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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erx016
|2 doi
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|a pubmed24n0896.xml
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|a (DE-627)NLM269017682
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|a (NLM)28207059
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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 Li, Gang
|e verfasserin
|4 aut
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|a Non-SMC elements 1 and 3 are required for early embryo and seedling development in Arabidopsis
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|c 2017
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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
|b cr
|2 rdacarrier
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|a Date Completed 16.11.2017
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|a Date Revised 13.11.2018
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Early embryo development from the zygote is an essential stage in the formation of the seed, while seedling development is the beginning of the formation of an individual plant. AtNSE1 and AtNSE3 are subunits of the structural maintenance of chromosomes (SMC) 5/6 complex and have been identified as non-SMC elements, but their functions in Arabidopsis growth and development remain as yet unknown. In this study, we found that loss of function of AtNSE1 and AtNSE3 led to severe defects in early embryo development. Partially complemented mutants showed that the development of mutant seedlings was inhibited, that chromosome fragments occurred during anaphase, and that the cell cycle was delayed at G2/M, which led to the occurrence of endoreduplication. Further, a large number of DNA double-strand breaks (DSBs) occurred in the nse1 and nse3 mutants, and the expression of AtNSE1 and AtNSE3 was up-regulated following treatment of the plants with DSB inducer compounds, suggesting that AtNSE1 and AtNSE3 have a role in DNA damage repair. Therefore, we conclude that AtNSE1 and AtNSE3 facilitate DSB repair and contribute to maintaining genome stability and cell division in mitotic cells. Thus, we think that AtNSE1 and AtNSE3 may be crucial factors for maintaining proper early embryonic and post-embryonic development
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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
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|a development
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|a early embryo
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|a mitosis
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|a non-SMC element
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|a organ
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|a seedling
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|a Arabidopsis Proteins
|2 NLM
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|a Ligases
|2 NLM
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|a EC 6.-
|2 NLM
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| 700 |
1 |
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|a Zou, Wenxuan
|e verfasserin
|4 aut
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| 700 |
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|a Jian, Liufang
|e verfasserin
|4 aut
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| 700 |
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|a Qian, Jie
|e verfasserin
|4 aut
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| 700 |
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|a Deng, Yingtian
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Jie
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 68(2017), 5 vom: 01. Feb., Seite 1039-1054
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:68
|g year:2017
|g number:5
|g day:01
|g month:02
|g pages:1039-1054
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|u http://dx.doi.org/10.1093/jxb/erx016
|3 Volltext
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|d 68
|j 2017
|e 5
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|c 02
|h 1039-1054
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