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The epigenome is a molecular marking system that controls gene expression without altering the DNA sequence.

Image credit: Dreamstime表观基因是在不改变DNA序列前提下控制基因表达分子标记系统。

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Furthermore, PTP1B deletion significantly reduced gene expression of 3 1-adrenergic receptor subtypes, consistent with blunted constriction to phenylephrine.

此外PTP1B缺乏明显减31-腺受体亚型基因表达,与对苯福林收缩反应迟钝有

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This kidney atlas allowsa comprehensive analysis of the progression of gene expression states during nephrogenesis, as well as discovery of potential growth factor-receptor interactions.

图谱使得全面分析生过程中基因表达状态变得可能,除此之外,作者表示它还有助于现潜在生长因子-受体相互作用。

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Alternatively, a new version of a gene can also be created through reverse transcription: during gene expression, the mRNA is copied back into a sequence of DNA that is inserted into the genome.

其二,新基因复本也可能透过反转录作用,将基因表现出来mRNA反转录成DNA序列,再插回基因组内,这种现象称为反转录移位(retrotransposition),生在细胞内称为长散布核因子(LINE)转位子活动时。

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Osmosis-消化

Usually, for gene expression, nucleotides are read in groups of three.

通常对于基来说,核苷酸以三个为一组被读取。

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《国家地理》阅读精选

Though his gene expressions changed, his DNA did not.

尽管他的基发生了变化,但他的DNA并没有改变。

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《国家地理》阅读精选

However, researchers found 7 percent of his gene expressions had also changed.

然而,研究人员发现他7%的基也发生了变化。

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经济学人-科技

Finally, the team investigated the mechanisms behind these differences in gene expression.

最后,研究小组用基调查造成这些不同的机理原

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经济学人-科技

When that happened, changes in gene expression appropriate to the new status quickly followed.

地位等级一旦发生改变,与之相应的基随即改变。

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《国家地理》阅读精选

Gene expressions determine whether genes turn off and on, which can change how cells function.

定了基否关闭和开启,这改变细胞的功

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科学60秒-科学美国人 2019年9月合集

So we might expect because of this distance, evolutionary distance, that gene expression in the brain would be quite different.

此我们以预想,由于这种进化距离,大脑中的基会有相当大的差别。

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PBS地球-动物趣闻

One piece of the puzzle could be changes in gene expression.

谜题之一的变化。

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TED-Ed(视频版)

Within the cell, they can directly influence gene expression and protein synthesis.

在细胞内,它们以直接影响基和蛋白质合成。

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Reel知识卷轴

Now, with identical twins, they have the same DNA, but sometimes gene expression can occur in one twin and not the other.

同卵双胞胎有相同的 DNA,但有时基只发生在一个双胞胎中。

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Reel知识卷轴

And this can create differences between them, and these environmental differences that trigger different gene expression might even start in the womb.

这就造成了它们之间的差异,这些环境差异触发了不同的基甚至从子宫开始。

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2017级专外有声

Cell proliferation appears to be incompatible with the expression of a terminally differentiated program of gene expression.

细胞增殖似乎与终末分化的基程序的不相容。

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健身知识科普

However, fats do play a fairly critical role in cellular function, heart health, and gene expression, as well as of course energy storage.

然而,脂肪在细胞功、心脏健康和基中确实起着相当关键的作用,当然还有量储存。

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生活小窍门

There are many studies showing that when we are exposed to cold-based exercise, we have an increase in gene expression for brown fat.

有很多研究明,当我们进行寒冷条件下的运动时,棕色脂肪的基现会增加。

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TED-Ed(视频版)

These corticosteroids sneak into cells and can turn off the " fire alarm" by suppressing gene expression of inflammatory signals.

这些皮质类固醇潜入细胞,以通过抑制炎症信号的基来关闭“火警”。

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简单心理学

And while research is ongoing, the general idea is that these things may cause symptoms by influencing someone's hormone levels or gene expression.

虽然研究还在进行中,但总的观点这些通过影响某人的荷尔蒙水平或基而引发症状。

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SciSHow 快问快答小科普

And they have seen increases in growth hormones and changes to gene expression in plants played music or single-note tones.

他们还看到生长激素的增加以及植物播放音乐或单音符时基的变化。

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双语版 TED-Ed 演讲精选

Meanwhile, the slug adjusts its gene expression to improve its relationship with the chloroplasts and removes damaged plastids to avoid accumulation of potentially damaging chemicals.

与此同时,鼻涕虫通过调整自身的基改进与叶绿体的相互作用并去除受损的质体,从而避免具有潜在破坏性化合物的累积。

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TED-Ed(视频版)

Some of these, like a methyl group, inhibit gene expression by derailing the cellular transcription machinery or causing the DNA to coil more tightly, making it inaccessible.

它们其中的一些,像甲基,抑制基通过阻碍细胞的转录或导致DNA的盘绕更紧密,使得它们难以看到。

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自然杂志:动物学

These sections are generally arranged in a straight line along the head to tail axis and each have different gene expressions associated with them.

这些部分通常沿着头尾轴排列成一条直线,并且每个部分都有与其相关的不同基

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