检索结果-南通市图书馆

Rad9 Plays an Important Role in DNA Mismatch Repair through Physical Interaction with MLH1

在线全文

学校读者我要写书评

暂无评论

Rad9 Plays an Important Role in DNA Mismatch Repair through ...

Gravity anomaly during the Mohe total solar eclipse

2.08年全国生物化学与分子生物学学术大会

作者： Wei He~(1,2. Yun Zhao~(1,2. Chun-bo Zhang~(1,5) Li-li An~(1,2. Zhi-shang Hu~(1,2. Yu-heng Liu~(1,2. Lu Han~(1,2. Li-jun Bi~3.Zhen-sheng Xie~4 Peng Xue~4 Fu-quan Yang~4 Hai-ying Hang~(1,2. 1 National Laboratory of Biomacromolecules 2.Center for Infection and Immunity 3.Center for Systems Biology 4 proteomics Platform,Institute of Biophysics.{2. Academy of sciences.beijing 100101,{3. 5 College of Life Science.Capital Normal university,beijing 10003.,{3.

Rad9 is conserved from yeast to human and plays roles in DNA repair (homologous recombination repair, nucleotide excision repair and base pair excision repair) and cell cycle checkpoint *** has not been reported wheth...

关键词：

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

Gravity anomaly during the Mohe total solar eclipse

一种适用于分组密码算法芯片的IP核设计研究

中国科学院地质与地球物理研究所2.01学术年会

作者： WANG Qianshen~1,YANG Xinshe~(1,2. & TANG Keyun~1 1.Institute of Geophysics,chinese Academy of sciences,{2. 100101,{3. 2.Department of Applied Mathematics,university of Leeds,Leeds LS2.9JT,UK

By using a high-precision LaCoste-Romberg (D-12.#) gravimeter,continuous and precise measurements were carried out during the March 9,1997 total solar eclipse in the Mohe region in Northeast *** gravity variations were digitally recorded during the total solar eclipse so as to investigate the possible anomaly of the sun and the moon’s gravitational fields on the *** the careful processing and analysis of the observed data,no significant anomaly during the very solar eclipse has been ***, there are two ’gravity anomaly valleys’ with near symmetrical decrease of about 6—7μGal at the first contact and the last contact This is the anomaly phenomenon observed and reported for the first time in the *** note presents some analyses and discussions.

关键词： Mohe total solar eclipse gravity anomaly

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

计算机工程与应用 2002年第22期38卷 60-62,92页

作者：张文婧吕述望刘鸣刘振华中国科技大学研究生院信息安全国家重点实验室北京100039 清华大学微电子研究所北京100084

文章对一种适用于分组密码算法的循环移位器IP核的设计进行了研究,该IP核的可重构设计使其具有可复用性。文章在进行循环移位运算的算法和性能分析的基础上,对循环移位器IP软核与硬核的设计作了详细阐述。

关键词：分组密码算法芯片 IP核设计循环移位器

Studies on Glycosides(Ⅺ)──A Convenient Stereoselective Synthesis of 1-O-Aryl-α-D-glucopyranosides from Glucosyl Trimethylsilyl Ether

在线全文

学校读者我要写书评

暂无评论

Chemical Research in chinese Universities 1995年第4期11卷 370-372页

作者： LI Zhong-jun QIU Dong-Xu WANG Yan-feng and CAI Meng-Shen(School of Pharmaceutical sciences,beijing Medical {2.,beijing,100083.

ＳｔｕｄｉｅｓｏｎＧｌｙｃｏｓｉｄｅｓ（Ⅺ）──ＡＣｏｎｖｅｎｉｅｎｔＳｔｅｒｅｏｓｅｌｅｃｔｉｖｅＳｙｎｔｈｅｓｉｓｏｆ１－Ｏ－Ａｒｙｌ－ａ－Ｄ－ｇｌｕｃｏｐｙｒａｎｏｓｉｄｅｓｆｒｏｍＣｌｕｃｏｓｙｌＴｒｉｍｅｔ... 详细信息

ＳｔｕｄｉｅｓｏｎＧｌｙｃｏｓｉｄｅｓ（Ⅺ）──ＡＣｏｎｖｅｎｉｅｎｔＳｔｅｒｅｏｓｅｌｅｃｔｉｖｅＳｙｎｔｈｅｓｉｓｏｆ１－Ｏ－Ａｒｙｌ－ａ－Ｄ－ｇｌｕｃｏｐｙｒａｎｏｓｉｄｅｓｆｒｏｍＣｌｕｃｏｓｙｌＴｒｉｍｅｔｈｙｌｓｉｌｙｌＥｔｈｅｒＬＩＺｈ...

关键词： Glucosyl trimethylsilyl ether,Glycosylation Stereoselectivity

Alginate-Chitosan Microcapsules for Renal Arterial Embolization

在线全文

学校读者我要写书评

暂无评论

Journal of chinese Pharmaceutical sciences 2003年第3期12卷 170-171页

作者： LI Sha, HOU Xin pu(Department of Pharmacy, School of Pharmaceutical sciences, Peking university, {2. 100083.{3.) Department of Pharmacy School of Pharmaceutical Sciences Peking University

Two natural, nontoxic, biodegradable and well biocompatible polyelectrolyte polymers, sodium alginate (Alg) and chitosan (CTS), which contain opposite charges, were selected to establish alginate-chitosan microcapsule... 详细信息

关键词： sodium alginate chitosan microcapsules electrostatic interaction adriamycin sodium salicylate acyclovir bovine serum albumin renal arterial embolization cancer cell strains growth inhibition in vitro

MicroRNA miR-2. inhibits erythropoiesis by targeting activin type Ⅰ receptor ALK4

在线全文

学校读者我要写书评

暂无评论

MicroRNA miR-24 inhibits erythropoiesis by targeting activin...

