attenuated strain是什么意思

用法例句

Isolation and genetic characterization of one attenuated strain R98 of porcine reproductive and respiratory syndrome virus;

猪繁殖与呼吸综合征病毒R98弱毒株的分离鉴定与ORFs3～7基因特性研究

Sequence analysis demonstrated that the size of attenuated strain CVI988/Rispens VP22 was 732 bp.

根据已发表的MDV-1 GA株的序列,从CV1988/Rispens弱毒株感染的鸭胚成纤维细胞中扩增VP22基因片段,结果获得大小为732 bp的PCR产物。

Growth of the attenuated vaccine strain of new type gosling viral enteritis virus and study on its characteristics;

雏鹅新型病毒性肠炎病毒弱毒株的培育及其特性研究

An attenuated vaccine strain of Muscovy Duck Reovirus(MDRV),which was suitable for propagating in chicken embryo fibroblast(CEF),was obtained by serial passage alternately between Muscovy duck embryo fibroblast(MDEF)and CEF.

该弱毒株已失去对1日龄雏番鸭的致病性,对CEF的TCID50稳定在10-5~10-5。

The results of studing on the growth of attenuated vaccine strain (GPV-SCal5) of Gosling Plague (GP) and its characteristic are report in this paper.

本研究以小鹅瘟强毒GPV-SCv株在10日龄鸭胚上进行适应传代，获得GPV-SCa_(15)弱毒株，对其特性研究表明：GPV—SCa_(15)弱毒株致死鸭胚的时间稳定在2～5天，死亡鸭胚绒毛尿囊膜增厚并有灰白色坏死点，胚体充血、出血、水肿，出血部位尤以头后部、颈部、胸部和腿部明显；ELD_(50)为10~(6。

Genomic cloning and nucleotide sequence analysis of the cDNAs of Tobacco mosaic virus and its mild strains;

烟草花叶病毒及其弱毒株基因组的cDNA克隆和序列分析

Screening and cross-protection of Tobacco mosaic virus mild strains;

烟草花叶病毒弱毒株的筛选及其交互保护作用

Variance influence of immunity function of piglets infected by the high and the low virulent strains of porcine reproductive and respiratory syndro

猪繁殖与呼吸综合征病毒强弱毒株感染对仔猪免疫机能影响的差异

The B 26 Pasteurella multocida attenuated strain was used to prepare a live vaccine against the fowl cholera which was tested to be aviru.

１％裂解全血马丁汤中，通过物理诱变方法致弱，即在传代过程中，把培养温度由３７℃逐渐提高到４５℃，每１２ｈ传１代而成功致弱，传至１２００代时，毒力显著减弱，且仍保持其良好的免疫原性和培养特性，从而获得了禽巴氏杆菌Ｂ２６－Ｔ１２００弱毒菌

Identification of Duck Hepatitis Virus Isolates and Breeding on Attenuated DHV Strain;

鸭肝炎病毒分离株的鉴定及弱毒株的选育

(GPV-SCa15) of Gosling Plague and Its Characteristic;

小鹅瘟GPV-SCa15弱毒株培育及其特性研究

Study on the Mild Strain Cross Protection Against Citrus Tristeza Virus in China;

弱毒株交叉保护防治柑桔衰退病毒研究

Immune efficacy of attenuated newcastle disease virus strains on geese

新城疫病毒弱毒株对鹅的免疫效力试验

Isolation and Identification of Duck Hepatitis Virus BD-Ⅰ Strain in Hebei Province and Cultivation of Attenuated Virus Strain of BD-Ⅰ;

河北省鸭肝炎病毒BD-Ⅰ株的分离鉴定及弱毒株培育

Screening and identification of the differential genomic DNA between Brucella abortus virulent strain and attenuated strain

布鲁氏菌强毒株与弱毒株基因组DNA差异基因筛选与鉴定

ISOLATION AND MOLECULAR IDENTIFICATION OF INFECTIOUS BURSAL DISEASE VIRUS STRAINS

三株鸡传染性法氏囊病毒弱毒株的分离与分子鉴定

Dynamic Evolution of gp90 Gene of Proviral DNA of Equine Infectious Anemia Virus Attenuated Strain in Experimentally Infected Ponies

马传贫病毒弱毒株前病毒gp90基因在马体内的变异分析

Study on the Characteristics of RA Naturally Avirulent Strains;

鸭疫里默氏杆菌自然弱毒株的部分特性研究

Preliminary Study on the Hypovirulent Phenotype of Sclerotinia Sclerotiorum Strain Ep-1PN Influenced by Coniothyrium Minitans Strain ZS-1

盾壳霉ZS-1菌株对核盘菌弱毒株Ep-1PN影响的初步研究

Establishment and Preliminary Application of a Multiplex RT-nPCR for the Detection and Differentiation of Wild-type Strains from Vaccine Strains of Canine Distemper Virus;

鉴别犬瘟热病毒强毒株和弱毒株的复合RT-nPCR方法的建立及初步应用

Studies on Protein Transduction of VP22 in CVI988 Attenuated Vaccine Strain of Marek's Disease Virus;

MDV CVI988弱毒疫苗株VP22蛋白转导功能研究

Studies on the Resistance Effect of Three Mild CTV Isolates Against Severe CT4;

三个CTV弱毒分离株的拮抗效果研究

Molecular Identification of Mild and Severe Isolates of Citrus Tristeza Virus from Pummelos;

柚类柑橘衰退病毒（CTV）强、弱毒分离株的分子鉴定

Studies on Avirulent Vaccine of NDV Strain B_(95) and on Detection of NDV Strain B_(95) by RT-PCR;

鸡新城疫B_（95）株弱毒疫苗及B_（95）株病毒RT-PCR检测方法的研究

Evaluation of the Protection Conferred by Attenuated Heterologous Isolates Against the CK/CH/LDL/97I Strain of Infectious Bronchitis Coronavirus;

几株IBV弱毒对流行毒株CK/CH/LDL/97I的免疫保护作用评价

The Research about the Virus Preserver of Hog Cholera Lapinised Virus (C Strain) and Marek S Disease Turkey Herpes Virus (HVT);

猪瘟兔化弱毒（C株）和鸡马立克火鸡疱疹病毒（HVT）病毒保护剂的研究

Analysis of Complete Sequence of Proviral DNA of EIAV Chinese Donkey-adapted Strain and Donkey Leukocyte Attenuated Strain;

中国马传染性贫血病毒驴强毒株与驴白细胞弱毒疫苗株前病毒全基因组序列分析