phylogenetic species 中文意思是什麼

phylogenetic species 解釋
系譜種
  • phylogenetic : 系統發生的
  • species : n. 〈sing. , pl. 〉1. 種類;【生物學】(物)種。2. 【邏輯學】種。3. 【原子能】核素。4. 【法律】形式。5. 【宗教】聖餐物。
  1. Three types of cuticular thickening at the polar region of the guard cells are observed : slight cuticular thickening ; rod - shaped culicular thickening and rarely t - shaped thickening. with data obtained from the former research and personal observation, the cladistic methods were employed for the phylogenetic analysis of data and trees were rooted by out - group comparison using, the related genus kadsura. as result, a new system of the genus schisamdra michaux was reconstructed, and schisandra michaux was subdivided into 2 subgenus, 3 section, 2 series 10 species in this dissertation

    整理有關五味子屬植物研究的資料,補充搜集近期發表的資料和本人研究所得數據,以種為基本單元,選擇近緣的南五味子屬( kadsura )作為外類群,採用paup4 . 0b4a軟體對本研究得出的性狀數據作分支分析,重建五味子屬的系統發育,修訂和補充五味子屬分類系統,在五味子屬下設2亞屬、 3組、 2系、 10種。
  2. Phylogenetic relationship of the sinibrama species was reconstructed using the cladistic method and morphological characters. c. monglicus monglicus, a. lini, p. pekinensis and m. terminalis were selected as out - group. and a total of 34 morphological characters were found variable among four valid species

    用分支系統學方法,重建華鯿屬魚類的系統發育關系,運用外類群比較法,選擇蒙古? 、大眼近紅? 、鯿和三角魴為外類群,對34個形態學性狀進行了簡約性分析。
  3. In the end, the results in this article were compared to the its sequences of other species in cruciferae and their phylogenetic relations were discussed

    本文還將所得的結果與已發表的部分十字花科其它屬植物的its序列進行比較,探討了該科植物系統發育情況。
  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 material of this study is a new species - cardamine hupingshanesis, found by lin - hang liu and ke - ming liu professors of hunan normal university. its karyotype was analyzed and molecular evolutions of five species, c. hupingshanesis ( hup, about 1300m sea level ), c. griffithii ( gri, about 1500m sea level ), c. impatiens ( imp about 600m sea level ), c. hirsute ( hir, about 200m sea level ) and c. scutata ( scu, about 200m sea level ) were studied. on the basis of moiphological studies, phylogenetic trees were constructed by its sequences and then the phylogenetic relations of hup and four other species were discussed

    本文以湖南師范大學劉林翰、劉克明老師發現的十字花科碎米薺屬( cardamine )一新種? ?壺瓶碎米薺( cardaminehupingshanesisl . h . liu , hup ,海拔1300m左右)為實驗材料,對其核型作初步分析;並結合該新種同屬同組(碎米薺組, sect . cardamine )但生長在海拔不同的四個種? ?大葉山芥碎米薺( cardarminegriffithii , gri ,海拔為1500m左右) 、彈裂碎米薺( cardamineimpatiens , imp ,海拔為600m左右) 、碎米薺( cardaminehirsute , hir ,海拔為200m左右)和圓齒碎米薺( cardaminescutata , scu ,海拔為200m左右)進行了分子系統學研究。
  6. The phylogenetic trees promulgate that : ( a ) est traits significantly differ between different generic taxa and between different species in the same genus, ( b ) similarity degree of est traits between different taxa is not correlative to that of morphological characters. some morphological taxa in traditional classification are not monophyletic group, ( c ) relationship among subfamilies based on est characters is somewhat compatible to intrafamily phylogeny proposed by schuh ( 1976 ), but it is clear that orthotylinae and phylinae are not directly sister grouped

    分析結果表明( 1 )酯酶同工酶酶譜特徵在不同屬級單元之間以及同屬的不同種類之間都存在著明顯的差異: ( 2 )不同屬種之間酯酶同工酶特徵的相似程度與外部形態特徵之間的相似程度不一致性,以外部形態為主要依據的傳統分類的一些屬不是真正的單系群。
  7. Recently, we know the number of muntjac deer chromosomes varies from 6 to 48, and there are karyotypic polymorphism intra - species relationships. these animals are extremely useful for phylogenetic studies. in order to discuss the phylogenetic relationships of muntiacinae, we have studied the nuclear gene sequence of muntiacus muntjak, muntiacus crinifrons, muntiacus reevesi, and elaphodus cephalophus

    為了探討麂亞科動物間的親緣關系,本論文以赤麂( muntiacusmuntjak ) 、黑麂( muntiacuscrinifrons ) 、小麂( muntiacusreevesi )和毛冠鹿( elaphoduscephalophus )這4種麂亞科動物為材料,以核基因序列為研究對象,作進一步的研究。
  8. The aim of this work is to have a better understanding of the structure, differentiation and phylogenetic relationship of the tribe hyoscyameae in the solanaceae using evidence from leaf epidermis, seed morphology, palynology, embryology, floral organogenesis, trnl - f and its sequences, and plant geography. the results are summarized as follows : 1. leaf epidermis leaf epidermis of 21 species in seven genera of the tribe hyoscyameae and four species in four related genera was investigated under both light microscope ( lm ) and scanning electron microscope ( sem )

