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- sister chromatid cohesion protein 姊妹染色單體粘著(zhù)蛋白
- To accomplish this, sister chromatids must segregate together during the first meiotic division (meiosis I) , which requires that sister chromatid cohesion persists at centromeres. 實(shí)現減數分裂,姐妹染色體必須在第一次分裂聯(lián)會(huì ),這過(guò)程姐妹染色體在著(zhù)絲粒結合。
- The sister chromatid exchanged (SCE) frequency among infertile men increased in different degrees (P<0.05). 男性不育者的姐妹染色單體交換率有不同程度的增高(P<0.;05)。
- The standard practice is to call the entire structure a chromosome and each of its strands a sister chromatid. 標準的做法是把整個(gè)結構稱(chēng)為一個(gè)染色體,而把它的各條稱(chēng)為姐妹染色單體。
- Study on the impact of trinitrotoluene on sister chromatid exchange of Mocaca mullatta peripheral blood lymphocyte. 三硝基甲苯對恒河猴外周血淋巴細胞姐妹染色單體互換的影響。
- Methods:The sister chromatid exchange (SCE) test in mice spermatogonia was used in the study. 方法:采用小鼠精原細胞姐妹染色單體交換實(shí)驗。
- The standard practice is to call the entire structure a chromosome and each of its strands a sister chromatid . 標準的做法是把整個(gè)結構稱(chēng)為一個(gè)染色體,而把它的各條稱(chēng)為姐妹染色單體。
- Not surprisingly, cohesion is normally established when sister chromatids are synthesized during S phase of the cell division cycle (see the figure). 當然,內聚力通常存在于細胞分裂S期,也就是染色單體形成的時(shí)候。
- To investigate the incidence of sister chromatid exchange ( SCE ) and its influencing factors. 探討影響姐妹染色單體互換(SCE)頻率的因素。
- Objective: To study the changes of sister chromatid exchange(SCE) rate in the mutator cell of tumor cell and mutagenized by drug or teratogen. 目的:了解在腫瘤細胞中、一些藥物、致畸物引起的突變細胞中姐妹染色單體交換(SCE)率的變化。
- And also did the rate of chromosome aberrance(CA),sister chromatid exchange(SCE) and micronuclie cell (MC) of peripheral blood(P>0.05). 接觸組外周血淋巴細胞染色體畸變率(CA)、姐妹染色單體互換率(SCE)、微核率(MC)與對照組比較;差異均無(wú)統計學(xué)意義(P>0.;05)。
- Methods: Sister chromatid exchange(SCE) freqency was determined in human lymphocytes and plant root tip cells after treatments with pesticides. 方法 :測定蠶豆、大麥根尖細胞和人外周血淋巴細胞姐妹染色單體交換 (SCE)率。
- By means of sister chromatid exchange method (SCE),micronucleus test of bone marrow cells, genetic toxicity of Coprinus comatus was evaluated in mice. 應用小鼠骨髓細胞姐妹染色單體交換(SCE)及微核試驗對雞腿蘑進(jìn)行遺傳毒理檢測。
- Methods:Sperm abnormality test, sister chromatid exchange(SCE) test in mouse spermatogonia and unscheduled DNA synthesis(UDS) test in mouse sperms were used. 方法:采用小鼠精子畸形試驗、精原細胞姐妹染色單體互換試驗和小鼠精子非程序DNA合成試驗。
- Purpose and Methods: Single cell gel electrophoresis(SCGE), sister chromatid exchanges(SCE), chromosome aberrations are three methods to determine DNA damage and repair. 目的與方法 :單細胞凝膠電泳技術(shù) (SCGE)、姐妹染色單體交換法 (SCE)和染色體畸變分析法均能被用來(lái)檢測DNA的損傷或修復。
- BCHI-1 hnd elevated sister chromatid exchange (16.88 time/per cell),the chromosome abnormal rate was 4. 5%, micro nuclei rate was 25%o at normal condition. 該細胞株表現為姐妹染色單體交換增高(16.;88個(gè)/細胞);染色體畸變?yōu)?
- It is involved in processes such as homologous chromosome pairing, sister chromatid adhesion and separation, and some of the regulation initiated during anaphase. 在細胞有絲分裂和減數分裂中, 著(zhù)絲粒作為保證染色體正常分裂并分離到子細胞的結構和功能元件, 參與了同源染色體配對、姐妹染色單體黏合、分離及分裂后期啟動(dòng)的調控等。
- Methods: Phenol-sulfuric acid method was used for the determination of the content of polysaccharide, the mouse bone marrow chromosome test and the sister chromatid exchange text. 方法:水提醇沉法提取五味子多糖,0.;1%25活性碳脫色,苯酚-硫酸法測定多糖含量,進(jìn)行小鼠姐妹染色單體交換及染色體畸變實(shí)驗。
- Methods: The sister chromatid exchanges(SCE) frequency were counted in the sample of 33 patients with SCE different stain method, in the same time, we detected 30 normal controls. 方法:采用外周血淋巴細胞姐妹染色單體差別染色法檢測技術(shù),觀(guān)察了33例海洛因成癮者的姐妹染色單體交換(SCE)頻率,同時(shí)檢測30名健康者進(jìn)行對照。