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OsLDDT1, encoding a transmembrane structural DUF726 family protein, is essential for tapetum degradation and pollen formation in rice.

Plant science : an international journal of experimental plant biology - 1 Apr 2023

Sun Zhihao, Liu Keke, Chen Chi, Chen Daibo, Peng Zequn, Zhou Ran, Liu Ling, He Dengmei, Duan Wenjing, Chen Hongmei, Huang Chenbo, Ruan Zheyan, Zhang Yingxin, Cao Liyong, Zhan Xiaodeng, Cheng Shihua, Sun Lianping

Abstract excerpt

Formation of the pollen wall, which is mainly composed of lipid substances secreted by tapetal cells, is important to ensure pollen development in rice. Although several regulatory factors related to lipid biosynthesis during pollen wall formation have been identified in rice, the molecular mechanisms controlling lipid biosynthesis are unclear. In this study, we isolated the male-sterile rice mutant oslddt1...

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PMID: 36657664
DOI: 10.1016/j.plantsci.2023.111596

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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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OsLDDT1, encoding a transmembrane structural DUF726 family protein, is essential for tapetum degradation and pollen formation in rice.PMID 36657664Read ↗

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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 ↗

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

An ABC transporter, OsABCG26, is required for anther cuticle and pollen exine formation and pollen-pistil interactions in rice.Semantic proximity Read ↗

A Rice Ca2+ Binding Protein Is Required for Tapetum Function and Pollen Formation.Semantic proximity Read ↗

Secretory lipid transfer protein OsLTPL94 acts as a target of EAT1 and is required for rice pollen wall development.Semantic proximity Read ↗

Tapetum degeneration retardation is critical for aliphatic metabolism and gene regulation during rice pollen development.Semantic proximity Read ↗

A β-ketoacyl-CoA synthase encoded by DDP1 controls rice anther dehiscence and pollen fertility by maintaining lipid homeostasis in the tapetum.Semantic proximity Read ↗

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

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

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