无论如何，如果我们检查这些螺旋状DNA的末端，我们会发现每条人类染色体的末端都有一个被称作“端粒”的 DNA序列。
Anyway, if we examine these ends of these coils of DNA, we will find a sequence of DNA at each end of every human Chromosome, called a telomere.
因为端粒保护染色体末端，阻止细胞分裂。
Because telomeres protect the ends of chromosomes to stop cells dividing.
携带基因的DNA线型分子构成染色体，染色体端粒位于染色体末端。
The thread-like DNA molecules that carry genes are packed into chromosomes, the telomeres being the caps on their ends.
承载着各种基因的DNA分子就象一根长长的细线，并依一定规则扭曲成染色体，而端粒就象一顶帽子那样覆盖在染色体末端。
The long, threadlike DNA molecules that carry our genes are packed into chromosomes, the telomeres being the caps on their ends.
我在我的实验室里已经发现，人的心理压力确实会加快细胞的老化，这从染色体末端即端粒的损耗程度上可以看出来。
A. In my lab, we’re finding that psychological stress actually ages cells, which can be seen when you measure the wearing down of the tips of the chromosomes, those telomeres.
他们的发现解释了染色体末端是怎样得到端粒的保护，而端粒是在端粒酶的作用下形成的。
These discoveries explained how the ends of the chromosomes are protected by the telomeres and that they are built by telomerase.
正如人们所了解的，端粒酶因其能够保护端粒，从而阻止DNA链的分离，就像鞋带末端的塑料能防止其受到磨损。
Telomerase is known to protect telomeres which stop the string of DNA unravelling much like the plastic tips at the ends of shoelaces stop fraying.
有研究表明端粒末端转移酶的活动与心理压力之于身体健康有关。
Other studies suggest that telomerase activity may be a link between psychological stress and physical health.
端粒末端转移酶是一种可以重建并且延展端粒的酶。
Telomerase is an enzyme that can rebuild and lengthen telomeres.
特便是，研究者发现端粒末端转移酶的水平在练习冥想时增加。而端粒末端转移酶是一种对于身体长期健康非常重要的一种酶。
Specifically, researchers discovered increased levels of telomerase, an enzyme important for the long-term health of cells in the body.
他们将这些遗传保护帽称为“端粒”（telomere，这一英文单词来自希腊语，意谓末端）。
The researchers called the genetic caps "telomeres", from the Greek for "end part".
这几位获奖者已经证明，染色体解决上述问题的奥妙就在于染色体末端的端粒（telomer）以及形成端粒的酶——端粒酶。
The Nobel Laureates have shown that the solution is to be found in the ends of the chromosomes the telomeres - and in an enzyme that forms them - telomerase.
位于染色体末梢的端粒的作用可与鞋带末端的塑料头相比，后者能够使鞋带不松脱散开。
The telomeres, the tips of chromosomes, have been compared to the plastic tips on the ends of shoelaces, which prevent the lace from unraveling.
端粒可以保护基因，这种情况恰恰像鞋带末端的塑料帽。
Telomeres protect the genes, much like the plastic tips on the ends of shoelaces.
它们由两条缠绕的DNA链的四种碱基组成，这些碱基组装成染色体，在其末端具有端粒酶的帽子。
They are made of two intertwined strands of DNA written in an alphabet comprising just four base codes, packed into chromosomes with telomere "caps" on their ends.
端粒酶，是一种催化延长端粒末端的反向转录酶。
Telomerase is a kind of ERT which causes catalysis and prolong the end of telomere.
细胞的衰老与死亡和细胞核的染色体末端——端粒有密切的关系。
Telomere, which defines the ends of chromosome, has close relationship with cell senescence and apoptosis.
粗线期染色体荧光原位杂交结果表明，大多数染色体的末端都有端粒串联重复，但信号的强度在不同染色体上是不同的。
Pachytene FISH results showed that most of chromosome ends possess the telomere tandem repeats, but the signals on different chromosomes were not the same in intensity.
端粒是真核细胞线性染色体末端的一种特殊结构，与细胞的衰老及恶性肿瘤的发生密切相关。
Telomeres are linear chromosomal end special regions of eukaryotic cell and related intimately on the cells aging and the developing of malignant neoplasm.
端粒是染色体末端具有TTAGGG重复序列的特殊结构，它对维护染色体完整并在细胞老化和肿瘤中起着重要作用。
Telomeres , which consist of repeated TTAGGG sequences at the end of the chromosome, are essential for genome integrity and play an important role in cell aging and cancer .
细胞染色体末端具有特殊序列，该序列具有维持染色体稳定的功能，被命名为“端粒”。
The specific structure at the end of the chromosome named "telomere" is essential for chromosome stability.
结论：本文的研究结果提示X染色体长臂末端可能是卵巢早衰的特异性基因区段并与X染色体末端端粒的缺失有关。
Conclusion: The result showed that terminal deletion of Xq and telomeric deletion of X chromosome were important factors of premature ovarian failure.
染色体末端的端粒对于细胞基因组的遗传稳定性至关重要。
The ends of chromosomes, the telomers, are important for the genetic stability of our cells.
端粒酶可延长染色体末端dna，端粒酶的活化使细胞获得无限增殖能力。
Telomerase can extend the telomere of DNA and the activated telomerase can let cells gain the ability of unlimited reproduction.
端粒酶是染色体末端转移酶，是合成端粒DNA的酶，对端粒的结构起着稳定的作用。
Telomerase which synthesizes telomeric DNA and mantains the stability of telomeric structure is end transcriptase of chromosomes.
端粒酶的主要功能是复制端粒末端dna，维持端粒长度。端粒酶活性调节与肿瘤发生和细胞衰老有着密切关系。
The main function of telomerase is for the replication of telomere DNA, which is closely related with tumor and cell senescence.
由此她认为，染色体末端的一个结构防碍了染色体的变化，她把这个结构叫作“端粒”（在染色体端位上的着丝点）。
This led her to believe that a structure at the end of the chromosome prevents chromosomes from changing. She called this structure the telomere.
这种酶修复并加长了端粒——对免疫力和寿命来说至关重要的染色体末端的微小蛋白质复合物。
This enzyme repairs and lengthens telomeres, tiny protein complexes on the ends of chromosomes that are vital for immunity and longevity.
这种酶修复并加长了端粒——对免疫力和寿命来说至关重要的染色体末端的微小蛋白质复合物。
This enzyme repairs and lengthens telomeres, tiny protein complexes on the ends of chromosomes that are vital for immunity and longevity.
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