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centromere
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  着丝粒
     In lines T1BL·7Lr#1S and T6AL·7Lr#1S,the breakpoint of chromosome 7Lr#1 was located in the short arm between the area marked by clone MWG808 and that of ABG476.1, and the breakpoints of chromosomes 1B and 6A were both located near the centromere.
     其中 ,易位系T1BL·7Lr #1S和T6AL·7Lr #1S中染色体 7Lr #1的断裂点位于标记MWG80 8和标记ABG476.1之间 ,而 1B和 6A染色体上的断裂点都在着丝粒附近。
短句来源
     Nine homologous genes (HOXD1,-D3,-D4,-D8,-D9,-D10,-D11,-D12, -D13) of HoxD complex locate on chromosome 2 in the order o f HOXD1 to HOXD13,among which HOXD13 is closest to the centromere.
     HOXD基因簇中的 9个同源基因 (HOXD1, D3, D4 , D8, D9, D10 , D11, D12 , D13)根据其距着丝粒的远近 ,按由远到近的顺序在染色体上依次排列。
短句来源
     The percent distances of UMC84 and UMC30 from centromere on the chromosome 8 were (38.26±1.97)% and (37.92±3.48)% respectively and on the chromosome 6 were (33.58±3.28)% and (34.96±2.13)% respectively.
     UMC84和UMC30在第8号染色体长臂上杂交信号与着丝粒的百分距离分别为38.26±1.97和37.92±3.48。 在第6号染色体长臂上杂交信号与着丝粒的百分距离分别为33.58±3.28和34.96±2.13。
短句来源
     7)All the centromeres of chromosomes were darkly stained C-bands,and the whole arm of chromosome t 24 and its centromere were same positive C-bands.
     (7)点带石斑鱼所有染色体着丝粒为阳性C带,而且第24对染色体几乎整个染色体臂都呈C带阳性,着色强度与该对染色体上的着丝粒C带相同。
短句来源
     5.Through linkage analysis of polymorphic SSR markers of chromosome 11 with la gene, which is recessive, two SSR markers ( RM536 and RM209) were found to have 10 cM and 5.9 cM with la, respectively, which is near the centromere.
     5.利用SSR分子标记对la基因初步定位结果表明:la基因位于水稻第11号染色体的着丝粒附近,距离SSR分子标记RM536是10cM,距离RM209为5.9cM。
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  着丝点
     A Linkage Map of Genes Ms2, Rht10 and Centromere on the Chromosome 4D of Common Wheat
     在小麦4D染色体上基因Ms2、Rht10和着丝点的连锁图
短句来源
     The deficiency of N-banded heterochromatin occurred near the centromere of chromosome 3A,the telomeres of chromosomes 1G,2G,3G and 5G,and both the centromeres and telomeres of chromosomes 1A,2A,5A,6A and 7A,respectively.
     在C-带和N-带连续处理中,N-带异染色质的消失部位在1G、2G、3G和5G染色体的端部,3A染色体的着丝点附近以及染色体1A、2A、5A、6A和7A的着丝点附近及端部。
短句来源
     Another major band of this clone MWG2074A was 0.8cM away from brh1 toward centromere.
     2 0 74A在靠近着丝点一侧 ,与brh1相距 0 .8cM。
短句来源
     Recombination was observed at the 7 polymorphic loci and the recombination rates between microsatellite locus and centromere were 42.6%~100%,respectively.
     在具多态性的7个基因座位上均发生了基因-着丝点之间的重组,重组率在42.6%~100%之间。
短句来源
     The fluorescence pattern of ANA included nuclear envelope staining 42 patients((45.65%)),centromere antibody(ACA) in 18 patients((19.57%)),speckled 16 patients((17.39%)),and nuclear dot staining 12 patients((13.04%)).
     其荧光模式分别为核膜型42例(45.65%),着丝点型18例(19.57%),核浆颗粒16例(17.39%)和核点型12例(13.02%);
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  “centromere”译为未确定词的双语例句
     The Kitl~(-1Bao) mutation gene was located on chromosome 10 between D10Mit70 and D10Mit68 about 56.8cM from the centromere as the LODS between Kitl~(-1Bao) and those two microsatellites were 27.37 and 21.20 respectively.
     Kitl-1Bao与微卫星D10Mit70、D10Mit68之间的LOD值分别为27.37、21.20,从而把该突变基因定位于第10号染色体上D10Mit70与D10Mit68之间。
短句来源
     The segregation distorted regions were detected between molecular markers ST8 and ST8-2 near the centromere of chromosome 8, and ST7-1 and ST7-3 near telomere of chromosome 7, respectively.
     偏分离因子与类病斑LMI和矮杆基因D6紧密连锁,分别位于第8染色体分子标记ST8和ST8-2之间以及第7染色体分子标记ST7-1和ST7-3之间。
短句来源
     Many lines of evidences show that Aurora B is associated with other two passenger proteins, Survivin and INCENP (inner centromere protein).
     许多证据表明Aurora B和另外两个染色体伴随蛋白结合,它们是Survivin和INCENP (inner centromere protein)。
短句来源
     officinalis and O. glaberrima. The percentage distances from the centromere to hybridization sites were 37.03±4.11 and 81.22±3.62,the detection rates were 41.18% and 38.22% in O.
     两个BAC克隆均被定位于非洲栽培稻和药用野生稻第4染色体的短臂上,杂交信号的百分距离分别为37.03±4.11和81.22±3.62,相应的信号检出率为41.18%和38.22%。
短句来源
     Result Fifty four paired HCC samples were analysed with 16 polymorphic markers on chromosome 17p13.3. The data revealed that the region between D17S5 and D17S34 had a high rate of LOH (>63%), but three markers (proximal to D17S5) toward centromere had low or no LOH.
     结果 检测了 5 4份原发性肝癌样品在染色体 17p13.3区 16个位点标志和染色体 17p13.1区的p5 3基因的TP5 3位点标志的LOH情况 ,发现从D17S5位点至D17S34位点间的各个标志都有较高LOH ,频率 >6 3%。
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  centromere
The results were validated by using fluorescent in situ hybridization (FISH) analysis with centromere-specific DNA probes.
      
