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A sandwich ELISA was established taking the antiserum as the primary antibody. The sensitivity of the ELISA was 0.412 ng GH/ml of sample. Inter-assay and intro-assay coefficients of variation were 2. 58%(n=6) and 5. 69%(n=6) respectively. Serial dilutions of serum and pituitary homogenate from orange-spotted grouper yielded dose response curves that were parallel to the standard curve. And the GH of Acanthopagrus butcheri was also parallel to the standard curve. Prolactin of goldfish and recombinant growth hormone of common carp showed no cross-reactivity with the antiserum of orange-spotted grouper GH. It showed that the established RIA was specific and sensitive.

以斜带石斑鱼重组GH抗血清为第一抗体,羊抗兔抗体为第二抗体建立了双抗体夹心酶联免疫测定法,该系统的灵敏度为0.412ng GH/ml(n=6),组内变异系数为2.58%(n=6),组间变异系数为5.69%(n=6),斜带石斑鱼血清和脑垂体稀释液曲线与斜带石斑鱼重组GH蛋白的标准曲线相平行、黑棘鲷GH的系列稀释曲线与标准曲线相平行,金鱼催乳素、重组鲤鱼GH的系列稀释曲线与标准曲线不平行,表明建立的斜带石斑鱼GH ELISA具有良好的特异性和重复性,灵敏度达到了测试血清样品中GH的水平。

In contrast, DBA/2 mice from re-infected with PbANKA showed the high level of parasitemia and the same as that of primary infection; the level of IFN-γ in spleen cell super natants significantly increased on day 4 pi compared with control group (P.01); however, the level of specific IgG in serum didn't obviously elevated (P.01), and all mice died.

相比,PbANKA再感染小鼠出现高水平的原虫血症,与其初次感染水平柯近,再感染后第4d脾细胞培养上清中IFN-γ水平出现明显升高(P.01),而血清中特异性的IgG抗体水平却无明显变化,与正常小鼠水平接近,小鼠全部死亡。

Sera from 90 cattle with bovine paratuberculosis and 100 cattle without bovine paratuberculosiswere tested.

通过对90份牛副结核病血清和100份无副结核病牛血清的检测结果表明,ELISA方法的敏感性为84.44%(76/90),特异性为97%(97/100)。

In this experiment, we screen the major protective antigen gene-SOD gene of M. paratuberculosisin order to study the sensitive, specific diagnostic reagent and prophylaxis preparation, especially theDNA vaccine. The SOD gene was amplified from Mycobacterium paratuberculosis C-2 chromosomalDNA by using the PCR technique and cloned into pMD18-T Vector System. We gained a SOD gene of624bp.The recombinant clone was identified byα-complementarity, enzyme digestion and PCRidentification. The result indicated that the recombinant plasmid pMD18-T-SOD was successfullyconstructed. Moreover, through sequential determination and DNASTAR analysis between the clonedSOD gene of M. paratuberculosis C-2 and that of the M.paratuberculosis K-10 strain, the sequentialhomogeneity reached 99%, and the amino acid homogeneity reached 99.5%. The preceding analysisindicated that the SOD gene was very conservative in M. paratuberculosis.

为了研制副结核病敏感、特异的诊断试剂和新型、高效的预防制剂,尤其是DNA疫苗,本研究筛选了M.paratuberculosis主要保护性抗原SOD基因,以M.paratuberculosis C-2染色体DNA为模板,以SOD基因的特异性引物进行PCR扩增,获得了624bp的SOD基因,通过T-A克隆技术,将PCR产物克隆至pMD18-T Vector中,以质粒大小、酶切分析、PCR扩增及序列分析鉴定重组克隆,成功地构建出克隆质粒pMD18-T-SOD,序列测定及DNASTAR分析表明,所获得的M.paratuberculosis C-2 SOD基因与Gen Bank中M.paratuberculosis K-10 SOD基因的大小完全一致,两者核苷酸序列的同源性为99%,氨基酸序列的同源性为99.5%,表明该基因在副结核分枝杆菌中是高度保守的。

