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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erw271
|2 doi
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|a pubmed25n0873.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Bircheneder, Susanne
|e verfasserin
|4 aut
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|a Why cellular communication during plant reproduction is particularly mediated by CRP signalling
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 21.11.2017
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|a Date Revised 13.01.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © The Author 2016. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Secreted cysteine-rich peptides (CRPs) represent one of the main classes of signalling peptides in plants. Whereas post-translationally modified small non-CRP peptides (psNCRPs) are mostly involved in signalling events during vegetative development and interactions with the environment, CRPs are overrepresented in reproductive processes including pollen germination and growth, self-incompatibility, gamete activation and fusion as well as seed development. In this opinion paper we compare the involvement of both types of peptides in vegetative and reproductive phases of the plant lifecycle. Besides their conserved cysteine pattern defining structural features, CRPs exhibit hypervariable primary sequences and a rapid evolution rate. As a result, CRPs represent a pool of highly polymorphic signalling peptides involved in species-specific functions during reproduction and thus likely represent key players to trigger speciation in plants by supporting reproductive isolation. In contrast, precursers of psNCRPs are proteolytically processed into small functional domains with high sequence conservation and act in more general processes. We discuss parallels in downstream processes of CRP signalling in both reproduction and defence against pathogenic fungi and alien pollen tubes, with special emphasis on the role of ROS and ion channels. In conclusion we suggest that CRP signalling during reproduction in plants has evolved from ancient defence mechanisms
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Calcium
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|a ROS
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|a cysteine-rich protein (CRP)
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|a defensin
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|a fertilization
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|a fungal infection
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|a pollen tube
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|a speciation.
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|a Plant Proteins
|2 NLM
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| 700 |
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|a Dresselhaus, Thomas
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 67(2016), 16 vom: 12. Aug., Seite 4849-61
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnas
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| 773 |
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|g volume:67
|g year:2016
|g number:16
|g day:12
|g month:08
|g pages:4849-61
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|u http://dx.doi.org/10.1093/jxb/erw271
|3 Volltext
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