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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2011.03.006
|2 doi
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|a pubmed24n0692.xml
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|a (NLM)21497942
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Dauelsberg, Patricia
|e verfasserin
|4 aut
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| 245 |
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|a Effect of pollination and fertilization on the expression of genes related to floral transition, hormone synthesis and berry development in grapevine
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 24.04.2013
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2011 Elsevier GmbH. All rights reserved.
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|a In the present work, the effect of assisted fertilization on anatomical, morphological and gene expression changes occurring in carpels and during early stages of berry development in Vitis vinifera were studied. Inflorescences were emasculated before capfall, immediately manually pollinated (EP) and fruit development was compared to emasculated but non-pollinated (ENP) and self-pollinated inflorescences (NESP). The diameter of berries derived from pollinated flowers (EP and NESP) was significantly higher than from non-pollinated flowers (ENP) at 21 days after emasculation/pollination (DAE), and a rapid increase in the size of the inner mesocarp, together with the presence of an embryo-like structure, were observed. The expression of gibberellin oxidases (GA20ox and GA2ox), anthranilate synthase (related to auxin synthesis) and cytokinin synthase coding genes was studied to assess the relationship between hormone synthesis and early berry development, while flower patterning genes were analyzed to describe floral transition. Significant expression changes were found for hormone-related genes, suggesting that their expression at early stages of berry development (13 DAE) is related to cell division and differentiation of mesocarp tissue at a later stage (21 DAE). Expression of hormone-related genes also correlates with the expression of VvHB13, a gene related to mesocarp expansion, and with an increased repression of floral patterning genes (PISTILLATA and TM6), which may contribute to prevent floral transition inhibiting fruit growth before fertilization takes place
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a DNA, Complementary
|2 NLM
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| 650 |
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|a Plant Growth Regulators
|2 NLM
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| 650 |
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|a RNA, Plant
|2 NLM
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| 700 |
1 |
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|a Matus, José Tomás
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Poupin, María Josefina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leiva-Ampuero, Andrés
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Godoy, Francisca
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vega, Andrea
|e verfasserin
|4 aut
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| 700 |
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|a Arce-Johnson, Patricio
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 168(2011), 14 vom: 15. Sept., Seite 1667-74
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:168
|g year:2011
|g number:14
|g day:15
|g month:09
|g pages:1667-74
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|u http://dx.doi.org/10.1016/j.jplph.2011.03.006
|3 Volltext
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