'Omics' approaches in developing combined drought and heat tolerance in food crops

被引：41

作者：

Bhardwaj, Anjali ^{[1
]}

Devi, Poonam ^{[1
]}

Chaudhary, Shikha ^{[1
]}

Rani, Anju ^{[1
]}

Jha, Uday Chand ^{[2
]}

Kumar, Shiv ^{[3
]}

Bindumadhava, H. ^{[4
]}

Prasad, P. V. Vara ^{[5
]}

Sharma, Kamal Dev ^{[6
]}

Siddique, Kadambot H. M. ^{[7
]}

Nayyar, Harsh ^{[1
]}

机构：

[1] Panjab Univ, Dept Bot, Chandigarh, India

[2] Indian Inst Pulses Res, Kanpur, Uttar Pradesh, India

[3] Int Ctr Agr Res Dry Areas ICARDA, Rabat, Morocco

[4] Dr Marri Channa Reddy Fdn MCRF, Hyderabad, India

[5] Kansas State Univ, Manhattan, KS 66506 USA

[6] CSK HP Agr Univ, Palampur, Himachal Prades, India

[7] Univ Western Australia, UWA Inst Agr, Perth, WA, Australia

来源：

PLANT CELL REPORTS | 2022年 / 41卷 / 03期

关键词：

Water stress; High temperature; Cereals; Legumes; Genomics; Proteomics; Metabolomics; ABIOTIC STRESS TOLERANCE; CANOPY TEMPERATURE DEPRESSION; PYROPHOSPHATASE GENE AVP1; CELL-MEMBRANE STABILITY; ORYZA-SATIVA L; SUMO E3 LIGASE; WATER-DEFICIT; PHOTOSYSTEM-II; PHYSIOLOGICAL-RESPONSES; GLYCINE BETAINE;

D O I：

10.1007/s00299-021-02742-0

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Global climate change will significantly increase the intensity and frequency of hot, dry days. The simultaneous occurrence of drought and heat stress is also likely to increase, influencing various agronomic characteristics, such as biomass and other growth traits, phenology, and yield-contributing traits, of various crops. At the same time, vital physiological traits will be seriously disrupted, including leaf water content, canopy temperature depression, membrane stability, photosynthesis, and related attributes such as chlorophyll content, stomatal conductance, and chlorophyll fluorescence. Several metabolic processes contributing to general growth and development will be restricted, along with the production of reactive oxygen species (ROS) that negatively affect cellular homeostasis. Plants have adaptive defense strategies, such as ROS-scavenging mechanisms, osmolyte production, secondary metabolite modulation, and different phytohormones, which can help distinguish tolerant crop genotypes. Understanding plant responses to combined drought/heat stress at various organizational levels is vital for developing stress-resilient crops. Elucidating the genomic, proteomic, and metabolic responses of various crops, particularly tolerant genotypes, to identify tolerance mechanisms will markedly enhance the continuing efforts to introduce combined drought/heat stress tolerance. Besides agronomic management, genetic engineering and molecular breeding approaches have great potential in this direction.

引用

页码：699 / 739

页数：41

共 278 条

[21] The effect of drought and heat stress on reproductive processes in cereals [J].