中国遗传学会“发育、遗传和疾病”研讨会

作者： Qiang Wang~1 Zheng Huang~2.Huiling Xue~2.Chengcheng Jin~1 Xiu-Li Ju~3.Jing-Dong J.Han~2.Ye-Guang Chen~(1#) 1 State Key Laboratory of Biomembrane and Membrane Biotechnology,Department of Biological sciences and Biotechnology,Tsinghua {2.,beijing 100084,{3. 2.CAS Key Laboratory of Molecular Developmental Biology and Center for Molecular Systems Biology,Institute of Genetics and Developmental Biology,the chinese Academy of sciences,Beifing 100101, china 3.Department of Pediatrics,Qilu Hospital of Shandong {2.,Jinan 2.0012.{3.

MicroRNAs have been suggested to modulate a variety of cellular *** we report that miR-2. regulates erythroid differentiation by influencing the expression of human activin type I receptor ALK4(bALK4).Ectopic expression of miR-2. reduces the mRNA and protein levels of bALK4 by targeting its 3.-untranslated region and interferes with activin-induced Smad2.phosphorylation and reporter ***,miR-2. represses the activin-mediated accumulation of hemoglobin,an erythroid differentiation marker,in erythroleukemic K562.cells and decreases erythroid colony-forming and burst-forming units of CD3.+ hematopoietic progenitor ***4 expression is reversely correlated with miR-2. expression during erythroid ***,our findings define a regulation mode of miR-2. on erythropoiesis by impeding ALK4 expression.

关键词： ALK receptor ALK4 MicroRNA miR-2. inhibits erythropoiesis by targeting activin type miR

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

大质量恒星形成的观测和研究

天文学进展 2001年第2期19卷 246-248页

作者：吴月芳北京大学天文学系

对于大质量星的形成，由于区域的遥远和结构的复杂以及过程的特殊，研究相对迟缓．对可能形成大质量星的云核和大质量年轻星体的活动，进行了多波段搜寻和研究．取得了相应的进展．

关键词：星际物质星际分子喷流外流恒星形成云核 CO同位素谱线天图

Fine mapping quantitative trait loci affecting milk production traits on bovine chromosome 6 in a chinese Holstein population

在线全文

学校读者我要写书评

暂无评论

Journal of Genetics and Genomics 2009年第11期36卷 653-660页

作者： Gui Mei 1,Cengceng Yin 1,Xiangdong Ding,Qin Zhang State Key Laboratory for Agrobiotechnology,Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture,College of Animal Science and Technology,china Agricultural university,{2. 100193.china [b]State Key Laboratory for Agrobiotechnology Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture College of Animal Science and Technology China Agricultural University Beijing 100193 China

To fine map the previously detected quantitative trait loci （QTLs） affecting milk production traits on bovine chromosome 6 （BTA6）, 15 microsatellite markers situated within an interval of 14.3.cM spanning from BMS690 to BM452. were selected and 918 daughters of 8 sires were genotyped. Two mapping approaches, haplotype sharing based LD mapping and single marker regression mapping, were used to analyze the data. Both approaches revealed a quantitative trait locus （QTL） with significant effects on milk yield, fat yield and protein yield located in the segment flanked by markers BMS483.and MNB2.9, which spans a genetic distance of 0.6 cM and a physical distance of 1.5 Mb. In addition, the single marker regression mapping also revealed a QTL affecting fat percentage and protein percentage at marker DIK2.91. Our fine mapping work will facilitate the cloning of candidate genes underlying the QTLs for milk production traits.

关键词： fine mapping QTL Bos Taurus autosome 6 milk production traits

在线全文

学校读者我要写书评

暂无评论

植物螯合肽及其在抗重金属胁迫中的作用

生态学报 2003年第10期23卷 2125-2132页

作者：蔡保松雷梅陈同斌张国平陈阳浙江大学农业与生物技术学院浙江杭州310029 中国科学院地理科学与资源研究所环境修复室北京100101

植物螯合肽 (PCs)广泛存在于植物体中 ,与植物抗重金属胁迫关系密切。植物螯合肽及其复合物是一类富含半胱氨酸的低分子量化合物。现有研究证明 ,PCs由谷胱甘肽 (GSH)为底物的酶促反应合成 ,其合成受相关基因的调控 ,从模式植物拟南芥... 详细信息

植物螯合肽 (PCs)广泛存在于植物体中 ,与植物抗重金属胁迫关系密切。植物螯合肽及其复合物是一类富含半胱氨酸的低分子量化合物。现有研究证明 ,PCs由谷胱甘肽 (GSH)为底物的酶促反应合成 ,其合成受相关基因的调控 ,从模式植物拟南芥的突变体中已分离到与 PCs合成有关的几个基因。植物螯合肽首先与重金属离子结合形成低分子量 (LMW)复合物 ,以此形态经由细胞质进入液泡后 ,再与一个分子的植物螯合肽结合 ,形成对植物组织毒性较小的高分子量 (HMW)复合物 ,从而达到缓解重金属对植物的危害作用。就植物螯合肽及其复合物的结构、生物合成、基因调控及重金属解毒机理等进行了综述。

关键词：植物螯合肽重金属植物毒性抗性