对18个猛禽chd基因的一段内含子序列进行比较和分析。
In this study, CHD gene intron sequences of 18 species of predatory birds were compared and analyzed.
核内的加工酶切下内含子,同时外显子(编码序列)连接在一起。
The introns are cut out by processing enzymes in the nucleus and the exons (coding sequences) ligated together.
这样获得的DNA与原始的dna序列的不同在于缺少内含子和启动序列。
It differs from the original DNA sequence in that it lacks intron and promoter sequences.
该结果合理地解释了内含子在脊椎动物,线虫及昆虫中数量的分布呈下降趋势。
The results felicitously explain that the number of introns distributed in vertebrates, Diptera and nematodes are declining sequentially.
首先从实验对象的外周血中提取DNA,pcr扩增il-4的第二个内含子中的一段TG重复序列,然后用8%的聚丙烯酰胺凝胶电泳检测这段基因的多态性。
DNA were extracted from the peripheral blood, then TG sequence in second intron of IL - 4 was amplified by PCR, the polymorphism of that segment were then detected through 8% polyacrylamide gel.
认为内含子是真核生物在与原核生物进化谱系分开以后才开始有的理论。
Theory that introns were introduced into eukaryotes after the lineage separated from prokaryotes.
非编码序列,特别是内含子的起源,是一个重要的悬而未决的问题。
The origin of non-coding sequences, especially introns, is an outstanding issue that has been receiving continuous debate for the last two decades.
自1977年发现不连续基因(断裂基因)以来,有关内元(内含子)的功用以及转录后的加工机制是真核生物分子遗传研究的一个热门。
Since the split gene was found in 1977, the processing mechanism transcribed and the function of intron have been a popular subject about the study of molecular genetics ineucaryote.
我们使用一个已知导致剪切缺陷的83个内含子和35个外显子的突变来评估hsf的效率。
We evaluated HSF efficiency using a set of 83 intronic and 35 exonic mutations known to result in splicing defects.
目的扩增常见动物TP53内含子8片段,确定其在法医学生物检材种属鉴定中的应用价值。
Objective To identify the species of biological samples by amplifying intron 8 of the TP53gene.
内含子的AT含量达到61%且含有较多的重复序列。
细菌基因中无内含子。
认为内含子在早期生命形式中即存在并被真核生物保留而被原核生物丢失的理论。
Theory that introns were present in early life forms and were retained by eukaryotes, but lost by prokaryotes.
目的调查广东地区汉族人群MICA基因第5外显子和MICB基因第1内含子微卫星多态性分布。
Objective To investigate the genetic polymorphism of microsatellite in the exon 5 of MICA gene and the intron 1 of MICB gene in Guangdong Han population.
实验采用核蛋白激酶基因内含子5(AK5)和DNA测序法来分析这18种鸟的分子系统发育关系。
In this experiment, phylogenetic relationships of 18 species of passerines were studied using Adenylate Kinase Intron 5 (AK5) sequences and DNA techniques.
古老线粒体上的寄生基因便开始疯狂进行自我复制,最终导致基因组上有成百上千的内含子。
The genetic parasites that arrived with the ancestor of the mitochondrion began to replicate like crazy, littering the main genome with hundreds of introns.
结果通过对内含子13和内含子22的两个STR位点的检测,两个家系均检出携带者。
Results The carriers of two families were detected by STR within intron 13 and 22.
目的为探讨假肥大型肌营养不良症(DMD)基因内含子的核苷酸序列特点与存在于内含子中的多个断裂点的关系。
Objective The purpose of the study was to investigate the relationship between the character of nucleic acids and the multiple breakpoints in the introns of DMD gene.
目的探索上海地区汉族人口中5羟色胺转运体(5HTT)基因第二内含子多态性与强迫症的关系。
Objective to explore the relationship between polymorphism of intron 2 in serotonin transporter (5 HTT) gene and obsessive compulsive disorder (OCD) in the han nationality of Shanghai.
p 63的两个不同启动子和多种内含子剪接方式,导致p 63基因编码产生多种亚型p 63蛋白。
Because of its two promoters and many different splicing modes of introns, p63 gene encodes many kinds of p63 isoforms.
型内含子的序列差异很大,但是它们都具有保守的碱基配对区,即保守的二级结构。
Although having great variance in sequence, group I introns share a number of conserved base-paired regions, which take part in the formation of the catalytic structure.
在内含子16内有1个位点存在转换型杂合子。
我们还发现,曾经含有但数百万年前已丢失内含子的基因的进化率也是很快的。
We also found that genes that hae lost their introns many millions of years ago eole especially fast near where the introns once resided.
文章介绍了该内含子的分布,结构特征及剪接机理,并与主内含子作了相应比。
The distribution, structural features and splicing mechanism of at AC introns are discussed and compared with major class of introns.
信使RNA中没有内含子,它们在转录后加工的过程中被切除了。
Messenger RNA (mRNA) does not contain introns, these being removed during the transcription process.
内含子突变可以通过引起剪接异常或关键性DNA -蛋白反应中断而影响基因调控。
Intronic mutations may affect gene regulation through aberrant splicing or disruption of critical DNA protein interactions.
真核基因剪接位点是真核细胞生物基因序列中外显子和内含子的相邻区域。
The splice sites of the eukaryotic DNA are the region of the vicinity in the exons and introns of the DNA sequences of the eukaryotic cell biology.
对12个隼形目物种CHD基因的一段内含子序列进行比较和分析。
In this study, CHD gene intron sequences of 12 species of Falconiformes were compared and analyzed.
初步的统计结果表明:基因组大小跟内含子总大小、内含子密度成正比的关系。
Initial analysis indicates that genome size and intron density is positively correlated to total intron size.
初步的统计结果表明:基因组大小跟内含子总大小、内含子密度成正比的关系。
Initial analysis indicates that genome size and intron density is positively correlated to total intron size.
应用推荐