نتایج جستجو برای: assosiated gene a
تعداد نتایج: 13657412 فیلتر نتایج به سال:
background: parathyroid hormone is an 84-amino acid peptide secreted by the parathyroid glands. its physiological role is maintenance of normal serum calcium level and bone remodeling. biological activity of this hormone is related to n-terminal 1-34 amino acids. the recombinant form of hormone (1-34) has been approved for treatment of osteoporosis from 2002. in this study, a novel fusion partn...
Colibacillosis is known as a fatal bacterial disease resulting in a high level of commercial loss worldwide. This study amid to elucidate the sequence, genetic characteristics, and phylogeny of the bor gene in Escherichia coli (E. coli) strain c1378 (O78:K80) isolated from avian colibacillosis in Iran and develop a rapid and optimal polymerase chain reaction (PCR) mol...
Introduction: RNA interference (RNAi) is a phenomenon of gene silencing that uses double-stranded RNA (dsRNA), specifically inhibits gene expression by degrading mRNA efficiently. The mediators of degradation are 21- to 23-nt small interfering RNAs (siRNA). The use of siRNAs as inhibitors of gene expression has been shown to be an effective way of studying gene function in mammalian cells. Ai...
the lpsa gene, a late acting gene in the biosynthetic pathway of ergovaline, a suspected causative agent for fescue toxicosis in cattle, has been cloned from neotyphodium lolii, an endophytic fungus of lolium perenne. in this study, a similar gene was detected in several strains of endophytic neotyphodium spp. isolated from grass hosts endogenous to iran using direct and nested-pcr assays. exce...
ریحان(ocimum basilicum l.) از گیاهان دارویی تیره نعناع و سرشار از ترکیبات فنیل پروپانوئیدی است. در این تحقیق به منظور مطالعه تأثیر متیل جاسمونات بر بیان ژن های چاویکول-o-متیل ترنسفراز(cvomt) و سینامات چهار هیدروکسیلاز (c4h) (ژن های کلیدی دخیل در بیوسنتز فنیل پروپانوئیدها) و آنزیم های آنتی اکسیدانت آسکوربات پراکسیداز و گایاکول پراکسیداز در گیاه ریحان رقم کشکنی لولو، آزمایشی بر پایه طرح کاملاً تصا...
genetic typing methods of t. gondii strains have been extensively perfected in recent years. from a technical point of view, many tools usable for genetic studied on single-copy loci have been used: rflp, pcr-rflp, sequencing, rapd-pcr and isoenzyme analysis. we described the cloning and sequence analysis of the gene which encodes the major surface antigen (sag1 or p30) of t. gondii. sag1 is th...
Background & Aims: Salmonella Typhimurium is a negative-gram, non-spore, free capsule, moving bacteria with Trish Perry flagella. Salmonella is the most common cause of food poisoning. The ability to enter and survive in host cells is the condition for pathogenic Salmonella species. Proteins of invasive Salmonella are transferred to the host cells by bacteria. This study was performed for gener...
Background and purpose: Toxoplasma gondii (T. gondii) is an obligatory intracellular protozoan parasite. Toxoplasmosis is highly prevalent and has a great effect on public health, therefor, there is a need for vaccine and sensitive diagnostic procedures. This study aimed at cloning and investigating the expression of ROP13 gene of T. gondii. Materials and methods: In this study, the gene was c...
background : many helicobacter pylori strains express adhesin proteins that bind to specific host-cell macromolecule receptors, like sialic acid binding adhesion ( saba ). saba-expressing strains have been associated with gastric cancer and negatively associated with duodenal ulcers. the aim of this study was to determine the status of saba gene of h. pylori ...
Most plants encounter stress such as drought and salinity that adversely affect growth, development and crop productivity. The expression of the gene glutathione-s-transferases (GST) extends throughout various protective mechanisms in plants and allows them to adapt to unfavorable environmental conditions. GSTF1 (the first phi GSTFs class) gene expression patterns in the wheat cultivars Mahuti ...
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