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- Histone lysine methylation has important functions in many biological processes that include gene expression,X-chromosome inactivation,gene imprinting and DNA repair. 组蛋白赖氨酸甲基化作为共价修饰的一种在基因表达调控、X染色体失活、基因组印迹、DNA修补等生物学过程中起重要作用。
- Genes imprinting means that some genes violate the usual rule of Mendelian inheritance law and their expression is determined by the parents that contributed them. 基因印迹指的是某些基因呈不遵从孟德尔定律的亲源依赖性单等位基因表达,其另一等位基因不表达或表达极弱,具有这种现象的基因被称为印迹基因。
- It covers data on mechanisms of gene imprinting,several imprinted genes that were recently identified and the biological significance of genome imprint in development,genetics and Darwinian evolution. 阐述了基因组“印记”的可能机制及一些最新定位的“印记”基因 ,并论述了基因组“印记”在发育生物学、遗传学和物种进化研究中的生物学意义。
- gene imprinting 基因印迹
- The position that a given gene occupies on a chromosome. 基因座在一条染色体上某种给定基因所占的位置
- Half of the people who inherit the gene express it. 半数有这种遗传基因的人,皆显示出其影响
- Now the variant of each gene is called an allele. 每一种基因的变化就叫做等位基因。
- We know a lot about the structure of gene now. 如今我们对基因的结构有了较多的了解。
- A single gene may have many effects. 单一基因可能具有很多种效应。
- There can be more than two alleles for a gene. 一个基因可能有两个以上的等位基因。
- Howeer, uniparental ES cell research faces the biological hurdle of genomic imprinting, in which specific gene expression patterns are dictated by the parental origin. 然而,单系胚胎干细胞研究面临着基因组印迹的生物学障碍,即特殊的基因表达模式受原始亲代的控制。
- A mutable organism; a mutable gene. 一个易变的生物;一个易变的基因
- OBJECTIVE To study the imprinting status of H19 gene in normal villi tissue during the first trimester,and its relation to the invasion of trophoblast. 目的检测早孕绒毛组织中印迹基因H19印迹的状态,探讨其印迹状态与滋养细胞浸润能力之间的联系。
- Gene Shepard: That was a 35 dollar belt! 吉恩·谢帕德:那地方可值35美元呢!
- Gene Shepard: That was a35 dollar belt! 吉恩·帕德:那地方可值35美元呢!
- You also owe a nod to your leptin gene. 你还要赞美你的leptin基因。
- Oncogene: Gene that can cause cancer. 致癌基因: 能够导致恶性肿瘤的基因。
- Can the gene be fixed with gene therapy? 这种基因能用基因疗法治疗吗?
- Gene: Gee, she's made quite a mess. Naughty niece! 金:啊,她把东西弄得乱七八糟。这甥女真顽皮!
- To look for the correlated gene of nasal polyp. 目的 :寻找复发性鼻息肉的相关基因。