  Show citation

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Sundar, D., Chaitanya, K.V., & Ramachandra Reddy, A. (2003). Stress-Induced Proteins in Parthenium argentatum Leaves. Biologia plantarum, 46(2), 313-316. doi: 10.1023/A:1022883501656
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