ArticlePlant cell reports2014
OsABCG15 encodes a membrane protein that plays an important role in anther cuticle and pollen exine formation in rice.
Article in Plant cell reports, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed, 75 citations in OpenAlex.
- Anther middle layer fatty acid synthesis is essential for pollen development and fertility restoration at low temperature in Arabidopsis.Plant physiology · 2026Article
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- Genetic and molecular mechanisms underlying the male sterility in rice.Journal of applied genetics · 2025Review
- A β-ketoacyl-CoA synthase encoded by DDP1 controls rice anther dehiscence and pollen fertility by maintaining lipid homeostasis in the tapetum.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- OsSNDP4, a Sec14-nodulin Domain Protein, is Required for Pollen Development in Rice.Rice (New York, N.Y.) · 2024Article
- TheProceedings of the National Academy of Sciences of the United States of America · 2024Article
- bHLH-regulated routes in anther development in rice and Arabidopsis.Genetics and molecular biology · 2024Article
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- BOTRYOID POLLEN 1 regulates ROS-triggered PCD and pollen wall development by controlling UDP-sugar homeostasis in rice.The Plant cell · 2023Article
- Triphasic regulation of ZmMs13 encoding an ABCG transporter is sequentially required for callose dissolution, pollen exine and anther cuticle formation in maize.Journal of advanced research · 2023Article
- Cytological Analysis and Fine Mapping of paa1 (Post-meiosis Abnormal Anther 1) Mutant with Abnormal Tapetum and Microspore Development.Biochemical genetics · 2022Article
- SWOLLEN TAPETUM AND STERILITY 1 is required for tapetum degeneration and pollen wall formation in rice.Plant physiology · 2022Article
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- Preliminary Identification of Key Genes Controlling Peach Pollen Fertility Using Genome-Wide Association Study.Plants (Basel, Switzerland) · 2021Article
- OsMS188 Is a Key Regulator of Tapetum Development and Sporopollenin Synthesis in Rice.Rice (New York, N.Y.) · 2021Article
- Use of RNAi WithFrontiers in plant science · 2021Article
- Transcriptome Analysis Reveals Photoperiod-Associated Genes Expressed in Rice Anthers.Frontiers in plant science · 2021Article
- Exploiting Genic Male Sterility in Rice: From Molecular Dissection to Breeding Applications.Frontiers in plant science · 2021Review
- Cytological and transcriptome analyses reveal OsPUB73 defect affects the gene expression associated with tapetum or pollen exine abnormality in rice.BMC plant biology · 2019Article
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Authors and funding
13 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageAn ABC transporter gene ( OsABCG15 ) was proven to be involved in pollen development in rice. The corresponding protein was localized on the plasma membrane using subcellular localization. Wax, cutin, and sporopollenin are important for normal development of the anther cuticle and pollen exine, respectively. Their lipid soluble precursors, which are produced in the tapetum, are then secreted and transferred to the anther and microspore surface for polymerization. However, little is known about the mechanisms underlying the transport of these precursors. Here, we identified and characterized a member of the G subfamily of ATP-binding cassette (ABC) transporters, OsABCG15, which is required for the secretion of these lipid-soluble precursors in rice. Using map-based cloning, we found a spontaneous A-to-C transition in the fourth exon of OsABCG15 that caused an amino acid substitution of Thr-to-Pro in the predicted ATP-binding domain of the protein sequence. This osabcg15 mutant failed to produce any viable pollen and was completely male sterile. Histological analysis indicated that osabcg15 exhibited an undeveloped anther cuticle, enlarged middle layer, abnormal Ubisch body development, tapetum degeneration with a falling apart style, and collapsed pollen grains without detectable exine. OsABCG15 was expressed preferentially in the tapetum, and the fused GFP-OsABCG15 protein was localized to the plasma membrane. Our results suggested that OsABCG15 played an essential role in the formation of the rice anther cuticle and pollen exine. This role may include the secretion of the lipid precursors from the tapetum to facilitate the transfer of precursors to the surface of the anther epidermis as well as to microspores.
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