It also can be used as alternative antigen of newgeneration vaccine.In this experiment,we screen the major protective antigen hsp65 gene of MAP in order to developnew vaccine especially the DNA vaccine for the prevention of paratuberculosis disease.The hsp65 genewas amplified from MAP C-2 chromosomal DNA by using the PCR technique.We gained a hsp65 gene of 1 626bp.Then PCR product was cloned into pGEM-T vector by T-A clone technique and therecombinant clone was identified by plasmid size,enzyme digestion and PCR identification.The cloneplasmid of pGEM-T- hsp65 was successfully constructed.The nucleotide sequence and deduced aminoacid sequence ofclone gene was analyzed by DNASTAR software.The result indicated that the size ofhsp65 gene consist with M.paratuberculosis K-10 strain in GenBank and the sequential homogeneityreached 99.1%,the amino acid homogeneity reached 99.3%.The preceding analysis indicated that thehsp65 gene was very conservative in M.paratuberculosis.

为了研发预防副结核病的新型疫苗尤其是DNA疫苗及相关蛋白功能,本研究选择了MAP的主要保护性抗原Hsp65蛋白,以副结核分枝杆菌C-2株染色体DNA为模板,以hsp65基因的特异性引物进行PCR扩增,获得了1 626bp的hsp65基因,通过T-A克隆技术,将PCR产物克隆至pGEM-T Vector中,以质粒大小、酶切分析、PCR扩增及序列分析鉴定重组克隆,成功地构建出克隆质粒pGEM-T-hsp65,以DNASTAR软件分析了所克隆基因的核苷酸序列和推导的氨基酸序列,结果表明,所获得的hsp65基因与GenBank中MAPK-10株该基因核苷酸大小完全一致,两者核苷酸序列的同源性为99.1%,氨基酸序列的同源性为99.3%,表明该基因在副结核分枝杆菌中高度保守。

Paratyphoid fever A can cause severe kidney damage, with non-specific symptoms at the early stage. The seriousness of the abnormal of urine test can't be ignored as those provides the basis for the early diagnosis. The early use of antibiotic is the key to avoid and lessen the serverity of kidney damage.

甲副可导致严重肾损害,早期症状缺乏特异性,但尿检轻度异常不能忽视,为早期诊断提供依据;早期联合使用非肾毒性抗生素是避免和减轻严重肾损害的关键。

P. denasta harbored the three chlorotypes, two of which were characteristic of its two parental species respectively. The third chlorotype was extensively distributed in seven of the ten P. densata populations analyzed, and might represent a mutation type or have been derived from an extinct parent. Population differentiation of P.

TT和GC分别是油松和云南松种特异性叶绿体单倍型,而在高山松群体里则三种单倍型均有分布,而且TC单倍型广泛地分布在7个杂种群体中,该单倍型很可能来源于点突变或第三个已灭绝的亲本。rbcL基因检测到的高山松群体分化系数很高(G〓=0.533)。

All of them were bled prior to and 3 years after entering this programme and measured the antibody against epidemic parotitis and rubella by enzyme-linked immunosorbant assay.

在疫苗接种前和三年后各抽血一次,然后用 EL ISA方法检测接种前后血清中特异性抗体的浓度,并观察接种组和对照组这两种传染病的发病情况。

The applicability of chicken microsatellite primers to peafowl population was analyzed in the present paper, and the results showed 14 of 29 pairs of microsatellite primers from chicken could amplify peafowl DNA and produce specific allele patterns. A mean of 1.71 alleles was found for each locus. Seven pairs were highly polymorphic, and MCW0080 and MCW0098 were ideal markers for peafowl.

利用29对鸡微卫星标记对孔雀基因组DNA进行种间扩增,发现14对引物能扩增出特异性条带,每对引物扩增的平均等位基因数为1.71,有7对引物具有较丰富的多态性,其中MCW0080和MCW0098最为理想。

The probe revealed only weak signals in genomic DNA from other cereal species, wheat,barley, maize, rice and pearl millet, indicating that xPSF31 is a Setaria genus specific sequence.

该探针虽在谷子品种中显示很高的多态性,但与禾谷类的其他物种的DNA杂交信号微弱,表现出较强的谷子基因组特异性

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。