Several classification methods based on DNA gene expression microarray data are introduced in this paper.
介绍了目前几种基于DNA微阵列基因表达数据的分类方法。
The monitoring results of microbial enhanced oil recovery(MEOR) by using DNA gene detecting technique are obtained.
论述了DNA基因跟踪检测技术在MEOR中的应用情况和监测结果。
A physician in primary Sjogren's syndrome in patients with salivary glands, lacrimal gland, kidney specimens detected EB virus and DNA gene.
有医学家在原发性干燥综合征患者中的涎腺、泪腺、肾脏标本中检测出EB病毒及其DNA基因。
Barcoding is a technique in which one or more short gene sequences, taken from a well-characterized portion of the genome, are used to identify a species through DNA analysis.
测序是一种技术,它是从具有明确特征的基因组提取的一个或多个短基因序列,并通过DNA 分析来识别一个物种。
Each gene in a DNA molecule carries the instructions for making a single kind of protein.
每一个DNA分子中的基因都带着命令制造出一种独一无二的蛋白质。
They then found that the switch of a single DNA unit in the gene determines whether a person has wet or dry earwax.
他们发现基因中dna单链上的基因单元具有像开关一样的物质,该物质决定了人们的耳垢类型。
So, very crudely, the thing on the wall is the switch DNA, your finger is the regulator, and gene expression is the light turning on or turning off.
因此,大体上可以这么形容,在墙上的东西就是开关DNA,手指是调控器,基因表达就是打开灯或关闭灯。
But because the DNA code itself remained unchanged, Morris's team suggest that the changes in gene expression are epigenetic.
但由于DNA密码本身并无变化,莫里斯的团队认为这些基因表达的调整是表观的。
Searching through the DNA of the cancer cells the team found that a gene that controls the metabolism was overly expressed compared with healthy cells.
在搜寻癌细胞的DNA时,研究小组发现了一种控制代谢的基因相比健康的细胞过度的表现了。
Proof that DNA chips could be used to analyse gene activity, or expression, came in 1995.
DNA芯片可以用于分析基因活动或表达的可行性在1995年被证实。
But it can take a long time for the right mutation to occur, especially if there is a very small target, like the region of DNA that controls a gene.
但要得到最合适的变异基因,耗费的时间会非常长,尤其是所要达到目标非常小时,如DNA中用来控制别的基因的区域部分,将是一项旷日持久的工程。
The genetic equivalent of a tailor who USES molecular "fingers" to grab onto DNA, before snipping it apart and stitching in a new sequence could lead to safer gene therapies.
遗传就像一位“裁缝”,用像“手指”一样的分子先抓住DNA,把它剪开后再缝合成一个新DNA链。这有可能是较为安全的基因疗法。
The gene, called DNA-PK, appears to regulate the process in the liver that turns carbohydrates into fat, the University of California, Berkeley team reported on Thursday in the journal Cell.
这种叫做DNA-PK的基因,作用看来像似:控制肝脏内将碳水化合物转换成脂肪的过程。加州大学伯克利小组在星期四的细胞杂志内发表这个新观点。
When regulatory molecules bind to this switch DNA, the contiguous gene is either expressed or prevented from being expressed.
当调控分子与这个开关dna结合时,相邻的基因便开始表达或终止表达。
Most other animals have this functioning DNA but at some point in our history, a mutation disbled the gene - whilst leaving behind its remnants as junk DNA.
其他大多数动物都有这种有用的DNA,不过在我们的进化史中,有个改变让这种基因失效了——不过还是留下了一点残余,成了废料DNA。
By comparing the DNA of Japanese with each type, the researchers were able to identify the gene that controls which type a person has, they report in the Monday issue of Nature Genetics.
通过比较两种类型耳垢的日本人的DNA,研究人员鉴定出了控制耳垢类型的基因,研究结果刊登在周一发布的《自然遗传学》期刊上。
The other adds acetyl groups, which are slightly larger, to the proteins around which the DNA is coiled. This has the opposite effect, making gene expression easier.
另一种是在缠绕着DNA的蛋白质上添加稍大一些的乙酰基,于是便产生了相反的效果———使基因表达更容易了。
One relied on the DNA sequence of a gene called cytochrome oxidase.
第一种方式是根据一种叫做细胞色素氧化酶基因的DNA序列。
Besides the low efficiency of cloning - just 1.7 per cent of embryos came to term - another challenge to creating transgenic dogs is controlling where in the nuclear DNA a foreign gene lands.
除了低克隆率-只有1.7%的胚胎能存活到最后阶段-创造转基因狗还有一个挑战即如何控制外部基因在核d NA中的植入位置。
So they were able to develop methods to recognize and sort short bits of ancient DNA from longer chunks of contaminant DNA and also to fish out gene regions of interest.
因此,他们可以找到方法来识别并排序从受污染的长段DNA中提取的短段古生代DNA,并提取出感兴趣的基因段。
The reason is that after a favored version of a gene has swept through the population, mutations start building up in its DNA, eroding the uniformity that is evidence of a sweep.
原因在于,当一个理想版本基因“扫描”一个人群,变异便开始在DNA中逐渐累积,这会将基因的统一性——基因扫描的证据——加以破坏。
To assess gene expression in each small bit of tissue, researchers expose its RNA to a gene chip, or DNA microarray.
为了评价每小片组织中的基因的表达情况,研究人员将它的RNA暴露给一个基因芯片,或者DNA阵列。
They have employed arrays of DNA probes, known as gene chips, to look for pre-identified variations in their clients' DNA.
他们利用DNA探针阵列(即基因芯片)对客户的DNA突变进行预诊断。
In the future, the benefits of these "fit" genes might be extended to the general population through gene therapy-the use of pharmaceuticals to change the DNA structure of a living person.
在未来,这些“适应”基因将通过基因疗法推广到普通大众——通过使用药品改变活人的DNA结构。
The single DNA change deactivates the gene and, without its contribution, a person has dry earwax.
而有的dna单链发生了变异,遏制了该基因,使之无法发挥作用,因此一些人的耳垢是湿态的。
Contiguous to each gene is DNA that doesn't code for protein; instead, it functions as the gene's on-off switch.
每个相邻基因之间是不能编码蛋白质的dna;相反,它起着基因启动-关闭开关的功能。
The team used zinc fingers that specifically target the IPK1 gene and then added bacterial DNA that would disrupt the gene while at the same time conferring herbicide resistance to the plant.
他们团队用利用锌指结构以IPK1基因为目标,另外添加可以中断此基因同时赋予植物抗除草剂性质的细菌DNA序列。
One adds molecules called methyl groups to the DNA of the gene. This suppresses gene expression.
一种是在基因的DNA上添加甲基,从而阻止了基因表达。
One adds molecules called methyl groups to the DNA of the gene. This suppresses gene expression.
一种是在基因的DNA上添加甲基,从而阻止了基因表达。
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