phylogenetic tree 中文意思是什麼

phylogenetic tree 解釋
進化樹
  • phylogenetic : 系統發生的
  • tree : n 特里〈姓氏〉。n 1 樹〈主要指喬木，也可指較大的灌木〉。 ★玫瑰可以稱為 bush 也可以稱為 tree 2 木...
  1. Phylogenetic tree was constructed and displayed that a. platensis fachb341, a. maxima ouqdsm and a. platensis fachb439 formed the monophyletic linage, which was fully supported by bootstrap values ( 1000 ), while spirulina fachb440 and anabaena pcc7120 clustered in another linage with the bootstrap value of 909

    系統發生分析結果顯示，三個節旋藻品系形成一個小的分支，其自舉值為1000而螺旋藻與魚腥藻聚合為一個類群，自舉值為909 。同時我們以鈍頂節旋藻fachb341m platenstsfachb341 ）為材料，克隆了2073hp長的rubisco序列。
  2. According to the phylogenetic tree, the thirteen strains were grouped into four distinct pcr - rflp clusters, namely, coriaria group, myrica group, myrica - casuarina - alnus group and casuarinarmyrica group

    結果顯示弗蘭克氏菌種群內的遺傳多樣性較高，種群分化較大， 13株供試frankia菌株平均每個位點的多樣性指數為0 . 4498 。
  3. The origin and evolution of land plants was an important event in the history of earth life and has affected all other lives on the earth and global environment. during the past two decade, the new discoveries of fossil plants microfossils and megafossils from the mid - ordovician through all silurian to the lower devonian improved knowledge of the origin of land plants, provided a time framework of the basal groups for the land plants and the early evolution diversity of vascular plants. three new plant based epochs have been recognized. on the other hand, molecular sequence studies have provided insights into the phylogeny and early branches of land plants. a phylogenetic tree has been established by the joint of a study of comparative morphology and gene sequences. this paper summarizes recent advances and new knowledges, comments on the phylogenetic studies based on the cladistic analysis

    陸生植物的起源和演化是地球生命中的重大事件，它影響到地球上所有的其他生命和全球環境。在過去的20年中，從中奧陶世歷經整個志留紀至早泥盆世的巖層中，化石植物微化石和大化石的新發現改變了人們對陸生植物起源的認識，並且為陸生植物和維管植物早期演化分異提供了基部類群分化的時間框架。據此人們識別出地史中的3個陸生植物的時代：始胚植物時代始維管植物時代和真維管植物時代。
  4. Cluster analysis by upgma methods indicated that these five stocks might be divided into three clusters. results of rapd a nalysis suggested that extensive genetic diversity was detected in this species and the genetic divergence among stocks was relatively high ; upgma phylogenetic tree showed there existed three geographic populations of p. polyactis in the yellow sea and the east china sea, which supported the previous conclusion by morphological and ecological methods. part two : the genetic diversity between trichiurus lepturus and eupleurogrammus muticus random amplified polymorphic dna ( rapd ) technique was applied to 12 individuals from each species of the hairtail fishes trichiurus lepturus and eupleurogrammus muticus collected from the yellow sea

    50一2 . 44 ） ，群體內和群體間的遺傳變異比例分別為69 %和31 % ;群體間的平均遺傳相似度和遺傳距離分別為0 . 9139和o . q861 ;用非加權配對算數平均法（ unweightedpair - groupmethodofari山m七tiome即s ， upgma ）聚類分析的結果表明，所分析的5個群體可被分為3個地理群系，從分子水平上支持了過去有關學者把黃海和東海的小黃魚劃分為北中南3個地理群系的觀點。
  5. The sequence 56 analysis shows that there is a long open reading frame in it which encode a protein of 364 animo acid residues. the m protein include 47 basic amino acid, 30 acidic amino acid, which cause a basic estimated pi of 9. 7. phylogenetic tree based on ndv matrix protein gene shows that the b95 and v4 has the most close relationship than other ndv strain

    關于ndvm蛋白國內未見有報道，國外對此蛋白的研究也十分有限，本文克隆出了ndv株b95m蛋白基因的全序列，為m蛋白的表達及進一步研究其在病毒復制與致病中的作用機理打下了基礎。
  6. Gfral was high expressed in e. coli after iptg induction. by ni2 + chelation affinity chromatography, the purified recombinant gfral protein were obtained. based on the evolutionary trace method, multiple sequence alignment and dendrogram construction were then carried out by the clustalx program and constructed a phylogenetic tree from a multiple sequence alignment for a protein family

    2 . gdnf的表達及其對pc12基因工程細胞的影響用本教研室已構建好的表達質粒pet一gdnf轉化大腸桿菌bl21 （ de3 ） ，經lmmipto誘導gdnf表達，並在niz氣nta柱上進行純化，稀釋復性后，純度達90 %以上。
  7. Phylogenetic tree indicates the rab protein may play a role in vesicular trafficking from endoplasmic reticulum to golgi body. two tga in eo - rabl were successfully mutated to tgc by site direct pcr procedure and the truncate eo - rabl was obtained

    以此重組質粒為模板進行pcr定點突變，將eo - rab1基因中前兩個tga突變為通用半胱氨酸密碼子tgc ，獲得截短型eo - rab1基因。
  8. The percentage of polymorphic sites, degree of genetic polymorphism and genetic distance were compared and the phylogenetic tree was constructed by neighbor - joining method. the partial mitochondrial 16s rrna gene was amplified by polymerase chain reaction ( pcr ) and the pcr products were directly sequenced after purified. these sequences, together with the homologous sequences of another trichiuridae species lepidopus caudatus obtained from genbank were used to analyze nucleotide difference and to establish a upgma phylogenetic tree by means of biological informatics

