ArticlePlant physiology2013
Collapsed abnormal pollen1 gene encoding the Arabinokinase-like protein is involved in pollen development in rice.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 52 citations in OpenAlex.
- CRISPR-driven innovations in rice (Oryza sativa L.) breeding: precision development of male sterile lines.Molecular biology reports · 2025Review
- Genetic and molecular mechanisms underlying the male sterility in rice.Journal of applied genetics · 2025Review
- BOTRYOID POLLEN 1 regulates ROS-triggered PCD and pollen wall development by controlling UDP-sugar homeostasis in rice.The Plant cell · 2023Article
- Article
- The hydroxyproline O-arabinosyltransferase FIN4 is required for tomato pollen intine development.Plant reproduction · 2023Article
- POLLEN WALL ABORTION 1 is essential for pollen wall development in rice.Plant physiology · 2022Article
- Mapping QTLs for Reproductive Stage Salinity Tolerance in Rice Using a Cross between Hasawi and BRRI dhan28.International journal of molecular sciences · 2022Article
- Combined analysis of transcriptome and metabolome reveals that sugar, lipid, and phenylpropane metabolism are essential for male fertility in temperature-induced male sterile rice.Frontiers in plant science · 2022Article
- Arabidopsis Novel Microgametophyte Defective Mutant 1 Is Required for Pollen ViabilityFrontiers in plant science · 2022Article
- Hydroxyproline-Frontiers in plant science · 2022Article
- Exploiting Genic Male Sterility in Rice: From Molecular Dissection to Breeding Applications.Frontiers in plant science · 2021Review
- Transcriptome Analysis Reveals Photoperiod-Associated Genes Expressed in Rice Anthers.Frontiers in plant science · 2021Article
- OsMYB80 Regulates Anther Development and Pollen Fertility by Targeting Multiple Biological Pathways.Plant & cell physiology · 2020Article
- Article
- Wheat TaMs1 is a glycosylphosphatidylinositol-anchored lipid transfer protein necessary for pollen development.BMC plant biology · 2018Article
- The ATP-binding cassette (ABC) transporter OsABCG3 is essential for pollen development in rice.Rice (New York, N.Y.) · 2018Article
- Sugar Transporter STP7 Specificity for l-Arabinose and d-Xylose Contrasts with the Typical Hexose Transporters STP8 and STP12.Plant physiology · 2018Article
- Metabolism of L-arabinose in plants.Journal of plant research · 2016Review
- The Rice Eukaryotic Translation Initiation Factor 3 Subunit f (OseIF3f) Is Involved in Microgametogenesis.Frontiers in plant science · 2016Article
- ATP binding cassette G transporters and plant male reproduction.Plant signaling & behavior · 2016Review
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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
We isolated a pollen-defective mutant, collapsed abnormal pollen1 (cap1), from Tos17 insertional mutant lines of rice (Oryza sativa). The cap1 heterozygous plant produced equal numbers of normal and collapsed abnormal grains. The abnormal pollen grains lacked almost all cytoplasmic materials, nuclei, and intine cell walls and did not germinate. Genetic analysis of crosses revealed that the cap1 mutation did not affect female reproduction or vegetative growth. CAP1 encodes a protein consisting of 996 amino acids that showed high similarity to Arabidopsis (Arabidopsis thaliana) l-arabinokinase, which catalyzes the conversion of l-arabinose to l-arabinose 1-phosphate. A wild-type genomic DNA segment containing CAP1 restored mutants to normal pollen grains. During rice pollen development, CAP1 was preferentially expressed in anthers at the bicellular pollen stage, and the effects of the cap1 mutation were mainly detected at this stage. Based on the metabolic pathway of l-arabinose, cap1 pollen phenotype may have been caused by toxic accumulation of l-arabinose or by inhibition of cell wall metabolism due to the lack of UDP-l-arabinose derived from l-arabinose 1-phosphate. The expression pattern of CAP1 was very similar to that of another Arabidopsis homolog that showed 71% amino acid identity with CAP1. Our results suggested that CAP1 and related genes are critical for pollen development in both monocotyledonous and dicotyledonous plants.
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