Expression profiling of tomato pre-abscission pedicels provides insights into abscission zone properties including competence to respond to abscission signals
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چکیده
منابع مشابه
Silencing polygalacturonase expression inhibits tomato petiole abscission.
Virus-induced gene silencing (VIGS) was used as a tool for functional analysis of cell wall-associated genes that have been suggested to be involved in leaf abscission. Tobacco rattle virus is an effective vector for VIGS in tomato (Lycopersicon esculentum). Silencing was more efficient when the plants were grown at 22 degrees C than when they were grown at 20 degrees C or 25 degrees C. The pho...
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The abscission process is initiated by changes in the auxin gradient across the abscission zone (AZ) and is triggered by ethylene. Although changes in gene expression have been correlated with the ethylene-mediated execution of abscission, there is almost no information on the molecular and biochemical basis of the increased AZ sensitivity to ethylene. We examined transcriptome changes in the t...
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Peroxidase activity and localization in the abscission zone of bean leaves were studied histochemically and by gel electrophoresis. Deblading of bean leaves resulted in an increase in peroxidase activity in the abscission zone 2 to 4 days after deblading with highest activity just prior to separation. In debladed plants, the cell division in six to eight layers of cells preceded separation. An ...
متن کاملPedicel breakstrength and cellulase gene expression during tomato flower abscission.
Six cellulase genes were isolated from total RNA of the ethylene-treated tomato (Lycopersicon esculentum Mill.) flower abscission zone by reverse-transcription polymerase chain reaction using degenerate primers to conserved amino acid sequences from known plant cellulases. Four of the gene fragments are homologous to fruit pericarp cellulases. The other two are novel cellulase genes, referred t...
متن کاملCorrigendum: Cell Wall Remodeling in Abscission Zone Cells during Ethylene-Promoted Fruit Abscission in Citrus
[This corrects the article on p. 126 in vol. 8, PMID: 28228766.].
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ژورنال
عنوان ژورنال: BMC Plant Biology
سال: 2013
ISSN: 1471-2229
DOI: 10.1186/1471-2229-13-40