查询词典 micronucleus

To investigate the genotoxicity of CpG ODN by micronucleus test.

利用微核试验研究CpGODN的遗传毒性。

Misdivision of translocation chromosome at anaphase Ⅰ and rye chromatin micronucleus at tetrad stage were observed.

在遗4212×遗4095的F2代中检测到一个具有中间偃麦草染色体小片段易位到小麦染色体端粒部分的小麦-中间偃麦草易位植株。

In the conjugation pair, the normal cell can finish the normal meiosis process, the gametic nuclei fused, the zygotic nucleus divided and at last formed two cells with micronucleus.

对上海四膜虫有小核细胞和无小核细胞的接合过程进行了跟踪观察，发现在四膜虫中也存在胞质配合。

Ames test, micronucleus test of bone marrow cell as well as chromosome aberration test in mice were used to detect the genetic toxicity and the high blood lipids rat model was established with high fatty diet to observe the effects of perilla seed oil on regulating the lever of blood lipids.

不同剂量紫苏油对高脂模型大鼠的调节血脂作用试验，研究紫苏油的调节血脂作用。

Results Frequency of micronucleus in human blood lymphocytes increased significantly by treatment with yttrium chloride and praseodymium chloride, and it increased with the concentration of the both agents, to a certain range.

结果 钇和镨能够引起人血淋巴细胞微核率显著升高，在一定范围内，微核率随氯化钇、氯化镨处理浓度的增大而提高。

RESULTS: The aqueous extract of Pulsatilla Chinensis Regel reduced the micronucleus rate of bone marrow PCE cell in mice,and increased SOD activity and T-AOC in mice serum.

结果： 白头翁水提物能显著降低环磷酰胺所诱发的微核率、提高小鼠血清超氧化物歧化酶活性、增强总抗氧化能力，与阳性对照组比较，差异均具有统计学意义(P.05)。

Puna Chicory, leymus multicaulis and Psathyrostachysjuncea.For the materials used in this article were some old seeds which had been stored for 3-7 years, we found a lot of abnormal mitotic and meiotic cells, such as chromosome bridge. chromosome laggard, micronucleus, multipolar division and so on. Moreover, we also found the wheat"s multi-anther, double germinate-hole"s microspore and collected the photos of every period of meiosis. mitosis.

因为用于细胞学检测的小麦材料是搁置多年的陈旧种子，所以在检测染色体数目时，发现大量异常分裂现象，包括染色体桥、染色体落后、微核、多极分裂等；实验过程中还发现小麦多花药现象和花粉粒具双萌发孔的现象；同时在显微观察同时还注意搜集了细胞有丝分裂、减数分裂各个时期的分裂相图片。

Results showed that the PMC meiosis of autotetraploid was similar to the diploid except some particularities. In metaphase Ⅰ, multivalent, quadrivalent, trivalent, bivalent and univalent were observed and some of the chromosomes were found not to rank on the metaphase plate and so did in metaphase Ⅱ cells. In anaphase Ⅰ and anaphase Ⅱ cells, there were lagging chromosomes, chromosome bridge and fragment. During anaphase Ⅱ and telophase Ⅱ, chromosome segregation was not synchronous or equal. At tetrad stage, dyad, triad, tetrad with micronucleus and polyad appeared.

结果表明，同源四倍体花粉母细胞减数分裂过程与二倍体相比，中期Ⅰ染色体构型复杂，有多价体、四价体、三价体、二价体和单价体；中期Ⅰ及中期Ⅱ有部分染色体没有排列在赤道板上；后期Ⅰ及后期Ⅱ出现落后染色体、染色体桥及断片；后期Ⅱ和末期Ⅱ有染色体不同步分离及不等分裂的现象；四分体时期还出现二分体、三分体、含微核的异常四分体及多分体。

The micronucleus rate of erythrocytes increased firstly and then decreased with the rising of sodium selenate or sodium selenite mass concentration.

采用静态水质接触染毒法，研究硒酸钠和亚硒酸钠对黑斑蛙蝌蚪红细胞微核及核异常的影响。

F1 hybrid has the morphological feature which is between the male and female parents and shoed strong heterosis, exuberant vitality, late ripe period and low rate of self-fertility. The average chromosome configuration of F1 in PMC MI was 18.58Ⅰ+18.59Ⅱ+0.085Ⅲ+0.028Ⅳ. At anphase Ⅰ in PMC, some laggard chromosomes arranged in equatorial plate. Micronucleus and a lot of abnormal cells can be observed at dyad, tetrad and microspore.

杂种F1形态特征介于双亲之间，具有较强的杂种优势，生长旺盛，熟期晚，自交结实率较低。F1花粉母细胞减数分裂中期Ⅰ平均染色体构型为18.58Ⅰ+18.59Ⅱ+0.085Ⅲ+0.028Ⅳ，PMC后期Ⅰ观察到部分落后染色体排列在赤道板上；二分体、四分体和小孢子时期，细胞内普遍观察到微核，且出现大量异形细胞。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。