Nurse cell–derived small RNAs define paternal epigenetic inheritance in Arabidopsis | Zendy

Jincheng Long | Zendy; James W. Walker | Zendy; Wenjing She | Zendy; Billy Aldridge | Zendy; Hongbo Gao | Zendy; Samuel Deans | Zendy; Martin Vickers | Zendy; Xiaoqi Feng | Zendy

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Nurse cell–derived small RNAs define paternal epigenetic inheritance in Arabidopsis

Author(s) -

Jincheng Long,

James W. Walker,

Wenjing She,

Billy Aldridge,

Hongbo Gao,

Samuel Deans,

Martin Vickers,

Xiaoqi Feng

Publication year - 2021

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.abh0556

Subject(s) - germline , piwi interacting rna , biology , transposable element , genetics , genome , epigenetics , germ cell , dna methylation , arabidopsis , rna directed dna methylation , gene , mutant , gene expression

Germline defense against transposons Genomes of germ cells present an existential vulnerability to organisms because germ cell mutations will propagate to future generations. Transposable elements are one source of such mutations. In the small flowering plantArabidopsis , Longet al. found that genome methylation in the male germline is directed by small interfering RNAs (siRNAs) imperfectly transcribed from transposons (see the Perspective by Mosher). These germline siRNAs silence germline transposons and establish inherited methylation patterns in sperm, thus maintaining the integrity of the plant genome across generations.Science , abh0556, this issue p.eabh0556 ; see also abj5020, p.26

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