Thus, copper acetic acid had systematical teratogenic effects on Vicia faba root tip cells.
因此,乙酸铜对蚕豆根尖细胞具有明显的致畸效应。
The function of root tip is related to transport, unloading and distribution of auxin in roots.
根尖功能与生长素运输、根尖的卸载及根中的分布有密切关系。
Methods:Sister-chromatid exchange (SCE) was used in human lymphocytes and plant root tip cells.
方法:人外周血淋巴细胞和植物根尖细胞SCE。
The primary meristem of the root tip may be extended a section of distance below the elongation region.
根尖的初生分生组织可扩大到伸长区下方一段距离。
BACKGROUND and AIM: We studied the mutation effects of sodium sulfite and sodium nitrite in root tip cells of Vicia faba.
背景与目的:研究亚硫酸钠和亚硝酸钠对蚕豆根尖细胞的致突变作用。
Uitrastructural changes of nuclei during the development of onion (A. cepa L. ) root tip cells have been observed by TEM.
用透射电镜观察了洋葱根尖细胞核在发育过程中的变化。
The genetic toxicity and pollution effects of potassium chlorate on Vicia faba root tip cells were studied by means of VAMCN.
利用蚕豆根尖微核技术研究了氯酸钾细胞遗传毒性和污染效应。
The chromosome Numbers of 5 species were counted by root tip squash method, and karyotypes of 3 species of them were analyzed.
本文采取常规根尖压片法对5种干旱区野生观赏植物进行了染色体数目统计,并对其中的3种进行了核型分析。
Aim: to study the effects of cordyceps polysaccharide on micronucleus of Vicia faba root tip cells caused by mitomycin-c (MMC).
目的:研究虫草多糖对丝裂霉素诱发的蚕豆根尖细胞微核的影响。
It is easy to induce callus derived from hypocotyls and cotyledons, but callus derived from root tip was rather difficult to be done.
愈伤组织的诱导与再分化的研究显示:“种都一号”儿菜下胚轴与子叶愈伤组织诱导较容易,但根尖很难愈伤化。
The results of GUS staining showed that NPC2 expressed mainly in meristematic zone, elongation zone and vascular tissue of maturation zone of root tip;
GUS染色显示NPC2在根中主要是在根尖分生区和伸长区表达,在成熟区主要是在维管组织中表达;
ConclusionTRI AUTO Zx root canal apex locator is not a reliable tool for detection of the working length of root canal in the aged with lesion on root tip.
结论根管测量仪不能作为确定老年人有根尖病变根管工作长度的最终手段。
This paper reports the results of water pollutional detection of Kuihe River in Xuzhou city using micronucleus test technique of vicia faba root tip cells.
使用蚕豆根尖细胞微核技术监测奎河徐州市区段水质污染状况。
Al induced peanut root tip mitochondria generating reactive oxygen species (ROS), resulting in lipid peroxidation, it was more serious in R1549 than in LH11.
铝能诱导花生根尖线粒体产生活性氧,导致膜脂过氧化,R 1549较LH11严重。
Effects on mitosis and chromosomal aberrations of tobacco root tip cells were observed by the method of artificially inducing para-nodule treated with 2, 4-d and rhizobium.
通过人工诱导烟草结瘤的方法,观察给予2,4 - D、根瘤菌后,其对烟草根尖细胞有丝分裂和染色体畸变的影响。
The chromosomes in root tip cells of Trifoliate orange(Poncirus trifoliata Raf. )and Ichang papeda(Citrus ichangensis Swingle)were observed by enzymic maceration technique.
用酶解法观察了枳和宜昌橙根尖细胞的染色体。
Object: To approach the reliability of high-frequency current acting upon the devitalization of dental pulp, the safety and clinical effect for peripheral tissues of root tip.
目的:探讨高频电流对牙髓失活作用的可靠性、对根尖周围组织的安全性及临床疗效。
The technique used is micronucleus in root tip cells of Vicia faba . The experiment statistical result shows that both the rare earth compound fertilizer and the three kinds of…
结果表明,稀土复合肥和三种稀土元素均可诱发微核效应,在一定浓度下可损伤细胞,影响根尖的正常生长,其中稀土复合肥的微核效应表现出明显的剂量-效应关系。
With different concentrations of sewage and aluminum sulfate as a mutagen, pea root tip cells in the mitotic index, micro-rate and the rate of chromosomal aberrations are determined.
以不同浓度的污水和硫酸铝作为诱变剂,测定豌豆根尖细胞的有丝分裂指数、微核率和染色体畸变率。
Abstract: Objective: to explore the influence on micro leakage from root tip and tooth root's bending strength by different combinations of root canal preparation and filling technology.
摘要【摘要】目的探讨几种根管预备方法和充填技术组合对根尖微渗漏和牙根抗折强度的影响。
The kinetic pattern of activity of the first cell cycle showed that these cells were not activated synchronously, but re_entered the cell cycle in turn depending on their places in the root tip.
第一个细胞周期的激活样式表明,这些细胞并不同步激活,而是依次进入细胞周期,且进入的次序与自身在根尖中的相对位置有关。
Effects of 1, 2, 4-trichlorobenzene (TCB) stress on seedling growth, cell division and chromosomal aberration frequency of root-tip cells of Vicia faba were studied.
研究了1,2,4三氯苯(TCB)对蚕豆幼苗生长、根尖细胞分裂及染色体畸变的影响。
Effect of herbal medicines such as Radix Astragali on mutagenic micronucleus rate in Vicia Faba root-tip cells was observed for the selection of anti-tumor and anti-mutagenesis herbal medicines.
观察黄芪等中草药对蚕豆根尖细胞诱变微核率的影响,筛选具有抗肿瘤、抗诱变作用的中药。
The molecular mechanism for chromosomal aberration and micronuclei induced by holmium ions was most probably DNA breakage to root-tip cells of vicia faba.
钬离子诱导蚕豆根尖细胞染色体畸变和微核产生的分子机制主要为DNA断裂作用。
It suggests that RE-MECF may damage DNA in root -tip cells of maize in some degree.
实验结果表明:RE - MECF对玉米根尖细胞DNA具有一定的损伤作用。
It was demonstrated that the cell cycle indexes were decreased as long as the concentrations of SNP were increased after collecting the cell division phase of the primary root-tip cells;
对SNP处理的水稻初生根根尖细胞进行细胞分裂相统计,结果表明:随SNP浓度的增大,细胞分裂指数呈下降趋势;
It was demonstrated that the cell cycle indexes were decreased as long as the concentrations of SNP were increased after collecting the cell division phase of the primary root-tip cells;
对SNP处理的水稻初生根根尖细胞进行细胞分裂相统计,结果表明:随SNP浓度的增大,细胞分裂指数呈下降趋势;
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