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Article

The RPN5 subunit of the 26s proteasome is essential for gametogenesis, sporophyte development, and complex assembly in Arabidopsis.

The Plant cell - 1 Feb 2009

Book Adam J, Smalle Jan, Lee Kwang-Hee, Yang Peizhen, Walker Joseph M, Casper Sarah, Holmes James H, Russo Laura A, Buzzinotti Zachri W, Jenik Pablo D, Vierstra Richard D

Abstract excerpt

The 26S proteasome is an essential multicatalytic protease complex that degrades a wide range of intracellular proteins, especially those modified with ubiquitin. Arabidopsis thaliana and other plants use pairs of genes to encode most of the core subunits, with both of the isoforms often incorpor...

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Identifiers

PMID: 19252082
DOI: 10.1105/tpc.108.064444
PMCID: PMC2660617

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 2 Sept 2026. Prepared record publication-19252082-2026-09-02.2. Manifest publication-graph-cohort-2026-09-02.2.

Source receipt: PubMed via Helena Literature Corpus, retrieved 2 Sept 2026.

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The RPN5 subunit of the 26s proteasome is essential for gametogenesis, sporophyte development, and complex assembly in Arabidopsis.PMID 19252082Read ↗

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Arabidopsis RPT2a encoding the 26S proteasome subunit is required for various aspects of root meristem maintenance, and regulates gametogenesis redundantly with its homolog, RPT2b.Semantic proximity Read ↗

Purification of the Arabidopsis 26 S proteasome: biochemical and molecular analyses revealed the presence of multiple isoforms.Semantic proximity Read ↗

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Rpn5 is a conserved proteasome subunit and required for proper proteasome localization and assembly.Semantic proximity Read ↗

Loss of 26S proteasome function leads to increased cell size and decreased cell number in Arabidopsis shoot organs.Semantic proximity Read ↗

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