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Sequences of 28S rDNA across Acari, though with variable region, were not randomly distributed, with the expansion segments being more variable than the core regions and with an increasing sequence divergence with taxonomic distances.
散布图显示,转换取代与颠换取代有类似的线性变化;支序分析及群聚分析的亲缘关系显示,同科及同属内的成员都群聚的很好,全爪蟎属与小爪蟎属的亲缘关系近,与叶蟎属较近的是岩蟎属。28S rDNA的序列特性显示,其核心序列适合分析较高阶的蟎蜱亲缘,而展延区则可应用於低阶的分析。
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Very small tree similar to Rocky_mountain_pinon but having a single needle per fascicle; similar to Parry's pinyon in range.
与落基山矮松非常相似的一种单针松树;类似于同属的四针松。
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Of Yi pasture chestnut kind benevolence trade also make Brazilian fruit, with its congeneric L. Ollaria advocate produce Venezuela, pyxidium is big, the empty shell after taking out a seed is the tool of ensnare wild monkey, friend calls monkey coal tub.
伊甸栗的种仁商业上也作巴西果,和它同属的L.ollaria主产委内瑞拉,盖果大,取出种子后的空壳是诱捕野猴的工具,故称猴罐。
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The results indicated:(1)The Phyllostachys edulis could be distinctly distinguished from two affined species in the same genus.
结果表明,( 1 )RAPD技术能将 7个毛竹的变型或栽培型与同属的两个近缘种明显区别开来。
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Nine samples(seven cultivars or forms of Phyllostachys edulis and two affined species.)were tested with RAPD in order to assess their genetic relationship.
利用RAPD标记技术对毛竹种下的 7个变型或栽培型及其同属的 2个近缘种进行遗传关系的研究。
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The Antennal ultrastructures of the two closely related wasp species, Aprostocetus prolixus and Aprostocetus fukutai, were observed by scanning electron microscope. The types, numbers, morphological characteristics and distribution patterns of the antennal sensilla of the two species were described, and the differences between two sexes were compared too.
利用扫描电镜观察了同属的桑天牛卵啮小蜂和桑天牛长尾啮小蜂的触角感器,对这两种寄生蜂触角感器的种类、形态、数量及分布进行了描述,并对雌雄两性触角之间的差异做了比较。
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Sequence analysis showed that the size of 16S rRNA gene was in 1235 bp, and lacking several regions which regarded as eukaryotic sequence, was more similar with prokaryotes than eukaryotes in sequence structural feature; it could be implied that the microsporidia had split from ancient eukaryotes very early in time on the phylogenetic tree.
序列分析表明,16SrRNA基因大小为1235bp,缺乏多个被认为是真核生物序列的区域,序列结构特征更多地类似于原核生物的,在进化上,推测微孢子虫在很早以前与原始真核生物产生分歧;分子进化分析发现,同属的微孢子虫可以处于系统进化树不同的分枝。
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Combinedwith the analysis of the cluster graph, the present author proposed that M. kansuensisand M. komarovii were derived from the cross of Malus and Crataegus because Malus,Pyrus, Crataegus and Sorbus had the same ancient species.
那么,结合聚类图分析,作者推断,陇东海棠、山楂海棠可能是山定子与同属蔷薇科中的山楂远缘杂交后代,因苹果属、梨属、山楂属、花楸属具有共祖关系。
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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。
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To identify the strain, the 16S rDNA sequence was compared with type strains of the same genus. The result can be abtained according to the homology.9 strains of Lactic acid cocci were isolated from milk and silages.
将含有阳性重组子的菌体进行测序,所得结果分别与Genbank上发表的同属的代表菌株的16S rDNA序列比较,得到相似性百分比,则可判定菌株的归属。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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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。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力