MEF2D是一种转录因子,是一种控制某些基因开关状态的蛋白质。
MEF2D is a transcription factor, a protein that controls whether several genes are turned on or off.
组蛋白还起到了基因开关的作用,因此它们编码的信息可以被复制并且传递到细胞的其它部位。
Histones also play a role in turning genes on so that their coded instructions can be copied and sent to other parts of the cell.
癌细胞甲基化水平的异常导致基因开关关闭,使得正常细胞关键蛋白的装配线出现缺陷。
Cancer cells have abnormal levels of methylation, which turns the gene switch off halting the assembly line of critical proteins found in normal cells.
有一种蛋白质对瓢虫的这两种颜色有影响,并且通过基因开关从一种颜色转换到另一种颜色非常容易。
One protein is responsible for the difference between the two colors, and the genetic switch from one to the other is very simple.
这一奇特发现使得科学家认为,宽吻海豚有一种“基因开关”,能让海豚在禁食时模拟糖尿病状态,但并没有任何病态反应。
The extraordinary finding has led scientists to suggest that dolphins have a "genetic switch" that allows them to mimic diabetes while they are fasting, without suffering any ill effects.
吸食一次可卡因会增加G9a的浓度,然而上瘾之后反而会使其浓度降低,抑制蛋白质的活动,削弱其对基因开关的全面控制。
One-time use of cocaine increases levels of G9a. But repeated use works the other way, suppressing the protein and reducing its overall control of gene activation.
研究者在一月份的细胞杂志中报道说,他们发现了控制一种类型肌肉结构的基因开关,而对这种肌肉类型学者们目前为止还不甚了解。
Researchers report in the January issue of the journal Cell Metabolism, published by Cell Press, the discovery of a genetic "switch" that drives the formation of a poorly understood type of muscle.
在最初的实验中,他们采用了一个基因开关来调节复合胺的一种特定的受体分子的产生。为了得到SID症的模式,他们对基因开关做了调整。
Their original experiment used a genetic switch to regulate production of a particular receptor molecule for serotonin.
我们正在研究基因启动器以及什么会是它们的主开关。
We're looking at gene promoters and what would be their master switch.
基因不是蓝图——它们更像是能够被打开和关上的开关。
Genes are not blueprints - they're more like switches that get turned on and off.
美国对斑马鱼的最新研究确认,再生的关键细胞途径似乎是通过开关某种基因而激活再生。
The new US study of zebrafish has identified a key cellular pathway that appears to trigger regeneration by switching on certain genes.
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。
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.
看似不同的癌症诱因有一个共同点,那就是都会引起基因损伤,锁定这些开关使其处于“全开”的状态。
The common aspect of the apparently disparate causes of cancer is that they induced genetic damage, locking these switches full on.
由于这种醋酸基在3个月大的白鼠脑中并不存在,研究显示这种醋酸基扮演了学习和记忆基因群组开关的角色。
Because the acetyl wasn't present in young 3-month-old mice, the study concludes that it ACTS as a switch for a cluster of learning and memory genes.
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。
When regulatory molecules bind to this switch DNA, the contiguous gene is either expressed or prevented from being expressed.
相比之下,假如序列执行开关的职能,那么它们会非常相似,因为它们经过选择保持他们的基因调控功能。
By contrast, if the sequences function as switches, then they are expected to be very similar because they are under selection to maintain their gene-regulating function.
阿伯丁大学科斯特利兹中心的科学家们说这个开关控制着甘丙肽基因。
Scientists at the university's Kosterlitz Centre said the switch controls the galanin gene.
基因“开关”涉及乙酰化作用,也就是将乙酰基群在染色质的DNA水平上引入到分子中,由此完成基因转录。
The genetic switch involves acetylation, the introduction of an acetyl group into a molecule at the DNA level of chromatin resulting in genetic transcription.
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。
Contiguous to each gene is DNA that doesn't code for protein; instead, it functions as the gene's on-off switch.
把它看成是灯泡和他们的开关,灯泡就是基因,开关则控制DNA序列。
Think of it like light bulbs and their switches, where the light bulbs are genes and the switches are these controlling DNA sequences.
他们发现p53基因不仅产生大家熟知的p53蛋白质,同时还产生一种p53蛋白质变换“控制开关”的变种——对碘氧基苯甲醚。
They found that the p53 gene makes not only the well-established p53 protein, but also an alternative "control switch" variation of the p53 protein - known as an isoform.
开关序列的鉴别要比基因的鉴别计算起来更具有挑战性,但是Pollard实验室对此进行了研究。
The identification of switch sequences is much more computationally challenging than the identification of genes, but the Pollard lab is leading the charge.
另一方面Kosak以及其他的染色体拓扑学家认为基因云的形状本身可能就是一种开关。
On their fringes are Kosak and other chromosome topographers, who think that shape itself could be a type of switch.
Bejerano和同事们从黑猩猩的基因组提取开关信息,把它们附加到一组可以报告的基因上,当生物发育时,科学家们可以跟踪这组基因的影响。
Bejerano and colleagues took the switch information from a chimpanzee's genome and essentially "hooked it up" to a reporter gene, a gene whose effects scientists can track as an organism develops.
为了了解那些基因云发生的情况,遗传学研究者们必须找到开启和关闭基因的生物学开关。
Hoping to understand what's happening in those clouds, epigenetics researchers have focused on biochemical switches that turn genes on and off.
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。
They then found that the switch of a single DNA unit in the gene determines whether a person has wet or dry earwax.
这一过程是由粘附在基因上并能改变基因活性的“化学开关”所控制的。
The process is controlled by chemical switches that stick on to genes and alter how active they are.
十年来,科学家一直在试图破解他们所称为的人类“表观基因组”,即所有200种人类细胞中的化学开关模式。
For a decade, scientists have been trying to decipher what they call the human "epigenome", or the pattern of chemical switches in all 200 types of human cell.
十年来,科学家一直在试图破解他们所称为的人类“表观基因组”,即所有200种人类细胞中的化学开关模式。
For a decade, scientists have been trying to decipher what they call the human "epigenome", or the pattern of chemical switches in all 200 types of human cell.
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