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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erad427
|2 doi
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|a pubmed24n1553.xml
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|a (DE-627)NLM363830685
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|a (NLM)37891009
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Xie, Hanhan
|e verfasserin
|4 aut
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|a Increased DNA methylation of the splicing regulator SR45 suppresses seed abortion in litchi
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|c 2024
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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
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|2 rdacarrier
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|a Date Completed 05.02.2024
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|a Date Revised 30.09.2024
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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. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a The gene regulatory networks that govern seed development are complex, yet very little is known about the genes and processes that are controlled by DNA methylation. Here, we performed single-base resolution DNA methylome analysis and found that CHH methylation increased significantly throughout seed development in litchi. Based on the association analysis of differentially methylated regions and weighted gene co-expression network analysis (WGCNA), 46 genes were identified as essential DNA methylation-regulated candidate genes involved in litchi seed development, including LcSR45, a homolog of the serine/arginine-rich (SR) splicing regulator SR45. LcSR45 is predominately expressed in the funicle, embryo, and seed integument, and displayed increased CHH methylation in the promoter during seed development. Notably, silencing of LcSR45 in a seed-aborted litchi cultivar significantly improved normal seed development, whereas the ectopic expression of LcSR45 in Arabidopsis caused seed abortion. Furthermore, LcSR45-dependent alternative splicing events were found to regulate genes involved in seed development. Together, our findings demonstrate that LcSR45 is hypermethylated, and plays a detrimental role in litchi seed development, indicating a global increase in DNA methylation at this stage
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Alternative splicing
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|a DNA methylation
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|a SR45
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|a litchi (Litchi chinensis Sonn.)
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|a seed abortion
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|a transcription
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|a SR45 protein, Arabidopsis
|2 NLM
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| 650 |
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|a RNA-Binding Proteins
|2 NLM
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 700 |
1 |
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|a Yin, Wenya
|e verfasserin
|4 aut
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| 700 |
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|a Zheng, Yedan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yanshan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qin, Hongming
|e verfasserin
|4 aut
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| 700 |
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|a Huang, Zhiqiang
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Minglei
|e verfasserin
|4 aut
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| 700 |
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|a Li, Jianguo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 75(2024), 3 vom: 02. Feb., Seite 868-882
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:75
|g year:2024
|g number:3
|g day:02
|g month:02
|g pages:868-882
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|u http://dx.doi.org/10.1093/jxb/erad427
|3 Volltext
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|d 75
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|h 868-882
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