Computer-aided analysis of the amplified in TAIL-RCR DNA region adjacent to the left border of the insertion revealed a putative site of T-DNA insertion, the 2.5-kb At2g09920 gene located in the long arm of chromosome 2, near the centromere.
      
If the mating-type locus is linked to the centromere, the genome regions adjoining the centromeres of all chromosomes remain heterozygous.
      
Genetic regulation of the centromere division in rye and wheat univalent chromosomes in dimonosomics during the meiotic anaphase
      
The data obtained demonstrate that the rye and wheat chromosomes studied are involved in genetic regulation of centromere division in meiotic anaphase I (AI).
      
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1.The pressent report consists of the karyotype analysis of cultured Amphibian somatic cells in vitro and the comparison of different cells from various tissues with regard to their karyotypes.2.The chromosomes of the cells from the tongue,kidney and lung tissues of the common toad (Bufo bufo gargarizans) were studied.They were found to possess the diploid chromosome number of 22 (2n = 22),i.e.12 large and 10 small chromosomes.The large chromosomes were matched into 6 homologous pairs and the small chromosomes...

1.The pressent report consists of the karyotype analysis of cultured Amphibian somatic cells in vitro and the comparison of different cells from various tissues with regard to their karyotypes.2.The chromosomes of the cells from the tongue,kidney and lung tissues of the common toad (Bufo bufo gargarizans) were studied.They were found to possess the diploid chromosome number of 22 (2n = 22),i.e.12 large and 10 small chromosomes.The large chromosomes were matched into 6 homologous pairs and the small chromosomes were matched into 5 homologous pairs.All of them were metacentric and submetacentric.According to the size,shape and position of the centromere,22 chromosomes were tentatively classified into 4 groups:Group 1-2,Group 3-6,Group 7-10 and Group 11.The chromosome pair 6 can be identified unequivocally by direct observation for the small satellites on the long arms.Sexual dimorphism of the chromosomes was not detected in somatic karyotype of male and female common toad.3.From the phenomenon of satellite association and the other behavior,it was concluded that the No.6 chromosome is the nueleolus organizer in the common toad cells.4.Similar studies were made on the karyotype of the cells from tongue and kidney of the frog (Rana plancyi).They were found to possess the diploid chromosome-number of 26 (2n = 26),i.e.10 large and 16 small chromosomes.The large chromosomes were matched into 5 homologus pairs and small chromosomes were matched into 8 homologus pairs.All of them were metacentric,submetaeentric and sub-telocentric.According to the size,shape and the position of the centromere,26 chromosomes were tentatively classified into 3 groups:Group 1,Group 2-5 and Group 6-13.The chromosome pair 9 can be identified unequivocally by direct observation for the secondary constriction on the long arms.Sexual dimorphism of the chromosomes was not detected in somatic karyotype of male and female frog.5.The karyotype of tongue cells and kidney cells were indistingishable from each other in quantitative characteristics,e.g.the relative length of each chromosome and the arm ratio (long arm/short arm).From the above investigation,it was concluded that the differentiation of the tissues cells was not reflected in the chromosomal morphology neither in the common toad nor in the frog.

本文报道离体培养的两栖类体细胞的染色体组型及不同组织细胞的染色体组型的比较分析结果。对于中华大蟾蜍(Bufo btfo gargarizans)离体培养舌细胞、肾细胞与肺细胞的染色体组型分析表明,其二倍体染色体数目为22个(2n=22),包括12个大型染色体,10个小型染色体。全部染色体可配成11对,均为中部和亚中部着丝点染色体。根据染色体的特征,可分为四组:即1—2组、3—6组、7—10组及11组。在第6染色体的长臂上发现随体。雌雄个体之间,并末发现与性别决定有关的异型染色体之存在。根据中华大蟾蜍第6染色体之间在随体和次缢痕部位的联合现象及其他有关现象,作者认为第6染色体是核仁组织者。对于金线蛙(Rana plancyi)离体培养舌细胞与肾细胞染色体组型的分析表明,其二倍体数目为26个(2n=26),包括10个大型染色体和16个小型染色体。全部染色体可配成13对,其着丝点为中部、亚中部和亚端部,根据染色体的特征,可分为三组:即1组、2—5组和6—13组。在第9染色体的长臂上发现次缢痕。雌雄个体之间,并未发现与性别决定有关的异型染色体之存在。离体培养的体细胞(舌细胞与肾细胞)染色体的相对长度与臂比指数的测量统...

本文报道离体培养的两栖类体细胞的染色体组型及不同组织细胞的染色体组型的比较分析结果。对于中华大蟾蜍(Bufo btfo gargarizans)离体培养舌细胞、肾细胞与肺细胞的染色体组型分析表明,其二倍体染色体数目为22个(2n=22),包括12个大型染色体,10个小型染色体。全部染色体可配成11对,均为中部和亚中部着丝点染色体。根据染色体的特征,可分为四组:即1—2组、3—6组、7—10组及11组。在第6染色体的长臂上发现随体。雌雄个体之间,并末发现与性别决定有关的异型染色体之存在。根据中华大蟾蜍第6染色体之间在随体和次缢痕部位的联合现象及其他有关现象,作者认为第6染色体是核仁组织者。对于金线蛙(Rana plancyi)离体培养舌细胞与肾细胞染色体组型的分析表明,其二倍体数目为26个(2n=26),包括10个大型染色体和16个小型染色体。全部染色体可配成13对,其着丝点为中部、亚中部和亚端部,根据染色体的特征,可分为三组:即1组、2—5组和6—13组。在第9染色体的长臂上发现次缢痕。雌雄个体之间,并未发现与性别决定有关的异型染色体之存在。离体培养的体细胞(舌细胞与肾细胞)染色体的相对长度与臂比指数的测量统计值的比较分析表明,同一个体的不同组织的细胞之间,无论是中华大蟾蜍还是金线蛙,均无显著差异。因此,可以认为

In this study,the karyotype and Giemsa banding pattern of the chromosomes of cultured peripheral blood lymphocytes in R.r.roxellanae were investigated.The chromosome number of this species is 44 in both sexes.In R.r.raxellanae,as in other monkeys,sex is determined by specific sex chromosomes,i.e.the male is XY and the female is XX.The 21 pairs of autosomes consist of 7 pairs of metacentric chromosomes,13 pairs of submetacentric ones,1 pair of acrocentric ones.Chromosome measurements were made from highly enlarged...

