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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erad168
|2 doi
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|a pubmed24n1188.xml
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|a (DE-627)NLM356590917
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|a (NLM)37155961
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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 Rojek, Joanna
|e verfasserin
|4 aut
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| 245 |
1 |
4 |
|a The phenomenon of autonomous endosperm in sexual and apomictic plants
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1 |
|c 2023
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| 336 |
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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
|b cr
|2 rdacarrier
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|a Date Completed 18.08.2023
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|a Date Revised 19.08.2023
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2023. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Endosperm is a key nutritive tissue that supports the developing embryo or seedling, and serves as a major nutritional source for human and livestock feed. In sexually-reproducing flowering plants, it generally develops after fertilization. However, autonomous endosperm (AE) formation (i.e. independent of fertilization) is also possible. Recent findings of AE loci/ genes and aberrant imprinting in native apomicts, together with a successful initiation of parthenogenesis in rice and lettuce, have enhanced our understanding of the mechanisms bridging sexual and apomictic seed formation. However, the mechanisms driving AE development are not well understood. This review presents novel aspects related to AE development in sexual and asexual plants underlying stress conditions as the primary trigger for AE. Both application of hormones to unfertilized ovules and mutations that impair epigenetic regulation lead to AE development in sexual Arabidopsis thaliana, which may point to a common pathway for both phenomena. Apomictic-like AE development under experimental conditions can take place due to auxin-dependent gene expression and/or DNA methylation
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| 650 |
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|a Review
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4 |
|a Journal Article
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Apomixis
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| 650 |
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4 |
|a FIS-POLYCOMB
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4 |
|a autonomous endosperm
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4 |
|a autonomous seed
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| 650 |
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4 |
|a auxin
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| 650 |
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|a endosperm development
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| 650 |
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4 |
|a mammalian sex hormones
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| 650 |
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4 |
|a parthenogenesis
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| 650 |
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4 |
|a plant female gametophyte
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| 650 |
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4 |
|a plant reproduction
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| 700 |
1 |
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|a Ohad, Nir
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 74(2023), 15 vom: 17. Aug., Seite 4324-4348
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:74
|g year:2023
|g number:15
|g day:17
|g month:08
|g pages:4324-4348
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erad168
|3 Volltext
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|d 74
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|e 15
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|c 08
|h 4324-4348
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