ArticlePlant molecular biology2006
Identification and characterization of PiORP1, a Petunia oxysterol-binding-protein related protein involved in receptor-kinase mediated signaling in pollen, and analysis of the ORP gene family in Arabidopsis.
Article in Plant molecular biology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 45 citations in OpenAlex.
- Sterols in plant biologyCell surface (Amsterdam, Netherlands) · 2025Review
- Metabolite and transcriptome reveal the lipid-associated key components and genes regulated by BoORP3a in ornamental kale.Plant molecular biology · 2024Article
- Integrating QTL mapping and transcriptomics to decipher the genetic architecture of sterol metabolism inHorticulture research · 2024Article
- ER-associated VAP27-1 and VAP27-3 proteins functionally link the lipid-binding ORP2A at the ER-chloroplast contact sites.Nature communications · 2024Article
- A century journey of organelles research in the plant endomembrane system.The Plant cell · 2024Review
- Morphology and chemical composition of Taiwan oil millet (Eccoilopus formosanus) epicuticular wax.Planta · 2024Article
- Silencing of GhORP_A02 enhances drought tolerance in Gossypium hirsutum.BMC genomics · 2023Article
- Article
- Membrane contact sites and cytoskeleton-membrane interactions in autophagy.FEBS letters · 2022Review
- Inactivation of BoORP3a, an oxysterol-binding protein, causes a low wax phenotype in ornamental kale.Horticulture research · 2022Article
- Plasma membrane nano-organization specifies phosphoinositide effects on Rho-GTPases and actin dynamics in tobacco pollen tubes.The Plant cell · 2021Article
- Endoplasmic Reticulum-Plasma Membrane Contact Sites: Regulators, Mechanisms, and Physiological Functions.Frontiers in cell and developmental biology · 2021Review
- Coordinated Localization and Antagonistic Function of NtPLC3 and PI4P 5-Kinases in the Subapical Plasma Membrane of Tobacco Pollen Tubes.Plants (Basel, Switzerland) · 2020Article
- Membrane Contact Sites and Organelles Interaction in Plant Autophagy.Frontiers in plant science · 2020Review
- ER-driven membrane contact sites: Evolutionary conserved machineries for stress response and autophagy regulation?Communicative & integrative biology · 2017Review
- Re-analysis of protein data reveals the germination pathway and up accumulation mechanism of cell wall hydrolases during the radicle protrusion step of seed germination in Podophyllum hexandrum- a high altitude plant.Frontiers in plant science · 2015Article
- Interactions between plant endomembrane systems and the actin cytoskeleton.Frontiers in plant science · 2015Review
- Synthesis of hydroxylated sterols in transgenic Arabidopsis plants alters growth and steroid metabolism.Plant physiology · 2011Article
- At the poles across kingdoms: phosphoinositides and polar tip growth.Protoplasma · 2010Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Oxysterol-binding proteins (OSBPs) and oxysterol-binding-protein related proteins (ORPs) are encoded by most eukaryotic genomes examined to date; however, they have not yet been characterized in plants. Here we report the identification and characterization of PiORP1, an ORP of Petunia inflata that interacts with the cytoplasmic kinase domain of a receptor-like kinase, named PRK1, of P. inflata. PiORP1 is phosphorylated by PRK1 in vitro and therefore may be involved in PRK1 signaling during pollen development and growth. RNA gel blot analysis showed that PiORP1 and PRK1 had very similar expression patterns in developing pollen, mature pollen and pollen tubes. GFP fusion proteins of PiORP1 localized in the plasma membrane of pollen tubes at distinct foci and its PH domain alone was sufficient to mediate this localization. The sequence for the oxysterol-binding domain of PiORP1 was used to search the genome of Arabidopsis; 12 ORPs were identified and phylogenetic analysis revealed that they fell into two distinct clades, consistent with the ORPs of other eukaryotes. RT-PCR analysis showed that all 12 Arabidopsis ORPs were expressed; 10 were expressed in most of the tissues examined under normal growth conditions, but only three were expressed in pollen.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.