نتایج جستجو برای: pcr 3
تعداد نتایج: 1948300 فیلتر نتایج به سال:
An improved multiplex PCR, using redesigned primers targeting the serovar 3 capsule locus, which differentiates serovars 3, 6, and 8 Actinobacillus pleuropneumoniae isolates, is described. The new primers eliminate an aberrant serovar 3-indicative amplicon found in some serovar 6 clinical isolates. Furthermore, we have developed a new multiplex PCR for the detection of serovars 1 to 3, 5 to 8, ...
Polymerase chain reaction-restriction fragment length polymorphism (RFLP-PCR) is a technique used to identify single nucleotide polymorphisms (SNPs) based on the recognition of restriction sites by enzymes. RFLP-PCR an easy-to-perform and inexpensive tool for initial analysis SNPs potentially associated with some monogenic diseases, as well in genotyping, genetic mapping, lineage screening, for...
بز سرخ جبالبارز با جمعیتی بالغ بر 450 هزار رأس در منطقه جیرفت و کهنوج پرورش می یابد. از سال 82 ، دو گله مردمی با ظرفیت 300 رأس جهت رکورد برداری تحت پوشش مرکز اصلاح نژاد دام قرار گرفته است. فروش کرک، گوشت قرمز و محصولات لبنی از منابع درآمد این نژاد محسوب می شود. با توجه به این که این نژاد تا کنون با نشانگرهای ملکولی مورد مطالعه قرار نگرفته است، لذا این پژوهش به منظور بررسی چند شکل ژن gola-drb3 ب...
Optimization of the Sybr Green real time PCR for the detection of Human Herpes Virus type 6 (HHV-6).
HHV-6 is the etiological agent of Exanthem subitum which is considered the sixth most frequent disease in infancy. In immuno-compromised hosts, reactivation of latent HHV-6 infection may cause severe acute disease. We developed a Sybr Green Real Time PCR for HHV-6 and compared the results with nested conventional PCR. A 214 pb PCR derived fragment was cloned using pGEM-T easy from Promega syste...
A single-round PCR method with primers specific for the 3' noncoding region (NCR) of hepatitis C virus (HCV) has been developed. Using a double RNAzol-B extraction, a high-temperature reverse-transcription step with SuperScript II reverse transcriptase, and a 40-cycle two-temperature PCR with a TaqStart antibody hot-start procedure, we were able to detect a 92-nucleotide fragment of the recentl...
In this study, the transformed system mediated by Agrobacterium tumefaciens of Gynostemma pentaphyllum was constructed using phosphomannose-isomerase (PMI) gene as a marker. To investigate cefotaxime sodium salt (Cef) concentration bacteriostatic medium and appropriate mannose in selectable medium, explants stems with buds were cultured basic supplemented different Cef concentrations, respectiv...
Abstract Background Patients with sterile pyuria may be infected sexually transmitted diseases or have renal tuberculosis. This study investigated the possibility of detecting and Mycobacterial tuberculosis in samples polymerase chain reaction. Methods Forty-four day-3 negative urine culture were for presence Results Among 44 samples, 61.4% positive by reaction (PCR) bacterial DNA (either Mycob...
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