目前限制基因治疗的主要障碍是基因转移系统不能满足临床要求。
The main obstacle of clinical application of gene therapy is the limitation of the gene transfer system.
许多欧洲国家抱持这种态度，因而限制基因改造作物的种植与输入。
Taking that view, many European countries are restricting the planting and importation of GM agricultural products.
这表明终止密码子在不同层次上限制基因组分的使用，是影响基因碱基分布的因素之一。
The compositions associated with stop codons are constrained, it is one of factors that affects the base distribution in protein-coding genes.
基于这种观点，许多欧洲国家正在限制转基因农产品的种植和进口。
Taking that view, many European countries are restricting the cultivation and importation of genetically modified agricultural products.
基于这种观点，许多欧洲国家正在限制转基因农产品的种植和进口。很多争论都取决于人们对安全的看法。
Taking that view, many European countries are restricting the planting and importation of genetically modified agricultural products. Much of the debate hinges on perceptions of safety.
美国疾病控制与预防中心(CDC)也对某些基因数据加以限制，这些数据是由全球不同地区分析得到的。
America's Centres for Disease Control (CDC) also restricts access to some of the genetic data that it has analysed from various parts of the world.
周日发布的一项研究表明：一个通过热量限制来增长寿命的基因似乎还对促进记忆和智力有关键作用。
A gene linked to increased life span through calorie restriction also appears to play a critical role in boosting memory and brain power, according to a study published Sunday.
饮食限制看来会引起一项早已被植入所有生物基因的古老本能：在食物缺乏的时候，养分会被优先供给于组织维护，而非细胞增殖。
Dietary restriction seems to set off an ancient strategy written into all animal genomes, that when food is scarce resources should be switched to tissue maintenance from breeding.
他以囊性纤维化为例：不像乳腺癌，在这个领域没有获取相关基因的使用权不受垄断专利权限制，因此许多相互竞争的检验公司纷纷成立。
As evidence, he points to the case of cystic fibrosis: unlike breast cancer, no monopoly patent blocks access to the relevant gene, and dozens of rival testing companies flourish.
这也强调了关于有机农业的一个普遍的观点——即便是对喷洒化肥或者采用基因物种不加任何限制，要养活数十亿人口已属不易。
It also highlighted a common critique of organic farming: It's already hard to feed billions of people, even without rules against spraying chemicals or swapping genes.
所以他说基因不像其他外部因素那样重要，这里他指基因因素不会严格限制我们的寿命。
So as well as saying that genetic factors aren't as important as external factors, here he's saying that genetic factors also don't keep to a strict timetable.
辛克莱博士认为，卡路里限制机理延长生命的途径与产生被称作sirtuins蛋白的基因有关。
In Dr Sinclair's view, the way caloric restriction prolongs life revolves around genes for proteins called sirtuins.
每种生物的基因结构中都有一些限制。“西北大学的人类学家WilliamLeonard说。”
"There are some real constraints that are set by the genetic architecture of the individual organism," says anthropologist William Leonard of Northwestern University.
人类基因序列已经深深的影响了基础研究和基因序列读取工具的精进，而这些进步却仅仅限制了医疗影响。
对转基因谷物消耗的限制看起来将成为意图保护国内农业生产的法律措施中的一个典型范例。
Limitations on the consumption of genetically modified crops may seem an example of legal measures intended for the protection of domestic agricultural production.
当然这么做也会出现问题，但若想要没有问题，唯一的办法便是规定某人获取其基因组序列的做法为非法——没有人会一本正经地提议严格限制这种做法。
That will create problems, but the only way to stop that happening would be to make it illegal for someone to have his genome sequenced—and nobody is seriously suggesting that illiberal restriction.
这与世界上其他的发达国家形成了强烈的对比，他们对于转基因的东西有着苛刻的限制和完全的禁止，因为他们不认为转基因的东西已被证实安全。
This is in sharp contrast to most other developed nations around the world, where there are significant restrictions or outright bans on GMOs because they're not considered proven safe.
计算机对于将基因组拼接成整体也没有限制。
科学家们正在争论如何限制他们最新发现的改造基因结构的能力。
Scientists are debating how to limit their newly-discovered power to change genetic structure.
由于腹泻和皮肤毒性限制了此类药物的应用，研究人员期望发现ABCG2基因特异性的突变从而能够阻断ABCG2蛋白的功能。
Since diarrhea and skin toxicity limit the use of this drug in some patients, the researchers looked for a specific variation in the ABCG2 gene that could disrupt the function of the ABCG2 protein.
在这项研究中，研究者提出了一些证据，认为由RCAN 1基因编码的蛋白能减慢肿瘤生长所需要的血管的无限制生长。
In the new study, researchers provide evidence that the protein encoded by the RCAN1 gene REINS in the rampant blood vessel growth that a tumor needs to thrive.
对胞壁质酶R2基因进行了限制酶切图谱分析。
The restriction map of R2 gene was construed for further use.
结果显示不论DNA甲基化与否，所有使用受体细胞限制性内切酶的基因组移植都获得成功。
When genome transplantations were performed using the restriction enzyme minus recipient cells, all the genome transplantations worked regardless of if the DNA was methylated or not.
RNA病毒的聚合酶基因总体上和宿主密码子使用类型不一致，限制了聚合酶基因的及早和过高表达，但其密码子使用频率对聚合酶的限制是适中的。
RNA polymerase in RNA virus is different from host cells restrict it's high and early expression. The restrict is moderate compared with other virus genes.
相反，它撤销了对于转基因食品的限制，裁定转基因食品与它们对应的非转基因食品“实质等同”因而不需要任何特殊的安全试验。
Instead, it de-regulated GM foods, ruling that they are substantially equivalent to their non-GM counterparts and do not require any special safety testing.
由于形态学、细胞学、同工酶、RFLP等标记技术在大麦基因组中的多态性较低，限制了其应用。
Its applications were limited for the low polymorphism in the gene group of barley using the labeling technique of morphology, cytology, isoenzyme and RFLP.
由于形态学、细胞学、同工酶、RFLP等标记技术在大麦基因组中的多态性较低，限制了其应用。
Its applications were limited for the low polymorphism in the gene group of barley using the labeling technique of morphology, cytology, isoenzyme and RFLP.
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