Overexpression of the <scp>FERONIA</scp> receptor kinase <scp>MdMRLK2</scp> enhances apple cold tolerance

Jing, Yuanyuan; Pei, Tingting; Li, Chunrong; Wang, Duanni; Wang, Qi; Chen, Yijia; Li, Pengmin; Liu, Changhai; Feng-wang, MA

doi:10.1111/tpj.16226

Cited by 16 publications

(4 citation statements)

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“…RLKs are receptor-like proteins with kinase activity, which can regulate intracellular signaling through phosphorylation, and play an important role in the response to various abiotic stresses. For example, GsLRPK in A. thaliana and the FERONIA receptor-like kinase gene MdMRLK2 in apple ( Malus domestica L.) are involved in cold resistance ( Yang et al., 2014 ; Jing et al., 2023 ). RPK1 in A. thaliana and the leucine-rich repeat receptor-like kinase FON1 in rice are involved in the regulation of drought and water stress, respectively ( Osakabe et al., 2010 ; Feng et al., 2014 ).…”

Section: Discussionmentioning

confidence: 99%

“…They can activate the levels of expression of downstream genes, including COR (cold-regulated), LTI (low-temperature induced), and RD (responsive to dehydration) ( Zhu et al., 2007 ), which thereby improves the ability of plants to tolerate low temperatures. Other TFs, such as NAC1 ( Ma et al., 2013 ; Yin et al., 2024 ) and CAMTAs ( Kim et al., 2013 ), and kinase genes, including VaCPK20 ( Dubrovina et al., 2015 ), GsLRPK ( Yang et al., 2014 ), and the FERONIA receptor-like kinase gene MdMRLK2 ( Jing et al., 2023 ), are involved in this resistance to chilling stress. The development of omics technology enabled plant science researchers to reveal the complex mechanisms of the responses of plants to chilling stress.…”

Section: Introductionmentioning

confidence: 99%

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Chilling stress response in tobacco seedlings: insights from transcriptome, proteome, and phosphoproteome analyses

Shao,

Zhang,

Yang

et al. 2024

Front. Plant Sci.

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Tobacco (Nicotiana tabacum L.) is an important industrial crop, which is sensitive to chilling stress. Tobacco seedlings that have been subjected to chilling stress readily flower early, which seriously affects the yield and quality of their leaves. Currently, there has been progress in elucidating the molecular mechanisms by which tobacco responds to chilling stress. However, little is known about the phosphorylation that is mediated by chilling. In this study, the transcriptome, proteome and phosphoproteome were analyzed to elucidate the mechanisms of the responses of tobacco shoot and root to chilling stress (4 °C for 24 h). A total of 6,113 differentially expressed genes (DEGs), 153 differentially expressed proteins (DEPs) and 345 differential phosphopeptides were identified in the shoot, and the corresponding numbers in the root were 6,394, 212 and 404, respectively. This study showed that the tobacco seedlings to 24 h of chilling stress primarily responded to this phenomenon by altering their levels of phosphopeptide abundance. Kyoto Encyclopedia of Genes and Genomes analyses revealed that starch and sucrose metabolism and endocytosis were the common pathways in the shoot and root at these levels. In addition, the differential phosphopeptide corresponding proteins were also significantly enriched in the pathways of photosynthesis-antenna proteins and carbon fixation in photosynthetic organisms in the shoot and arginine and proline metabolism, peroxisome and RNA transport in the root. These results suggest that phosphoproteins in these pathways play important roles in the response to chilling stress. Moreover, kinases and transcription factors (TFs) that respond to chilling at the levels of phosphorylation are also crucial for resistance to chilling in tobacco seedlings. The phosphorylation or dephosphorylation of kinases, such as CDPKs and RLKs; and TFs, including VIP1-like, ABI5-like protein 2, TCP7-like, WRKY 6-like, MYC2-like and CAMTA7 among others, may play essential roles in the transduction of tobacco chilling signal and the transcriptional regulation of the genes that respond to chilling stress. Taken together, these findings provide new insights into the molecular mechanisms and regulatory networks of the responses of tobacco to chilling stress.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Chilling stress response in tobacco seedlings: insights from transcriptome, proteome, and phosphoproteome analyses

Shao,

Zhang,

Yang

et al. 2024

Front. Plant Sci.

