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Article

Sporophytic ovule tissues modulate the initiation and progression of apomixis in Hieracium.

Journal of experimental botany - 1 May 2012

Tucker Matthew R, Okada Takashi, Johnson Susan D, Takaiwa Fumio, Koltunow Anna M G

Abstract excerpt

Apomixis in Hieracium subgenus Pilosella initiates in ovules when sporophytic cells termed aposporous initial (AI) cells enlarge near sexual cells undergoing meiosis. AI cells displace the sexual structures and divide by mitosis to form unreduced embryo sac(s) without meiosis (apomeiosis) that in...

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PMID: 22378948
DOI: 10.1093/jxb/ers047
PMCID: PMC3350933

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 4 Sept 2026. Prepared record publication-22378948-2026-09-04.2. Manifest publication-graph-cohort-2026-09-04.2.

Source receipt: PubMed via Helena Literature Corpus, retrieved 4 Sept 2026.

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