ArticlePlanta2021
Characterization of the pectin methylesterase inhibitor gene family in Rosaceae and role of PbrPMEI23/39/41 in methylesterified pectin distribution in pear pollen tube.
Article in Planta, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 16 citations in OpenAlex.
- Pectin dynamics of alfalfa pollen tube elongation in response to low boron based on proteomics.BMC plant biology · 2026Article
- Investigation of Reference Genes for qRT-PCR and ARF Gene Family inPlants (Basel, Switzerland) · 2026Article
- Two independent origins of XY sex chromosomes in Asparagus.Molecular biology and evolution · 2026Article
- PbrBGAL6 promotes pollen tube growth by influencing apical pectin level in Pyrus bretschneideri.BMC genomics · 2025Article
- Genome-wide identification and characterization of pectin methylesterase inhibitor gene family members related to abiotic stresses in watermelon.Frontiers in plant science · 2024Article
- Article
- Genome-Wide Identification and Analysis of theInternational journal of molecular sciences · 2022Article
- Low Concentration of Aluminum-Stimulated Pollen Tube Growth of Apples (Plants (Basel, Switzerland) · 2022Article
- Genome-Wide Identification of theFrontiers in plant science · 2021Article
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Authors and funding
11 authors at 1 institution in 1 country.
Funding
Abstract
MAIN
conclusionPectin methylesterase inhibitor gene family in the seven Rosaceae species (including three pear cultivars) is characterized and three pectin methylesterase inhibitor genes are identified to regulate pollen tube growth in pear. Pectin methylesterase inhibitor (PMEI) participates in a variety of biological processes in plants. However, the information and function of PMEI genes in Rosaceae are largely unknown. In this study, a total of 423 PMEI genes are identified in the genomes of seven Rosaceae species. The PMEI genes in pear are categorized into five subfamilies based on structural analysis and evolutionary analysis. WGD and TD are the main duplication events in the PMEI gene family of pear. Quantitative real-time PCR analysis indicates that PbrPMEI23, PbrPMEI39, and PbrPMEI41 are increasingly expressed during pear pollen tube growth. Under the treatment of recombinant proteins PbrPMEI23, PbrPMEI39 or PbrPMEI41, the content of methylesterified pectin at the region 5-20 μm from the pollen tube tip significantly increases, and the growth of pear pollen tubes is promoted. These results indicate that PMEI regulates the growth of pollen tubes by changing the distribution of methylesterified pectin in the apex.
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