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Article

Selective nucleolus organizer inactivation in Arabidopsis is a chromosome position-effect phenomenon.

Proceedings of the National Academy of Sciences of the United States of America - 22 Nov 2016

Mohannath Gireesha, Pontvianne Frederic, Pikaard Craig S

Abstract excerpt

Nucleolus organizer regions (NORs) are chromosomal loci where hundreds of rRNA genes are clustered. Despite being nearly identical in sequence, specific rRNA genes are selected for silencing during development via choice mechanism(s) that remain unclear. In Arabidopsis thaliana, rRNA gene subtypes that are silenced during development were recently mapped to the NOR on chromosome 2, NOR2, whereas active rRNA genes...

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Share to Chromosomes, Plant
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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 27821753
DOI: 10.1073/pnas.1608140113
PMCID: PMC5127337

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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