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POLLEN STERILITY, a novel suppressor of cell division, is required for timely tapetal programmed cell death in rice.

Science China. Life sciences - 1 Jun 2022

Che Ronghui, Hu Bin, Wang Wei, Xiao Yunhua, Liu Dapu, Yin Wenchao, Tong Hongning, Chu Chengcai

Abstract excerpt

Timely programmed cell death (PCD) of the tapetum supplying nutrients to microspores is a prerequisite for normal pollen development. Here we identified a unique mutant of rice (Oryza sativa L.), pollen sterility (post), which showed aborted pollens accompanied with extra-large husks. Due to failure of timely PCD of tapetal cells, post exhibited abnormal pollen wall patterning and defective pollen grains. By...

Topics

Apoptosis
Cell Division
Flowers
Gene Expression Regulation, Plant
Infertility
Mutation
Oryza
Plant Proteins
Pollen

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Identifiers

PMID: 34767152
DOI: 10.1007/s11427-021-2011-2

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 31 Aug 2026.

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POLLEN STERILITY, a novel suppressor of cell division, is required for timely tapetal programmed cell death in rice.PMID 34767152Read ↗

PERSISTENT TAPETAL CELL1 encodes a PHD-finger protein that is required for tapetal cell death and pollen development in rice.Semantic proximity Read ↗

PERSISTENT TAPETAL CELL2 Is Required for Normal Tapetal Programmed Cell Death and Pollen Wall Patterning.Semantic proximity Read ↗

Identification of the new allele ptc1-2 and analysis of the regulatory role of PTC1 gene in rice anther development.Semantic proximity Read ↗

The rice tapetum degeneration retardation gene is required for tapetum degradation and anther development.Semantic proximity Read ↗

POLLEN WALL ABORTION 1 is essential for pollen wall development in rice.Semantic proximity Read ↗

Abnormal Degraded Tapetum 1 (ADT1) is required for tapetal cell death and pollen development in rice.Semantic proximity Read ↗

Sporophytic control of tapetal development and pollen fertility by a mitogen-activated protein kinase cascade in rice.Semantic proximity Read ↗

Defective Tapetum Cell Death 1 (DTC1) Regulates ROS Levels by Binding to Metallothionein during Tapetum Degeneration.Semantic proximity Read ↗

Analysis of anther transcriptomes to identify genes contributing to meiosis and male gametophyte development in riceSemantic proximity Read ↗

Cytological and transcriptome analyses reveal OsPUB73 defect affects the gene expression associated with tapetum or pollen exine abnormality in rice.Semantic proximity Read ↗

Sporophytic control of anther development and male fertility by glucose-6-phosphate/phosphate translocator 1 (OsGPT1) in rice.Semantic proximity Read ↗

The rice gene DEFECTIVE TAPETUM AND MEIOCYTES 1 (DTM1) is required for early tapetum development and meiosis.Semantic proximity Read ↗

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