نتایج جستجو برای: restriction fragment length
تعداد نتایج: 412621 فیلتر نتایج به سال:
AIM This study aimed to determinant association between rs76189946 polymorphism of EGF gene and risk of colorectal cancer in an Iranian population. BACKGROUND Colorectal cancer (CRC) is the third most prevalent cancer in both genders worldwide. The determination of genetic variation becomes a new way to etiology of colorectal cancer. Epidermal growth factor (EGF) is a mitogen that plays an im...
Mycoplasma pneumoniae is a major pathogen causing community-acquired pneumoniae (CAP), which is generally treated with macrolides. In recent years, however, although macrolide-resistant M. pneumoniae has been reported frequently, particularly in China, very little is known about the prevalence of macrolide-resistant M. pneumoniae infection in adults. In this study, we survey the macrolide-resis...
Spoligotyping (for spacer oligotyping) is an easy, economical, and rapid way of typing Mycobacterium tuberculosis complex strains with the DR spacer markers (J. Kamerbeek et al., J. Clin. Microbiol. 35:907-914, 1997; D. van Soolingen et al., 33:3234-3248, 1995). The stability of the markers was demonstrated by showing that all the Mycobacterium bovis BCG strains tested gave the same spoligotypi...
A new convenient molecular typing method, simultaneous polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP) analysis, for three different genes of methicillin-resistant Staphylococcus aureus (MRSA) was evaluated using 35 isolates of MRSA and comparing results with those previously reported for sequencing-based spa typing. Twenty-nine isolates of the most frequent prot...
The identification and geographic distribution of the herpes simplex virus type 1 (HSV-1) BglII restriction fragment length polymorphism (RFLP) variants named BgK(L) and BgO(L) in clinical isolates from orolabial and cutaneous sites were described in our previous reports, in which the dispersion and replacement of HSV-1 variants were proposed. The base substitution sites deduced from the BgK(L)...
Eighty-five wild and cultivated accessions of common bean (Phaseolus vulgaris L.), representing a wide geographic area in the centres of domestication were tested for restriction fragment length polymorphisms (RFLPs). Genomic DNA was digested with one of three restriction enzymes (EcoRI, EcoRV, and HindIII) and hybridized to 12 probes distributed throughout the common bean genome. Accessions co...
The world is going through the debate on hazardous effects of consumption of A1 milk on human health by producing of hazardous chemical compound like beta casomorphin-7 and how this is not the case with A2. The aim of the present study was to genotype the existing population of crossbred Holstein-Friesian (HF) cattle for polymorphism in â-Casein gene (CSN2) using PCR-RFLP technique. Total of 47...
Stemona sessilifolia, S. japonica and S. tuberosa are the three genuine sources of Stemonae Radix specified in the Chinese Pharmacopoeia (CP) for antitussive and insecticidal remedy. Significant variations in alkaloids composition and content, as well as different degree of antitussive activity were found among them. In order to accurately identify the genuine sources of Stemonae Radix in the g...
Methods: A pair of primers was designed to amplify herpes simplex virus type 1 and 2 (HSV-1/-2), EpsteinBarr virus (EBV) and cytomegalovirus (CMV). At last, we used the PCR-RFLP technique to differentiate four different herpesviruses. Meanwhile, 75 clinical blood specimens from infants of suspected viral infection and 38 blood specimens from healthy children were evaluated for herpesviruses DNA...
The etiologic agent of Lyme borreliosis, Borrelia burgdorferi sensu lato, has been isolated from many biologic sources in North America and Eurasia, and isolates have been divided into three distinct genospecies (B. burgdorferi sensu stricto, Borrelia garinii, and Borrelia afzelii). In order to explore the possible association of genospecies with disease manifestation, 60 isolates of B. burgdor...
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