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The cysteine protease CEP1, a key executor involved in tapetal programmed cell death, regulates pollen development in Arabidopsis.

The Plant cell - 1 Jul 2014

Zhang Dandan, Liu Di, Lv Xiaomeng, Wang Ying, Xun Zhili, Liu Zhixiong, Li Fenglan, Lu Hai

Abstract excerpt

Tapetal programmed cell death (PCD) is a prerequisite for pollen grain development in angiosperms, and cysteine proteases are the most ubiquitous hydrolases involved in plant PCD. We identified a papain-like cysteine protease, CEP1, which is involved in tapetal PCD and pollen development in Arabidopsis thaliana. CEP1 is expressed specifically in the tapetum from stages 5 to 11 of anther development. The CEP1...

Topics

Apoptosis
Arabidopsis
Arabidopsis Proteins
Cell Differentiation
Cysteine Proteases
Flowers
Gene Expression Regulation, Plant
Models, Genetic
Mutation
Plant Infertility
Pollen

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Protein Transport

Time Factors

Vacuoles

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Identifiers

PMID: 25035401
DOI: 10.1105/tpc.114.127282
PMCID: PMC4145124

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