    解剖學在光學顯微鏡和掃描電鏡下,觀察了茄科天仙子族( hyoscyameae ) 7屬21種及鄰近4屬4種共25種植物的葉表皮特徵,結果表明:氣孔器在各種植物的上、下的表皮均有分佈,多為無規則型,也有不等細胞型;葉表皮細胞形狀有不規則形、十字形、近長圓形和不規則多邊形,垂周壁較平直或各種波狀。
  9. The phylogenetic relationship of cordyceps based on the its sequence analysis of rdna showed all of the species in this experiment have been divided into two groups by molecular systematic classification, group one including the species with perithecia wholly immersed, and group two including those with perithecia not or half immersed. it means the position of perithecia in the stroma is very important characteristic

    在埋生類群中,子囊殼斜埋生的種,即屬于新蟲草亞屬的沫蟬蟲草和雙頭蟲草,以及蟲草亞屬的下垂蟲草都被歸到一個類群之中,垂直埋生的類型被歸到另一類群中,在埋生類群中,除大團囊蟲草和c 。
  10. The dna - based identification of ecologically important hydropsychids larvae was primarily studied. the role of co i gene and its fragments on phylogenetic reconstruction of four lepidostomatids were discussed. larvae of all reared species and goera ramose were described for the first time except for apsilochorema hwangi

    具鈞豎毛螯石蛾成蟲、蛹與幼蟲間的核酸歧異度均為1 ,而具鉤豎毛螯石蛾成蟲、蛹、幼蟲與黃氏豎毛螯石蛾成蟲間的核酸歧異度為13 。
  11. Study on phylogenetic relationships of four scylla species and taxonomic status of mud crab in china based on mitochondrial 12s rrna sequences

    序列探討4種青蟹系統發育關系及中國沿海青蟹的分類地位
  12. 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。
  13. In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics

    本文在初步調查分析了棕櫚科植物在我國的自然分佈、引種馴化情況以及該類植物在廈門地區栽培應用狀況的基礎上,首次採用rapd分子標記技術,對廈門萬石植物園引種的一些棕櫚科植物的遺傳多樣性進行了研究,根據pcr對基因組dna擴增的結果,用nei ' s相似性系數計算了不同植物間的遺傳距離和遺傳一致度,通過對遺傳距離的upgma聚類分析,並結合形態分類的特點,對棕櫚科植物的屬、種間的系統分類關系和一些疑難種的分類鑒定進行了初步研究。
  14. 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。
  15. 2. the sequences variation of mitochondrial 12s rrna gene and phylogenetic relationships of anseriformes were studied based on the complete 12s rrna gene sequences of 36 living species of which 19 species were sequenced and other related data obtained from genbank

    2 、研究測定了雁形目( anseriformes ) 19種mtdna12srrna基因全序列,結合genbank中雁形目種類相關數據,分析了雁形目36種鳥類12srrna基因序列變異及其分子系統發生。
  16. Sequence divergences within these grasshoppers indicate that cyt b is a useful marker at the generic and species level for phylogenetic study, but there is problem at the subfamily level

    囚此, cytb基因在對斑翅蝗科科下種屬階元的分類與進化關系研究中,是一個有效的分于標記。
  17. They are harmful to agricultural plant. in the taxonomic study of aphidiodea insects, there are some questions about them. in order to clarify the arguments for the phylogenetic relationships of aphidinea insects, we determined a partial ( hoobp ) sequence of the 18s ribosomal dna for 13 aphid species ( 4 subfamilies, 6 families ) at the first time

    例如,刺蚜亞科cervaphidinae屬于毛管蚜科greenideidae還屬于群蚜科thelaxidae ;粉毛蚜亞科pterocommatinae目前暫放在蚜科aphididae內,但無論從形態學還是生物學、寄主植物等方面該亞科與毛蚜科chaitophoridae有許多相似之處
  18. Furthermore, analyses of dna sequence datasets with the violation of the homogeneity assumption is not only useful to elucidate the evolutionary mechanisms that have shaped the observed differences in genes and species with atypical substitution process, but also provides important clue for the future development of phylogenetic methods

    更進一步地,對于違反同質性假設的dna序列數據集的分析,不僅用於闡明在非典型替代過程下的基因和物種形成的可觀察到的差異的進化機制,也為深入研究系統發生的方法提供了重要的線索。
  19. 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。
  20. In this paper, phylogenetic relationship of 13 species involved in 6 genera of cruciferae wer e carried out through both the clones of homologous sequences with the primers designed on the basis of conserved regions of cyp86mf gene in cytochrome p450 gene superfamily and the differential analyses of them. meanwhile, complete sequences of some genes in cytochrome p450 gene superfamily were isolated and identified by smart pcr - race strategy, and expressed in e. colt. the results were as follows : ( 1 ) isolated by pcr from 11 species of cruciferae, eleven homologous gene segments that deduced amino acids were identities of over 80 % at nucleotide sequence level and similarities of over 70 % at amino acid sequence level

    本論文以已知的細胞色素p450基因超家族成員cyp86mf基因的保守區設計引物對十字花科重要蔬菜作物的6個屬13個物種進行了同源序列的分離克隆,通過核酸序列的差異比較分析,研究了該基因在不同物種中的進化關系;同時,通過保守引物的pcr擴增和race相結合的方法對十字花科植物不同物種的細胞色素p450基因家族成員基因全長進行了分離克隆、鑒定和原核表達的研究,獲得如下研究結果: ( 1 )通過pcr從十字花科植物不同物種中擴增到11個可以推導出完整氨基酸序列的同源片段。
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