نتایج جستجو برای: sequence analysis
تعداد نتایج: 3108707 فیلتر نتایج به سال:
Background: Sea hares of the Aplysia genus are among the mollusks of interest for various researchers to study their phylogeny, bioactive compounds and the nervous system. These mollusks are herbivorous and produce chemical compounds (ink) to defend themselves. The present study provided molecular identification of the Persian Gulf (Bushehr city) sea hare using 16s rRNA gene sequence. Materials...
ackground: DNA barcoding is a novel method of species identification based on nucleotide diversity of conserved sequences. The establishment and refining of plant DNA barcoding systems is more challenging due to high genetic diversity among different species. Therefore, targeting the conserved nuclear transcribed regions would be more reliable for plant scientists to reveal genetic diversity, s...
Almost all RNA molecules--and consequently also almost all subsequences of a large RNA molecule-form secondary structures. The presence of secondary structure in itself therefore does not indicate any functional significance. In fact, we cannot expect a conserved secondary structure for all parts of a viral genome or a mRNA, even if there is a significant level of sequence conservation. We pres...
SUMMARY MAVG is a software tool for finding k non-overlapping maximum-average segments that are sufficiently long in a given sequence of real numbers, for any k > 0. It has applications in several areas of biomolecular sequence analysis including locating GC-rich regions and CpG islands in a genomic sequence, and annotating multiple sequence alignments. AVAILABILITY http://iubio.bio.indiana.e...
background: cryptosporidium species are important cause of diarrheal diseases in both developing and developed countries. this study aimed to compare the perfor-mance of several molecular methods for identification of cryptosporidium species, and to detect genetic variation among each of these species isolated from iran, ma-lawi, nigeria, vietnam and the united kingdom. methods: the oocysts dna...
Background and Aims: DNA constructs containing HCV antigens have become one of the vaccine candidates for induction of anti-HCV cellular and humoral immunity. In this study, we constructed a novel expressing vector harboring a fusion sequence derived from an overlapping fragment in the middle of NS3 and a truncated core fragment to avoid troubles reported to be associated with full gene express...
objective: methylmalonic acidura (mma) is a rare autosomal recessive inborn error of metabolism. in this study we present a novel nucleotide change in the mutase (mut) gene of two unrelated iranian pedigrees and introduce the methods used for its functional analysis. materials and methods: two probands with definite diagnosis of mma and a common novel variant in the mut were included in a descr...
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