نتایج جستجو برای: dgge
تعداد نتایج: 1538 فیلتر نتایج به سال:
Familial hypercholesterolemia (FH) results from mutations in the low density lipoprotein receptor (LDLR) gene. We applied denaturing gradient gel electrophoresis (DGGE) to screen for sequence variations in the coding and splice site consensus sequences of the LDLR gene. For amplification of each exon by the polymerase chain reaction (PCR), optimal pairs of primers were designed by the MELT 87 c...
The diverse bacteria encoding histidine decarboxylase gene during the fermentation of Sichuan-style sausages were investigated by culture-dependent techniques, polymerase chain reaction–denaturing gradient gel electrophoresis (PCR-DGGE), and high-throughput sequencing. All microbial indicators exhibited advantages mixed starter culture stability microecosystem was more in inoculation group than...
We present a novel denaturing gradient gel electrophoresis (DGGE) method which characterizes multiclonal communities of Staphylococcus aureus. The spa PCR-based DGGE method simultaneously separates strains that differ in only one base, thereby revealing multiclonal colonization and infections.
Denaturing gradient gel electrophoresis (DGGE) is believed to be the most powerful pre-screening method for mutation detection currently available, being used mostly on an exon-by-exon basis. Broad-range DGGE for the analysis of multiple fragments or an entire gene is rarely applied. We and others have already shown that one or two DGGE conditions are usually sufficient to analyse an entire gen...
Denaturing gradient gel electrophoresis (DGGE) of PCR-amplified 16S rRNA gene segments was used to profile microbial populations inhabiting different temperature regions in the microbial mat community of Octopus Spring, Yellowstone National Park. DGGE allowed a rapid evaluation of the distributions of amplifiable sequence types. Profiles were essentially identical within regions of the mat defi...
[1] The phylum Bacteroidetes represents one of the most abundant bacterial groups of marine and freshwater bacterioplankton. We investigated the diversity of Bacteroidetes in water and sediment samples from three evaporitic basins located in the highlands of northern Chile. We used both 16S rRNA gene clone libraries created with targeted Bacteroidetes-specific primers and separation of specific...
Fingerprinting methods such as denaturing gradient gel electrophoresis (DGGE) of 16S rRNA gene pools have become a popular tool for comparisons between microbial communities. The GC-clamp portion of primers for DGGE amplicon preparation provides a key component in resolving fragments of similar size but different sequence. We hypothesized that repeat syntheses of identical 40-base GC-clamp prim...
پسته اهلی (pistacia vera. l.) مهمترین محصول باغی صادراتی ایران می باشد. در سال های اخیر خشکی و شوری مفرط ناشی از تغییرات اقلیم بویژه در مناطق پسته خیز کشور که مهمترین آن منطقه رفسنجان می باشد، تولید و صادرات این محصول استراتژیک را به چالش کشیده است. پژوهش حاضر با هدف بررسی رابطه همزیستی میکوریزی درختان پسته منطقه رفسنجان انجام شد. در فاز اول مطالعه تنوع ژنتیکی قارچ های میکوریز ریشه پسته به رو...
Helicobacter species are fastidious bacterial pathogens that are difficult to culture by standard methods. A PCR-denaturing gradient gel electrophoresis (PCR-DGGE) technique for detection and identification of different Helicobacter species was developed and evaluated. The method involves PCR detection of Helicobacter DNA by genus-specific primers that target 16S rDNA and subsequent differentia...
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