cytochrome b 中文意思是什麼

cytochrome b 解釋
細胞色素b
  1. 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。
  2. Cytochrome b dna sequence difference in species identity

    基因的序列差異
  3. Cytochrome b gene compared with characiforms, cypriniforms and salmoniforms ; ( 2 ) the molecular phylogenetic trees suggest that siluriforms form a monophyletic group and have a close relationship with characiforms ; ( 3 ) the families of pangasiidae, claroteidae, ictaluridae, cranoglanididae, schilbidae and clariidae form a monophyletic group in the three molecular phylogenetic trees. the family bagridae branched with schilbidae which comes from china ; the family akysidae branched with amblycipitidae, but the phylogenetic positions of the families siluridae, sisoridae and pimelodidae are not recognised

    魚芒科、棘脂?科、叉尾?科、長臀?科、刀鯰科與鬍子鯰科在三種方法構建的分子系統樹中均結合在一起，形成一大單系群； ?科均與來自中國的刀鯰科魚類聚在一起；粒鯰科與鈍頭跪科也均聚在一起；但鯰科、 ?科和油鯰科的系統發育位置不定。
  4. 3. the sequence variation of mitochondria ! cytochrome b gene and phylogenetic relationships of anseriformes were studied based on the complete cytochrome b gene sequences of 19 species combined with 4 species got from genbank

    3 、研究測定雁形目鳥類19f mtdna細胞色素b基因全序列，結合genbank中的4個物種，分析了雁形目鳥類細胞色素b基因的序列變異及其分子系統發生。
  5. Among avian orders, the anseriformes ( screamers and waterfowls ) are a morphologically and biologically diverse group containing ca. 150 species distributed worldwide except antarctica. this paper will review the phylogeny of anseriformes firstly and then discuss the molecular phylogeny of anseriformes based on the genetic variation of mitochondrial 12s rrna gene and cytochrome b gene respectively

    本文首先對雁形目鳥類的系統發生研究進行了綜述，然後分別基於雁形目鳥類線粒體dna12srrna基因和細胞色素b基因全序列的遺傳變異分析，探討了雁形目鳥類分子系統發生。
  6. Aligned with cytochrome b sequences from 29 siluriforms in japan, korea, russia, africa, north america and south america retrieved from genbank, and selected astyanax mexicanus, phenacogrammus interruptus, cyprinus carpio and oncorhynchus mykiss as outgroups, which are belonging to characiformes, cypriniformes and salmoniformes, respectively. we constructed a matrix of 65 dma sequences. the kimura ' s two - parameter distances were calculated and molecular phylogenetic trees were constructed by using the maximum parsimony ( mp ), maximum likelihood ( ml ) and neighbor - joining ( nj ) methods

    所得序列與從genbank下載的分佈於非洲、北美洲和南美洲等地的鯰形目魚類同一基因序列進行排序，並選用脂鯉目（ characiformes ）的墨西哥麗脂鯉（ astyanaxmexicanus ） 、斷線脂鯉（ phenacogrammusinterruptus ） ，鯉形目（ cypriniformes ）的鯉（ cyprinuscarpio ）以及鮭形目（ salmoniformes ）大麻哈魚屬的oncorhynchusmykiss作外類群。
  7. Cytochrome b ( cyt b ) is one of the most widely used molecular markers in animal molecular phylogenetic studies

    線粒體蛋白質編碼基因細胞色素b （ cytb ）是動物分子系統學應用最廣泛的分子標記之一。
  8. 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。
  9. 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。
  10. The mitochondrial dma cytochrome b gene was sequenced from 32 siluriforms which are belonging to 22 genera and 10 families

    本研究通過pcr技術獲得了鯰形目10科22屬32種魚類線粒體dna細胞色素b基因1138bp全序列。
  11. Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions

    細胞色素b基因序列變異分析表明： 1 ）雁形目鳥類細胞色素b基因全序列長度一致，無插入和缺失：對照雞線粒體密碼子系統全序列能全部翻譯成氨基酸序列，無無義突變，全序列內部無終止密碼子； 2 ）序列比對后1143加，含416個核著酸變異位點， 306個簡約信息位點，其中處於密碼子第三位的變異最大，第一位和第二位堿基的變異相對較小。
  12. 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。
  13. Huangyal4 was complete nucleotide sequence of 1 854 bp with a nucleotide orf ( 1575 bp ), which encoded a protein consisting of 524 aa with molecular weight of 62. 2 kda and pi of 8. 96. strongly basic ( + ) amino acids, strongly acidic ( - ) amino acids, hydrophobic amino acids and polar amino acids of the protein were 13. 74 %, 11. 64 %, 36. 45 % and 22. 70 % respectively, and predicted secondary structure of the protein revealed many conserved domains such as n - glycosylation site, protein kinase c phosphorylation site, casein kinase ii phosphorylation site, n - myristoylation site, camp - and cgmp - dependent protein kinase phosphorylation site, tyrosine kinase phosphorylation site and a cytochrome p450 cysteine heme - iron ligand signature which was typical of cytochrome p450. a - helix and b - sheet of the protein is 47. 7 %, 45. 0 % respectively

    Huangya14 ）為材料分離克隆到一個細胞色素p450基因，命名為bccyp86mf5 ， cdna全長1854bp ，含1575bp的完整開放閱讀框，編碼524個氨基酸，其編碼蛋白質的分子量為61 . 2kda 、等電點為8 . 96 ；堿性氨基酸、酸性氨基酸、疏水氨基酸和極性氨基酸分別占總氨基酸的13 . 74 、 11 . 64 、 36 . 45和22 . 70 ；二級結構預測包括n -糖基化位點、依賴于camp和cgmp的蛋白激酶磷酸化位點、蛋白激酶c磷酸化位點、酪蛋白激酶磷酸化位點、酪氨基酸激酶磷酸化位點、 n -豆蔻酰化位點和細胞色素p450的典型區域，半胱氨酸亞鐵血紅素配體信號區等， -螺旋和-折疊分別佔47 . 7 、 45 . 0 ；與bccyp86mf1基因的氨基酸序列同源性達到95 . 2 ，與擬南芥cyp86c4的達到85 . 9 。
  14. Sequence variation analysis exhibits high transition to transversion substitution ratios, and transitions and transversions are unsaturated in the sequence of cytochorme b gene. the base composition of the cytochrome b sequences was highly biased. using a structural model of the cytochrome b protein as a template, we divided cyt b sequence data for species within anserifomes into three functional domains

    3 ）序列具有較高的轉換顛換比，基因序列中的轉換與顛換都未飽和，序列中的堿基組成高度偏倚： 4 ）按照細胞色素為蛋白結構模型，細胞色素b基因全序列可分為三個功能區，堿基替換飽和狀況與不同功能區相關聯。
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