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Also known as genetic mutation, gene mutation, mutations, genetic mutations, gene mutations, genetic change, genetic changes
基因突变
A mutation is a change in an organism's genetic material, such as when a section of DNA is deleted, copied extra times, or flipped around. Mutations matter because they create genetic variation in populations, which can lead to evolution, disease, or sometimes have no noticeable effect at all.
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Research
1,395,250 papers- Mutation bias and adaptation in bacteria.ReviewMicrobiology (Reading, England) · 2023Horton JS, Taylor TBDOI: 10.1099/mic.0.001404
- Genomic instability--an evolving hallmark of cancer.ReviewNature reviews. Molecular cell biology · 2010Negrini S, Gorgoulis VG, Halazonetis TDDOI: 10.1038/nrm2858
- Distribution of mutation rates challenges evolutionary predictability.Microbiology (Reading, England) · 2023Sun TA, Lind PADOI: 10.1099/mic.0.001323
- Genetic basis of a spontaneous mutation's expressivity.Genetics · 2022Schell R, Hale JJ, Mullis MN et al.DOI: 10.1093/genetics/iyac013
- Phenotype switching of the mutation rate facilitates adaptive evolution.Genetics · 2023Lobinska G, Pilpel Y, Ram YDOI: 10.1093/genetics/iyad111
- Mutation bias and GC content shape antimutator invasions.Nature communications · 2019Couce A, Tenaillon ODOI: 10.1038/s41467-019-11217-6
- Sequence dependencies and mutation rates of localized mutational processes in cancer.Genome medicine · 2023Poulsgaard GA, Sørensen SG, Juul RI et al.DOI: 10.1186/s13073-023-01217-z
- PIK3CA Mutation in HPV-Associated OPSCC Patients Receiving Deintensified Chemoradiation.Journal of the National Cancer Institute · 2020Beaty BT, Moon DH, Shen CJ et al.DOI: 10.1093/jnci/djz224
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Article · 中文
突变(英語:Mutation,即基因突变)在生物学上的含义,是指细胞中的遗传基因(通常指存在於細胞核中的去氧核糖核酸)发生的改变。它包括单个碱基改变所引起的点突变,或多个碱基的缺失、重复和插入。原因可以是细胞分裂时遗传基因的复制发生错误、或受化学物质、基因毒性、辐射或病毒的影响。 突變通常會導致細胞運作不正常、或細胞死亡,甚至可以在較高等生物中引發癌症。但同时,突变也被视为演化的“推动力”:不理想的突变会经天择过程被淘汰,而对物种有利的突变则会被累积下去。中性突變(neutral mutation)对物种沒有影响而逐渐累积,会导致间断平衡。 基因突变:是基因信号通道被截断,信号不能正常交通。癌细胞只有一个简单的定义:不死的细胞。即控制细胞凋亡的基因组上的信息通道被截断。基因突变疾病:不同基因组上的信息通道被截断,形成各种不同的基因突变疾病。几乎所有的慢性炎症,都是基因突变疾病。
Abstract from DBpedia / Wikipedia · CC BY-SA
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