查询词典 phylogenetic

As F.graminearum is one of the most important pathogens of wheat head blight in China, 19 strains from cereals were selected for phylogenetic study.

结果表明，在我国禾本科作物上至少存在4个禾谷镰孢菌的谱系，其中谱系3为我国玉米上所特有，存在于玉米穗部和种子上。

The results are as follows: 1 The ingroups studied are divided into four clades on the molecular phylogenetic trees that we reconstructed.

我们测定了斑腿蝗科10亚科20种蝗虫和其它蝗科3种蝗虫的16S rDNA序列片段，并从GenBank中下载了斑腿蝗科3种、其它蝗科10种及蚱总科2种的16S rDNA相应序列片段，然后对这共计38种蝗亚目昆虫的16S rDNA序列片段进行了同源性比较，以其中2种蚱作外群构建了蝗总科的分子系统树，得到的结论如下：1斑腿蝗科并非是一单系群。2该科中的切翅蝗亚科、稻蝗亚科、黑蝗亚科、秃蝗亚科、卵翅蝗亚科、蔗蝗亚科均不是单系群，分子系统树的聚类结果与基于形态特征的斑腿蝗科的分类体系有较大的出入。3支持将黑蝗亚科和秃蝗亚科合并为一个亚科——秃蝗亚科。4卵翅蝗、伪稻蝗和稻蝗三者有很近的亲缘关系。

Based on the phylogenetic analysis, we interred that this was a result of a genome dulplication that occurred c.

我的&分子同僚&很聪明，他们在植物分类学领域从来不说自己是搞分类，也不敢说是研究植物系统发育重建分类系统的。

Two phylogenetic footprints, 35 bp and 17 bp in length respectively, were found in 5' intron sequence.

在内含子的5'端发现了两个高度保守的序列——进化印记，长度分别为35 bp和17 bp，35 bp的核苷酸片段能与HeLa细胞和鸡胚细胞抽提物中的蛋白结合，可能是一种调节元件。

Separated cultures were isolated from 4 different koumiss examples, the complete 16SrRNA gene of these strains were sequenced, and phylogenetic trees were constructed. The isolateswere identified to the most related strain which had the highest affinity. The identified strains weresix L. lactis, five L. plantarum, five E. faecium, four E. faecalis, two L. casei, two L. helveticus, twoS. thermophilus, one L. delbrueckii subsp, bulgaricus, one Leu. mesenteroides, one Leu. garlicum.

本研究中从4份酸马奶中分离得到了29株乳酸菌，测定了这些乳酸菌的16S rRNA基因全长序列，并构建了乳酸菌属的系统发育树，根据亲缘关系对乳酸菌进行了鉴定，其中L.lactis(6株)，L.plantarum(5株)，E.faecium(5株)，E.faecalis(4株)，L.casei(2株)，L.helveticus(2株)，S.thermophilus(2株)，L.delbrueckii subsp.bulgaricus(1株)，Leu.mesenteroides(1株)，Leu.garlicum(1株)。

And the complete cDNA sequence of GSTR was 1002bp in length, containing a coding region of 678bp (encoding 225 amino acids). Results of the phylogenetic analysis revealed that the deduced amino acid sequence of the orange-spotted grouper was very similar to the GSTA of other fishes, such as common carp and zebrafish. The GSTR existed only in fish, but not in any other aquatic animals or land mammals (e.g. rat, mouse and human).

构建系统进化树发现，斜带石斑鱼与鲤鱼、斑马鱼GSTA氨基酸同源性较高，而GSTR为鱼类所特有并共同占据进化树上独立的分枝，与大鼠、小鼠、人等哺乳动物GST现有所有类型同源性均较低。

Smilax, there are the phylogenetic relationships and distributive pattern to be found based on the combined ITS and maiK. tree: 1 a clade with the African species (S. kraussiana) and Australian species (S. australis), being a sister group; 2 a clade with the S. zeylanica of sect. Macranthae and S. bona-nox of sect. China, the former from Southeast Asia and latter native to US, showing they are a sister species which is disjunctive between Asia-North America, similar to the species pair of S. hispida and S. sieboldii; 3 S. perfoliata from Indonesia being sister to S. ocreata of China and S. megacarpa of Indonesia, which are very similar to each other in morphology; 4 the three species from China (S. lanceifolia, S. perfoliata and S. chapaensis) and S.ovalifolia from Indonesia showing a 87-92% bts monophyletic clade; 5 S.bracteata from China and two species of Indonesia (S. leucophylla and S. sp.) forming a clade in the ITS tree; 6 S.

