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Mutation of AtPME2, a pH-Dependent Pectin Methylesterase, Affects Cell Wall Structure and Hypocotyl Elongation.

Plant & cell physiology - 15 Feb 2024

Hocq Ludivine, Habrylo Olivier, Sénéchal Fabien, Voxeur Aline, Pau-Roblot Corinne, Safran Josip, Fournet Françoise, Bassard Solène, Battu Virginie, Demailly Hervé, Tovar José C, Pilard Serge, Marcelo Paulo, Savary Brett J, Mercadante Davide, Njo Maria Fransiska, Beeckman Tom, Boudaoud Arezki, Gutierrez Laurent, Pelloux Jérôme, Lefebvre Valérie

Abstract excerpt

Pectin methylesterases (PMEs) modify homogalacturonan's chemistry and play a key role in regulating primary cell wall mechanical properties. Here, we report on Arabidopsis AtPME2, which we found to be highly expressed during lateral root emergence and dark-grown hypocotyl elongation. We showed that dark-grown hypocotyl elongation was reduced in knock-out mutant lines as compared to the control. The latter was...

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Identifiers

PMID: 38190549
DOI: 10.1093/pcp/pcad154

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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