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Article

The mitochondrial aldehyde dehydrogenase OsALDH2b negatively regulates tapetum degeneration in rice.

Journal of experimental botany - 9 May 2020

Xie Xianrong, Zhang Zixu, Zhao Zhe, Xie Yongyao, Li Heying, Ma Xingliang, Liu Yao-Guang, Chen Letian

Abstract excerpt

Timely degradation of anther tapetal cells is a prerequisite for normal pollen development in flowering plants. Although several genes involved in tapetum development have been identified, the molecular basis of tapetum degeneration regulation remains poorly understood. In this study, we identified and characterized the nucleus-encoded, conserved mitochondrial aldehyde dehydrogenase OsALDH2b as a key regulator of...

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Identifiers

PMID: 31989154
DOI: 10.1093/jxb/eraa045
PMCID: PMC7210758

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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The mitochondrial aldehyde dehydrogenase OsALDH2b negatively regulates tapetum degeneration in rice.PMID 31989154Read ↗

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

Abnormal meiocytes and tapetum 1 (OsAMT1) is essential for proper meiosis and tapetal development in rice.Semantic proximity Read ↗

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

bHLH142 regulates various metabolic pathway-related genes to affect pollen development and anther dehiscence in rice.Semantic proximity Read ↗

EAT1 promotes tapetal cell death by regulating aspartic proteases during male reproductive development in rice.Semantic 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 ↗

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

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

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

Rice APOPTOSIS INHIBITOR5 coupled with two DEAD-box adenosine 5'-triphosphate-dependent RNA helicases regulates tapetum degeneration.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 OsMYB103-OsGLOX5 module regulates tapetum degradation and male fertility in rice.Semantic proximity Read ↗

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