NDLI: Identification of genes involved in the response of leaves of Phaseolus vulgaris to drought stress

Content Provider	Springer Nature Link
Author	Kavar, Tatjana Maras, Marko Kidrič, Marjetka Šuštar Vozlič, Jelka Meglič, Vladimir
Copyright Year	2007
Abstract	Common bean (Phaseolus vulgaris L.) is an important crop from the Fabaceae family that is cultivated worldwide for human consumption. It is also widely exposed to drought. The identification of genes whose expression is altered under conditions of drought is an important first step towards understanding the response of this species. Such a study has recently been published on roots of P. vulgaris (Torres et al. 2006, Plant Sci 171:300–307) and a complementary study is here reported on leaves. 19-day-old plants of 8 cultivars grown in a growth chamber and 21-day-old plants of four of these cultivars grown in a greenhouse under conditions nearer to those in the field, were subjected to progressive water withdrawal. Changes in gene expression in their leaves at different levels of dehydration were identified by differential display reverse transcriptase PCR and confirmed by quantitative real-time PCR. The levels of 15 transcripts were changed significantly (P < 0.05) in all cultivars under both growth conditions, 8 being increased and seven decreased. All these transcripts were related by blastp search to known plant proteins. At least six transcripts corresponded to those whose expression is altered under drought in Arabidopsis thaliana. Five of the genes identified have not previously been reported as being influenced by drought. The identified genes were different from those influenced by drought in roots of P. vulgaris. Only minor differences in expression of these 15 genes were found between the different cultivars.
Starting Page	159
Ending Page	172
Page Count	14
File Format	PDF
ISSN	13803743
Journal	Molecular Breeding
Volume Number	21
Issue Number	2
e-ISSN	15729788
Language	English
Publisher	Springer Netherlands
Publisher Date	2007-07-11
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Common bean Differential display Gene expression analysis Quantitative PCR Drought Phaseolus vulgaris Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Molecular Biology Biotechnology Agronomy and Crop Science

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