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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2023.111925
|2 doi
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|a pubmed25n1215.xml
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|a (DE-627)NLM364726121
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|a (NLM)37981085
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|a (PII)S0168-9452(23)00342-4
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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 Xu, Yibo
|e verfasserin
|4 aut
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|a Disruption of the rice ALS1 localized in chloroplast causes seedling-lethal albino phenotype
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|c 2024
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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
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|2 rdacarrier
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|a Date Completed 28.01.2024
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|a Date Revised 28.01.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier B.V. All rights reserved.
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|a Chloroplasts are the organelles responsible for photosynthesis and regulate normal plant growth. Although translation elongation factors play important roles in chloroplast development, functional studies of chloroplast translation elongation factors in higher plants remain very sparse. Here, we obtained a rice mutant exhibiting seedling-lethal albino phenotype and named it albino and lethal seedling 1 (als1). Consistently, low content of photosynthetic pigments, malformed chloroplasts and defective photosynthesis were observed in als1 mutant leaves. Map-based cloning experiment showed that als1 mutant had a T base insertion in Os02g0595700, causing a frame shift and premature stop codon. ALS1 encoded a GTP-binding protein EF-Tu, which acts as a translation elongation factor in chloroplast protein translation. ALS1 was found to be expressed throughout plant with highest expression level in young leaves. Moreover, ALS1 was located in chloroplast, whereas the truncated als1 could not normally be located in chloroplast. Additionally, the ALS1 mutation significantly influenced the expression of downstream genes, such as genes relevant to chlorophyll biosynthesis, photosynthesis as well as chloroplast development. These results show that ALS1 acts as a key regulator of chloroplast development and plant growth
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|a Journal Article
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|a Chloroplast development
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|a GTP-binding protein
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|a Rice
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|a Translation elongation
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|a albino and lethal seedling 1 (als1)
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|a Chlorophyll
|2 NLM
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|a 1406-65-1
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 700 |
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|a Wu, Zishuai
|e verfasserin
|4 aut
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| 700 |
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|a Shen, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Haiyu
|e verfasserin
|4 aut
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| 700 |
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|a Li, Hu
|e verfasserin
|4 aut
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| 700 |
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|a He, Xinhua
|e verfasserin
|4 aut
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| 700 |
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|a Li, Rongbai
|e verfasserin
|4 aut
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| 700 |
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|a Qin, Baoxiang
|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 338(2024) vom: 15. Jan., Seite 111925
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
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|g volume:338
|g year:2024
|g day:15
|g month:01
|g pages:111925
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|u http://dx.doi.org/10.1016/j.plantsci.2023.111925
|3 Volltext
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