细菌基因中无内含子。
The presence of introns, and thus exons, in effect made genes modular.
内含子与外显子的存在，能够使基因更加模块化。
The AaSQS genomic DNA has a complex organization containing 14 exons and 13 introns.
青蒿鲨烯合酶基因组dna结构很复杂，包括14个外显子和13个内含子。
Theory that introns were introduced into eukaryotes after the lineage separated from prokaryotes.
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。
Messenger RNA (mRNA) does not contain introns, these being removed during the transcription process.
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。
For example, unlike animal genes, plant genes are generally much smaller with fewer and smaller introns.
例如，与动物基因不同，植物基因有更少和更小的基因内区普遍小得多。
The introns are cut out by processing enzymes in the nucleus and the exons(coding sequences)ligated together.
内 的加工酶切下内含子，同时外显子（编码序列）连接在一起。
Theory that introns were present in early life forms and were retained by eukaryotes, but lost by prokaryotes.
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。
The introns are cut out by processing enzymes in the nucleus and the exons (coding sequences) ligated together.
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 7 DFR-like genes were found to be arranged in a tandem array, and all of them comprised 6 exons and 5 introns.
这7个基因在基因簇中串联排列 ，每个基因都由6个外显子和 5个内含子组成。
Because of its two promoters and many different splicing modes of introns, p63 gene encodes many kinds of p63 isoforms.
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。
The distribution, structural features and splicing mechanism of at AC introns are discussed and compared with major class of introns.
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。
We also found that genes that hae lost their introns many millions of years ago eole especially fast near where the introns once resided.
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。
The results felicitously explain that the number of introns distributed in vertebrates, Diptera and nematodes are declining sequentially.
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 origin of non-coding sequences, especially introns, is an outstanding issue that has been receiving continuous debate for the last two decades.
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 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.
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 genetic parasites that arrived with the ancestor of the mitochondrion began to replicate like crazy, littering the main genome with hundreds of introns.
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。
Noncoding DNA, containing introns, repetitive elements, and potentially active transposable elements, requires effective mechanisms for its long-term silencing.
非编码DNA，包括内含子，重复元件，和潜在激活转座子，其长期的沉默需要有效的机制。
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。
For all sequences, information on related genes, exons, introns, gene products and taxonomy is available, as well as selected genome maps and RNA secondary structures.
对于所有的序列，关于相关基因、外显子、内含子、基因产物和分类学，以及挑选的基因组图谱和RNA二级结构信息是可利用的。
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.
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。
Theses results demonstrated that all exons of MyoG gene were highly conservative, but its introns (especially intron 1) were more polymorphic in the process of wild boar evolution.
这些结果表明，野猪肌细胞生成素基因的编码序列在进化过程中是高度保守的，而内含子部分尤其是第1内含子具有丰富的序列多态性。
Theses results demonstrated that all exons of MyoG gene were highly conservative, but its introns (especially intron 1) were more polymorphic in the process of wild boar evolution.
这些结果表明，野猪肌细胞生成素基因的编码序列在进化过程中是高度保守的，而内含子部分尤其是第1内含子具有丰富的序列多态性。
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