Improvement of Drought Tolerance in Rice (Oryza sativa L.): Genetics, Genomic Tools, and the WRKY Gene Family

BioMed Research International
Mahbod SahebiNarges Atabaki

Abstract

Drought tolerance is an important quantitative trait with multipart phenotypes that are often further complicated by plant phenology. Different types of environmental stresses, such as high irradiance, high temperatures, nutrient deficiencies, and toxicities, may challenge crops simultaneously; therefore, breeding for drought tolerance is very complicated. Interdisciplinary researchers have been attempting to dissect and comprehend the mechanisms of plant tolerance to drought stress using various methods; however, the limited success of molecular breeding and physiological approaches suggests that we rethink our strategies. Recent genetic techniques and genomics tools coupled with advances in breeding methodologies and precise phenotyping will likely reveal candidate genes and metabolic pathways underlying drought tolerance in crops. The WRKY transcription factors are involved in different biological processes in plant development. This zinc (Zn) finger protein family, particularly members that respond to and mediate stress responses, is exclusively found in plants. A total of 89 WRKY genes in japonica and 97 WRKY genes in O. nivara (OnWRKY) have been identified and mapped onto individual chromosomes. To increase the drought to...Continue Reading

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Citations

Jul 22, 2019·International Journal of Molecular Sciences·Yusuff OladosuKazeem Kolapo
Feb 23, 2020·International Journal of Genomics·Zarifth Shafika KamarudinArolu Fatai
Aug 31, 2020·3 Biotech·Raj Kumar JoshiRukmini Mishra
Jan 31, 2019·Plants·Anumalla MahenderJauhar Ali
May 11, 2019·International Journal of Molecular Sciences·Liangxiang DaiZhimeng Zhang
Feb 23, 2020·Scientific Reports·R P SahD Moharana
Oct 3, 2020·Physiologia Plantarum·M Iqbal R KhanChirag Maheshwari
Apr 16, 2021·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Bablee Kumari SinghAmitha Mithra Sevanthi
May 1, 2021·International Journal of Molecular Sciences·Sichul Lee, Celine Masclaux-Daubresse
Oct 16, 2021·Physiologia Plantarum·Pratibha GourSaurabh Raghuvanshi
Oct 26, 2021·Frontiers in Microbiology·Qi LiuZiting Wang

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Methods Mentioned

BETA
genotyping
transgenic
dissection

Software Mentioned

Digital Gene Expression - TAG ( DGE - TAG )
BLASTp
HMMER
DeepSAGE

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