Flood and drought tolerance in rice: opposite but may coexist

Rahman, A. N. M. Rubaiyath Bin; Zhang, Jianhua

doi:10.1002/fes3.79

Cited by 68 publications

(52 citation statements)

References 98 publications

(273 reference statements)

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“…Cellular dehydration caused by drought, and hypoxia driven by submergence, trigger a cascade of adaptive responses that are regulated at the molecular level in plants and are directed to maintain vital functions and protect structures from damage. Since cellular protection is a priority during stress, it has been shown that some responses to dehydration and excess water have common molecular effectors acting as nodes in the crosstalk between responses to drought and submergence [ 9 , 10 , 11 ]. This may have allowed wild plants to evolve tolerance mechanisms to cope with alternate drought and flooding events, which commonly occur consecutively in some regions of the world [ 12 , 13 ].…”

Section: Introductionmentioning

confidence: 99%

Differential Expression of Maize and Teosinte microRNAs under Submergence, Drought, and Alternated Stress

Sepúlveda-García

Pulido-Barajas

Huerta-Heredia

et al. 2020

Plants

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Submergence and drought stresses are the main constraints to crop production worldwide. MicroRNAs (miRNAs) are known to play a major role in plant response to various stresses. In this study, we analyzed the expression of maize and teosinte miRNAs by high-throughput sequencing of small RNA libraries in maize and its ancestor teosinte (Zea mays ssp. parviglumis), under submergence, drought, and alternated stress. We found that the expression patterns of 67 miRNA sequences representing 23 miRNA families in maize and other plants were regulated by submergence or drought. miR159a, miR166b, miR167c, and miR169c were downregulated by submergence in both plants but more severely in maize. miR156k and miR164e were upregulated by drought in teosinte but downregulated in maize. Small RNA profiling of teosinte subject to alternate treatments with drought and submergence revealed that submergence as the first stress attenuated the response to drought, while drought being the first stress did not alter the response to submergence. The miRNAs identified herein, and their potential targets, indicate that control of development, growth, and response to oxidative stress could be crucial for adaptation and that there exists evolutionary divergence between these two subspecies in miRNA response to abiotic stresses.

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Section: Introductionmentioning

confidence: 99%

Differential Expression of Maize and Teosinte microRNAs under Submergence, Drought, and Alternated Stress

Sepúlveda-García

Pulido-Barajas

Huerta-Heredia

et al. 2020

Plants

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“…These aus rice cultivars are early maturing, photoperiod insensitive and drought tolerant 8,11 . The genetic diversity among aus genotypes is abundant and they are enriched with various abiotic and biotic stress resistance genes 6,10,12,13 . For example, a traditional aus cultivar FR 13A harbour Sub1 gene which confers submergence tolerance 14,15 ; likewise Kasalath an aus type cultivar was the donor of Pstol1 gene which confers phosphorus starvation tolerance 13 .…”

Section: Introductionmentioning

confidence: 99%

“…BG1222 an aus type cultivars harbour xa34 bacterial blight resistance genes 24 . Most of the drought-tolerant rice are originated from aus rice germplasm which has been cultivated in Northeast India and Bangladesh 12,25 . Knowledge of the genetic diversity of rice genotypes is useful for core collection development and effective conservation strategy.…”

Section: Introductionmentioning

confidence: 99%

Variability Assessment for Root and Drought Tolerance Traits and Genetic Diversity Analysis of Rice Germplasm using SSR Markers

Verma

Borah

Sarma

2019

Sci Rep

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The studies on genetic variation, diversity and population structure of rice germplasm of North East India could be an important step for improvements of abiotic and biotic stress tolerance in rice. Genetic diversity and genetic relatedness among 114 rice genotypes of North East India were assessed using genotypic data of 65 SSR markers and phenotypic data. The phenotypic diversity analysis showed the considerable variation across genotypes for root, shoot and drought tolerance traits. The principal component analysis (PCA) revealed the fresh shoot weight, root volume, dry shoot weight, fresh root weight and drought score as a major contributor to diversity. Genotyping of 114 rice genotypes using 65 SSR markers detected 147 alleles with the average polymorphic information content (PIC) value of 0.51. Population structure analysis using the Bayesian clustering model approach, distance-based neighbor-joining cluster and principal coordinate analysis using genotypic data grouped the accession into three sub-populations. Population structure analysis revealed that rice accession was moderately structured based on FST value estimates. Analysis of molecular variance (AMOVA) and pairwise FST values showed significant differentiation among all the pairs of sub-population ranging from 0.152 to 0.222 suggesting that all the three subpopulations were significantly different from each other. AMOVA revealed that most of the variation in rice accession mainly occurred among individuals. The present study suggests that diverse germplasm of NE India could be used for the improvement of root and drought tolerance in rice breeding programmes.

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“…Earlier we analysed preferential distribution pattern and population types of drought and flood tolerant rice accessions (Bin Rahman and Zhang 2016 ). However, in this review, we analysed all seven major abiotic stresses along with one nutrient deficiency tolerance.…”

Section: Reviewmentioning

confidence: 99%

Preferential Geographic Distribution Pattern of Abiotic Stress Tolerant Rice

Rahman

Zhang

2018

Rice

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Crop productivity and stability of the food system are threatened by climate change, mainly through the effects of predicted abiotic stresses. Despite extensive research on abiotic stress tolerance in the past decades, the successful translation of these research to fields/farmers is scarce. The impelling demand of climate resilient varieties, and the poor translation of research into the field despite the availability of high throughput technologies lead us to critically analyse a neglected aspect of current abiotic stress tolerance research. Although environmental factors play the most important role in the development of adaptive traits of plants, most abiotic stress tolerance research ignores eco-geographic aspects of highly stress tolerant accessions. In this review, we critically examined the geographic distribution pattern of highly tolerant rice accessions of all major abiotic stresses along with one micronutrient deficiency. Remarkably, we identified a shared geographic distribution pattern of highly tolerant accessions for all abiotic stresses including zinc deficiency despite the sparseness of highly tolerant accessions. The majority of these tolerant accessions predominately originated from Bangladesh centred narrow geographic region. We therefore analysed the climatic and agro-ecological features of Bangladesh. Considering the threat of climate change on global food security and poverty, urgent concerted research efforts are necessary for the development of climate resilient rice varieties utilizing the technological advancement, know-hows, and the preferential distribution pattern of abiotic stress tolerant rice.Electronic supplementary materialThe online version of this article (10.1186/s12284-018-0202-9) contains supplementary material, which is available to authorized users.

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Flood and drought tolerance in rice: opposite but may coexist

Cited by 68 publications

References 98 publications

Differential Expression of Maize and Teosinte microRNAs under Submergence, Drought, and Alternated Stress

Differential Expression of Maize and Teosinte microRNAs under Submergence, Drought, and Alternated Stress

Variability Assessment for Root and Drought Tolerance Traits and Genetic Diversity Analysis of Rice Germplasm using SSR Markers

Preferential Geographic Distribution Pattern of Abiotic Stress Tolerant Rice

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