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Article

Overexpression of PhEXPA1 increases cell size, modifies cell wall polymer composition and affects the timing of axillary meristem development in Petunia hybrida.

The New phytologist - 1 Aug 2011

Zenoni Sara, Fasoli Marianna, Tornielli Giovanni Battista, Dal Santo Silvia, Sanson Andrea, de Groot Peter, Sordo Sara, Citterio Sandra, Monti Francesca, Pezzotti Mario

Abstract excerpt

• Expansins are cell wall proteins required for cell enlargement and cell wall loosening during many developmental processes. The involvement of the Petunia hybrida expansin A1 (PhEXPA1) gene in cell expansion, the control of organ size and cell wall polysaccharide composition was investigated by overexpressing PhEXPA1 in petunia plants. • PhEXPA1 promoter activity was evaluated using a promoter-GUS assay and the...

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Identifiers

PMID: 21534969
DOI: 10.1111/j.1469-8137.2011.03726.x

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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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Overexpression of PhEXPA1 increases cell size, modifies cell wall polymer composition and affects the timing of axillary meristem development in Petunia hybrida.PMID 21534969Read ↗

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