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.
科学家们对连接到染色体末端的部分最感兴趣。
The scientists were most interested in parts connected to the ends of the chromosomes.
端粒是保护染色体末端的非编码重复DNA序列。
Telomeres are sections of noncoding, repeating DNA that protect chromosome ends.
这些位于染色体末端的小帽子能够保护染色体不受损。
These are caps on the ends of chromosomes that protect the chromosomes from damage.
这些位于染色体末端的小帽子能够保护染色体不受损。
These are caps on the ends of chromosomes 3 that protect the chromosomes from damage.
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.
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.
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.
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.
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.
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.
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.
这是染色体末端的帽子，保护内部的DNA不受破坏，就像鞋带头上的绳花让鞋带不散毛。
These are caps on the ends of chromosomes that protect the DNA in them from damage, much like caps on shoelaces prevent fraying.
端粒是染色体末端的特化结构，由简单呈串联线性排列的核酸重复序列及相关蛋白质组成。
Telomeres, the specialized structure of chromosomes ends, consist of tandem arrays of DNA repeats and related proteins.
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.
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.
端粒酶是真核生物中一种逆转录酶，它能将端粒区的g重复序列加到染色体末端以维持端粒长度的稳定。
Telomerase is a ribonucleoprotein enzyme maintaining the length of the telomeres by adding G-rich repeats to the end of the eukaryotic chromosomes.
绍斯塔克说：“当我们着手这项研究时，我们真的只是对有关DNA复制的基本原理及如何维护染色体末端感兴趣。”
Szostak said: "When we started the work, we were really just interested in the very basic question about DNA replication, how the ends of chromosomes are maintained."
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.
其策略就是把凌乱的染色体末端卷起，形成帽子，由此将DNA末端隐藏起来，不被识别错误DNA链的酶发现。
That strategy is to tuck in the ragged chromosomal tips and form the cap, thereby hiding those tips from enzymes whose job it is to reattach errant DNA strands.
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.
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 .
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.
生命早期接受母乳喂养的婴儿在4、5岁时端粒(给细胞中染色体末端‘带帽’，用以保护DNA的片段)可能更长。
Infants who are exclusively breastfed early in life are more likely by age 4 or 5 to have longer telomeres, the protective bits of DNA that cap the ends of chromosomes in cells.
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.
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.
这些数据质疑这样的观点，即认为端粒需要单链DNA突起形成一个功能性的封盖结构，并证明在染色体末端的保护问题上，大自然有着灵活的解决方案。
These data challenge the view that telomeres require ssDNA protrusions for forming a functional capping structure and demonstrate flexibility in solutions to the chromosome end protection problem.
这些数据质疑这样的观点，即认为端粒需要单链DNA突起形成一个功能性的封盖结构，并证明在染色体末端的保护问题上，大自然有着灵活的解决方案。
These data challenge the view that telomeres require ssDNA protrusions for forming a functional capping structure and demonstrate flexibility in solutions to the chromosome end protection problem.
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