The application of molecular biotechnology such as molecule marker and the small subunit ribosomal RNAin the research of ruminal protozoal was reviewed.
分子标记和基于小亚基核糖体RNA的分子生物学技术可以在基因和分子水平上为研究瘤胃原虫提供可靠而丰富的依据。
We first aimed to confirm nonsense suppression induced by the aminoglycoside antibiotic gentamicin, which interacts with the conserved decoding center of ribosomal RNA and interferes with the proofreading process.
为对无义抑制进行量化，实验中使用了含有哈氏弧菌luxA和luxB基因的质粒，其无义突变位于luxB基因的特异性位点（pLux1-4，见图2）。
The internal transcribed spacer （ITS, contains ITS-1, 5.8S nuclear ribosomal DNA, ITS-2） and 28S nuclear ribosomal DNA-LSU were amplified by PCR, sequenced and analyzed by Chromas and DNASTAR softwares, and the RNA secondary structure of 28S rDNA-LSU was analyzed by DNAMAN software.
抽提成虫基因组DNA，扩增其ITS（包括ITS-1、5.8S rDNA和ITS-2）和28S rDNA-LSU序列，测序并分析以上序列，以及28S rDNA-LSU序列RNA二级结构。
The ribosomal RNA gene of silkworm Attacus is found to Be a multi-copy gene with its repeated units arranged tandem.
蓖麻蚕的核糖体核糖核酸的基因是多拷贝基因，其重复单位成线性方向排列。
The ribosomal RNA is an ideal evolutionary clock and has been widely used to study the phylogenetics and evolution of microorganisms.
中文摘要：核糖体RNA是一种理想的进化计时器，已广泛地应用于研究微生物的系统发育和进化关系。
It contains bacteria-like organisms with distinctive ribosomal RNA whose nucleotide sequences differ significantly from those of other prokaryotes.
在现代的分类系统中，有自己的分类地位。
It is proposed that tyrosine residues are involved in the active site of CTA and they are crucial in recognition and binding of ribosomal RNA.
这些结果表明酪氨酸残基可能位于cinnamomin A链的RNA N-糖苷酶活性中心，并且它们在识别和结合核糖体RNA的过程中有重要作用。
Abrin is one of the potent toxins isolated from the beans of plant abrus precatorius. the toxic protein consists of two disulfide-bonded subunits, the a and b chains. the b chain is a galactose-specific lectin that facilitates the binding of abrin to the cell membrane that precedes endocytosis. after entering the cells, the a chain catalytically inactivates 60s ribosomal subunits by removing adenine position 4324 of 28s r–rna, and thereby inhibits protein biosynthesis.
相思子毒素是从豆科植物(abrus precatorius l。)种子中分离的一种细胞毒性蛋白。它由a，b两条链组成，由一个二硫键相联，b链具有半乳糖凝集活性，可与细胞膜上受体结合，帮助a链进入细胞内，a链进入细胞催化失活60s核糖体亚基，从而使细胞蛋白合成被抑制。
Coli 5S ribosomal RNA, demonstrating there is no contamination of DNase or RNase in the cambialistic SOD preparation.
进一步研究发现被DNA拓扑异构酶I松弛的闭合双链DNA也能被SOD作用产生线状产物。
The whole chloroplast genome includs four ribosomal RNA, thirty tRNA genes transfer 20 species of amino acids, 74 protein-encoding genes and 2 for unidentified open reading frame.
整个叶绿体基因组包括4种核糖体RNA，30个基因编码20种转运RNA，74个蛋白质编码基因和2个未知功能的开放阅读框。
The key observation was made by Cech in 1982 when he was trying to understand how introns were removed from mRNA that coded for ribosomal RNA in the eukaryotic protozoan Tetrahymena.
Cech在1982年进行了一次关键的研究。当时他是想了解在真核原生动物四膜虫中，内含子是怎样从编码rRNA的mRNA上除去的。
We found that Tral 3355 mutation and Tral 3285+3375 double mutation strains have distinct effects on the expression of ribosomal RNA、His3、His4 and Actl genes.
