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Plant and Cell Physiology Advance Access originally published online on October 13, 2009
Plant and Cell Physiology 2009 50(11):1857-1864; doi:10.1093/pcp/pcp142
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© The Author 2009. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org

Mini Review

Recent Progress in Plant Reproduction Research: The Story of the Male Gametophyte through to Successful Fertilization

Go Suzuki*

Division of Natural Science, Osaka Kyoiku University, Kashiwara, 582-8582 Japan

*Corresponding author: E-mail, gsuzuki{at}cc.osaka-kyoiku.ac.jp; Fax, +81-72-978-3660.


  Abstract

Sexual reproduction is an important biological event not only for evolution but also for breeding in plants. It is a well known fact that Charles Darwin (1809–1882) was interested in the reproduction system of plants as part of his concept of ‘species’ and ‘evolution.’ His keen observation and speculation is timeless even in the current post-genome era. In the Darwin anniversary year of 2009, I have summarized recent molecular genetic studies of plant reproduction, focusing especially on male gametophyte development, pollination and fertilization. We are just beginning to understand the molecular mechanisms of the elaborate reproduction system in flowering plants, which have been a mystery for >100 years.

Keywords: Charles Darwin • Fertilization • Male gametophyte development • Pollination • Reproductive barriers • Self-incompatibility

Abbreviations: CMS, cytoplasmic male sterility; CRP, cysteine-rich polypeptide; GSI, gametophytic self-incompatibility; LM, laser microdissection; PMC, pollen mother cell; PPR, pentatricopeptide repeat; RLK, receptor-like kinase; SI, self-incompatibility; SSI, sporophytic self-incompatibility.

(Received October 4, 2009; Accepted October 9, 2009)
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