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    Pigs are more susceptible to GN9801 strain, and the GN9801 strain has severe cytopathic effect (CPE) on chicken embryo fibroblast (CEF) culture.
    GN9801 毒株对猪的致病性及致鸡胚成纤维细胞的病变作用均比GN9802 毒株强。
    There were pathogeracity differences to susceptible chickens among HE93、HG96、XN98 and HQ99 strains,lethality of 50%、40%、0% and 10% respectively.
    4个毒株回归鸡的死亡率分别为50 % ,40 % ,0 %和10 %。
    The viruses were isolaled and passed by the routes of inoculating susceptible embryo chorioallantoic with the fresh kidney of sick chickens we had isolated 5 strains viruses (IBV_HQC9601、IBV_HQC9604、IBV_HQL9606、IBV_HQC9610、IBV_HTL9611),the results showed that these viruses were nephropathogenic infectious bronchitis viruses by the preliminary examination and the tests of causing illness susceptible chickens.
    以新鲜病死鸡肾脏为材料 ,通过接种易感发育鸡胚尿囊腔的途径 ,进行病毒的分离与传代 ,分离到 5株病毒 (分别记作IBV_HQC96 0 1、IBV_HQC96 0 4、IBV_HQL96 0 6、IBV_HQC96 10、IBV_HTL96 11) ,经初步检验及对易感鸡的感染发病试验 ,表明为鸡肾病变型传染性支气管炎病毒。
    Results The state concentration of ciprofloxacin in multiple antibiotic resistant (Mar) strains was significantly lower than that in susceptible stsains (0.73 mg/L±0.04 mg/L vs 2.00 mg/L±0.07 mg/L A 660 , P <0.001).
    结果 临床分离大肠杆菌多重耐药株细胞内环丙沙星稳态浓度显著低于敏感株 (0 .73mg/L± 0 .0 4mg/L比 2 .0 0mg/L± 0 .0 7mg/LA660 ,P <0 .0 0 1) ; 临床分离大肠杆菌无acrAB缺失 ;
    The quinolone resistant determining regions (QRDR) of gyr A genes of DNA gyrase subunit A of Salmonella typhi 275 (a clinically isolated quinolone susceptible strain) and its spontaneous mutant RG 1 were examined in this study with PCR RFLP and SSCP.
    本文利用 PCR-RFL P、SSCP对伤寒杆菌 2 75 (临床分离敏感株 )及其自发耐药突变株 RG1 DNA旋转酶 A亚单位基因 (gyr A)耐喹诺酮类决定区进行检测 ,并以 DNA序列分析对该变异进行检测。
    Donor- s- pecific Th- p from the other 8 patients was susceptible to anti- CD4 inhibition.
    但是这 8例患者 PBMC中对供者细胞特异的 Th细胞对 CD4抗体十分敏感。
    A few D 1 generation individuals was obtained by introducing total DNA of CV87,resistant to Alternaria alternata,into susceptible fluecured tobacco,NC89,through pollen tube pathway which included ovule injecting(ZZ),stigma dropping(DZ),and cutting off stigma dropping(QD).
    以抗赤星病烤烟 CV87为供体、感病烤烟 NC89为受体 ,采用子房注射 ( ZZ)、柱头滴加( DZ)和切柱头后滴加 ( QD)等 3种方法 ,将供体总 DNA导入受体。
    Quinolone-resistant determining region (QRDR) of DNA phrase gyrA genes from Salmonella typhi 275 (a clinically isolated quinolone susceptible strain) and its spontaneous quinolone resistant mutant S.typhi RG1 were sequenced and the interaction between quinolones and DNA gyrase was analyzed.
    本文利用伤寒沙门菌275(临床敏感菌株)及其耐喹诺酮类自发变异株RG1,测定其DNA旋转酶A业单位基因(gyrA)喹诺酮类耐药决定区(QRDR)碱基序列,分析药物与细菌相互作用关系。
    The LD 50 ,α naphthylacetate(α NA)esterase kinetics,α,β NA esterase activity and IC 50 of dichlorvos(DDVP),phoxim and malathion to Del R、2Cl R and susceptible (SP) strains of houseflies were determined.
    测定敏感、抗溴氰菊酯 (Del R)、抗氯菊酯 ( 2Cl R)的家蝇品系对有机磷杀虫剂敌敌畏、辛硫磷及马拉硫磷的LD50 ,α 乙酸萘酯 (α NA)酯酶动力学 ,酯酶的活性和酯酶的抑制作用。
    Two interspecific crosses [ V.quinquangularis (resistant)× V.vinifera (susceptible)]88-110 and 88-84 were analyzed. Three F 2 progenies resulting from three crosses of self cross and inter cross of 88-110 F 1 seedlings,as well as cultivars of V.vinifera and the wild grapes native to China were chosen for test too.
    分析了两个种间杂交组合 [毛葡萄 (抗病 )×欧洲葡萄 (感病 ) ]88- 1 1 0和 88- 84与 88- 1 1 0的 F1代自交或互交所得的 3个 F2 代 ,以及欧洲葡萄品种和中国野生葡萄种 .
