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replication factor
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  复制因子
     In the filamentous cyanobacterium Anabaena sp. strain PCC 7120, the DNA replication factor DnaE is encoded by two split open reading frames (ORFs) far apart from each other on the chromosome and each of them could contain a split intein element.
     在丝状体的鱼腥蓝细菌菌株Anabaena sp.strain PCC 7120中,DNA聚合酶Ⅲ中的α亚基,复制因子DnaE,由两个分离的开放阅读框架(ORF)所编码,这两个开放阅读框架分别位于Anabaena PCC 7120染色体上的两条链上,并且彼此相距约3.1 M bp,每个开放阅读框架中包含了一个蛋白内含子(内含肽)。
短句来源
     Replication factor C subunit 2 (RFC2) was reported to be associated with DNA duplication, DNA repair, and the function of cellular checkpoint.
     复制因子C亚单位2(replicationfactorCsubunit2,RFC2)与DNA的复制和修复及细胞周期信号检查点的功能有关。
短句来源
     This ORF was believed to be encoded a trans-acting replication factor. The replication origin (oriV) was locate on a 0.3kb NaeI-SalI fragment which was within the ORF region.
     质粒pXZ10145复制起始区在一个NaeI-SalI的0.3kb片段上,位于已确定的复制因子编码框架中。
短句来源
     BACKGROUND &OBJECTIVE: High expression of replication factor C (RFC) mRNA in hydatidiform mole and choriocarcinoma were detected previously with DNA microarray.
     背景与目的:基因表达谱芯片检测发现葡萄胎和绒毛膜癌存在复制因子C(replicationfactorC,RFC)高表达。
短句来源
  相似匹配句对
     economic factor;
     经济因素;
短句来源
     THE DEPOLARIZATION FACTOR
     退极化因子
短句来源
     THE REPLICATION OF CHROMOSOME
     染色体的复制
短句来源
     (2) Replication.
     (2)复制。
短句来源
     Reactivation of HBV replication is an important factor of liver function damage.
     化疗后病毒复制再度活跃是发生肝功损害的重要原因。
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  replication factor
The cellular proteins flap endonuclease 1 (FEN-1), proliferating cell nuclear antigen, replication factor C, DNA ligase I and DNA polymerase delta are required for the repair of this type of DNA lesion.
      
Replication factor C (RFC), which is composed of five subunits, is an important factor involved in DNA replication and repair mechanisms.
      
Characterization of all the subunits of replication factor C from a higher plant, rice (Oryza sativa L.), and their relation to
      
Letter to the Editor: 1H, 15N and 13C resonance assignments of the BRCT region of the large subunit of human Replication Factor
      
Transcripts of the genes ARFC3, encoding a component of the replication factor C, and GAA, encoding a secretory glucoamylase, can be detected only in cells cultured in media with NaCl concentrations below 10%.
      
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A pTSK. series of recombinant plasmids were constructed by cloning DNA fragments of pXZ10145 or its deleted deriviate pATN65 into plasmid vector pACYC177 of E. coli. Experiment results of Coryneform bacteria.transformation with these pTSK plasmids allowed us to localize the essential region for self-replication on plasmid pXZ10145. The minimal replication region of the pXZ10145 was located on a 1.2kb Nael-NruI DNA fragment in which only one open reading frame was found. This ORF was believed to be encoded a...

A pTSK. series of recombinant plasmids were constructed by cloning DNA fragments of pXZ10145 or its deleted deriviate pATN65 into plasmid vector pACYC177 of E. coli. Experiment results of Coryneform bacteria.transformation with these pTSK plasmids allowed us to localize the essential region for self-replication on plasmid pXZ10145. The minimal replication region of the pXZ10145 was located on a 1.2kb Nael-NruI DNA fragment in which only one open reading frame was found. This ORF was believed to be encoded a trans-acting replication factor. The replication origin (oriV) was locate on a 0.3kb NaeI-SalI fragment which was within the ORF region.

将棒杆菌质粒pXZ10145或pNAT65的不同酶切片段装入大肠杆菌质粒pACYCl77中构建了pTSK系列重组质粒。转化棒状类细菌的实验结果确定了质粒pXZ10145上复制必需区的位置。质粒pXZ10145复制最小必需区定位在NaeI-NruI的1.2kb片段上,在这个片段上只有一个约940碱基的阅读框架。它编码一个质粒复制因子,以对位作用方式协助那些不能自我复制但复制起始区仍保持完整的pTSK质粒在棒状类细菌中复制。质粒pXZ10145复制起始区在一个NaeI-SalI的0.3kb片段上,位于已确定的复制因子编码框架中。

BACKGROUND &OBJECTIVE: High expression of replication factor C (RFC) mRNA in hydatidiform mole and choriocarcinoma were detected previously with DNA microarray. Replication factor C subunit 2 (RFC2) was reported to be associated with DNA duplication, DNA repair, and the function of cellular checkpoint. The aim of current study was to investigate the expression levels of RFC2 and proliferating cell nuclear antigen (PCNA) in gestational trophoblastic diseases (GTD) and to explore the relationship of...

