SiSTL1, encoding a large subunit of ribonucleotide reductase, is crucial for plant growth, chloroplast biogenesis, and cell cycle progression in Setaria italica.

التفاصيل البيبلوغرافية
العنوان:	SiSTL1, encoding a large subunit of ribonucleotide reductase, is crucial for plant growth, chloroplast biogenesis, and cell cycle progression in Setaria italica.
المؤلفون:	Tang C; Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China., Tang S; Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China., Zhang S; Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China., Luo M; Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China., Jia G; Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China., Zhi H; Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China., Diao X; Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.
المصدر:	Journal of experimental botany [J Exp Bot] 2019 Feb 20; Vol. 70 (4), pp. 1167-1182.
نوع المنشور:	Journal Article; Research Support, Non-U.S. Gov't
اللغة:	English
بيانات الدورية:	Publisher: Oxford University Press Country of Publication: England NLM ID: 9882906 Publication Model: Print Cited Medium: Internet ISSN: 1460-2431 (Electronic) Linking ISSN: 00220957 NLM ISO Abbreviation: J Exp Bot Subsets: MEDLINE
أسماء مطبوعة:	Original Publication: Oxford, UK : Oxford University Press,
مواضيع طبية MeSH:	Organogenesis, Plant, Cell Cycle/physiology , Chloroplasts/physiology , Plant Proteins/genetics , Ribonucleotide Reductases/genetics , Setaria Plant/physiology, Amino Acid Sequence ; Base Sequence ; Phylogeny ; Plant Proteins/chemistry ; Plant Proteins/metabolism ; Ribonucleotide Reductases/metabolism ; Sequence Alignment ; Setaria Plant/growth & development
مستخلص:	The activity of ribonucleotide reductase (RNR), which catalyses the transformation of four ribonucleoside diphosphates (NDPs) to their corresponding deoxyribonucleoside diphosphates (dNDPs), is the main determiner of the cellular concentration of dNTP pools and should be tightly coordinated with DNA synthesis and cell-cycle progression. Constitutively increased or decreased RNR activity interferes with DNA replication and leads to arrested cell cycle progression; however, the mechanisms underlying these disruptive effects in higher plants remain to be uncovered. In this study, we identified a RNR large subunit mutant, sistl1, in Setaria italica (foxtail millet), which exhibited growth retardation as well as striped leaf phenotype, i.e. irregularly reduced leaf vein distances and decreased chloroplast biogenesis. We determined that a Gly737 to Glu substitution occurring in the C-terminus of the SiSTL1 protein slightly affected its optimal function, leading in turn to the reduced expression of genes variously involved in the assembly and activation of the DNA pre-replicative complex, elongation of replication forks and S phase entry. Our study provides new insights into how SiSTL1 regulates plant growth, chloroplast biogenesis, and cell cycle progression in Poaceae crops. (© The Author(s) 2018. Published by Oxford University Press on behalf of the Society for Experimental Biology.)
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فهرسة مساهمة:	Keywords: SiSTL1; Cell cycle progression; DNA replication; chloroplast biogenesis; growth retardation; ribonucleotide reductase; striped leaf
سلسلة جزيئية:	Dryad 10.5061/dryad.t6v7t8s
المشرفين على المادة:	0 (Plant Proteins) EC 1.17.4.- (Ribonucleotide Reductases)
تواريخ الأحداث:	Date Created: 20181212 Date Completed: 20200427 Latest Revision: 20210109
رمز التحديث:	20240628
مُعرف محوري في PubMed:	PMC6382339
DOI:	10.1093/jxb/ery429
PMID:	30534992
قاعدة البيانات:	MEDLINE

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تدمد:	1460-2431
DOI:	10.1093/jxb/ery429