نتایج جستجو برای: pastoris pichia.

تعداد نتایج: 4307  

Journal: :BMC Biotechnology 2008
Zhengbing Jiang Bei Gao Ren Ren Xingyi Tao Yushu Ma Dongzhi Wei

BACKGROUND For industrial bioconversion processes, the utilization of surface-displayed lipase in the form of whole-cell biocatalysts is more advantageous, because the enzymes are displayed on the cell surface spontaneously, regarded as immobilized enzymes. RESULTS Two Pichia pastoris cell surface display vectors based on the flocculation functional domain of FLO with its own secretion signal...

Abd Emami B Abolghasemi S Ahani-Azari M Amiri Yekta A Bagheri A, Fatemi N, Gourabi H Hasani S Sanati MH

Background: Bovine follicle-stimulating hormone (bFSH) is a heterodimer hormone that consists of a common -subunit which noncovalently associated with the hormone-specific -subunit. During the past 15 years, the methylotrophic yeast Pichia pastoris has become an important host organism for recombinant protein production because it is able to use methanol as a sole carbon and energy source. Th...

Journal: :Sheng wu gong cheng xue bao = Chinese journal of biotechnology 2009
Li Zhang Yuanyuan Jiang Jian Zhang Zhennai Yang

To express bovine chymosin in yeast, we amplified the prochymosin gene from the plasmid pMD18T-Prochy by PCR, and then cloned the gene into the expression vector pPICZaA, resulting in pPICZaA-Prochy. Pichia pastoris GS115 was used as host cells. Integration of the prochymosin cDNA into the Pichia pastoris genome was confirmed by PCR and sequencing analysis. Chymosin was expressed in Pichia past...

2015
Fei Wang Xiaojuan Wang Xiaolan Yu Lin Fu Yunyun Liu Lixin Ma Chao Zhai

Endo-β-N-acetylglucosaminidase H (Endo H, EC3.2.1.96) is a glycohydrolase that is widely used in the study of glycoproteins. The present study aimed to assess the effect of high-level endo-β-N-acetylglucosaminidase H expression in Pichia pastoris. The DNA coding sequence of this enzyme was optimized based on the codon usage bias of Pichia pastoris and synthesized through overlapping PCR. This n...

2014
Hyun Kang

Purpose: To investigate Pichia pastoris expression system for producing clinically usable, high-quality dipeptidyl peptidase 4 recombinant protein. Methods: The yeast, Pichia pastoris, expression system was used for the production of the human recombinant dipeptidyl peptidase 4 as a secreted form. The full-length human dipeptidyl peptidase 4 corresponding to the amino acid 31-766 was subcloned ...

Journal: :iranian journal of biotechnology 2013
fatemeh ramezani sara sadr mohammad beigi gholamreza ahmadian mohammadreza soudi soheila ghandili

objectives: in present research we evaluate the expression of this critical enzyme in a eukaryotic system for future use in cheese industry. materials and methods: we have cloned bovine prochymosin gene in methylotrophic yeast, p. pastoris, using ppic9k as an expression vector. the recombinant plasmid was transformed into the host by electroporation, and it was expressed in optimum con­ditions...

Journal: :Journal of Biomedicine and Biotechnology 2005
Olive-Jean Burrowes Gill Diamond Tung-Ching Lee

This research utilized the Pichia pastoris expression system for recombinant expression of cDNA of pleurocidin, a small (2.7 kd) antimicrobial peptide isolated from winter flounder (Pleuronectes americanus). The Pichia vector contains the alcohol oxidase gene promoter (AOX 1), which under the induction of methanol allows for expression of heterologous protein gene inserted downstream in the vec...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده فنی 1392

هپاتیت b که بوسیله ویروس هپاتیت b ایجاد می شود هنوز هم از زمره معضلات عمده بهداشتی در سراسر جهان به شمار می رود. در ژنوم مخمر pichia pastoris دو کپی از ژن الکل اکسیداز (aox) وجود دارد که aox1و aox2 می باشند پروموتر aox1 در سیستم های بیان pichia جهت تولید پروتیینهای نوترکیب (با استفاده از متانول بعنوان inducer ) استفاده می شود.و ما نیز به منظور بهینه سازی شرایط عملیاتی افزایش بیان پروتئین آنتی ژ...

Journal: :Reaction Chemistry and Engineering 2023

An unspecific peroxygenase from Aspergillus brasiliensis highly expressed in Pichia pastoris catalyses aromatic hydroxylation of a number benzylic compounds.

Journal: :avicenna journal of medical biotechnology 0

to accomplish the worldwide demand for recombinant human erythropoietin (rhuepo) as a therapeutic, application of cost-efficient expression system of methylotrophic yeast pichia pastoris (p. pastoris) rather than mammalian cells is indispensable. herein, a report on high levels secreted-expression of pichia-derived rhuepo by batch fermentation in a ph stabilized format is presented. the full le...

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