نتایج جستجو برای: beta tubulin gene
تعداد نتایج: 1290746 فیلتر نتایج به سال:
The mechanisms that cause chemoresistance of gastric cancer have yet to be elucidated. Taxanes and promising agents that were recently approved for treatment of advanced or recurrent gastric cancer. Mutations of beta-tubulin, which is a target of taxianes, have been shown to confer chemoresistance against these agents. The aim of the present study is to investigate the presence of mutations of ...
Two beta-tubulin mutants of the unicellular green alga Chlamydomonas reinhardtii have been isolated on the basis of altered sensitivity to the growth-inhibitory effect of colchicine. The two mutations of colR4 and colR15 have been found to be tightly linked, mapping to a previously unmarked site in linkage group XII. The drug-resistance phenotypes of both mutations segregated in genetic crosses...
Tubulins, as the major structural component of microtubules (MT), are highly conserved throughout the entire eukaryotic kingdom. They consist of alpha/beta heterodimers. Both monomers, at least in multicellular organisms, are encoded by gene families. In higher plants up to eight beta-tubulin isotypes, mostly differing in their very C-termini, have been described. These variable beta-tubulin C-...
Arbuscular mycorrhizal fungi (AMF) are an ecologically important group of fungi. Previous studies showed the presence of divergent copies of beta-tubulin and V-type vacuolar H+-ATPase genes in AMF genomes and suggested horizontal gene transfer from host plants or mycoparasites to AMF. We sequenced these genes from DNA isolated from an in vitro cultured isolate of Glomus intraradices that was fr...
In this report, β-tubulin gene polymorphism was investigated in Haemonchus contortus populations isolated from sheep flocks in different regions of Khouzestan province, southwestern Iran. The samples were chosen on the basis of regional variation in benzimidazole treatment background of sheep flocks. Our objective was to study the relationship between treatment background andβ -tubulin gene po...
surveillance of dermatophytosis is essential to determine the likely changes in etiological trends and distribution profile of this infection. in this study beta tubulin gene (bt2), was used as the first time in a pcr-rflp format to clarify the distribution of dermatophytosis agents in some parts of iran.a total of 603 clinical isolates was obtained from 500 patients in tehran, isfahan, mazanda...
Increasing evidence suggests that neuroimmune networks play key roles in the thymic histophysiology and pathology. Prompted by this, we analyzed by immunohistochemistry the distribution of human thymic cells expressing major neural and neuroendocrine markers and neural growth factor (NGF) receptors in combination with the expression patterns of various cytokeratins. Additionally, since some bet...
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