植物基因组突变率变异的原因。

IF 21.3 1区 生物学 Q1 PLANT SCIENCES Annual review of plant biology Pub Date : 2023-05-22 DOI:10.1146/annurev-arplant-070522-054109
Daniela Quiroz, Mariele Lensink, Daniel J Kliebenstein, J Grey Monroe
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引用次数: 1

摘要

突变是所有可遗传多样性的来源,是进化和繁殖的基本物质。虽然突变率通常被认为是恒定的,但几乎在每个水平上都观察到突变率的变异性——不同的突变类型、基因组位置、基因功能、表观基因组背景、环境条件、基因型和物种。这种突变率的变化源于DNA损伤、修复、转座因子激活和插入的不同速率,它们共同产生了DNA突变率所测量的结果。我们回顾了植物突变率变异的原因和后果的历史和最近的研究,重点是形成这种变异的机制。新兴的机制模型指出,突变率变异的可进化性是通过靶向DNA修复的机制,在表型和基因组尺度上塑造植物的多样化。
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Causes of Mutation Rate Variability in Plant Genomes.

Mutation is the source of all heritable diversity, the essential material of evolution and breeding. While mutation rates are often regarded as constant, variability in mutation rates has been observed at nearly every level-varying across mutation types, genome locations, gene functions, epigenomic contexts, environmental conditions, genotypes, and species. This mutation rate variation arises from differential rates of DNA damage, repair, and transposable element activation and insertion that together produce what is measured by DNA mutation rates. We review historical and recent investigations into the causes and consequences of mutation rate variability in plants by focusing on the mechanisms shaping this variation. Emerging mechanistic models point to the evolvability of mutation rate variation across genomes via mechanisms that target DNA repair, shaping the diversification of plants at phenotypic and genomic scales.

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来源期刊
Annual review of plant biology
Annual review of plant biology 生物-植物科学
CiteScore
40.40
自引率
0.40%
发文量
29
期刊介绍: The Annual Review of Plant Biology is a peer-reviewed scientific journal published by Annual Reviews. It has been in publication since 1950 and covers significant developments in the field of plant biology, including biochemistry and biosynthesis, genetics, genomics and molecular biology, cell differentiation, tissue, organ and whole plant events, acclimation and adaptation, and methods and model organisms. The current volume of this journal has been converted from gated to open access through Annual Reviews' Subscribe to Open program, with all articles published under a CC BY license.
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