نتایج جستجو برای: beta tubulin gene
تعداد نتایج: 1290746 فیلتر نتایج به سال:
Two alpha-tubulin genes from the budding yeast Saccharomyces cerevisiae were identified and cloned by cross-species DNA homology. Nucleotide sequencing studies revealed that the two genes, named TUB1 and TUB3, encoded gene products of 447 and 445 amino acids, respectively, that are highly homologous to alpha-tubulins from other species. Comparison of the sequences of the two genes revealed a 19...
The pattern of neural elements in the islets of normal and diseased pancreas and in isolated islets.
CONTEXT The association between islet cells and neural elements, the so-called "neuro-insular complex", has been known for centuries. OBJECTIVE We examined the expression of beta-III tubulin, in normal pancreases from organ donors, surgical specimens of chronic pancreatitis, surgical specimens of ductal type carcinoma, isolated and purified islets of a 57-year-old male and the pancreases of a...
Increased microtubule assembly in bovine brain tubulin lacking the type III isotype of beta-tubulin.
Tubulin, the major constituent protein of microtubules, is a heterodimer of alpha and beta subunits. Both alpha and beta exist in multiple isotypic forms. It is not clear if different isotypes perform different functions. In order to approach this question, we have made a monoclonal antibody specific for the beta III isotype of tubulin. This particular isotype is neuron-specific and appears to ...
The discovery of delta-tubulin, the fourth member of the tubulin superfamily, in Chlamydomonas [1] has led to the identification in the genomes of vertebrates and protozoa of putative delta homologues and of additional tubulins, epsilon and zeta [2-4]. These discoveries raise questions concerning the functions of these novel tubulins, their interactions with microtubule arrays and microtubule-o...
Axin is known to have an important role in the degradation of beta-catenin in the Wnt pathway. Here, we reveal a new function of Axin at the centrosome. Axin was localized to the centrosome in various cell lines and formed a complex with gamma-tubulin. Knockdown of Axin reduced the localization of gamma-tubulin and gamma-tubulin complex protein 2-components of the gamma-tubulin ring complex-to ...
microtubules, the active filaments with tubular shapes, play important roles in a wide range of cellular functions, including structural supports, mitosis, cytokinesis, and vesicular transport, which are essential for the growth and division of eukaryotic cells. finding properties of microtubules is one of the main concerns of scientists. this work helps to obtain mechanical properties of micro...
Surveys were conducted during 2017 and 2018 in the citrus orchards of Punjab, India to record incidence different insect pests their natural enemies. During October-December, Entomopathogenic Fungus (EPF), Aschersonia aleyrodis was found infect nymphs pupae whitefly, Dialeurodes citri on lower leaf surface Kinnow from Hoshiarpur, Ludhiana, Mansa Fazilka districts.The fungus isolated infected mo...
Observations of low response of patients infected with Onchocerca volvulus to ivermectin suggest that the parasite may be under a selection process toward potential resistance. To limit the extension of this phenomenon, it is crucial to characterize the genes of O. volvulus that are involved. For this, O. volvulus adult worms collected before the introduction of ivermectin in an onchocerciasis ...
A recessive male sterile mutation (B2t8) that encodes a stable variant of the testis-specific beta 2-tubulin of Drosophila causes the assembly of aberrant microtubules both in vivo and in vitro. The B2t8 mutation appears to cause defects in the formation of interprotofilament bonds. In testes from homozygous mutant males, the most commonly observed aberrant structures were sheets of protofilame...
Both fundamental and clinical studies suggest that class III beta-tubulin expression is associated with resistance to taxanes and constitutes a prognostic factor in several solid tumors. In this study, we assessed the prognostic and predictive value of class III beta-tubulin in tumors of patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) treated with paclitaxel-base...
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