Bioinformatic and Phenotypic Analysis of AtPCP-Ba Crucial for Silique Development in Arabidopsis

Silique development exerts significant impacts on crop yield. CRPs (Cysteine-rich peptides) can mediate cell-cell communication during plant reproduction and development. However, the functional characterization and regulatory mechanisms of CRPs in silique development remain unclear. In this study,...

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Published in:Plants (Basel) 2024-09, Vol.13 (18), p.2614
Main Authors: Chen, Guangxia, Wu, Xiaobin, Zhu, Ziguo, Li, Tinggang, Tang, Guiying, Liu, Li, Wu, Yusen, Ma, Yujiao, Han, Yan, Liu, Kai, Han, Zhen, Li, Xiujie, Yang, Guowei, Li, Bo
Format: Article
Language:English
Subjects:
Amino acids
Analysis
Arabidopsis
Arabidopsis thaliana
bioinformatic analysis
Brassica
Brassica napus
Buds
Cell division
Cell interactions
Coat protein
Crop yield
Crop yields
CRPs
Cysteine
DNA microarrays
Flowers
Flowers & plants
Genes
Genetic engineering
Hydration
Kinases
Morphology
Peptides
Plant layout
Plant reproduction
Plants (botany)
Pollen
Protein B
Proteins
Rape plants
Regulatory mechanisms (biology)
signal pathway
Signal transduction
silique width
Subgroups
TPD1
Transcription factors
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Summary:Silique development exerts significant impacts on crop yield. CRPs (Cysteine-rich peptides) can mediate cell-cell communication during plant reproduction and development. However, the functional characterization and regulatory mechanisms of CRPs in silique development remain unclear. In this study, we identified many CRP genes downstream of the CRP gene during silique development using a microarray assay. The novel pollen-borne CRPs, the PCP-Bs (for pollen coat protein B-class) gene , along with , are essential for silique development. The was significantly down-regulated in flower buds but up-regulated in flower buds and siliques. The silencing of compromised the wider silique of plants and inhibited the morphology of siliques to the size observed in the wild type. A total of 258 CRPs were identified with the bioinformatic analysis in , , , , , and . Based on the evolutionary tree classification, all CRP members can be categorized into five subgroups. Notably, 107 CRP genes were predicted to exhibit abundant expression in flowers and fruits. Most cysteine-rich peptides exhibited high expression levels in and . These findings suggested the involvement of the CRP in the signaling pathway, thereby regulating silique development in .
ISSN:2223-7747
2223-7747
DOI:10.3390/plants13182614