Association analysis of <scp><i>GmMAPKs</i></scp> and functional characterization of <scp><i>GmMMK1</i></scp> to salt stress response in soybean

Liao, Xiliang; Shi, Meiqi; Zhang, Wei; Ye, Qian; Li, Yali; Feng, Xianzhong; Bhat, Javaid Akhter; Kan, Guizhen; Yu, Deyue

doi:10.1111/ppl.13549

Cited by 10 publications

(3 citation statements)

References 48 publications

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“…According to the amino acid sequences, these 38 MAPKs could be clustered into four groups (Group A-D) ( Neupane et al., 2013 ). Even though a number of researches have strongly demonstrated the important roles of MAPK pathway in abiotic stress response in Arabidopsis and rice, only two MAPK kinases in G. max , GMK1/GmMPK6 (Group D) ( Im et al., 2012 ; Im et al., 2021 ) and GmMMK1 (Group B) ( Liao et al., 2021 ), have been functionally characterized to regulate salt tolerance. By association analysis of GmMKK1 sequence variations and salt tolerance in the natural soybean population, researchers showed that the sequence variation in GmMKK1 promoter was the main reason for the functional differences of GmMKK1 in the natural population in terms of the germination rates under salt treatment.…”

Section: Protein Kinases Involved In Salt-alkaline Stress Response In...mentioning

confidence: 99%

Insights into the regulation of wild soybean tolerance to salt-alkaline stress

Cai

Jia²,

Sun³

et al. 2022

Front. Plant Sci.

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Soybean is an important grain and oil crop. In China, there is a great contradiction between soybean supply and demand. China has around 100 million ha of salt-alkaline soil, and at least 10 million could be potentially developed for cultivated land. Therefore, it is an effective way to improve soybean production by breeding salt-alkaline-tolerant soybean cultivars. Compared with wild soybean, cultivated soybean has lost a large number of important genes related to environmental adaptation during the long-term domestication and improvement process. Therefore, it is greatly important to identify the salt-alkaline tolerant genes in wild soybean, and investigate the molecular basis of wild soybean tolerance to salt-alkaline stress. In this review, we summarized the current research regarding the salt-alkaline stress response in wild soybean. The genes involved in the ion balance and ROS scavenging in wild soybean were summarized. Meanwhile, we also introduce key protein kinases and transcription factors that were reported to mediate the salt-alkaline stress response in wild soybean. The findings summarized here will facilitate the molecular breeding of salt-alkaline tolerant soybean cultivars.

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Section: Protein Kinases Involved In Salt-alkaline Stress Response In...mentioning

confidence: 99%

Insights into the regulation of wild soybean tolerance to salt-alkaline stress

Cai

Jia²,

Sun³

et al. 2022

Front. Plant Sci.

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“…The class B heat‐shock factor HSFB2b activates flavonoid biosynthesis‐related genes to promote flavonoid accumulation to relieve salt stress (Bian et al, 2020). The mitogen‐activated protein kinase (MAPK) member MMK1 negatively regulates salt tolerance by modulating root growth and salt sensitivity (Liao et al, 2021).…”

Section: Biotic and Abiotic Stress Tolerance In Soybeanmentioning

confidence: 99%

Understandings and future challenges in soybean functional genomics and molecular breeding

Fang

Kong

et al. 2023

JIPB

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Soybean (Glycine max) is a major source of plant protein and oil. Soybean breeding has benefited from advances in functional genomics. In particular, the release of soybean reference genomes has advanced our understanding of soybean adaptation to soil nutrient deficiencies, the molecular mechanism of symbiotic nitrogen (N) fixation, biotic and abiotic stress tolerance, and the roles of flowering time in regional adaptation, plant architecture, and seed yield and quality. Nevertheless, many challenges remain for soybean functional genomics and molecular breeding, mainly related to improving grain yield through high‐density planting, maize–soybean intercropping, taking advantage of wild resources, utilization of heterosis, genomic prediction and selection breeding, and precise breeding through genome editing. This review summarizes the current progress in soybean functional genomics and directs future challenges for molecular breeding of soybean.

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“…It has been found that plants, in response to extracellular abiotic stress, activate a complex intercellular signaling cascade that regulates physiological and biochemical changes. The Mitogen-activated protein kinase (MAPK) cascades consist of three layers of sequentially phosphorylating and activating protein kinases, including MAPK kinase kinases (MAPKKKs), MAPK kinases (MAPKKs), and MAPKs, which are highly conserved eukaryotic signaling modules acting downstream of the receptors in transducing extracellular stimuli into cellular responses (Wang et al 2022b , 2014 ; Jia et al 2022 ; Liao et al 2021 ). There are 17 MAPKs, 8 MAPKKs, and 75 MAPKKKs in the rice genome, which play crucial roles in the transduction of environmental and developmental signals, and response to various stresses (Wankhede et al 2013 ; Singh et al 2014 ; Hamel et al 2006 ; Jagodzik et al 2018 ).…”

Section: Introductionmentioning

confidence: 99%

OsSTS, a Novel Allele of Mitogen-Activated Protein Kinase Kinase 4 (OsMKK4), Controls Grain Size and Salt Tolerance in Rice

Liu,

Shen,

Guo

et al. 2023

Rice

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Soil salinization is one of the most common abiotic stresses of rice, which seriously affects the normal growth of rice. Breeding salt-tolerant varieties have become one of the important ways to ensure food security and sustainable agricultural development. However, the mechanisms underlying salt tolerance control still need to be clarified. In this study, we identified a mutant, termed salt-tolerant and small grains(sts), with salt tolerance and small grains. Gene cloning and physiological and biochemical experiments reveal that sts is a novel mutant allele of Mitogen-activated protein Kinase Kinase 4 (OsMKK4), which controls the grain size, and has recently been found to be related to salt tolerance in rice. Functional analysis showed that OsSTS is constitutively expressed throughout the tissue, and its proteins are localized to the nucleus, cell membrane, and cytoplasm. It was found that the loss of OsSTS function enhanced the salt tolerance of rice seedlings, and further studies showed that the loss of OsSTS function increased the ROS clearance rate of rice seedlings, independent of ionic toxicity. In order to explore the salt tolerance mechanism of sts, we found that the salt tolerance of sts is also regulated by ABA through high-throughput mRNA sequencing. Salt and ABA treatment showed that ABA might alleviate the inhibitory effect of salt stress on root length in sts. These results revealed new functions of grain size gene OsMKK4, expanded new research ideas related to salt tolerance mechanism and hormone regulation network, and provided a theoretical basis for salt-tolerant rice breeding.

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Association analysis of GmMAPKs and functional characterization of GmMMK1 to salt stress response in soybean

Cited by 10 publications

References 48 publications

Insights into the regulation of wild soybean tolerance to salt-alkaline stress

Insights into the regulation of wild soybean tolerance to salt-alkaline stress

Understandings and future challenges in soybean functional genomics and molecular breeding

OsSTS, a Novel Allele of Mitogen-Activated Protein Kinase Kinase 4 (OsMKK4), Controls Grain Size and Salt Tolerance in Rice

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