cytochrome a 中文意思是什麼

cytochrome a 解釋

  • cytochrome : n. 【生物學】細胞色素。
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時,冠以不定冠詞主要表示類...
  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. Ceo22 is used as optical materials, polishing agents, ultraviolet absorption materials, the cleaning catalyst of car ' s waste gases, chemical decolorant of glass, radiation - resisting glass permanent magnet, electronic ceramics etc. if it is processed into nanoparticles, it will exhibit some novel properties led to varied applications. for example, ceo22 nanocrystal is a better promoter of cytochrome c and the stabilizer of zro22 ceramics. because of its high index of refraction and good stability, it is used to produce reduced reflection film

    Ceo _ 2是一種廉價而用途極廣的材料,如用於發光材料、拋光劑、紫外吸收材料、汽車尾氣凈化催化劑、玻璃的化學退色劑、耐輻射玻璃、永磁體、電子陶瓷等,其納米化后將出現一些新的性質及應用,如ceoz納米晶是細胞色素c的良好的催進劑,還用作zro :陶瓷的穩定劑,由於ceo :折射率高,穩定性好,常用於制備減反射膜等。
  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. ( 4 ) a complete cdna sequence of ovcyp86mf gene as one of cytochrome p450 gene superfamily from orychophrogmiis violaceus showed 1

    核營酸的替換土要以轉換為土,表現出高的轉換偏倚。
  5. Cytochrome p450 play a critical role in plant secondary metabolites synthesis as an ancient gene superfamily

    細胞色素p450是一個古老的基因超家族,在植物次生物質的代謝合成中起著極為重要的作用。
  6. 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。
  7. 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。
  8. The morphological diagnostic characters for many mature and early instar larvae are still lacking in china. partial sequences of the mitochondrial cytochrome oxydase i and ii and a transfor rna ( co i co ii and trna ) gene of the adults and larvae from caddisflies were. lepidostomaflavum, l. fui, l. arcuatum, paraphlegopteryx morsei, apsilochorema unculatum and apsilochorema hwangi, and the larval and adult stages of these species were sequenced and associated

    採用dnastarpackage中的editseq軟體進行序列編輯、 orf查找;採用clustalx軟體進行序列比對( alignment ) ;比對結果輸入mega2 . 1軟體計算各樣品間的遺傳距離,並基於kjmura2 - parameter模型,用鄰接法( neighbor - jojning , nj )構建系統發生樹,通過自展( bootstrap1000次)檢驗獲得系統樹分支的置信度。
  9. New york ( reuters health ) dec 19 - carriers of a polymorphism of the cytochrome p450 enzyme are at higher risk of miscarriage in the first trimester of pregnancy, karolinska university investigators report in the november issue of fertility and sterility

    紐約(路透社健康版) 12月19日? ?卡羅琳斯卡大學的研究者在11月號的《生育與不育》上撰文指出,細胞色素p450酶多態性攜帶者妊娠早期流產的風險要大一些。
  10. Flavonoid - 3 ', 5 ' - hydroxylase ( f3 ', 5 ' h ) corresponding to the genetic loci hfl and hf2, a member of the cytochrome p450 family, is the key enzyme in the anthocyanin biosynthesis, which is generally required for blue or purple flowers

    本研究以紫藍色矮牽牛基因組dna為模板,利用pcr技術獲得了兩個擴增產物,分別將其克隆至pgem - teasyvector上,進行了全序列分析。
  11. Genetic polymorphism in cytochrome p450 2e1, salted food and colorectal cancer susceptibility : a case - control study

    腌製品與大腸癌關系的病例對照研究
  12. 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 。
  13. One relied on the dna sequence of a gene called cytochrome oxidase

    第一種方式是根據一種叫做細胞色素氧化酶基因的dna序列。
  14. The electrons are transferred along the chain to a carrier molecule ( coenzyme q ), and then in sequence to a series of cytochromes, finally acting with the enzyme cytochrome oxidase to reduce an oxygen atom, which combines with two h + ions to form water

    電子沿呼吸鏈傳遞到載體分子? ?輔酶q上,然後依次經過一系列細胞色素分子的傳遞,最後與細胞色素氧化酶反應,氧原子結合兩個氫形成水從而被還原。
  15. Chromosome numbers were no remarkable difference with the control. analysis of isoenzyme ( peroxidase, cytochrome oxidase, esterase ) and rapd indicated that the regenerated plants from protocalli were different with the control. protoplasts were isolated from agrobacterium rhizogenes a ^ transformed cell line of medicago sativa l.

    染色體檢查,同工酶(過氧化物酶、細胞色素氧化酶、酯酶)和rapd分析表明,來源於抗性系原生質體的再生植株具一定的遺傳穩定性,但與野生型相比亦發生了一些變異。
  16. 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。
  17. Cytochrome p450 ( p450 ) is a heme enzyme, whose co complex gives soret absorption at 450 nm in its optical absorption spectrum

    細胞色素p450是一類能與co結合,形成的復合物在450nm附近具有最大吸收峰的血紅蛋白的總稱。
  18. The term " cytochrome p450 " first appeared in literature in 1962. it was a microsomal membrane - bound hemoprotein without known physiological functions at that time and was characterized by a unique 450nm optical absorption peak of its carbon monoxide - bound form

    細胞色素p450這一術語最早於1962年被用於描述一種結合微粒體膜的未知其功能的膜蛋白,因其在450nm處有一特徵吸收峰而得名。
  19. The secondary structure of this protein speculated had a typically conserved domain of cytochrome p450 cysteine heme - iron ligand signature ( fnagprlcig ) and a hydrophobic domain at n - terminal of amino acid

    ( 6 ) c鉀86mf同源基因片段在13個物種中的序列分析表明:它們的核昔酸差異為1
  20. Cytochrome p450nor ( p450nor ) is a unique cytochrome p450, which plays a key role in fungal denitrification

    細胞色素p450nor是一類獨特的細胞色素p450 ,它在真菌反硝化中扮演著重要的角色。
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