ArticleJournal of experimental botany2015
Rab geranylgeranyl transferase β subunit is essential for male fertility and tip growth in Arabidopsis.
Article in Journal of experimental botany, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 32 citations in OpenAlex.
- Farnesol and geranylgeraniol in plant reproduction: insights from Arabidopsis and beyond.Journal of experimental botany · 2026Review
- Unveiling core genomic regions shaping plant architecture, productivity, and seed quality traits in sesame (Sesamum indicum L.): insights from Meta-QTL study into breeding targets.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Rab geranylgeranyl transferase activity is required for proper sterol biosynthesis in Arabidopsis thaliana.Plant & cell physiology · 2026Article
- The TRAPPC8/TRS85 subunit of the Arabidopsis TRAPPIII tethering complex regulates endoplasmic reticulum function and autophagy.Plant physiology · 2025Article
- Pollen transcriptomic analysis provided insights into understanding the molecular mechanisms underlying grafting-induced improvement in potato fertility.Frontiers in plant science · 2024Article
- Screening of Differentially Expressed Genes and Localization Analysis of Female Gametophyte at the Free Nuclear Mitosis Stage inInternational journal of molecular sciences · 2022Article
- Impact of C-terminal truncations in the Arabidopsis Rab escort protein (REP) on REP-Rab interaction and plant fertility.The Plant journal : for cell and molecular biology · 2021Article
- The Rab Geranylgeranyl Transferase Beta Subunit Is Essential for Embryo and Seed Development inInternational journal of molecular sciences · 2021Article
- Signalling Pinpointed to the Tip: The Complex Regulatory Network That Allows Pollen Tube Growth.Plants (Basel, Switzerland) · 2020Review
- Functional Gene Network of Prenyltransferases inMolecules (Basel, Switzerland) · 2019Review
- Protein Prenylation in Plant Stress Responses.Molecules (Basel, Switzerland) · 2019Review
- Importance of organellar proteins, protein translocation and vesicle transport routes for pollen development and function.Plant reproduction · 2016Review
- Male functions and malfunctions: the impact of phosphoinositides on pollen development and pollen tube growth.Plant reproduction · 2016Review
- Arabidopsis Rab Geranylgeranyltransferases Demonstrate Redundancy and Broad Substrate Specificity in Vitro.The Journal of biological chemistry · 2016Article
- POLYPRENOL REDUCTASE2 Deficiency Is Lethal in Arabidopsis Due to Male Sterility.The Plant cell · 2015Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rab proteins, key players in vesicular transport in all eukaryotic cells, are post-translationally modified by lipid moieties. Two geranylgeranyl groups are attached to the Rab protein by the heterodimeric enzyme Rab geranylgeranyl transferase (RGT) αβ. Partial impairment in this enzyme activity in Arabidopsis, by disruption of the AtRGTB1 gene, is known to influence plant stature and disturb gravitropic and light responses. Here it is shown that mutations in each of the RGTB genes cause a tip growth defect, visible as root hair and pollen tube deformations. Moreover, FM 1-43 styryl dye endocytosis and recycling are affected in the mutant root hairs. Finally, it is demonstrated that the double mutant, with both AtRGTB genes disrupted, is non-viable due to absolute male sterility. Doubly mutated pollen is shrunken, has an abnormal exine structure, and shows strong disorganization of internal membranes, particularly of the endoplasmic reticulum system.
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Registered trials
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.