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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1111/nph.13200
|2 doi
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|a pubmed24n0813.xml
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|a (NLM)25442716
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Hoedemaekers, Karin
|e verfasserin
|4 aut
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| 245 |
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|a BURSTING POLLEN is required to organize the pollen germination plaque and pollen tube tip in Arabidopsis thaliana
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 11.02.2016
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|a Date Revised 09.11.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.
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|a Pollen germination may occur via the so-called germination pores or directly through the pollen wall at the site of contact with the stigma. In this study, we addressed what processes take place during pollen hydration (i.e. before tube emergence), in a species with extra-poral pollen germination, Arabidopsis thaliana. A T-DNA mutant population was screened by segregation distortion analysis. Histological and electron microscopy techniques were applied to examine the wild-type and mutant phenotypes. Within 1 h of the start of pollen hydration, an intine-like structure consisting of cellulose, callose and at least partly de-esterified pectin was formed at the pollen wall. Subsequently, this 'germination plaque' gradually extended and opened up to provide passage for the cytoplasm into the emerging pollen tube. BURSTING POLLEN (BUP) was identified as a gene essential for the correct organization of this plaque and the tip of the pollen tube. BUP encodes a novel Golgi-located glycosyltransferase related to the glycosyltransferase 4 (GT4) subfamily which is conserved throughout the plant kingdom. Extra-poral pollen germination involves the development of a germination plaque and BUP defines the correct plastic-elastic properties of this plaque and the pollen tube tip by affecting pectin synthesis or delivery
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis thaliana
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|a GT4-related glycosyltransferase
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|a germination plaque
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|a male fertility
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|a pectin
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|a pollen germination
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|a pollen tube tip
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|a Glucans
|2 NLM
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|a Pectins
|2 NLM
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|a 89NA02M4RX
|2 NLM
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|a callose
|2 NLM
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|a 9064-51-1
|2 NLM
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| 700 |
1 |
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|a Derksen, Jan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hoogstrate, Suzanne W
|e verfasserin
|4 aut
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| 700 |
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|a Wolters-Arts, Mieke
|e verfasserin
|4 aut
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| 700 |
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|a Oh, Sung-Aeong
|e verfasserin
|4 aut
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| 700 |
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|a Twell, David
|e verfasserin
|4 aut
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|a Mariani, Celestina
|e verfasserin
|4 aut
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| 700 |
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|a Rieu, Ivo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 206(2015), 1 vom: 20. Apr., Seite 255-267
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|x 1469-8137
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| 773 |
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|g volume:206
|g year:2015
|g number:1
|g day:20
|g month:04
|g pages:255-267
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|u http://dx.doi.org/10.1111/nph.13200
|3 Volltext
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