BACKGROUND &OBJECTIVE: High expression of replication factor C (RFC) mRNA in hydatidiform mole and choriocarcinoma were detected previously with DNA microarray. Replication factor C subunit 2 (RFC2) was reported to be associated with DNA duplication, DNA repair, and the function of cellular checkpoint. The aim of current study was to investigate the expression levels of RFC2 and proliferating cell nuclear antigen (PCNA) in gestational trophoblastic diseases (GTD) and to explore the relationship of expressions of two proteins with GTD. METHODS: The expression of RFC2 and PCNA were detected with immunohistochemical method in 15 cases of normal villi, 38 cases of hydatidiform moles (HM), 42 cases of invasive moles (IM), and 18 cases of choriocarcinomas (CC). RESULTS: The expression of RFC2 and PCNA were significantly increased in HM, IM, and CC than in normal villi (P=0.000 for RFC2,P=0.004 for PCNA).There was no significant difference of the expression of RFC2 among HM, IM, and CC. The PCNA expression was significantly higher in CC than in HM (P=0.037). PCNA expression was significantly higher in the patients with malignantly transformed molar pregnancy than in the patients without malignantly transformed molar pregnancy (P=0.039). RFC2 expression in no preoperative chemotherapeutic group of gestational trophoblastic tumors (GTT) including IM and CC was significantly higher than that in the group with the chemotherapy of more than 3 cycles (P=0.028). Compared with patients at stageⅠ, patients at stage Ⅲ(WHO) had significantly increased expression of RFC2 (P=0.01). The level of RFC2 was higher in the patients with high risk in WHO prognostic scoring system than that in the patients with low risk (P=0.018). The levels of PCNA were significantly higher in the patients with high risk and middle risk than that in the patients with low risk (P=0.036 and P=0.048, respectively). The expression of PCNA protein was not associated with the preoperative chemotherapy and WHO stage of GTT. The RFC2 expression was positively correlated with the PCNA expression (P=0.000). CONCLUSION: The over expression of RFC2 and PCNA in GTD may be associated with the malignant transformation of HM and the behavior of trophoblastic tumor.

背景与目的:基因表达谱芯片检测发现葡萄胎和绒毛膜癌存在复制因子C(replicationfactorC,RFC)高表达。复制因子C亚单位2(replicationfactorCsubunit2,RFC2)与DNA的复制和修复及细胞周期信号检查点的功能有关。本研究检测RFC2和增殖细胞核抗原(proliferatingcellnuclearantigen,PCNA)蛋白在妊娠滋养细胞疾病(gestationaltrophoblasticdisease,GTD)中的表达情况,探讨二者表达的意义。方法:采用免疫组化SP法检测15例正常绒毛、38例葡萄胎、42例侵蚀性葡萄胎和18例绒毛膜癌组织中RFC2和PCNA蛋白表达情况。结果:葡萄胎、侵蚀性葡萄胎、绒毛膜癌组织中的RFC2和PCNA蛋白表达水平显著高于正常绒毛(PRFC2=0.000,PPCNA=0.004)。葡萄胎、侵蚀性葡萄胎、绒毛膜癌组织中RFC2的表达水平无显著性差异(P值分别为1.000、0.256)。术前未化疗的滋养细胞肿瘤患者(包括侵蚀性葡萄胎和绒毛膜癌)的RFC2表达高于术前化疗≥3疗程者(P=0.028)。WHOⅢ期者RFC2蛋白表达高于Ⅰ期者...

背景与目的:基因表达谱芯片检测发现葡萄胎和绒毛膜癌存在复制因子C(replicationfactorC,RFC)高表达。复制因子C亚单位2(replicationfactorCsubunit2,RFC2)与DNA的复制和修复及细胞周期信号检查点的功能有关。本研究检测RFC2和增殖细胞核抗原(proliferatingcellnuclearantigen,PCNA)蛋白在妊娠滋养细胞疾病(gestationaltrophoblasticdisease,GTD)中的表达情况,探讨二者表达的意义。方法:采用免疫组化SP法检测15例正常绒毛、38例葡萄胎、42例侵蚀性葡萄胎和18例绒毛膜癌组织中RFC2和PCNA蛋白表达情况。结果:葡萄胎、侵蚀性葡萄胎、绒毛膜癌组织中的RFC2和PCNA蛋白表达水平显著高于正常绒毛(PRFC2=0.000,PPCNA=0.004)。葡萄胎、侵蚀性葡萄胎、绒毛膜癌组织中RFC2的表达水平无显著性差异(P值分别为1.000、0.256)。术前未化疗的滋养细胞肿瘤患者(包括侵蚀性葡萄胎和绒毛膜癌)的RFC2表达高于术前化疗≥3疗程者(P=0.028)。WHOⅢ期者RFC2蛋白表达高于Ⅰ期者(P=0.01)。WHO预后评分为高危者,其RFC2表达显著高于低危者(P=0.018)。绒毛膜癌组织中PCNA的表达高于葡萄胎(P=0.037),葡萄胎恶变者PCNA的表达高于未恶变者(P=0.039)。高危组、中危组PCNA的表达高于低危组(P=0.036,P=0.048)。PCNA的表达与滋养细胞肿瘤术前?

Baculovirus DNA polymerase gene belongs to an early gene of baculovirus. It is a necessary gene required for replication of virus in insect cells. It can encode DNA polymerase induced by virus. In the process of replication, DNA polymerase can bind to homologous regions and non-homologous regions, which are believed to act as the origins of virus DNA replication with other replication factors. In addition, DNA polymerase has advantages over occlusion protein and egt gene for resolving...

Baculovirus DNA polymerase gene belongs to an early gene of baculovirus. It is a necessary gene required for replication of virus in insect cells. It can encode DNA polymerase induced by virus. In the process of replication, DNA polymerase can bind to homologous regions and non-homologous regions, which are believed to act as the origins of virus DNA replication with other replication factors. In addition, DNA polymerase has advantages over occlusion protein and egt gene for resolving deep branching taxonomic relationships of baculovirus phylogenies.

杆状病毒DNA聚合酶基因属于杆状病毒早期基因,是杆状病毒复制的必需基因。它编码病毒诱导的DNA聚合酶,能与其它复制因子一起与杆状病毒DNA的同源区和非同源区的顺式作用元件相互作用起始DNA复制。此基因作为杆状病毒系统发育分类的依据,较之包涵体蛋白、egt基因有更大的优势。

 
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