这些结果的积累将为下一步基因芯片分析Tra1突变对全基因组表达的影响提供了重要的信息。
With specific primers designed based on phytoplasmal 16S ribosomal RNA gene sequences, a 1.2kb DNA fragment was amplified by direct PCR and nested PCR from total DNA of bamboo showing witches broom symptom.
利用植原体16SrRNA基因序列设计合成的引物，对表现丛枝的竹子植株总DNA进行直接PCR及巢式PCR扩增，得到长1.2kb的目的片段。
The genetic relationships among Euglena strains remain poorly understood, despite a rich history of morphological examination and an extensive phylogenetic analysis of the ribosomal RNA genes.
尽管以前对眼虫进行过大量的形态发育研究和基于核糖体RNA基因的系统发育分析，但对于株系之间的关系仍然知之甚少。
In most species they are composed of roughly equal amounts of protein and ribosomal RNA, the ribosome consists of two unequally sized rounded subunits arranged on top of each other like a cottage loaf, eukaryotic cells have larger ribosomes than prokaryotic cells but the ribosomes in mitochondria and chloroplasts are about the same size as prokaryotic ribosomes.
在大多数的物种中，蛋白质的量和 rRNA 量是大体相等的。核糖体包括两个大小不同的亚单位，上部结合形成小屋状结构。真核生物细胞中的核糖体要比原核细胞的核糖体大，但是线粒体和叶绿体中的核糖体与原核细胞的核糖体大小相当。
Analyses of microbial community structure and the relationships between Sulfate-Reducing Bacteria and Acidogenic Bacteria in a completely stirred sulfate-reducing reactor were carried out by modified polymerase chain reaction-single-stranded conformation polymorphism targeted eubacterial 16S ribosomal RNA gene.
采用改进的单链构象多态性技术，以16SrRNA基因的V3区为靶对象，分析完全混合式硫酸盐还原反应器中微生物的群落结构以及硫酸盐还原菌与产酸菌的种间关系。
RESULTS: Screened 4 proteins that interacting with MINT F2, which are 67 ku laminin receptor, two of 16 S ribosomal RNA, Arginyl tRNA synthetase.
结果：筛选出4个与MINT F2相互作用的蛋白，它们分别是：67 ku层黏连蛋白受体，，2个16 S核糖体RNA，精氨酰 tRNA合成酶。
Ensuing discoveries of other natural catalytic RNAs that could cleave and ligate phosphodiester bonds, and the very recent observation that the region surrounding the peptidyl transferase center of a bacterial 50S ribosomal subunit contains RNA and no protein, further buttress the hypothesis.
随后发现其他能切割，连接磷酸二酯键的天然催化性 RNA ，以及最近期发现细菌 50S 核糖体亚基中央的肽基转移酶周围含有RNA ，却没有蛋白质，更进一步加强了假说的可信度/令假说更有说服力。
The oxazolidinones are a new class of totally synthetic antibacterials that inhibit protein synthesis via binding to a distinct region of 23S RNA of the 50S ribosomal subunit in prokaryotes.
噁唑烷酮类抗菌剂是一类新型的全合成抗菌药物，作用于细菌蛋白质合成的早期阶段(主要作用靶点是核糖体50S亚基的23S rRNA)，表现出高度的抗耐药性革兰氏阳性菌活性，其代表药物吗啉噁酮已上市。
The European ribosomal RNA database aims to compile all complete or nearly complete ribosomal RNA sequences from both the small and large ribosomal subunits. All sequences are aailable in aligned format. Sequence alignment is based on the secondary structure of the molecules, as determined by comparatie sequence analysis. Additional information about the sequences, such as taxonomic classification of the organism from which they hae been obtained, and literature references are also proided.
欧洲核糖体RNA数据库的目的是从小和大RNA 核糖体亚单位编辑全部完全的和近于完全的核糖体序列；序列的比对是基于分子的二级结构，通过序列比较分析获得，另外诸如物种的分类学、参考文献之类的附加信息也给予提供。