ArticlePlant signaling & behavior2015
A VAMP-associated protein, PVA31 is involved in leaf senescence in Arabidopsis.
Article in Plant signaling & behavior, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 21 citations in OpenAlex.
- A pangenome-based approach reveals genes associated with polyploidy and apomixis in Eragrostis curvula.The plant genome · 2026Article
- Know when and how to die: gaining insights into the molecular regulation of leaf senescence.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Review
- Genome-Wide Identification and Expression Analysis of SNARE Genes inPlants (Basel, Switzerland) · 2022Article
- New Advances in the Regulation of Leaf Senescence by Classical and Peptide Hormones.Frontiers in plant science · 2022Review
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- The Evolutionary History of Ephs and Ephrins: Toward Multicellular Organisms.Molecular biology and evolution · 2020Article
- Glycosylphosphatidylinositol-Anchored Proteins inFrontiers in plant science · 2019Review
- Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
VAMP-associated proteins (VAPs) are highly conserved among eukaryotes. Here, we report a functional analysis of one of the VAPs, PVA31, and demonstrate its novel function on leaf senescence in Arabidopsis. The expression of PVA31 is highly induced in senescence leaves, and localizes to the plasma membrane as well as the ARA7-positive endosomes. Yeast two-hybrid analysis demonstrates that PVA31 is interacted with the plasma membrane localized-VAMP proteins, VAMP721/722/724 but not with the endosome-localized VAMPs, VAMP711 and VAMP727, indicating that PVA31 is associated with VAMP721/722/724 on the plasma membrane. Strong constitutive expression of PVA31 under the control of the Cauliflower mosaic virus 35S promoter induces the typical symptom of leaf senescence earlier than WT in normal growth and an artificially induced senescence conditions. In addition, the marker genes for the SA-mediated signaling pathways, PR-1, is promptly expressed with elicitor application. These data indicate that PVA31-overexpressing plants exhibit the early senescence phenotype in their leaves, and suggest that PVA31 is involved in the SA-mediated programmed cell death process during leaf senescence and PR-protein secretion during pathogen infection in Arabidopsis.
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