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- cytosine methyltransferase 胞嘧啶甲基转移酶
- Density Functional Theory, Cytosine, Tautomerism. 密度泛函理论;胞嘧啶;
- Guanine and cytosine were more sensitive to HMME. 腺嘌呤和胞嘧啶对血卟啉单甲醚的光动力学损伤更敏感。
- To test whether DNA methylation plays a role in somaclonal variation, the calli were treated with 5-azacytidine that reduces cytosine methylation by blocking activity of DNA methyltransferase. 为了检测DNA甲基化在体细胞克隆多样性中的作用,愈伤组织用5-氮胞苷进行处理,5-氮胞苷通过抑制DNA甲基转移酶的活性降低胞嘧啶的甲基化水平。
- There are just four kinds: adenine, thymine, guanine and cytosine. 只有4种:腺嘌呤、胸腺嘧啶、鸟嘌呤和胞核嘧啶。
- Methyl has a special affinity for the C (cytosine) bases of DNA. 甲基与DNA上胞嘧啶(C)这个碱基具有特别的吸引力。
- Researchers at Purdue University used synthetic forms of guanine and cytosine. 美国普渡大学的研究人员使用的是合成的鸟嘌呤与胞嘧啶。
- Some of this damage can be repaired by the DNA methyltransferase MGMT. 这类损伤中有一部分可被DNA甲基转移酶MGMT所修复。
- Among the four bases, cytosine seemed to be more sensitive to ENU (43%). 似乎胞嘧啶(C)更易发生突变(占43%25)。
- SERS Study of Cytosine Adsorbed on Roughened Silver and Gold Electrodes[J]. 引用该论文 吴元菲;李剑锋;吴德印;任斌;田中群.
- The most abundant bases are cytosine, thiamine, and uracil (pyrimidines) and adenine and guanine (purines). 最丰富的碱基是胞嘧啶,胸腺嘧啶,尿嘧啶,腺嘌呤和鸟嘌呤。
- An adenine on one chain is always matched with a thymine* on the other chain, and a guanine with a cytosine. 在一个链上一个腺嘌呤分子总是与另一个链上的一个胸腺嘧啶相匹配,而一个鸟嘌呤总是与一个胞核嘧啶分子相匹配。
- In vitro activity assays confirmed that recombinant OsSET3 was a functional H3K9 methyltransferase while OsSET2 and OsSET4 were not. 利用大肠杆菌表达的OsSET2、OsSET3和OsSET4重组蛋白进行的体外活性检测实验证明OsSET3具有组蛋白H3K9的甲基转移酶活性,而OsSET2和OsSET4不具有该活性。
- The massive researches on histone methyltransferase and effector proteins in recent years have increased our understanding of H3K4 methylation. 随着对组蛋白甲基化转移酶及相关作用蛋白研究的深入,人们对组蛋白H3第4赖氨酸的甲基化的功能也有了更深的了解。
- Objective To explore the role of protein expression of DNA methyltransferase 1(DNMT1) in lung adenocarcinoma carcinogenesis and prognosis. 目的检测肺腺癌中DNA甲基转移酶1(DNMT1)蛋白水平的表达,探讨其在肺腺癌发生中的作用及其预后价值。
- The other two, thymine and cytosine, are single ring structures called pyrimidines. 另两个为胸腺嘧啶和胞嘧啶,即称为嘧啶的单环结构。
- A white,crystalline nucleoside,C9H13N3O5,composed of one molecule each of cytosine and ribose. 胞苷一种白色的晶状核苷,C9H13N3O5,由每个胞核嘧啶和核醣的一个分子构成。
- They found that HP1 proteins, which bind to methylated histones, also interact with the DNA methyltransferase, DNMT1, to stimulate its DNA methylation actiity. 他们还发现与甲基化组蛋白相结合的Hp1蛋白和DNA甲基转移酶(DNMT)即DNMT1之间也存在相互作用,它可激发DNA甲基化活性。
- A white, crystalline nucleoside, C9H13N3O5, composed of one molecule each of cytosine and ribose. 胞苷一种白色的晶状核苷,c9h13n3o5,由每个胞核嘧啶和核醣的一个分子构成
- Objective:To detect the expression of O6-methylguanine-DNA methyltransferase (MGMT),and it s effect of promoter hypermethylation on tumorigenesis and progression. 目的:检测大肠癌组织中O6-甲基鸟嘌呤-DNA甲基转移酶(MGMT)的表达情况及其在肿瘤发生发展中的作用和临床意义。