ArticlePlant physiology2004
RHM2 is involved in mucilage pectin synthesis and is required for the development of the seed coat in Arabidopsis.
Article in Plant physiology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.
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52 citing papers in PubMed, 143 citations in OpenAlex.
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- Seed coating with phages for sustainable plant biocontrol of plant pathogens and influence of the seed coat mucilage.Microbial biotechnology · 2024Article
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- The cotton pectin methyl esterase gene GhPME21 functions in microspore development and fertility in Gossypium hirsutum L.Plant molecular biology · 2023Article
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- A DE1 BINDING FACTOR 1-GLABRA2 module regulates rhamnogalacturonan I biosynthesis in Arabidopsis seed coat mucilage.The Plant cell · 2022Article
- A natural mutation of theHorticulture research · 2022Article
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- Protocols for isolating and characterizing polysaccharides from plant cell walls: a case study using rhamnogalacturonan-II.Biotechnology for biofuels · 2021Article
- A simple, non-toxic method for separating seeds based on density, and its application in isolatingApplications in plant sciences · 2020Article
- Natural Variation Reveals a Key Role for Rhamnogalacturonan I in Seed Outer Mucilage and Underlying Genes.Plant physiology · 2019Article
- Tubby-like Protein 2 regulates homogalacturonan biosynthesis in Arabidopsis seed coat mucilage.Plant molecular biology · 2019Article
- A Network-Guided Genetic Approach to Identify Novel Regulators of Adventitious Root Formation inFrontiers in plant science · 2019Article
- TRM4 is essential for cellulose deposition in Arabidopsis seed mucilage by maintaining cortical microtubule organization and interacting with CESA3.The New phytologist · 2019Article
- Identification of Key Enzymes for Pectin Synthesis in Seed Mucilage.Plant physiology · 2018Article
- Site-specific phosphorylation of TRANSPARENT TESTA GLABRA1 mediates carbon partitioning in Arabidopsis seeds.Nature communications · 2018Article
- MuSeeQ, a novel supervised image analysis tool for the simultaneous phenotyping of the soluble mucilage and seed morphometric parameters.Plant methods · 2018Article
- Identification of a seed coat-specific promoter fragment from the Arabidopsis MUCILAGE-MODIFIED4 gene.Plant molecular biology · 2017Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pectins are major components of primary plant cell walls and the seed mucilage of Arabidopsis. Despite progress in the structural elucidation of pectins, only very few enzymes participating in or regulating their synthesis have been identified. A first candidate gene involved in the synthesis of pectinaceous rhamnogalacturonan I is RHM2, a putative plant ortholog to NDP-rhamnose biosynthetic enzymes in bacteria. Expression studies with a promoter beta-glucuronidase construct and reverse transcription PCR data show that RHM2 is expressed ubiquitously. Rhm2 T-DNA insertion mutant lines were identified using a reverse genetics approach. Analysis of the rhm2 seeds by various staining methods and chemical analysis of the mucilage revealed a strong reduction of rhamnogalacturonan I in the mucilage and a decrease of its molecular weight. In addition, scanning electron microscopy of the seed surface indicated a distorted testa morphology, illustrating not only a structural but also a developmental role for RGI or rhamnose metabolism in proper testa formation.
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