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Ankara University (2019)

INVESTIGATION OF THE YABBY AND DOF TRANSCRIPTION FACTORS AT GENE EXPRESSION LEVEL DURING DROUGHT STRESS CONDITIONS IN Phaseolus vulgaris L. AND THE EFFECT OF SALICYLIC ACID

KIRICI Arzu Gizem

Titre : INVESTIGATION OF THE YABBY AND DOF TRANSCRIPTION FACTORS AT GENE EXPRESSION LEVEL DURING DROUGHT STRESS CONDITIONS IN Phaseolus vulgaris L. AND THE EFFECT OF SALICYLIC ACID

Fasulye (Phaseolus vulgaris L.) bitkisinde Yabby ve Dof genlerinin kuraklık stresi ile olan ilişkilerinin salisilik asit etkisiyle karşılaştırmalı olarak gen ifadesi düzeyinde incelenmesi

Auteur : KIRICI Arzu Gizem

Université de soutenance : Ankara University

Grade : M.Sc Thesis 2019

Résumé
Abiotic stresses like drought and salinity are one of the most limiting factors for stable crop production worldwide. In recent years, molecular-based applications are being applied to solve these problems. In this regard, the molecular mechanisms of transcription factors have gained attention and gene expression studies have become indispensable to understand the underlying molecular and morphological (such as RWC) mechanisms. Salicylic acid (SA) acts as an endogenous signaling molecule that induces abiotic stress tolerance in plants. Transcription factors (TF) have important roles in regulating a variety of biological processes like salicylic acid dependent resistance of plants to stress. In this study, the expression levels of YABBY and DOF genes in the 2 different beans (Phaseolus vulgaris L.) variety (Yakutiye-98, Zülbiye) were investigated under drought stress conditions and also the effects of salicylic acid application on the plants under drought stress have been studied at gene expression level. Relative water content (RWC) and other morphological variations, as well as the changes observed in expression levels of the transcription factors in comparison with salicylic acid application under drought stress, showed the effect of stress and hormone application and also revealed the importance of the transcription factors. The current study gives information about the expression patterns of the transcription factors YABBY and DOF in common bean. Exposed to drought stress and the effect of salicylic acid on this pattern. The study will shed light to the future studies about the mechanisms of transcription factors and related future studies about common bean.

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Page publiée le 13 décembre 2020