PXL1 and SERKs act as receptor–coreceptor complexes for the CLE19 peptide to regulate pollen development

Song, Wen; Zhai, Naihua; Zhang, Shiting; Wang, Jianzheng; Wang, Shuangshuang; Liu, Weijia; Huang, Chien-Hua; Mā, Hong; Chai, Jijie; Chang, Full‐Young

doi:10.1038/s41467-023-39074-4

Cited by 7 publications

(3 citation statements)

References 40 publications

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“…Arabidopsis CLE9/10 polypeptide regulates stomatal and xylem development (Qian et al 2018). CLE19-PXL1-SERKs module regulates pollen development (Yu et al 2023). BAM1/2 receptor kinase signal drives root apical formative cell division mediated by CLE polypeptide (Crook et al 2020).…”

Section: Discussionmentioning

confidence: 99%

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Genome‐Wide Identification of CLE Gene Family and Function Analysis of SbCLE39 Under Salt Stress in Sorghum

Chen,

Zhang,

Xue

et al. 2024

J Agronomy Crop Science

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CLE proteins are a class of signalling factors involved in plant growth and abiotic stress response. They play crucial roles in processes such as cell differentiation, chlorophyll synthesis and abscisic acid (ABA) signal transduction. However, the function of the CLE genes in Sorghum bicolor remains unclear. In this study, 42 sorghum CLE genes were identified, and their evolutionary relationship, gene structure, amino acid sequence and homologous genes were analysed. We also examined the expression levels of CLE genes under various treatment conditions. Transcriptome data showed that there were significant differences in the expression patterns of 42 CLE genes in different tissues and organs. It is worth noting that SbCLE39 is mainly highly expressed in sorghum roots. At the same time, the expression of SbCLE39 decreased significantly under salt and ABA treatment. Compared with wild‐type yeast cells (EV), yeast cells with high expression of SbCLE39 had lower tolerance to salt stress. In addition, the excessive accumulation of ABA caused by external application of SbCLE39p reduced the salt tolerance of sorghum. These findings suggest that SbCLE39 negatively regulates the salt tolerance of sorghum. These results lay a foundation for revealing the mechanism of CLE genes regulating the salt tolerance of sorghum and are of great significance for the cultivation of salt‐tolerant crops.

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Section: Discussionmentioning

confidence: 99%

“…CLE19‐PXL1‐SERKs module regulates pollen development (Yu et al. 2023). BAM1/2 receptor kinase signal drives root apical formative cell division mediated by CLE polypeptide (Crook et al.…”

Section: Discussionmentioning

confidence: 99%

Genome‐Wide Identification of CLE Gene Family and Function Analysis of SbCLE39 Under Salt Stress in Sorghum

Chen,

Zhang,

Xue

et al. 2024

J Agronomy Crop Science

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“…The pears ( Pyrus bretschneideri ), PbrCrRLK1L3, and PbrCrRLK1L26 are also known to regulate the pollen tube rupture process and growth ( Kou et al., 2017 ). The tapetum gene expression and pollen development are regulated by a novel LRR-type PXY-like1 (PXL1) receptor perceiving CLAVATA3/EMBRYO SURROUNDING REGION-RELATED 19 (CLE19) as a ligand ( Yu et al., 2023 ).…”

Section: Diverse Roles Of Rlksmentioning

confidence: 99%

An update on evolutionary, structural, and functional studies of receptor-like kinases in plants

Liu,

Li,

et al. 2024

Front. Plant Sci.

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All living organisms must develop mechanisms to cope with and adapt to new environments. The transition of plants from aquatic to terrestrial environment provided new opportunities for them to exploit additional resources but made them vulnerable to harsh and ever-changing conditions. As such, the transmembrane receptor-like kinases (RLKs) have been extensively duplicated and expanded in land plants, increasing the number of RLKs in the advanced angiosperms, thus becoming one of the largest protein families in eukaryotes. The basic structure of the RLKs consists of a variable extracellular domain (ECD), a transmembrane domain (TM), and a conserved kinase domain (KD). Their variable ECDs can perceive various kinds of ligands that activate the conserved KD through a series of auto- and trans-phosphorylation events, allowing the KDs to keep the conserved kinase activities as a molecular switch that stabilizes their intracellular signaling cascades, possibly maintaining cellular homeostasis as their advantages in different environmental conditions. The RLK signaling mechanisms may require a coreceptor and other interactors, which ultimately leads to the control of various functions of growth and development, fertilization, and immunity. Therefore, the identification of new signaling mechanisms might offer a unique insight into the regulatory mechanism of RLKs in plant development and adaptations. Here, we give an overview update of recent advances in RLKs and their signaling mechanisms.

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New insights into evolution and functional diversification of Camellia sinensis LRR-RLKs

Zhang,

Ye,

et al. 2024

Physiol Mol Biol Plants

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PXL1 and SERKs act as receptor–coreceptor complexes for the CLE19 peptide to regulate pollen development

Cited by 7 publications

References 40 publications

Genome‐Wide Identification of CLE Gene Family and Function Analysis of SbCLE39 Under Salt Stress in Sorghum

Genome‐Wide Identification of CLE Gene Family and Function Analysis of SbCLE39 Under Salt Stress in Sorghum

An update on evolutionary, structural, and functional studies of receptor-like kinases in plants

New insights into evolution and functional diversification of Camellia sinensis LRR-RLKs

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