b dna 中文意思是什麼

b dna 解釋
片段與八聚體組蛋白
  • b :
  • dna : 1. deoxyribonucleic acid 【生物化學】去[脫]氧核糖核酸。2. deoxypentose-nucleic acid 去[脫]氧戊糖核酸。
  1. Unlilie other cells that also use the salvage pathway for purine biosynhesis, prolfferating b and t cells are solely dependent on the de novo pathway for the generation of wsine. by blocking impdh, b and t cells cannot synthesise the necessary levels of ana and dna to molm a proliferathe response to ags and ndogens

    根據對balb c和c57bl 6小鼠互為供、受者進行移植的結果表明，在排斥發生時間上不同的鼠株移植組合存在差異b 0刀勻， balb兒小鼠的同種應答強度較c57bl 6小鼠為弱。
  2. Protective immunity to schistosoma japonicum elicited by co - immunization of cathepsin b dna vaccine with eukaryotic plasmid encoding il

    4真核表達質粒聯合免疫誘導小鼠保護性的研究
  3. Two captive populations could n ' t be defined as separate evolutionary significant units ( esus ) because of lacking of genetic divergence between them, and should be considered as a single esu in the conservation of the species. by comparing the sequences of control region of mitochondrial dna from three species of crocodiles, it is revealed that the smallest genetic diversity exists between alligator sinensis and alligator mississipiensis. a portion of mitochondrial nd4 and cytochrome b gene of 3 species of crocodilian was sequenced

    百年來關于揚子鱷的分類地位存在著很多爭議，本文利用測得的揚子鱷（ alligatorsinensis ） 、暹羅鱷（ crocodlylussiamensis ）和灣鱷（ crocodylusporosus ）的mtdnand4和cytb基因序列，以及從genbank中獲得密西西比鱷、凱門鱷和海龜（ cheloniamydas ）的nd4基因和cytb基因相應片段，構建以海龜為外群的系統進化樹。
  4. Two primers, designed according to the conserved regions of ban gene in arabidopsis thaliana, were used to amplify the ban homologous fragments from the genomic dna of brassica napus, b. chinensisl, b. juncea, a. thaliana and other cultural plants of cruciferae. the very similar pcr fragments were obtained from all the amplifications, which implicated that ban may be a conserved gene existing widely in the genomes of cruciferae. pcr fragments were cloned and confirmed by restriction enzyme digestion

    參照擬南芥（ arabidopsisthaliana ） ban基因與cdna設計引物，對甘藍型、白菜型、芥菜型油菜，擬南芥及其它十字花科栽培品種的基因組dna進行pcr擴增，均擴增出與擬南芥ban基因擴增片段大小極其相似的dna片段，提示ban可能廣泛存在於十字花科植物中。
  5. Cytochrome b dna sequence difference in species identity

    基因的序列差異
  6. Abstract : selective mechanisms exist in organism and biosphere, which select the cells with less dna injuy and reproduces them. there are two models ; mechanisms 1 and mechanisms 2, represented respectively b bacteria and mechanolytes of human beings. cells with mechanisms 1 ( e. g. bacteria, generative cells, cancer cells ) can reproduce infinitely, while somatic cells can not. there are deep - going reasons behind the two categories of selective mechanisms. the canceration of the cells is a degenerating process from mechanisms 2 to mechanisms 1

    摘要生物界存在一類篩選機制，它將dna損傷較小的細胞篩選出來，產生後代.主要有兩類模式機制1和機制2 ，分別以細菌和人的成纖維細胞為代表，那些具有篩選機制1的細胞（如:細菌、生殖細胞、癌細胞）能無限傳代，而體細胞則不能.這兩類篩選機制背後有更深刻的原因，而細胞的癌變正是從機制2退化為機制1的過程。
  7. To test the p7 promoter activity, a series of constructs were obtained by cloning the different dna fragments into the luciferase gene reporter vector pgl3 - b. when the constructs were transiently transfected into thp - 1 cells, luciferase activity assay showed that the core region of p7 promoter located at - - 165 bp

    第一部分的工作首先通過對人acat - 1基因p7啟動子序列進行5 '和3 ' -端的缺失的詳細分析，結果顯示最大報告基因轉錄表達活性位於- 612 - 165bp區段。
  8. Phenotypes and functions of dendritic cells derived from peripheral blood monocytes of chronic hepatitis b patients with different hbv dna loads

    不同病毒載量的慢性乙型肝炎患者外周血樹突狀細胞的表型和功能
  9. Sequencing analysis showed that the sequence of endoglucanase fragment exhibits 35 % homology with b. subtil is chromosomal dna ( from glyb to apre ), and 27 % homology with bacillus sp

