Journal Article

Signalling Pathways in Pollen Tube Growth and Reorientation

Rui Malhó, Luísa Camacho and Ana Moutinho

in Annals of Botany

Published on behalf of The Annals of Botany Company

Volume 85, issue suppl_1, pages 59-68
Published in print March 2000 | ISSN: 0305-7364
Published online March 2000 | e-ISSN: 1095-8290 | DOI: http://dx.doi.org/10.1093/oxfordjournals.aob.a010315
Signalling Pathways in Pollen Tube Growth and Reorientation

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  • Ecology and Conservation
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Plant fertilization is an essential process for seed production. One of the most interesting and important aspects is pollen tube growth from the stigma to the ovary. Understanding of the guidance mechanisms involved has been much debated, and important insights into the biochemical and physiological aspects of these events have been reported recently. Yet, the specific morphogenetic mechanisms which provide the pollen tube with these attributes remain very much unknown. In experimental terms, a substantial amount of research has dealt with the identification of cellular messengers, their capacity to generate a signal and how the information is coded in that signal. The role of cytosolic free calcium ([Ca2+]c) has received a great deal of attention but research is extending rapidly to other areas.

Keywords: Calcium gradient; oscillations; pollen tube guidance; second messengers

Journal Article.  0 words. 

Subjects: Ecology and Conservation ; Evolutionary Biology ; Plant Sciences and Forestry

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