Journal
PLANT AND CELL PHYSIOLOGY
Volume 51, Issue 2, Pages 177-189Publisher
OXFORD UNIV PRESS
DOI: 10.1093/pcp/pcq008
Keywords
Attractants; Peptides; Pollenpistil interactions; Pollen tube guidance; Pollen tube growth; Self-incompatibility
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Funding
- Ministry of Education, Culture, Sports, Science, and Technology, Japan [18075004, 19370017]
- PRESTO project
- Japan Science and Technology Agency, Japan
- Yamada Science Foundation
- Mitsubishi Foundation
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Plant fertilization is achieved through the involvement of various pollenpistil interactions. Self-/non-self-recognition in pollination is important to avoid inbreeding, and directional and sustainable control of pollen tube growth is critical for the pollen tube to deliver male germ cells. Recently, various secreted peptides (polypeptides) have been reported to be involved in cellcell communication of pollenpistil interactions. These include determinants of self-incompatibility, factors for pollen germination and tube growth, and pollen tube attractants. Interestingly, many of them are cysteine-rich peptides/polypeptides (CRPs). In this review, I focus on the peptides involved in pollenpistil interactions and discuss properties of peptide signaling in each step from pollination to fertilization.
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