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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2019.110205
|2 doi
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|a pubmed24n1004.xml
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|a (DE-627)NLM301296693
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|a (NLM)31521217
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|a (PII)S0168-9452(19)30697-1
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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 Pan, Zhenyuan
|e verfasserin
|4 aut
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| 245 |
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|a ZmSMK9, a pentatricopeptide repeat protein, is involved in the cis-splicing of nad5, kernel development and plant architecture in maize
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|c 2019
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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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| 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 26.12.2019
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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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| 520 |
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|a Copyright © 2019 Elsevier B.V. All rights reserved.
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|a Maize kernel size and weight are essential contributors to its yield. So the identification of the genes controlling kernel size and weight can give us a chance to gain the yield. Here, we identified a small kernel mutant, Zea mays small kernel 9 (Zmsmk9), in maize. Cytological observation showed that the development of the endosperm and embryo was delayed in Zmsmk9 mutants at the early stages, resulting in a small kernel phenotype. Interestingly, despite substantial variation in kernel size, the germination of Zmsmk9 seeds was comparable to that of WT, and could develop into normal plants with upright leaf architecture. We cloned Zmsmk9 via map-based cloning. ZmSMK9 encodes a P-type pentatricopeptide repeat protein that targets to mitochondria, and is involved in RNA splicing in mitochondrial NADH dehydrogenase5 (nad5) intron-1 and intron-4. Consistent with the delayed development phenotype, transcriptome analysis of 12-DAP endosperm showed that starch and zeins biosynthesis related genes were dramatically down regulated in Zmsmk9, while cell cycle and cell growth related genes were dramatically increased. As a result, ZmSMK9 is a novel gene required for the splicing of nad5 intron-1 and intron-4, kernel development, and plant architecture in maize
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|a Journal Article
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|a Kernel
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|a Mitochondria
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|a Pentatricopeptide repeat
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|a RNA splicing
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|a Zea mays
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| 650 |
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|a nad5
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| 650 |
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|a Mitochondrial Proteins
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a NADH Dehydrogenase
|2 NLM
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| 650 |
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7 |
|a EC 1.6.99.3
|2 NLM
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| 700 |
1 |
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|a Liu, Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiao, Ziyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ren, Xuemei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Hailiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gong, Dianming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liang, Kun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tan, Zengdong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shao, Yangqing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qiu, Fazhan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 288(2019) vom: 01. Nov., Seite 110205
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
1 |
8 |
|g volume:288
|g year:2019
|g day:01
|g month:11
|g pages:110205
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| 856 |
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|u http://dx.doi.org/10.1016/j.plantsci.2019.110205
|3 Volltext
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|a AR
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|d 288
|j 2019
|b 01
|c 11
|h 110205
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