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Publikationen - Molekulare Signalverarbeitung

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Publikation

Wasternack, C.; Atzorn, R.; Peña-Cortés, H.; Parthier, B.; Alteration of Gene Expression by Jasmonate and ABA in Tobacco and Tomato J. Plant Physiol. 147, 503-510, (1996) DOI: 10.1016/S0176-1617(96)80038-1

The synthesis of jasmonate-induced proteins in leaves of tobacco (Nicotiana plumbaginifolia) and tomato (Lycopersicon esculentum) was studied in order to find a possible functional link in the actions of abscisic acid (ABA) and jasmonates. ABA-deficient mutants of tobacco (CKR1) and of tomato (sitiens, flacca), and their corresponding wild-types, were compared with respect to endogenous contents of jasmonates and ABA, and polypeptide and transcript patterns in water- or jasmonate-floated leaves, leaves stressed by floating on sorbitol, or by weak desiccation. Our results indicate that in tobacco the synthesis of proteins induced by jasmonate differed from those induced by ABA, whereas in tomato some jasmonate-induced proteins were also induced by ABA. The results provide further evidence that different signalling pathways exist for jasmonate/ABA-responsive gene expression in various plant species.
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