    Results 89 1%(172/193) rifampin resistant strains had rpoB gene mutations in RRDR, no mutation was found in rifampin susceptible strains.
    结果  89 1% (172 / 193)的临床分离耐药株存在rpoB基因突变 ,而 46株敏感株无突变。
    The aglycone moiety linkage specificity of β galactosidase from different enzymatic sources was investigated. The priority of susceptible bond was 1 6 linkage>1 4 linkage>1 3 linkage for A. oryzae.
    研究了不同微生物来源乳糖酶的糖苷键键型作用特异性 ,研究表明米曲霉乳糖酶的水解优先顺序是 β 1 6键 >β 1 4键 >β 1 3键 ,乳酸克鲁维酵母乳糖酶的水解顺序则是 β 1 4键 >β 1 6键 >β 1 3键。
    PPJ made catalase more susceptible to the influence of high voltage electrostatic field (HVEF), reducing the critical electrostatic strength that affects catalase activity and the time span for the occurrence of change in enzyme activity.
    研究了脂肪醇聚氧乙烯醚对高压静电场与酶作用的影响 ,结果表明 :脂肪醇聚氧乙烯醚使得过氧化氢酶更容易受到高压静电场的影响 ,使酶活力产生变化的阀值电场强度变得更低。
    Results: Most of the ESBLs producing strains were resistant to cefotaxime and susceptible to ceftazidime. PCR experiment gave 68% bla TEM ,83% bla CTX M and 39%bla SHV positive results for all the strains detected, and the PCR products were identified as TEM 1 CTX M 3 SHV 12,SHV 11 and SHV 1 respectively by DNA sequencing.
    结果 :大部分产ESBLs菌株体外对头孢噻肟耐药而对头孢他啶敏感 ,PCR扩增结果显示TEM、SHV和CTX M的阳性率分别为 6 8%、39%和 83% ,序列分析证实TEM扩增产物均属于TEM 1基因 ,CTX M扩增产物均属于CTX M 3基因 ,而SHV扩增产物则分别属于SHV 12、SHV 11或SHV 1基因。
    There was both group antigen 3,4 and 7 in the shigella flexneri 2c,which was resistant to Gentamycin,Tobramycin,Kanamycin,Netilmicin,Piperacillin,to which shigella flexneri 2a was susceptible.
    F2 c同时含有群抗原 3,4和 7,它对庆大霉素、妥布霉素、卡那霉素、乙基西梭霉素、氧哌嗪青霉素耐药 ,而 F2 a则对以上五种药均敏感。
    Microspore culture was carried out in hybrid plants between a high generation inbred line 91-112 and a DH line T12-19, which are high resistant and susceptible to TuMV, respectively.
    用高抗TuMV的高代自交系91-112和高感TuMV的小孢子双单倍体系T12-19杂交的F1植株进行小孢子培养,多次继代培养使小孢子再生苗安全越夏,再经移栽驯化后进行低温处理,定植到日光温室。
    RPH3 showed the highest specific CarE activity, 57.1% higher than that of the susceptible strain, while no significant difference was found between the other resistant strains and the susceptible strain in this respect.
    (2)RPH3品系CarE的比活力最高,比S品系高57.1%,而其他几个抗性品系与敏感品系及它们之间不存在显著性差异;
    The result indicated that the full length of gyrA and parC genes are 2 625 bp and 2 256 bp, respectively. When compared with the QRDRsequencesof gyrA and parC genes of the ciprofloxacin susceptible strain (wild type, WT), the mutation altered the residues in gyrA at 69 Ala→Val and 87 Tyr→Asp, and in parC at 79 Ala→Asp and 84 Ala→Glu and 85 Pro→Ala in ciprofloxacin induced fluoroquinolone resistant strains (resistant type, RT), respectively.
    结果表明 ,痢疾杆菌福氏 2a 30 1株 gyrA和 parC基因分别为 2 6 2 5bp和2 2 5 6bp ,环丙沙星诱导的耐药菌 gyrA基因QRDR(2 4 5bp)发生氨基酸残基 6 9 Ala→Val和 87 Tyr→Asp改变 ,parC基因QRDR(2 37b)发生氨基酸残基 79 Ala→Asp、84 Ala→Glu和 85 Pro→Ala改变。
    Conclusion The results suggested that HepG 2 cell line was not only susceptible to HCV but also could support its replication in vitro.
    结论 HepG2 细胞在体外不但对HCV易感 ,而且可以支持HCV的体外复制
    pbp2b amplicon of 97.5% (39/40) pneumococcal isolates for which MICs of penicillin were ≤0.094μg/ml had one of three different susceptible restriction profiles, and 86.7% (26/30) isolates for which MICs were ≥ 0.12μg/ml had one of six.
    40株青霉素敏感菌株 (MICs≤ 0 .0 94μg ml)中的 39株 ( 97.5 %)为s1、s2和s3三种之一 ,1株为r1;
 

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