搜索结果: 1-15 共查到“理学 rRNA”相关记录60条 . 查询时间(0.044 秒)
山东大学生命科学学院谭保才教授课题组揭示玉米WD40蛋白SHREK1调控核糖体pre-rRNA加工新机制（图）
山东大学生命科学学院 谭保才 玉米 WD40蛋白 SHREK1 核糖体 pre-rRNA The Plant Cell 植物种子发育
2022/12/23
近日，The Plant Cell在线发表了山东大学生命科学学院谭保才课题组题为“Maize Shrek1 encodes a WD40 protein that regulates pre-rRNA processing in ribosome biogenesis”的研究论文。该研究揭示了玉米WD40蛋白SHREK1参与核糖体pre-rRNA加工并影响籽粒发育的分子机制。
华中农业大学作物遗传改良国家重点实验室在改进细菌16S rRNA基因高通量测序方法研究上有新进展（图）
华中农业大学作物遗传改良国家重点实验室 细菌 16S rRNA 基因高通量测序 微生物组
2020/6/5
近日，华中农业大学作物遗传改良国家重点实验室谢卡斌课题组在Microbiome发表了题为“Engineering CRISPR/Cas9 to mitigate abundant host contamination for 16S rRNA gene-based amplicon sequencing”的研究论文，论文报道了一种改进的细菌16S rRNA基因高通量测序方法。
蛋白质-RNA相互作用引导新生rRNA折叠（图）
蛋白质 RNA 相互作用 新生rRNA折叠
2019/12/19
近日，美国斯克里普斯研究所等科研机构的科研人员在Cell上发表了题为“Transient Protein-RNA Interactions Guide Nascent Ribosomal RNA Folding”的文章，揭示了短暂的蛋白质-RNA相互作用引导新生核糖体RNA折叠。核糖体组装是一种高效、复杂和异构的过程，在转录过程中核糖体蛋白组装至新生rRNA上。但新生RNA折叠与蛋白质结合之间的相...
【目的】探明灰飞虱Laodelphax striatellus体内细菌的群落结构和种类多样性。【方法】采用Illumina MiSeq测序平台对新羽化24 h的灰飞虱雌雄成虫体内细菌16S rRNA的V3-V4 变异区序列进行高通量测序，应用USEARCH 和Silva等软件和数据库来统计样品序列数目和操作分类单元(operational taxonomic unit, OTU) 数量，分析灰飞虱...
Characterization of the Fecal Microbial Communities of Duroc Pigs Using 16S rRNA Gene Pyrosequencing
Duroc Pigs Fecal Microbiota 16S rRNA Gene Pyrosequencing
2016/5/18
This study characterized the fecal bacterial community structure and inter-individual variation in 30-week-old Duroc pigs, which are known for their excellent meat quality. Pyrosequencing of the V1–V3...
Rapid Origin Determination of the Northern Mauxia Shrimp (Acetes chinensis) Based on Allele Specific Polymerase Chain Reaction of Partial Mitochondrial 16S rRNA Gene
Allele-specific Polymerase Chain Reaction Origin Identification
2016/5/18
Acetes chinensis is an economically important shrimp that belongs to the Sergestidae family; following fermentation, A. chinensis′ economic value, however, is low in China, and much of the catch in Ch...
Characterization of yeast U14 snoRNA interactions required for rRNA processing, and development of a novel in vivo rDNA system for dissecting ribosome biogenesis
U14 small nucleoli ribosomal RNA DNA bases yeast elements
2014/12/11
U14 small nucleolar RNA (snoRNA) is required for processing of 18S ribosomal RNA. It was hypothesized that U14 might base pair with 18S RNA through two highly conserved U14 sequence elements known as ...
Studies of the complex of ribosomal protein L1 with its binding site in 23S rRNA: Modification -interference, mutagenesis and crosslinking
Ribosomal proteins escherichia coli ribosomes the protein spiral protein
2014/12/11
Interaction of ribosomal protein L1 and the 23S rRNA plays an important role in both the structure and biological activity of the Escherichia coli ribosome. We have minimized the binding site for prot...
Changes in the mutual orientation of tRNA and 23S rRNA at the peptidyl transferase center of the ribosome detected by crosslinking of a photoreactive transition-state analog
Amino acids dynamic interaction ribosomes peptide bonds peptidyl transferase ribosomes
2014/12/11
Dynamic interactions between the amino acid acceptor end of tRNA and the ribosome underlie the synthesis of successive peptide bonds at the peptidyl transferase center (PTC) of the 50S ribosomal subun...
Probing the Peptidyl Transferase Center of Ribosomes Containing Mutant 23S rRNA with Photoreactive tRNA
ribosome peptidyl transferase center photoreactive crosslinking tRNA 23S rRNA translation
2014/12/9
There is strong crystallographic evidence that the 23S rRNA is the only catalytic entity in the peptidyl transferase center. Various mechanisms for the catalysis of peptidyl transfer have been propose...
利用韩国豹猫的IRBP、12S rRNA 和细胞色素b (Cyt b)序列,并将其与GenBank 中的豹猫及西表猫的上述基因进行比较,以此来重新分析韩国豹猫和其它豹猫及西表猫之间的遗传分化情况。首先,我们从18 只韩国豹猫的IRBP、12S rRNA 和Cyt b 序列分析中分别检测到6 个等位基因、1 个单倍型和3 个单倍型,推测曾经发生在豹猫种群的瓶颈事件可能是本文发现的不同分子标记之间存在...
近期，中科院武汉病毒研究所周宁一研究员课题组在基因组内16S rRNA基因的差异性而导致的原核生物多样性高估研究方面取得重要进展。相关结果发表在10月的微生物学刊物Applied and Environmental Microbiology上，并被本期杂志选为亮点文章（Spotlight: Articles of Significant Interest Selected from This Is...
对5种双壳类软体动物(近江蛏Sinonovacula rivularis、缢蛏Sinonovacula constricta、小刀蛏Cultellus attenuatus、尖刀蛏Cultellus scalprum和大竹蛏Solen grandis)的线粒体基因COⅠ和16S rRNA部分序列进行测序和分析,并结合GenBank中其他竹蛏超科和樱蛤超科物种COⅠ和16S rRNA片段,计算种间遗...
线粒体DNA (Mitochondrial DNA , mtDNA)突变是引起耳聋的重要原因之一。尤其是12S rRNA基因是药物性耳聋与非综合征型耳聋相关的突变热点区域。文章收集了浙江省各地区非综合征型及药物性耳聋患者标本318例, 对其进行临床和分子遗传学评估。12S rRNA基因突变分析发现34个变异位点, 已知的1555A>G、1494C>T和1095T>C突变分别占9.1%、0.6%和1...