Developing superior alleles of yield genes in rice by artificial mutagenesis using the CRISPR/Cas9 system

Huang, Liying; Zhang, Ru; Huang, Guangfu; Li, Yanxia; Getachew, Melaku; Zhang, Shilai; Chen, Haitao; Zhao, Yanjuan; Zhang, Jing; Zhang, Yesheng; Hu, Fengyi

doi:10.1016/j.cj.2018.05.005

Cited by 66 publications

(28 citation statements)

References 27 publications

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“…CRISPR/Cas9 leads to the development of non-genetically modified plants with desired traits that can contribute to enhance crop production under abiotic stress (Figure 4). In recent years, application of CRISPR/Cas9 has been reported in several crops: wheat [290], rice [291], barley [292,293], maize [294,295], and potato [296]. The recent reviews revealed the essential role of CRISPR/Cas9-mediated GE as a means to develop crops with improved tolerance to abiotic stresses [297,298].…”

Section: Development Of Ds-tolerant Legumes Using Molecular and Bimentioning

confidence: 99%

Research Progress and Perspective on Drought Stress in Legumes: A Review

Nadeem

Yahya

et al. 2019

IJMS

274

176

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Climate change, food shortage, water scarcity, and population growth are some of the threatening challenges being faced in today’s world. Drought stress (DS) poses a constant challenge for agricultural crops and has been considered a severe constraint for global agricultural productivity; its intensity and severity are predicted to increase in the near future. Legumes demonstrate high sensitivity to DS, especially at vegetative and reproductive stages. They are mostly grown in the dry areas and are moderately drought tolerant, but severe DS leads to remarkable production losses. The most prominent effects of DS are reduced germination, stunted growth, serious damage to the photosynthetic apparatus, decrease in net photosynthesis, and a reduction in nutrient uptake. To curb the catastrophic effect of DS in legumes, it is imperative to understand its effects, mechanisms, and the agronomic and genetic basis of drought for sustainable management. This review highlights the impact of DS on legumes, mechanisms, and proposes appropriate management approaches to alleviate the severity of water stress. In our discussion, we outline the influence of water stress on physiological aspects (such as germination, photosynthesis, water and nutrient uptake), growth parameters and yield. Additionally, mechanisms, various management strategies, for instance, agronomic practices (planting time and geometry, nutrient management), plant growth-promoting Rhizobacteria and arbuscular mycorrhizal fungal inoculation, quantitative trait loci (QTLs), functional genomics and advanced strategies (CRISPR-Cas9) are also critically discussed. We propose that the integration of several approaches such as agronomic and biotechnological strategies as well as advanced genome editing tools is needed to develop drought-tolerant legume cultivars.

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Section: Development Of Ds-tolerant Legumes Using Molecular and Bimentioning

confidence: 99%

Research Progress and Perspective on Drought Stress in Legumes: A Review

Nadeem

Yahya

et al. 2019

IJMS

274

176

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“…These tools’ applications will lead to the development of non-genetically modified crop plants with the wanted trait that can contribute to improved crop productivity under stress environments [ 220 ]. In recent years, GE by CRISPR/Cas9 has been observed in many crops, including rice [ 221 ], wheat [ 222 , 223 , 224 ], maize [ 225 , 226 ], barley [ 227 , 228 ], rapeseed [ 226 ], potato [ 228 ], sweet orange [ 229 ], soybean [ 230 , 231 , 232 ], poplar [ 232 ], and petunia [ 233 ]. Abdelrahman and co-workers reviewed the targeted mutagenesis in crop plants by CRISPR/Cas9.…”

Section: Management Strategies To Improve Salt Tolerance In Legumementioning

confidence: 99%

Grain Legumes and Fear of Salt Stress: Focus on Mechanisms and Management Strategies

Nadeem

Yahya

et al. 2019

IJMS

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Salinity is an ever-present major constraint and a major threat to legume crops, particularly in areas with irrigated agriculture. Legumes demonstrate high sensitivity, especially during vegetative and reproductive phases. This review gives an overview of legumes sensitivity to salt stress (SS) and mechanisms to cope with salinity stress under unfavorable conditions. It also focuses on the promising management approaches, i.e., agronomic practices, breeding approaches, and genome editing techniques to improve performance of legumes under SS. Now, the onus is on researchers to comprehend the plants physiological and molecular mechanisms, in addition to various responses as part of their stress tolerance strategy. Due to their ability to fix biological nitrogen, high protein contents, dietary fiber, and essential mineral contents, legumes have become a fascinating group of plants. There is an immense need to develop SS tolerant legume varieties to meet growing demand of protein worldwide. This review covering crucial areas ranging from effects, mechanisms, and management strategies, may elucidate further the ways to develop SS-tolerant varieties and to produce legume crops in unfavorable environments.

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“…Grain number. Malfunction of the gene Os01g0197700 (GN1a) produces an increment of grain per panicle number and owering because of a lower degradation of cytokines produced by the corresponding cytokinin oxidation enzyme (Li et al, 2016;Shen et al, 2017;Huang et al, 2018). Another gene that correlates with increased production and downregulates cytokine level regulation is EP3 Erect Panicle 3 (Os02g0260200) (Li et al, 2011a;Shen et al, 2017).…”

Section: Below)mentioning

confidence: 99%

“…The number of panicles and consequently the yield can be increased by knocking out or indirectly blocking Pin1A and Pin15b. The indirect mechanism results in higher expression of DEP1 and LPA1, which interact to suppress PIN1a expression (Huang et al, 2018;Fu et al, 2019;Miao Liu et al, 2020). LPA1 is also important in the erect phenotype, and its knockout results in lamina inclination, while BAS1 seems to be important in stomata closing (Liu et al, 2016;Mao et al, 2018).…”

Section: Below)mentioning

confidence: 99%

Rice agronomic traits and variability induced by mutagenesis

Hernández-Soto¹,

Echeverría-Beirute²,

Abdelnour-Esquivel³

et al. 2021

Preprint

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Understanding agronomic traits at a genetic level enables the leveraging of this knowledge to produce crops that are more productive and resilient, have better quality and are adjusted for consumer preferences. In the last decade, rice has become a model to validate the function of specific genes, resulting in valuable but scattered information. Here, we aimed to identify particular genes in rice related to traits that can be targeted by different mutation techniques in the breeding of crops. We selected gain of function, misfunction, and specific mutations associated with phenotypes of agronomic interest. The review includes specific trait-related genes involved in domestication, stress, herbicide tolerance, pathogen resistance, grain number, quality, weight, plant structure, nitrogen use, and others. The information presented can be used for rice and crops with similar or homologous genes to breed crops that require improvement to achieve more sustainable production in challenging farming conditions.

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Developing superior alleles of yield genes in rice by artificial mutagenesis using the CRISPR/Cas9 system

Cited by 66 publications

References 27 publications

Research Progress and Perspective on Drought Stress in Legumes: A Review

Research Progress and Perspective on Drought Stress in Legumes: A Review

Grain Legumes and Fear of Salt Stress: Focus on Mechanisms and Management Strategies

Rice agronomic traits and variability induced by mutagenesis

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