    汝us價ay1830 ）各12個個體進行rapd分析，對比多態位點比例、遺傳多態度以及遺傳距離，並構建neighbor - join噸系統樹;通過pcr擴增出線粒體165rrna基因，純化后直接測序，利用生物信息學方法進行序列分析和核昔酸變異比較，結合ge紅bar止中大西洋叉尾帶魚（ lepid （護腳caud玫tuseuphrasen1788 ）同源序列構建u甲cm叭系統樹。
  9. In addition, homologous alignments and analyses of identical percentage were made between corresponding cdna sequences to cal homologs of 8 plants in the same family, brassicaceae. according to the information of above phylogenetic tree was drawn

    另外，對8種十字花科植物cal同源基因中相應cdna序列進行了同源性比對和一致性分析，並據此繪制了它們之間的進化樹。
  10. Branch - - the graphical representation of an evolutionary relationship in a phylogenetic tree

    分枝- -在種系發生樹中，物種演化相互關系的圖示。
  11. Bifurcation ? ? the graphical representation in a phylogenetic tree of an evolutionary eciation event whereby an ancestral taxon lits into two

    分歧點? ?在演化的種形成事件中，物種由相同來源一分為二，其在種系發生樹中的圖示點。
  12. Bifurcation - - the graphical representation in a phylogenetic tree of an evolutionary speciation event whereby an ancestral taxon splits into two

    分歧點- -在演化的種形成事件中，物種由相同來源一分為二，其在種系發生樹中的圖示點。
  13. Because of the method is convenient and fast, and no molecular information about the species to be studied is needed, rapd is widely used in many areas such as study of phylogenetic tree and genetic diversity. we studied 32 crested ibises from yong county and 5 crested ibises from beijing zoo by rapd

    我們採用rapd技術對來自洋縣的32隻朱?和來自北京動物園的5隻朱?進行了研究，根據實驗數據計算了任意兩個個體之間的相似性系數和遺傳距離，分別用upgma法和簡約法構建出其譜系關系，並對種群的遺傳多樣性作了初步的探討。
  14. Nd5gene sequencing is a good method for studying genetic differentiation and constructing phylogenetic tree

    6 . nds序列測定是研究裳鳳蝶屬物種群遺傳分化、構建系統發育樹的快速、有效的方法。
  15. The phylogenetic tree of the potassium channel gene suggests that muntiacus crinifrons is original, and the basal split separates muntiacus and elaphodus. within the genus muntiacus, crinifrons is more closely related to muntjak, with reevesi as its sister species. in the other genus there is only one species elaphodus cephalophus

    根據鉀離子通道蛋白基因的第4內含子和第5外顯子序列構建的進化樹顯示：黑麂比較原始，首先與赤麂聚合，再與小麂聚合，最後與毛冠鹿屬的毛冠鹿聚合。
  16. They could be divided into two groups according to phylogenetic tree analysis results, one was the genomic dna of microtus fortis calamorum and the other one was that of microtus fortis fortis. however, the homologues reached up to 98 % between two subspecies

    同時採用系統發育樹（ phylogenetictree ）分析方法，對兩個亞種的親緣關系進行了分析和比較，結果顯示，東方田鼠長江亞種和寧夏指名亞種基因組dna明顯的分為兩大組別。
  17. This strain ' s virulence was judged by mean death time of chick embryos ( mdt ), intracerebral pathogenicity index in day - old chicks ( icpi ) and intravenous pathogenicity index in 6 - week - old chickens ( ivpi ) and it was found to be the virulent strain. at last, it was tested by the recurrent infection and found that it was the newcastle disease virus ( ndv ), and it was named hbg - 1 strain. in order to find the difference of the cleavage site of this strain with f48e9 and ? 30 strain, a part of the cleavage site of fusion protein gene fragment was amplified by rt - pcr using a primer and sequenced. the sequence analysis showed this strain had low homology with f4ge9 and cso. a phylogenetic tree based on the published sequences of ndv reference strains was constructed and showed the isolated strain hbg - 1 belonged to the genotype w ndv, a novel genotype ndv

    為了進一步探尋分離株與標準株的異同，又採用rt - pcr方法，擴增獲得分離株f _ o裂解位點附近的基因片段，經測序后與國際上已發表的新城疫病毒的核酸序列進行比較，結果表明其與標準株和疫苗株之間的同源性較低，僅為82 86之間。經系統發育進化樹分析后，判定該分離株為新城疫病毒（ ndv ）基因型。運用計算機軟體對其裂解位點處的氨基酸序列進行預測和分析，結果表明該分離株為新城疫病毒強毒株並具有基因型的典型結構特徵。
  18. Then the genetic distance and shannon information index among these 13 strains were obtained by using the software popgen2 on the basis of pcr - rflp patterns. the phylogenetic tree was constructed by using the upgma algorithm method ( mega2 software package ). the shannon information index indicated that there was a higher genetic diversity among the frankia strains and some strains had a big genetic distance with others

    根據酶切圖譜，通過popgen2軟體計算各供試菌株之間的遺傳距離；用shannon信息指數計算種群遺傳多樣性；利用upgma法（ mega2軟體）對所獲得的遺傳距離矩陣進行聚類分析，得到13株供試frankia菌株間系統發育的聚類分析樹狀圖譜。
  19. Phylogenetic tree showed strain 05001 was obviously distinguished from other genera of the family trichocomaceae. therefore, strain 05001 was probably a new taxon

    另一株真菌菌株05002生長鹽度范圍為0一20 % ，最適生長鹽度為0一5 % ，是耐鹽菌。
  20. The phylogenetic analysis of strain hn was performed by phylips and the phylogenetic tree of strain hn and the neighbouring nitrifiers was given

    並用phylips程序將該菌株與報道的相關硝化細菌進行系統發育進化分析。
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