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“…FERONIA coordinated plant growth and salt tolerance via the phosphorylation of phytochrome B [55]. Under low temperature stress conditions, the FERONIA receptor kinase MdMRLK2 could enhance the cold tolerance of apple plants by increasing the accumulation of osmoregulatory substances in cells, the synthesis of anthocyanins, and maintaining the stability of cell wall components [56]. Some recent studies in metabolomics have reported that salt stress induced the accumulation of some compounds in D. officinale leaves, especially flavonoids, sugars, and alkaloids, which may play an important role in the salt-stress responses of leaf tissues from D. officinale [22].…”

Section: Discussionmentioning

confidence: 99%

Integrated Analysis of Transcriptome and Metabolome Reveals Molecular Mechanisms of Rice with Different Salinity Tolerances

Zhou,

Liu,

Meng

et al. 2023

Plants

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Rice is a crucial global food crop, but it lacks a natural tolerance to high salt levels, resulting in significant yield reductions. To gain a comprehensive understanding of the molecular mechanisms underlying rice’s salt tolerance, further research is required. In this study, the transcriptomic and metabolomic differences between the salt-tolerant rice variety Lianjian5 (TLJIAN) and the salt-sensitive rice variety Huajing5 (HJING) were examined. Transcriptome analysis revealed 1518 differentially expressed genes (DEGs), including 46 previously reported salt-tolerance-related genes. Notably, most of the differentially expressed transcription factors, such as NAC, WRKY, MYB, and EREBP, were upregulated in the salt-tolerant rice. Metabolome analysis identified 42 differentially accumulated metabolites (DAMs) that were upregulated in TLJIAN, including flavonoids, pyrocatechol, lignans, lipids, and trehalose-6-phosphate, whereas the majority of organic acids were downregulated in TLJIAN. The interaction network of 29 differentially expressed transporter genes and 19 upregulated metabolites showed a positive correlation between the upregulated calcium/cation exchange protein genes (OsCCX2 and CCX5_Ath) and ABC transporter gene AB2E_Ath with multiple upregulated DAMs in the salt-tolerant rice variety. Similarly, in the interaction network of differentially expressed transcription factors and 19 upregulated metabolites in TLJIAN, 6 NACs, 13 AP2/ERFs, and the upregulated WRKY transcription factors were positively correlated with 3 flavonoids, 3 lignans, and the lipid oleamide. These results suggested that the combined effects of differentially expressed transcription factors, transporter genes, and DAMs contribute to the enhancement of salt tolerance in TLJIAN. Moreover, this study provides a valuable gene–metabolite network reference for understanding the salt tolerance mechanism in rice.

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“…It interacts with MdMRLK2, which is a FERONIA receptor-like kinase, to promote the binding of MdMYBPA1 to the promoters of MdANS and MdUFGT , which are key genes involved in anthocyanin biosynthesis. This interaction leads to the activation of their expressions for the accumulation of anthocyanin [ 98 ]. Moreover, MdBBX20 interacts with MdHY5 and enhances the promoter activity of MdMYB1 , which mediates the accumulation of anthocyanin in response to low temperature [ 24 ].…”

Section: Introductionmentioning

confidence: 99%

Insights into the molecular mechanisms underlying responses of apple trees to abiotic stresses

Song

et al. 2023

Horticulture Research

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Apple (Malus 𝗑 domestica) is a popular temperate fruit crop worldwide. However, its growth, productivity, and quality are often adversely affected by abiotic stresses such as drought, extreme temperature, and high salinity. Due to the long juvenile phase and highly heterozygous genome, the conventional breeding approaches for stress-tolerant cultivars are time-consuming and resource-intensive. These issues may be resolved by feasible molecular breeding techniques for apples, such as gene editing and marker-assisted selection. Therefore, it is necessary to acquire a more comprehensive comprehension of the molecular mechanisms underpinning apples' response to abiotic stress. In this review, we summarize the latest research progress in the molecular response of apples to abiotic stressors, including the gene expression regulation, protein modifications, and epigenetic modifications. We also provide updates on new approaches for improving apple abiotic stress tolerance, while discuss current challenges and future perspectives for apple molecular breeding.

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Overexpression of the FERONIA receptor kinase MdMRLK2 enhances apple cold tolerance

Cited by 16 publications

References 113 publications

Chilling stress response in tobacco seedlings: insights from transcriptome, proteome, and phosphoproteome analyses

Chilling stress response in tobacco seedlings: insights from transcriptome, proteome, and phosphoproteome analyses

Integrated Analysis of Transcriptome and Metabolome Reveals Molecular Mechanisms of Rice with Different Salinity Tolerances

Insights into the molecular mechanisms underlying responses of apple trees to abiotic stresses

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