Article
Downregulation of the Petunia hybrida alpha-expansin gene PhEXP1 reduces the amount of crystalline cellulose in cell walls and leads to phenotypic changes in petal limbs.
The Plant cell - 1 Feb 2004
Zenoni Sara, Reale Lara, Tornielli Giovanni Battista, Lanfaloni Luisa, Porceddu Andrea, Ferrarini Alberto, Moretti Chiaraluce, Zamboni Anita, Speghini Adolfo, Ferranti Francesco, Pezzotti Mario
Abstract excerpt
The expansins comprise a family of proteins that appear to be involved in the disruption of the noncovalent bonds between cellulose microfibrils and cross-linking glycans, thereby promoting wall creep. To understand better the expansion process in Petunia hybrida (petunia) flowers, we isolated a cDNA corresponding to the PhEXP1 alpha-expansin gene of P. hybrida. Evaluation of the tissue specificity and temporal...
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