通过比较研究圆锥花序组和穗菝葜组的地理分布，基于ITS及matK联合数据构建的系统树发现下列明显的具系统发育关系的类群及地理分布模式：1来自非洲的S.kraussiana和来自澳大利亚的S.australis是一对姐妹群，具有共同的祖先；2圆锥花序组的S.zeylanica和菝葜组的S.bona-nox形成一个紧密的分支，前者分布于东亚而后者只局限于美国，显示了一种类似于S.sieboldii和S.hispida那样的东亚—北美间断分布模式；3印度尼西亚的S.perfoliata是分布于中国的S.ocreata和来自印尼S.megacarpa的姐妹群，这三者在形态上也非常接近，表明具有共同祖先；4来自中国的三个种(S.lanceifolia，S.perfoliata and S.chapanensis)和来自印尼的S.ovalifolia形成了一个高支持率的单系分支(87-92％bts)；5基于ITS的系统树，来自中国的S.bracteata和来自印度尼西亚的两个种S.leucophylla and S.sp。

Anguillarum isolates, while 94.3% and 91.9% nucleotide identical to L. pelagius and Photobacterium damselae respectively. MP analysis showed that ayu-H080701 shared 97.6%-98.8 % amino acid sequence identical to L. anguillarum isolates, while lower than 75.6 % to other bacteria. Phylogenetic analysis showed that ayu-H080701 grouped constantly with L. anguillarum isolates. The biochemical, physiological tests and sequence analysis all strongly supported the identification of the pathogen causing ayu vibriosis in Ninghai country, China, as an isolate of L.

PCR扩增检测表明，细菌16S rRNA 基因通用引物和鳗利斯顿氏菌MP基因特异引物均能扩增到预期大小的特异性条带。ayu-H080701与鳗利斯顿氏菌16S rRNA基因核苷酸序列同源性最高，为99.4%～99.5%，与同属的海弧菌和美人鱼发光杆菌分别为94.3%和91.9%；ayu-H080701与鳗利斯顿氏菌MP氨基酸序列同源性高达97.6%～98.8 %，与其它弧菌科成员则低于75.6 %，系统进化树分析也揭示ayu-H080701与鳗利斯顿氏菌进化相关性最高。

Phylogenic analysis based on entire S1 gene sequences showed that majority isolates clustered together with the close phylogenetic relationships. Therefore, we researched pathogenicity of the selected isolate IBV CK/CH/LDL/05II in this group, Pathogenic study showed that this virus caused 100% morbidity and 54.5% mortality to 15-day-old specific-pathogen-free.The kidneys from the dead chickens showed the predominant gross lesions which were pale, mottled, and swollen. The renal tubules and ureters were distended with excess urates.

经S1基因系统进化树分析发现，本实验所分离的大多数IBV毒株(8/12)分布于同一基因进化群内，并且亲缘关系较近，因此，我们对此群中IBV毒株CK/CH/LDL/05II的致病性进行研究，以10~(5.5)×EID_(50)/0.1ml的病毒接种15日龄的SPF雏鸡，鸡群发病率为22/22(100%)，死亡率为12/22(54.5%)，死亡鸡以肾脏肿大、苍白、外观呈现典型的&花斑肾&，肾小管和输尿管扩张并且有尿酸盐沉积为主要病理变化。

A/DK/Hubei/216/83(H7N8) shared 96%～98%homology with different subtypes avian influenza viruses which isolated from HongKong during 1972～1997, in addition, evolutionary analysis showed that the remainingfive gene except NA and PB2, had close phylogenetic relationship with 1972～1997strains. A/DK/Hubei/137/83(H10N4), sequence similarity analysis revealed that theNS, PA, PB1, PB2 gene shared 98%～99% homology with the 1997～2004 H5N1subtype avian influenza virus strains, and except NA and M gene, the other five geneformed independence branch with their own, and the distance between the otherisolates were far.

前者HA氨基酸剪切位点序列为P-E-V-V-Q-G-R，后者HA剪切位点序列为P-E-I-P-K-R；2株病毒的NA在第48位氨基酸后无20个氨基酸的缺失；NS蛋白的第79～84位也没有氨基酸的缺失，不具有高致病性特征；A／DK／Hubei／216／83(H7N8)与香港1972～1997年不同亚型AIV的同源性为96％～98％，进化分析表明，除NA和PB2独自成一支外，其余5个基因都与1972～1997年毒株亲缘关系较近。A／DK／Hubei／137／83(H10N4)除NA和M基因外，其他5个基因分别独立自成一支。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。