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Induction of DrsB1-CBDAvr4 Recombinant Protein in Hairy and Adventitious Roots of T1 Transgenic Plants
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Mitra Khademi   , Marzih Varasteh-Shams , Farhad Nazarian-Firouzabadi * |
| Production Engineering and Plant Genetics Department, Faculty of Agriculture, Lorestan University, Khorramabad, Iran , nazarian.f@lu.ac.ir |
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Abstract: (4180 Views) |
Hairy and adventitious roots are efficient systems for expressing recombinant proteins. In the present study, the amount of DrsB1-CBDAvr4 recombinant protein in hairy and adventitious root systems was compared. To this end, the effect of different factors on the optimization of culture conditions to obtain adventitious and hairy roots was evaluated in three separate experiments by assessment of biomass production in T1 transgenic plants expressing DrsB1-CBDAvr4 recombinant protein. The efficacy of Agrobacterium rhizogenesis in producing hairy roots was ensured using rolC gene specific primers. The insertion of DrsB1-CBDAvr4 recombinant peptide transgene in the genome of hairy and adventitious roots was confirmed by PCR analysis. Also, the level of DrsB1-CBDAvr4 protein was measured in hairy and adventitious roots by ELISA analysis. Analysis of the variance of data showed that the highest number of roots and the longest roots were obtained in MS media supplemented with 1 mg/L NAA and 0.5 mg/L IBA. The results of adventitious root biomass showed that liquid MS medium containing 1 mg/L of NAA hormone had a significant effect (P <0.01) on biomass production. More biomass was obtained in MS medium supplemented with 1mg/L NAA, whereas a lower fresh and dry weight was obtained in a 1/4 MS medium with no NAA. The results also showed that ATCC15834 strain with MS media supplemented with 3% sucrose, 10 minutes inoculation time was high efficiency to induce hairy roots in tobacco plants. The results of ELISA analysis showed that clones obtained from both roots showed a significant difference in terms of total protein content. The amount of recombinant protein from hairy roots was much higher than that of adventitious roots. |
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| Keywords: Recombinant peptides, Growth regulator, Hairy root, Adventitious root, Biomass |
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Full-Text [PDF 1000 kb]
(1007 Downloads)
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Type of Study: Research |
Subject:
Molecular genetics
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Khademi M, Varasteh-Shams M, Nazarian-Firouzabadi F. Induction of DrsB1-CBDAvr4 Recombinant Protein in Hairy and Adventitious Roots of T1 Transgenic Plants. pgr 2022; 9 (1) :27-42 URL: http://pgr.lu.ac.ir/article-1-240-en.html
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