Activation tagging identifies Arabidopsis transcription factor AtMYB68 for heat and drought tolerance at yield determining reproductive stages

2020 ◽  
Vol 104 (6) ◽  
pp. 1535-1550 ◽  
Author(s):  
Mingde Deng ◽  
Yang Wang ◽  
Monika Kuzma ◽  
Maryse Chalifoux ◽  
Linda Tremblay ◽  
...  
Keyword(s):  
Transcription Factor ◽  
Drought Tolerance ◽  
Activation Tagging

The intron of the Arabidopsis thaliana COX5c gene is able to improve the drought tolerance conferred by the sunflower Hahb-4 transcription factor

Planta ◽  
2007 ◽  
Vol 226 (5) ◽  
pp. 1143-1154 ◽  
Author(s):  
Julieta V. Cabello ◽  
Carlos A. Dezar ◽  
Pablo A. Manavella ◽  
Raquel L. Chan
Keyword(s):  
Arabidopsis Thaliana ◽  
Transcription Factor ◽  
Drought Tolerance

scholarly journals GBF3 transcription factor imparts drought tolerance in Arabidopsis thaliana

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Venkategowda Ramegowda ◽  
Upinder Singh Gill ◽  
Palaiyur Nanjappan Sivalingam ◽  
Aarti Gupta ◽  
Chirag Gupta ◽  
...  
Keyword(s):  
Arabidopsis Thaliana ◽  
Transcription Factor ◽  
Drought Tolerance

scholarly journals ‘Garnem’ and Myrobalan ‘P.2175’: Two Different Drought Responses and Their Implications in Drought Tolerance

Horticulturae ◽  
2021 ◽  
Vol 7 (9) ◽  
pp. 299
Author(s):  
Beatriz Bielsa ◽  
María Ángeles Sanz ◽  
María José Rubio-Cabetas
Keyword(s):  
Transcription Factor ◽  
Drought Tolerance ◽  
Abiotic Stresses ◽  
Interspecific Hybrids ◽  
Drought Response ◽  
Breeding Programs ◽  
Wide Range ◽  
Relative Water ◽  
Aba Content ◽  
Rootstock Breeding

One of the challenges in rootstock breeding programs is the combination of tolerances to different abiotic stresses in new interspecific hybrids adapted to a wide range of environmental conditions. In this work, two Prunus L. rootstocks: Myrobalan ‘P.2175’ (P. cerasifera Ehrh.) and the almond × peach hybrid ‘Garnem’ (P. amygdalus Batsch × P. persica (L.) Batsch) were subjected to drought during 24 h to understand their drought response mechanisms. The study was conducted monitoring leaf water potential (LWP), stomatal conductance (gs), relative water content (RWC), and electrolyte leakage (EL); as well as the abscisic acid (ABA) content in roots. The relative expression of five drought-relative genes was also studied. The obtained results allowed examining the drought tolerance potential of ‘Garnem’ and Myrobalan ‘P.2175’, demonstrating the great potential of ‘Garnem’ as drought tolerance source in future selections in breeding. Furthermore, based on the obtained data, the transcription factor Myb25-like could be a good biomarker of drought sensitivity for use in Prunus rootstock breeding programs.

The transcription factor ZmNAC49 reduces stomatal density and improves drought tolerance in maize

2020 ◽  
Author(s):  
Yang Xiang ◽  
Xiujuan Sun ◽  
Xiangli Bian ◽  
Tianhui Wei ◽  
Tong Han ◽  
...  
Keyword(s):  
Transcription Factor ◽  
Drought Stress ◽  
Stomatal Conductance ◽  
Drought Tolerance ◽  
Transpiration Rate ◽  
Transcriptional Activation ◽  
Stomatal Density ◽  
Stomatal Development ◽  
Expression Of Genes ◽  
Growth Development

Abstract Drought stress severely limits the growth, development, and productivity of crops, and therefore understanding the mechanisms by which plants respond to drought is crucial. In this study, we cloned a maize NAC transcription factor, ZmNAC49, and identified its function in response to drought stress. We found that ZmNAC49 is localized in the nucleus and has transcriptional activation activity. ZmNAC49 expression is rapidly and strongly induced by drought stress, and overexpression enhances stress tolerance in maize. Overexpression also significant decreases the transpiration rate, stomatal conductance, and stomatal density in maize. Detailed study showed that ZmNAC49 overexpression affects the expression of genes related to stomatal development, namely ZmTMM, ZmSDD1, ZmMUTE, and ZmFAMA. In addition, we found that ZmNAC49 can directly bind to the promoter of ZmMUTE and suppress its expression. Taken together, our results show that the transcription factor ZmNAC49 represses ZmMUTE expression, reduces stomatal density, and thereby enhances drought tolerance in maize.

A cotton NAC transcription factor GhirNAC2 plays positive roles in drought tolerance via regulating ABA biosynthesis

Plant Science ◽  
2020 ◽  
Vol 296 ◽  
pp. 110498 ◽  
Author(s):  
Xiaoguang Shang ◽  
Yujia Yu ◽  
Lijie Zhu ◽  
Hanqiao Liu ◽  
Qichao Chai ◽  
...  
Keyword(s):  
Transcription Factor ◽  
Drought Tolerance ◽  
Nac Transcription Factor ◽  
Aba Biosynthesis
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