maximum n. (pl. maximums, -ma ) 極點(diǎn),最大,最高,最高額,最大值;最高點(diǎn);最大限度;【數(shù)學(xué)】極大(值)(opp. minimum)。 The excitement was at its maximum. 興奮到極點(diǎn)。 adj. 最大的,最高的,頂點(diǎn)的,最多的。 maximum draught [draft] 【航海】最大吃水深度。 maximum obscuration 【天文學(xué)】蝕甚。 a maximum range 最大射程。 a maximum thermometer 最高溫度計(jì)。
There are three frequently used method : distance method , maximum parsimony method , and maximum likelihood method 目前常用的構(gòu)建發(fā)生樹(shù)的方法有三種,即距離法、最大簡(jiǎn)約法和最大似然法。
The results are agreeable with morphological taxonomy . the software mega was used to analyze the molecular phylogeny and phylogenetic trees were constructed with the neighbor - joining method and the maximum parsimony method 對(duì)所得的基因序列用mega軟件包進(jìn)行系統(tǒng)進(jìn)化分析, nj法和最大簡(jiǎn)約法( mp )構(gòu)建毛冠鹿和麂屬3種動(dòng)物的分子系統(tǒng)進(jìn)化樹(shù)。
Phylogenetic relationship of sequences was constructed by neighbor - joining method in mega and maximum parsimony algorithm in paup . the same two groups were showed in the results , and the group b sequences were more similar to two sequences of caiman crocodilus Nj法和mp法構(gòu)建的系統(tǒng)樹(shù)極為相似, 10種序列聚為兩支( a和b ) ,分支b與凱門(mén)鱷的兩種序列的親緣關(guān)系較近。
Pairwise comparisons of uncorrected sequences distances and kimura 2 - parameter distances were calculated and molecular phylogenetic trees were reconstructed by using the neighbor - joining ( nj ) , maximum parsimony ( mp ) , maximum likelihood ( ml ) methods 分析了?科魚(yú)類(lèi)s7核糖體蛋白基因內(nèi)含子2序列,計(jì)算了p - distance和kimura2 - parameter遺傳距離,并用鄰接法、最大簡(jiǎn)約法、最大似然法重建了?科魚(yú)類(lèi)分子系統(tǒng)樹(shù)。
Phylogeny analysis is performed with phylip software package and encoding sequence of bdnf gene . the phylogeny trees have been drawn with three different methods ( maximum parsimony method , genetic distance method and maximum likelihood method ) , respectively . the analysis outcomes are not all consistent for the reason that it is closely related to the selected methods and the conservative level of the sequences 采用不同的統(tǒng)計(jì)學(xué)分析方法,最大簡(jiǎn)約法( maximumparsimonymethod ) 、最大似然法( maximumlikelihoodmethod )和遺傳距離法( geneticdistancemethod ) ,得到了物種系統(tǒng)發(fā)育進(jìn)化樹(shù),但拓?fù)浣Y(jié)構(gòu)并不完全一致,這是可能是因?yàn)榉肿酉到y(tǒng)學(xué)研究與采用的分析方法和所選基因的保守程度即作為分子標(biāo)記的可信度密切相關(guān)。
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下載的分布于非洲、北美洲和南美洲等地的鲇形目魚(yú)類(lèi)同一基因序列進(jìn)行排序,并選用脂鯉目( 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(yú)屬的oncorhynchusmykiss作外類(lèi)群。
8 computer program , then used to calculate di stance matrix with kimura ' s two - parameter method and construct phylogenetic trees by applying neighbor - joining and maximum parsimony analyses using mega2 . 1 computer program . bootstrap analyses were carried out to evaluate statistical reliability based on 500 resamplings of the data set 新鮮或硅膠干燥樣品被用于總dna提取并用于pcr反應(yīng), pcr擴(kuò)增產(chǎn)物回收后直接用于測(cè)序反應(yīng),序列數(shù)據(jù)經(jīng)chstalx1 . 8軟件排序后,采用mega2 . 1軟件根據(jù)kimura ’ s雙因子法計(jì)算遺傳距離,并應(yīng)用鄰接法( neighbour - jointing )和最大簡(jiǎn)約法( maximumparsimony )構(gòu)建系統(tǒng)樹(shù), bootstrap法( 500次重復(fù))評(píng)估分支可信度。
The evolutionary characteristics of both stems and loops of 16s rrna gene partial sequence were analyzed . the kimura ' s 2 - parameter distances were calculated and molecular phlogenetic trees were reconstructed by using the neighbor - joining ( nj ) , maximum parsimony ( mp ) , maximum likelihood ( ml ) methods 分析了?科魚(yú)類(lèi)16srrna基因部分序列莖區(qū)( stemregions )和環(huán)區(qū)( loopregions )的進(jìn)化特點(diǎn);計(jì)算了kimura2 - parameter遺傳距離;并用鄰接法、最大簡(jiǎn)約法、最大似然法重建了?科魚(yú)類(lèi)分子系統(tǒng)樹(shù)。