Objective To determine the toxicity and mutagenic effect of trichloroacetaldehyde.

了三氯乙醛的毒和致突作用。

Mild mutations in XPF cause the cancer-prone syndrome xeroderma pigmentosum.

XPF轻微突导致致癌倾向综合征着色干皮病。

Gene mutations are alterations in the DNA code.

基因突是指DNA 密码的改。

Catastrophe theory has become a useful tool in studying incontinuous phenomena since it was established.

摘要突理论自问世以来已成为研究现实世界中一些不连续现象的有力工具。

In contrast to simplistic expectations, the total amount of protofibrils and the amount of permeabilizing activity per mole protein in the protofibril fraction were reduced by the E46K mutation.

与过分简单化的期望相反，E46K突减少了原纤维的总数和有孔道样结构的原纤维数。

The combination of rising inflation and slowing growth may bear a worrying resemblance to the stagflationary 1970s, but there has been a sea-change in advanced economies since then.

上扬的通胀和放缓的经济增长结合在一起，可能带来类似70年代的令人担忧的滞胀，但是自那以后发达经济体有了彻底的突。

Sandhoff results from a genetic mutation that reduces the body's supply of an enzyme, called hexosaminidase ("hex"), used by brain cells to metabolize excess fatty material called lipids.

由基因突导致的山德霍夫氏病会减少体内的一种叫做己糖胺酶的供应，而脑细胞用它来代谢过多的脂质。

A mutant, TS-N-121 was obtained by mutation and plate screening from a parent strain Mycobacterium fortuitum MF2 , which could transform sterol into androstanedione as the main product.

从雄甾二酮的转化产生菌偶发分枝杆菌MF2出发,经紫外诱结合平板筛选,获得一株主要转化生产睾酮的突株TS-N-121。

Purpose and Methods: In order to characterize the antimutagenic effect of seaweed polysaccharides(SP), the mouse bone marrow micronucleus test and mouse sperm malformation test were conducted.

本文选用小鼠骨髓嗜多染红细胞微核试验和小鼠精子畸形试验,对海藻多糖的抗突作用进行研究。

CONCLUSION: Base pair substitution mutation and frame shift mutation were caused by folpet in Ames test.And DNA breakage in human PMNC might be induced by folpet.

灭菌丹可引起鼠伤寒沙门氏菌碱基置换和移码突，并可能损伤人外周血淋巴细胞DNA的完整。

Recent studies indicate an increased frequency of mutations in the gene encoding glucocerebrosidase (GBA), a deficiency of which causes Gaucher's disease, among patients with Parkinson's disease.

的研究表明，在帕金森患者的脑苷脂（GBA）基因编码中突频率增加。脑苷脂的缺乏可导致高歇氏病。

Allelotype analysis was done at five short tandem repeat markers (D17S855, D17S1322, D17S1323, D17S1326, and D17S1327) in or adjacent to BRCA1 on the recurrent mutation carriers.

对发现携带有相同突的个体选取5个与BRCA1基因连锁的标记（D17S855、D17S1322、D17S1323、D17S1326和D17S1327）进行单倍型分析。

In the paper, the comentropy theory is extended and applied to analyze the structural characteristics and law in the process of evolution of hydrologic cycle.

该文拓展了水文循环演化过程中摘理念，并在水文结构特征和规律分析中应用，发现判别其突或灾的阈值指标，为预测水文循环演化趋势提供了新思维。

The mutation potential of ethephon was by investigated the micronucleus test of bone marrow polychromatophilic erythroblasts (PCE) cells and sperm shape abnormality test in mice.

摘要为测定乙烯利对人体健康的影响，采用小鼠骨髓细胞微核试验和小鼠精子畸形试验分别检测了乙烯利对小鼠体细胞和生殖细胞的致突。

In this paper, we studied the screening me hod, procedure and results of rice somatic mutants with resistance to Pyricularia oryzae Cay. using phytotoxin.

摘要 本文研究报道了抗稻瘟病细胞突体筛选方法、程序与结果，并对有关问题进行了讨论。

An antibiotic-resistant strain of staph bacteria began its globetrotting adventures in Europe and can mutate quickly as it spreads, a new study suggests.

一项新的研究表明，一种具有抗生素抗的葡萄球菌从欧洲开始了它的环球冒险，并在传播过程中迅速突。

Results Of the 23 mutations, 22 were detected by heteroduplex analysis (96%), 20 by SSCP analysis (87%) and 23 by heteroduplex-SSCP analysis (100%).

结果23个杂合子突中ˇ异源双链法、SSCP法与异源双链-SSCP法检出突分别为22个(96%)、20个(87%)和23个(100%)。

It is a more important effect that the electromagnetic pollution may accelerate germ plasm aberrance.It leads to the confusion of biothythm and illness.

更重要的是可能诱发生物基因的突，导致生物生长节律的混乱和各种恶疾及新生疾病的产生。

At least some of the mutations responsible for this loss of vision differed between the 29 populations of cavefish known to exist.

目前现存的29种洞穴鱼，其眼盲亦与这些突有关，但是其基因突的位置并不相同。

Oculocutaneous albinism(OCA) is a group of autosomal recessive disorders of melanin synthesis,which is characterized by congenital hypopigmentation of skin,hair and eyes.

眼皮肤白化病是由于黑色素合成相关基因突导致眼、皮肤、毛发黑色素沉着减少或缺乏引起的一类常染色体隐形遗传疾病的总称。