Regulation of pollen tube growth in Petunia hybrida by ethylene-induced esterase activity
Research Mentor(s)
Prody, Gerry; Singh-Cundy, Anu
Description
Ethylene is a ubiquitous hormone that regulates a variety of functions in plant tissues. It is believed that a burst of ethylene during pollination is responsible for an enzymatic cascade that allows the growth of the pollen tube. Specifically, ethylene induces the deesterification of the cell-wall carbohydrate pectin, which allows its degradation by constitutively expressed pectinase enzymes. We show here that central tissues of Petunia pistils, through which the pollen tube develops, are preferentially deesterified following ethylene treatment.
Document Type
Event
Start Date
14-5-2015 10:00 AM
End Date
14-5-2015 2:00 PM
Department
Chemistry
Genre/Form
student projects; posters
Subjects – Topical (LCSH)
Petunias; Petunias--Pollen management; Pollination
Type
Image
Rights
Copying of this document in whole or in part is allowable only for scholarly purposes. It is understood, however, that any copying or publication of this documentation for commercial purposes, or for financial gain, shall not be allowed without the author's written permission.
Language
English
Format
application/pdf
Regulation of pollen tube growth in Petunia hybrida by ethylene-induced esterase activity
Ethylene is a ubiquitous hormone that regulates a variety of functions in plant tissues. It is believed that a burst of ethylene during pollination is responsible for an enzymatic cascade that allows the growth of the pollen tube. Specifically, ethylene induces the deesterification of the cell-wall carbohydrate pectin, which allows its degradation by constitutively expressed pectinase enzymes. We show here that central tissues of Petunia pistils, through which the pollen tube develops, are preferentially deesterified following ethylene treatment.