跨损伤dna复制造句

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跨损伤dna复制跨损伤DNA复制（Translesion Synthesis)也被称为“跨缺刻复制”或备份复制（Backup synthesis)，是指当细胞处于较强烈而持久的SOS应答（SOS Response)生理条件下，一些受SOS机制控制的可诱导性DNA聚合酶得到表达，包括大肠杆菌细胞中的DNA聚合酶IV（DinB)和DNA聚合酶V（UmuC，活性形式是和2个分子的UmuD'形成的...
跨损伤dna合成跨损伤DNA合成（translesion DNA synthesis,TLS），又称为损伤旁路（damage bypass）是近年来新发现的参与DNA修复的又一机制。跨损伤DNA合成，这是一种利用损伤核苷酸为摸板，通过DNA聚合酶使碱基掺入到复制终止处进行DNA合成，从而延长DNA的修复。
dna dependent dna polymerase Examination of the " pol " genes that encode the DNA dependent DNA polymerase in various groups of viruses suggests a number of possible evolutionary relationships.
dna-dna hybridization The 7 isolates were identified based on physiological and biochemical characterization , 16s rdna sequence , g + c mol % and dna - dna hybridization . isolate tl was identified as bacillus...
dna复制参与真核生物的DNA复制起始过程。参与DNA复制、转录、修复与重组。 DNA复制出现在结构蛋白合成之前。定义：DNA复制的一种错误的假说。本作他被收录在DNA复制能力变身。 2.癌细胞DNA复制与基因组稳定性。定义2：DNA复制后，对DNA损伤的修复。有丝分裂间期DNA复制，数目加倍。环状DNA复制过程的一个中间体。定义：DNA复制时作为引物的小片段RNA。 ...
dna复制起点 DNA复制起点决定了复制的起始和起始频率。围绕在SV40DNA复制起点周围约400bp的DNA区段，是十分引人注意的。具有DNA复制起点，可启动质粒在酵母细胞中独立复制的DNA序列。 a.参与复制水平的调节反向序列常存在于DNA复制起点区的附近。引发体可以在单链DNA上移动，在dnaB亚基的作用下识别DNA复制起点位置。 DNA合成的起始位点和DNA复制起点(遗传位点...
dna复制叉 Sos induced pol iv increases untargeted mutagenesis not only in a phage , but also in chromosome of e . coli , characterized as - 1 frameshift mutation
dna半保留复制全息元之间全息：即由同源精源物质演化的生命每一相对独立部分，由于精源细胞的DNA半保留复制，复制后都形成了完全相等的DNA基因，因此，每一独立部分拥有了完全相同的基因。 DNA半保留复制是：DNA在进行复制的时候链间氢键断裂，双链解旋分开，每条链作为模板在其上合成互补链，经过一系列酶（DNA聚合酶、解旋酶、链接酶等）的作用生成两个新的DNA分子。 ②姐妹染色单体互换测试法，...
dna损伤具有减轻DNA损伤和提高修复作用。另外，垃圾DNA还是DNA损伤的修复者。。④诱发DNA损伤（见遗传变异）。定义2：DNA复制后，对DNA损伤的修复。致突变性：DNA损伤,大肠杆菌50umol/L。致突变性：DNA损伤：大肠杆菌50umol/L。组蛋白修饰还参与DNA损伤和凋亡。 DNA损伤：哺乳动物淋巴细胞100mmol/L。遗传学终点是原发性DNA损伤。 ...
dna损伤剂等一些DNA损伤剂都具有极强抗性的微小球菌。抗辐射菌是一种对电离辐射、紫外线及其他DNA损伤剂都具有显著抗性的微球菌。是迄今为止发现的对电离辐射、紫外线和一些DNA损伤剂都有极强抵抗能力的微小球菌。抗辐射菌Deinoeoccus radiodurans(Dr)是一种对电离辐射，紫外线及其他一些DNA损伤剂具有显著抗性的微球菌。一种DNA损伤剂往往可以同时引起几种类型...
dna损伤修复 DNA损伤修复的一种方式，由DNA光裂合酶(photolyase)催化。因此，它在DNA损伤修复与细胞凋亡中发挥着重要作用。因此,它在DNA损伤修复与细胞凋亡中发挥着重要作用。 1949年光复活作用发现后,DNA损伤修复的研究也迅速推进。已有的研究表明该独特抗性归功于其高效精确的DNA损伤修复能力。研究还发现，衰老时DNA损伤修复能力下降，蛋白质非酶糖基化增强。已...
跨损伤跨损伤DNA合成（translesion DNA synthesis,TLS），又称为损伤旁路（damage bypass）是近年来新发现的参与DNA修复的又一机制。跨损伤DNA合成，这是一种利用损伤核苷酸为摸板，通过DNA聚合酶使碱基掺入到复制终止处进行DNA合成，从而延长DNA的修复。作为973课题“机体对ECPs致DNA损伤的耐受与适应机制及外遗传通路的研究”主要...
复制品的复制如此说来，一幅画中的狗就是复制品的复制品。 A：原本对他而言，复制品的复制品（指死徒27祖）连搔痒都是做不到的，被称为死徒27祖的集团，也单单只有名义上，有这悠久历史的吸血种的总称而已。
16s ribosomal dna Based on molecular phylogenetic analyses of the cytochrome oxidase gene and 16S ribosomal DNA, " Nyctiphanes " is believed to have evolved during the Miocene. Some of the molecular methods...
a dna The gene is a DNA blueprint for a protein called huntingtin. It would be nice to go right to a DNA test. "It's like a DNA print ." The partners are entering an emerging field known as DNA ...
a taste of dna The jury got a taste of DNA results last week. The group's 10-minute debut album, " A Taste of DNA " was recorded for Kip Hanrahan's " American Clav?" label, and was later released on Roug...
a very dna reunion His most recent short play, " A Very DNA Reunion " was written for the evening of plays " The DNA Trail ", which was conceived by Jamil Khoury and premiered at the historic Chicago Temple ...
activator dna sequences Activators generally bind poorly to activator DNA sequences unless an inducer is present.
amplification of dna MALBAC offers an unbiased approach to the amplification of DNA from a single cell. TRFLP works by PCR amplification of DNA using primer pairs that have been labeled with fluorescent tags. ...
amplitaq dna polymerase Pcr products were purified with qiaquick pcr purification kit , followed by sequencing using the big dye terminator cycle sequencing ready reaction kits used with amplitaq dna polymerase f...
ancient dna Blood typing and ancient DNA sampling on Egyptian mummies is scant. Attention was now turned to studies based on ancient DNA from fossil canids. A Paleogenomic Perspective on Evolution and...
ancient dna analysis At the molecular level, ancient DNA analysis can be used both to identify the species and to provide dietary information. Ancient DNA analysis of Oase 2 found that 6 %-9 % of the specimen'...
anonymous dna The objectives of Wellcome and the Medical Research Council could be achieved more quickly and cheaply by laying down a bank of anonymous DNA samples from a few thousand cases of each dise...
anti-dna Presently , the scientist have made out some successes by using biotechnology and molecuology , for example , planting out regeneration shoots , culture suspended cell in ferment tank , sc...
antisense dna But antisense DNA has not yet proved successful in treating any condition. Additionally, these nanoparticles can be made to release antisense DNA oligonucleotides when under photo-activati...