In this study,the karyotype and Giemsa banding pattern of the chromosomes of cultured peripheral blood lymphocytes in R.r.roxellanae were investigated.The chromosome number of this species is 44 in both sexes.In R.r.raxellanae,as in other monkeys,sex is determined by specific sex chromosomes,i.e.the male is XY and the female is XX.The 21 pairs of autosomes consist of 7 pairs of metacentric chromosomes,13 pairs of submetacentric ones,1 pair of acrocentric ones.Chromosome measurements were made from highly enlarged photographic prints.Table II lists the results obtained including the relative length,arm ratio and centromere index of each chromosome.Both chromosomal and the chromatid aberrations were observed.They were 0.67% and 2%,respectively.Finally,Giemsa banding pattern analysis of chromosomes of R.r.roxellanae were carried out.The results show that each homologous pair has its own special banding pattern,so that each of them is easily recognizable.Idiograms of chromosome complements with the Giemsa banding pattern were constructed.

本研究通过外周血淋巴细胞培养的方法,对二只金丝猴的染色体组型和染色体带型进行了分析。现已确证,金丝猴的2倍体细胞的染色体数目为2n=44。雄性为XY,雌性为XX。在染色体组型分析中,测量和计算了每一染色体的相对长度,臂比和着丝点指数。染色体和染色单体的“自发”畸变率分别为0.67%和2%。从姬姆萨(Giemsa)氏带型分析表明,每一对同源染色体都有自己的特殊带型,因此所有的染色体都能予以识别,并能准确无误的配对。

Analysis of the karyotypes of Ctenopharyngodon idellus and Megalobrama amblycephala through the chromosome preparations from suspended embryo cells by air-drying technique were accomplished, and the comparison between them were carried out. The chromosomes were identified morphologically and separated into three groups by the centromere index: Those having the index of 1.00-0.60 were identified as metacentric chromosomes and referred to the group A; Those having the index of 0.60-0.33 were identified as...

Analysis of the karyotypes of Ctenopharyngodon idellus and Megalobrama amblycephala through the chromosome preparations from suspended embryo cells by air-drying technique were accomplished, and the comparison between them were carried out. The chromosomes were identified morphologically and separated into three groups by the centromere index: Those having the index of 1.00-0.60 were identified as metacentric chromosomes and referred to the group A; Those having the index of 0.60-0.33 were identified as submetacentric chromosomes and referred to the group B; Those having the index of 0.33-0.14 were identified as subtelocentric chromosomes and referred to the group C; Those having the index of 0.14-0.00 were identified as telocentric chromosomes and also referred to the group C. The results from the analysis and the comparison indicated that: C. idellus had the diploid chromosome number of 48 comprising 9 pairs of metacelric chromosomes (group A), 11 pairs of submetacentric chromosomes (group B) and 4 pairs of acroeentric chromosomes (group C), and none of secondary constriction was found in those chromosomes. M. amblycephala also showed the chromosome number 2n = 48 but the chromosome num-bers of group A, B, C were 10, 12 and 2 pairs respectively, and among them there were two pairs of chromosomes showing secondary constriction. Besides, there were some other differences between the karyotypes of C. idellus and M. amblycephala. For instance, in C. idellus the longest three cf chromosomes were referred to the group, C1, B1 and A1 respectively, but in M. amblycephala the longest paris of chromosomes were referred to the group B1, A1 and A2 respectively. In general, the differences between the karyotypes of C. idellus and M. amblycephala are significant.

应用胚胎细胞制作染色体玻片标本,分析草鱼、团头鲂的染色体组型。草鱼有48条染色体,分A(中部着丝点)、B(近中部着丝点)、C(近端部着丝点)三组,各组分别有9对、11对和4对染色体。团头鲂的染色体也是48条,同样分为三组。各组的数目分别为10对、12对和2对,但A组和C组各有一对带次缢痕的染色体。总的比较起来,草鱼和团头鲂的染色体组型差异较大。

 
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