نتایج جستجو برای: rare codon
تعداد نتایج: 260293 فیلتر نتایج به سال:
In Streptomyces coelicolor A3(2), bldA mutants that lack the tRNA for the rare leucine codon UUA fail to make the red undecylprodigiosin antibiotic complex. To find out why, red-pigmented while bald (Pwb) derivatives of a bldA mutant were isolated. Using a cloning strategy that allowed for (and demonstrated) dominance of the mutations, they were localized to the red gene cluster. By using inser...
Inherited metabolic diseases (IMDs) belong to the group of rare diseases due to their low individual prevalence. Most of them are inherited in autosomal recessive fashion and represent good candidates for novel therapeutical strategies aimed at recovering partial enzyme function as they lack an effective treatment, and small levels of enzymatic activity have been shown to be associated with imp...
infectious bursal disease virus (ibdv) is the causative agent of gumboro disease, an infectious disease of global economic importance in poultry. structural protein vp2 of ibdv is the most frequently studied protein due to its significant roles in virus attachment, protective immunity, and serotype specificity. the objective of the present study was to improve the expression of hypervariable re...
conclusions: premature stop codon in the s gene was observed in all countries with evaluable hbv genome sequences. co-existence of detectable hepatitis b surface antigen (hbsag) and s gene premature stop codon was inconsistent with other studies. investigations on yield truncated hbsag are suggested to determine if they can affect elisa hbsag results. background: we have previously reported on ...
Studies in animals lacking the cellular prion protein (PrP(c)) gene (Prnp) showed higher neuronal excitability in vitro and increased sensitivity to seizures in vivo. The authors previously reported a rare polymorphism at codon 171 (Asn-->Ser) of human Prnp to be associated with mesial temporal lobe epilepsy related to hippocampal sclerosis. They demonstrated that the same variant allele is als...
mutations in the gjb2 gene are the most common known cause of hereditary congenital hearing loss. rapid genomic dna extraction (rgde) method was used for genomic dna extraction. after amplification of coding region of cx26 gene with specific primers, expected pcr products with 724bp length were subjected to direct sequencing in both directions. we describe here a novel heterozygous -t to -c tra...
abstract objective: detection of p53 gene mutation on its codon 248 between iranian women with breast cancer by pcr-rflp. material and methods: dna extraction of tumor tissues was performed in 53 patients with primary breast cancer. designing primer for the sub-studying codon was performed with nti-vector software and detection of codon 248 mutation was done by msp i pcr_rflp. results: the soma...
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