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Type of publication: Konferencijų tezės nerecenzuojamuose leidiniuose / Conference theses in non-peer-reviewed publications (T2)
Field of Science: Biochemija / Biochemistry (N004)
Author(s): Budginas, Lukas;Rugienius, Rytis;Vinskienė, Jurgita;Baniulis, Danas;Stanys, Vidmantas
Title: Production of recombinant extracllular matrix mimicking peptides in tobacco plant
Is part of: Open readings 2020: 63nd international conference for students of physics and natural sciences, March 17-20, 2020, Vilnius, Lithuania: abstracts book. Vilnius : Vilnius University, 2020
Extent: p. 456-456
Date: 2020
ISBN: 9786090703779
Abstract: Application of the plant cultivation in the closed system (in vitro) technology for production of recombinant proteins provides a cost and product quality effective alternative as compared to traditional sources and it could be easily adapted for the large-scale industrial production [1]. Tobacco is one of the most popular plant-based expression systems, and it is widely used in producing antibodies, pharmaceutical and industrial proteins [2]. Composite mixtures of polymers and animal tissue specific extracellular matrix proteins – such as collagen, fibronectin, laminin – are being used for biomaterial production. However, specific functions of the extracellular matrix proteins could be readily reproduced using relatively short segments of their structure – peptides mimicking extracellular matrix. Therefore, aim of our research was to develop a closed type plant tissue cultivation system using tabaco plants (Nicotiana tabacum) dedicated for production for production of the recombinant peptide mimicking fibronectin typeIII domain 9-10 segments (FN9-10). DNA construct with constant p35S promotor and t35S terminator was prepared and pDGB3_alpha1 based plasmid vector was developed using the GoldenBraid 2.0 cloning system. The construct included a green fluorescent protein (avGFP) marker for the recombinant protein expression analysis, polyhistidine (6xHis) tag for protein affinity purification and a cleavage site for the WELQut protease for the separation of target peptide (Fig. 1). Tobacco leave tissues were transformed using Agrobacterium tumefaciens. Selection of tabaco transformants was carried out using different concentrations of antibiotic. It was established that concentration of kanamycin and geneticin suitable for transformed callus tissue selection was 150mg/L and 40 mg/L, respectively. To eliminate agrobacteria, thimetin was used at 300 mg/L with no adverse effect on tabaco callus viability. Further, selection of transformed tabaco callus [...]
Affiliation(s): Gamtos mokslų fakultetas
Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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