    將此重組質粒phchi轉化巨大芽抱桿菌b . megateriumap25 ，得到兩株轉化子，分別命名為p25113一9 ， p25113一10 。
  10. We designed one primer pairs ctb - 1, ctb - 2 to amplify about 580bp of cyt b gene sequence as a molecular marker to analyze phylogenetic relationship of 14 species of oedipodidae in china. dna sequences were aligned using clustal x, followed by refinement by eye based on the corresponding deduced amino acid sequences. after cutting off 5 " and 3 " termini unaligned sequences, we get 462 bp segment

    本研究從分子生物學角度入手，採用cytb作為分子標記，採用自行設計的一對cytb基因特異引物ctb - 1 、 ctb - 2 ，通過pcr技術，共獲得斑翅蝗科4個亞科14個種的代表個體以及癩蝗科1個種的代表個體的580bp左右的cytb部分序列。
  11. Relationship between hbv dna in peripheral blood mononuclear cells and syndrome types of tcm in chronic hepatitis b patients

    慢性乙型肝炎患者外周血單個核細胞內hbv dna與中醫證型關系的研究
  12. 4. genomic dna was extracted from some animal products provided by nanjing customs. partial mitochrondrial dna cytochrome b ( cyt b ) gene was amplified and sequenced

    對南京海關送檢的部分動物產品進行基因組dna提取， mtdnacytb基因的中文摘要pcr擴增和序列測定。
  13. Molecular systematics of partial species belonging to 5 subfamilies of miridae are investigated in this study by using esterase isozyme ( est ) and cytochrome b ( cyt b ) gene in mitochondrial dna as molecular marks

    運用酯酶同工酶和線粒體dna中編碼細胞色素b蛋白質的基因cytb作為分子標記，對盲蝽科miridae的5個亞科的部分種類進行了分子系統學研究。
  14. Cell immune response induced by hepatitis b virus dna vaccine in mice

    乙肝病毒核酸疫苗誘導小鼠細胞免疫應答的研究
  15. Study and primary application of the screening model for antituberculosis drugs with dna gyrase b subunit as a target

    亞基為靶點的抗結核藥物篩選模型的建立及初步應用
  16. The 496 bp fragment of the orf of p22 gene and a 561 bp fragment were amplified from the genomic dna of zs strains of toxoplasma gondii. both 496 bp and 561 bp fragments were successfully cloned into the plasmid pthiohisa, b, c and pbudce 4. 1 respectively. 2

    從弓形蟲zs株基因組中擴增出p22編碼基因的一長496bp ，另一長561bp的片段，並成功構建含p22編碼基因的原核質粒重組體pthiohisa ， b ， c / p22 ，及真核重組表達質粒pbudce4 . 1 / p22 。
  17. In this study, we attempted to construct an engineering strain producing only avermectin bl through the replacement of dna encoding dh2 - kr2 domains of the avermectin pks ( avedh2 - kr2 ) with dna encoding dh2 - kr2 domains from the pikromycin pks in s. avermitilis olm73 - 12, producing only avermectins b and no oligomycin. gene replacement vector pxl201 ( pkc1139 : : 5 ' flank + pia : dh2 - kr2 + 3 ' flank ) was used to transform 5. avermitilis olm73 - 12 protoplasts

    我們以不產寡黴素而僅產阿維菌素b的工程菌olm73 - 12為出發菌株，用委內瑞拉鏈黴菌（ streptomycesvenezuelae ）中編碼pikromycinpks模塊2上完全活性的dh和酮基還原酶（ kr ）的dna區域對olm73 - 12染色體上編碼阿維菌素pks模塊2中dh和kr的區域進行取代，試圖構建僅產b1組分的基因工程菌。
  18. All these characters were parsimoniously analyzed using paup4. 0. mitochondrial dna cytochrome b gene was adopted to discuss the sequences variations among the populations of sinibrama species and used to reconstruct the phylogenetic relationships between the genus sinibrama and some related cultrinae genera. on the basis of the analytical result, the hypothesized relationship of cultrinae by previous authors were testified

    運用線粒體dna細胞色素b基因序列對華鯿屬及其相關類群進行了系統發育重建，以探討華鯿屬魚類不同地理居群的cytb序列變異及與其他相關類群的系統發育關系，並驗證前人的一些研究結果。
  19. Comparing thl2 dna encoding region of b. olereacea l. with that of b. napus l., 4 different bases were found, and three of them led to the alteration of amino acids

    比較甘藍和油菜的thl2dna ，發現在編碼區有4處堿基不同，其中有3個堿基的突變造成了氨基酸的變化。
  20. Influence of cpg - odn on immune effects of hepatitis b dna vaccine and recombinant hepatitis b vaccine

    對乙肝核酸疫苗及重組疫苗免疫效果的影響
分享友人
分享到 Line

分享到臉書