Small but powerful: RALF peptides in plant adaptive and developmental responses

Liu, Lining; Liu, Xing; Bai, Zhenkun; Tanveer, Mohsin; Zhang, Yujing; Chen, Wenjie; Shabala, Sergey; Huang, Liping

doi:10.1016/j.plantsci.2024.112085

Cited by 2 publications

(1 citation statement)

References 146 publications

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“…The RALF peptides were shown to be involved in immune response across different plant lineages (Y.-H. He et al, 2023; Mamaeva et al, 2023; Slezina et al, 2021; Wolf & Höfte, 2014). We found both up-regulated and down-regulated RALF genes in pathogen-induced transcriptomes, which is consistent with previous results showing different roles of different members of RALFs in modulating plant immunity (Y.-H. He et al, 2023; L. Liu et al, 2024; Mamaeva et al, 2023; Stegmann et al, 2017).…”

Section: Discussionsupporting

confidence: 92%

Comparative Analysis of Small Secreted Peptide Signaling during Defense Response: Insights from Vascular and Non-Vascular Plants

Lyapina,

Ganaeva,

Rogozhin

et al. 2024

Preprint

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Peptides play a crucial role in regulating plant responses to stress conditions. Small secreted peptides (SSPs) are known to be involved in immune response and are found in all land plants. However, the evolution of stress peptide signaling remains poorly understood. Here, we compared the pathogen-induced transcriptomes of the moss Physcomitrium patens, Zea mays, Brassica napus, and Solanum tuberosum to gain insight into the role of established SSP families from vascular and non-vascular plants in immune response. We identified 50, 76, 135, and 309 known SSP genes, differentially expressed during infection, in P. patens, S. tuberosum, Z. mays, and B. napus, respectively. In addition, a novel family of bryophyte-specific PSY-like peptides that are differentially regulated under infection was identified. The similarity of SSPs across the examined plant species was validated through a comparative analysis of peptide motifs and predicted three-dimensional structures. However, despite the similar patterns of antimicrobial peptide expression, only the RALF peptide family was differentially regulated under infection in both vascular and non-vascular plants. We also found that EPFL peptides, which are involved in growth and development processes in angiosperms, were differentially regulated in P. patens in response to pathogen infection. Thus, our study showed the complex nature of SSP signaling and shed light on the regulation of SSPs in different plant lineages during infection.

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Section: Discussionsupporting

confidence: 92%

Comparative Analysis of Small Secreted Peptide Signaling during Defense Response: Insights from Vascular and Non-Vascular Plants

Lyapina,

Ganaeva,

Rogozhin

et al. 2024

Preprint

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Comprehensive identification of GASA genes in sunflower and expression profiling in response to drought

Ullah,

Ahmed,

AlHusnain

et al. 2024

BMC Genomics

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Drought stress poses a critical threat to global crop yields and sustainable agriculture. The GASA genes are recognized for their pivotal role in stress tolerance and plant growth, but little is known about how they function in sunflowers. The investigation aimed to identify and elucidate the role of HaGASA genes in conferring sunflowers with drought tolerance. Twenty-seven different HaGASA gene family members were found in this study that were inconsistently located across eleven sunflower chromosomes. Phylogeny analysis revealed that the sunflower HaGASA genes were divided into five subgroups by comparing GASA genes with those from Arabidopsis, peanut, and soybean, with members within each subgroup displaying similar conserved motifs and gene structures. In-silico evaluation of cis-regulatory elements indicated the existence of specific elements associated with stress-responsiveness being the most abundant, followed by hormone, light, and growth-responsive elements. Transcriptomic data from the NCBI database was utilized to assess the HaGASA genes expression profile in different sunflower varieties under drought conditions. The HaGASA genes expression across ten sunflower genotypes under drought stress, revealed 14 differentially expressed HaGASA genes, implying their active role in the plant’s stress response. The expression in different organs revealed that HaGASA2 , HaGASA11 , HaGASA17 , HaGASA19 , HaGASA21 and HaGASA26 displayed maximum expression in the stem. Our findings implicate HaGASA genes in mediating sunflower growth maintenance and adaptation to abiotic stress, particularly drought. The findings, taken together, provided a basic understanding of the structure and potential functions of HaGASA genes, setting the framework for further functional investigations into their roles in drought stress mitigation and crop improvement strategies. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-024-10860-8.

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Small but powerful: RALF peptides in plant adaptive and developmental responses

Cited by 2 publications

References 146 publications

Comparative Analysis of Small Secreted Peptide Signaling during Defense Response: Insights from Vascular and Non-Vascular Plants

Comparative Analysis of Small Secreted Peptide Signaling during Defense Response: Insights from Vascular and Non-Vascular Plants

Comprehensive identification of GASA genes in sunflower and expression profiling in response to drought

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