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20231225095545.0 |
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231225s2019 xx |||||o 00| ||eng c |
| 024 |
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|a 10.1093/jxb/erz323
|2 doi
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|a pubmed24n0996.xml
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|a (DE-627)NLM299079708
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|a (NLM)31294816
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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 Zühl, Luise
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Differential activity of F-box genes and E3 ligases distinguishes sexual versus apomictic germline specification in Boechera
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|c 2019
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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 17.08.2020
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|a Date Revised 17.08.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Germline specification is the first step during sexual and apomictic plant reproduction, and takes place in the nucellus of the ovule, a specialized domain of the reproductive flower tissues. In each case, a sporophytic cell is determined to form the sexual megaspore mother cell (MMC) or an apomictic initial cell (AIC). These differ in their developmental fates: while the MMC undergoes meiosis, the AIC modifies or omits meiosis to form the female gametophyte. Despite great interest in these distinct developmental processes, little is known about their gene regulatory basis. To elucidate the gene regulatory networks underlying germline specification, we conducted tissue-specific transcriptional profiling using laser-assisted microdissection and RNA sequencing to compare the transcriptomes of nucellar tissues between different sexual and apomictic Boechera accessions representing four species and two ploidy levels. This allowed us to distinguish between expression differences caused by genetic background or reproductive mode. Statistical data analysis revealed 45 genes that were significantly differentially expressed, and which potentially play a role for determination of the reproductive mode. Based on annotations, these included F-box genes and E3 ligases that most likely relate to genes previously described as regulators important for germline development. Our findings provide novel insights into the transcriptional basis of sexual and apomictic reproduction
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Boechera
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|a Apomixis
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|a E3-ligase
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| 650 |
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|a F-box
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| 650 |
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|a RNA-seq
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| 650 |
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4 |
|a laser-assisted microdissection
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| 650 |
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4 |
|a megasporogenesis
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| 650 |
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|a nucellus tissue
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| 650 |
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|a plant reproduction
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| 650 |
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|a tissue-specific transcriptome
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Ubiquitin-Protein Ligases
|2 NLM
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| 650 |
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7 |
|a EC 2.3.2.27
|2 NLM
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| 700 |
1 |
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|a Volkert, Christopher
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ibberson, David
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schmidt, Anja
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 70(2019), 20 vom: 24. Okt., Seite 5643-5657
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:70
|g year:2019
|g number:20
|g day:24
|g month:10
|g pages:5643-5657
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|u http://dx.doi.org/10.1093/jxb/erz323
|3 Volltext
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