نتایج جستجو برای: restriction enzymes
تعداد نتایج: 192232 فیلتر نتایج به سال:
objective(s): fascioliasis is a zoonotic parasitic disease caused by liver fluke species of fasciola hepatica and fasciola gigantica. differentiation of these two species, based on their morphological characteristics, is difficult. the current study aimed to use pcr-rflp assay to distinguish between f. hepatica and f. gigantica , based on profiles of rflp, produced by effect of endonucleases on...
background and objectives: varicella–zoster virus (vzv) is a human herpes virus that usually attacks young children and commonly causes chicken pox (varicella). following primary infection, a lifelong latent infection is established. the virus often reactivates during adulthood or senesces to cause shingles (zoster). little is known regarding the genotypes of varicella in kuwait. the aim of thi...
The rapid evolution of bacteria is crucial to their survival and is caused by exchange, transfer, and uptake of DNA, among other things. Conjugation is one of the main mechanisms by which bacteria share their DNA, and it is thought to be controlled by varied bacterial immune systems. Contradictory results about restriction-modification systems based on phenotypic studies have been presented as ...
UNLABELLED Restriction endonucleases are indispensable tools in molecular biology and biotechnology. Type II restriction endonucleases are part of restriction modification systems. DNA fragment extraction and restriction mapping are the basis for several biotechnological activities. WebFARM is a server application for identifying restriction endonuclease recognition sites and to give informatio...
Using mitochondrial DNA restriction endonuclease analysis, the dynamics of the natural Saccharomyces cerevisiae strains present in spontaneous wine fermentations have been studied. We observed a sequential substitution of Sacch. cerevisiae strains along fermentation agreeing with different fermentation phases. When the restriction pattern's similarity (measured as the fraction of shared restric...
background: to identify the fasciolid species by morphometric and molecular methods in zanjan, northwest of iran. methods : adult fasciola worms (n=584) were obtained from cattle and sheep in zanjan slaughterhouse in 2007. living flukes were washed, then worms' images were taken by 3ccd camera and finally apical zone of each worm was obtained. morphometric values such as body length, body widt...
introduction: acanthamoeba is an opportunistic protist, which is ubiquitously distributed in the environment. infection with acanthamoeba spp. poses threat to human health, such as, acanthamoeba keratitis (ak) that is a vision-threatening infection of the cornea. this study aimed to identify the species of acanthamoeba strains isolated from cornea of keratitis patients by polymerase chain react...
Type II restriction endonucleases (REases) form a large and highly diverse group of enzymes. Even REases specific for a common recognition site often vary in their oligomeric structure, domain organization and DNA cleavage mechanisms. Here we report biochemical and structural characterization of the monomeric restriction endonuclease UbaLAI, specific for the pseudosymmetric DNA sequence 5'-CC/W...
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