搜索结果: 1-15 共查到“动物学 PCR”相关记录50条 . 查询时间(0.187 秒)
旨在选择小鼠卵巢组织中合适的内参基因,为研究卵巢发育过程中基因表达提供可靠数据。以不同年龄(0日龄、3周龄、5周龄、8周龄)小鼠卵巢组织为试验材料,Trizol法提取样本总RNA,并合成cDNA,根据已报道的小鼠(Mus musculus)各组织中相对稳定表达的8个常见内参基因(Gapdh、β-actin、β-tubulin、18S rRNA、16S rRNA、H2afz、Ubc、Rpl13a)的...
鸭肠炎病毒(duck enteritis virus,DEV)疫苗株自1960年以来一直被用于防控DEV感染,该疫苗安全稳定、生产技术成熟、可快速诱导机体体液免疫和细胞免疫。DEV的基因组庞大,复制非必需区多,可容纳多个外源基因的插入,被广泛用来作为基因工程载体来开发疫苗。当前,尚未见仅针对DEV疫苗株的实时荧光定量PCR检测方法相关研究报道。本研究通过分析DEV疫苗株和强毒株UL2基因特点,明确...
为了灵敏而便捷的检测猪圆环病毒3型(PCV3),根据PCV3 ORF2基因组保守序列设计合成4对引物,先使用荧光染料(SYBR)定量PCR法验证其能否有效扩增目的片段,并根据结果和引物对所扩增序列的交集进一步设计TaqMan探针,通过优化反应条件和反应体系建立快速检测PCV3的实时荧光定量PCR检测方法。结果显示,SYBR染料法和TaqMan探针法均能有效地扩增PCV3标准质粒以及其他阳性样品,并...
草鱼呼肠孤病毒Ⅱ型是导致草鱼出血病的主要病原体之一,目前在我国广泛流行。本研究根据GenBank中草鱼呼肠孤病毒Ⅱ型基因序列,设计了草鱼呼肠孤病毒Ⅱ型特异性探针和PCR引物,通过优化反应条件,建立了草鱼呼肠孤病毒Ⅱ型一步法TaqMan荧光定量RT-PCR检测方法。试验对反转录和PCR反应体系进行摸索,通过优化的冻干工艺制备出草鱼呼肠孤病毒Ⅱ型全预混RT-PCR试剂,在荧光定量PCR中,冻干试剂的检...
湖北省潜江地区克氏原螯虾白斑综合征PCR诊断及组织病理学观察
克氏原螯虾 白斑综合征病毒 PCR检测 组织病理学检测
2019/1/21
近年来在全湖北省范围内人工养殖的克氏原螯虾暴发了严重的疾病,其中白斑综合征病毒(White spot syndrome virus, WSSV)已成为危害克氏原螯虾健康养殖的重要病原;2016年5月湖北省潜江市养殖区暴发一种传染性疾病,为探究此次疾病病因和流行规律,将病料进行临床症状观察、PCR检测、系统发育树分析、人工感染和组织病理学观察;发病克氏原螯虾临床症状主要表现为摄食减少,活力下降,反应...
轮状病毒(rotavirus,RV)是犊牛腹泻的重要病因,笔者旨在建立基于恒温隔绝PCR(insulated isothermal PCR,iiPCR)技术现场检测牛轮状病毒(bovine rotavirus,BRV)的方法。根据BRV和牦牛RV VP6基因序列,设计合成引物和探针,通过优化反应体系,配合商品化PetNAD核酸萃取试剂盒,建立了检测BRV和牦牛RV的iiPCR方法。结果显示该方法只...
Rapid Identification of Bifidobacteria in Dairy Products by Gene-targeted Species-specific PCR Technique and DGGE
Bifidobacterium spp. Species-specific PCR DGGE
2016/4/27
This study was conducted to examine the effects of different soy-oil and soy-lecithin levels on growth performance, nutrient utilization and serum parameters in broiler chickens. Two hundred and forty...
An MspI PCR-RFLP detecting a single nucleotide polymorphism at alpha-lactalbumin gene in goat
goat alpha-lactalbumin gene polymorphism Single Nucleotide Polymorphism (SNP) PCR-RFLP
2015/6/4
Alpha-lactalbumin (α-LA, LALBA) was strongly correlated with the nutritional value and the functional properties of whey and whey products. However, there are not many studies of goat LALBA gene and i...
Selection of Reliable Reference Genes for Real-time qRT-PCR Analysis of Zi Geese (Anser anser domestica) Gene Expression
Reference Genes Real-time qRT-PCR Zi Geese Gene Expression
2016/5/11
Zi geese (Anser anser domestica) belong to the white geese and are excellent layers with a superior feed-to-egg conversion ratio. Quantitative gene expression analysis, such as Real-time qRT-PCR, will...
PCR-SSCP of Serum Lysozyme Gene (Exon-III) in Riverine Buffalo and Its Association with Lysozyme Activity and Somatic Cell Count
Polymorphism Lysozyme Gene SSCP Buffalo Association SCC Sequencing
2016/5/5
Serum lysozyme gene is one of the important genes influencing the immune system as its product can cause lysis of bacterial cell wall by cleaving the peptidoglycan layer. The present investigation on ...
运用链特异性RT-PCR法进行脊髓灰质炎灭活疫苗的灭活验证
脊髓灰质炎灭活疫苗 灭活验证 链特异性RT-PCR
2012/11/8
运用链特异性逆转录聚合酶链式反应法(RT-PCR)建立了一种快速、灵敏、特异的脊髓灰质炎灭活疫苗(IPV)的灭活验证体系.以Sabin株脊髓灰质炎病毒悬液作为阳性对照,对脊髓灰质炎灭活疫苗进行检测.结果表明,链特异性RT-PCR法对具有活性的脊髓灰质炎病毒检测为阳性,而对脊髓灰质炎灭活疫苗的检测结果为阴性.链特异性RT-PCR法可作为一种简便、快速、灵敏的脊髓灰质炎灭活疫苗灭活验证方法,大大缩短了...
Development of a Rapid PCR Test for Identification of Streptococcus agalactiae in Milk Samples Collected on Filter Paper Disks
Filter Paper Disk Bovine Mastitis Streptococcus agalactiae
2016/4/27
Streptococcus (Strep.) agalactiae is one of the major pathogens of bovine mastitis and is the main cause of subclinical infection. This study attempted to develop a rapid PCR diagnosis procedure using...
摘要利用PCR-SSCP技术研究了南阳牛、秦川牛、郏县红牛、西镇牛、鲁西牛和荷斯坦奶牛6个牛品种539个个体leptin基因的遗传多态性。结果表明, PCR扩增产物大小为330 bp, PCR-SSCP分析表现出多态。南阳牛、秦川牛、郏县红牛、西镇牛、鲁西牛和荷斯坦奶牛的A等位基因频率分别为0.558,0.492,0.571,0.658,0.591,0.615;B等位基因频率分别为0.442,0....
小鼠H2Eb位点的PCR-SSP检测与多态性Genetic Diversity Examination of Murine H2Eb by PCR-SSP
H2复合体 PCR-SSP 等位基因
2008/1/16
摘要为探讨小鼠遗传背景的多态性,我们采用PCR-SSP技术对60只昆明种(KM)小鼠的H2Eb位点第二个外显子的等位基因进行鉴定,得到78个PCR阳性结果,共检出65%的等位基因且43.3%小鼠此位点的基因型相同。KM小鼠具有一定程度的遗传多态性。
Abstract:To explore the diversity of genetic background in Kunming (KM) mi...