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Cloning of poly (3-Hydroxybutyrate) synthesis genes from Azotobacter vinelandii into Escherichia coli

AUTHORS

Hamid Galehdari 1 , * , Sara Alaee 2 , Maisam Mirzaee 2

1 Department of Genetics, Faculty of Science, Shahid Chamran University of Ahvaz, Galehdari187@yahoo.com, Iran

2 Department of Genetics, Faculty of Science, Shahid Chamran University of Ahvaz, Iran

How to Cite: Galehdari H, Alaee S, Mirzaee M. Cloning of poly (3-Hydroxybutyrate) synthesis genes from Azotobacter vinelandii into Escherichia coli, Jundishapur J Microbiol. Online ahead of Print ; 2(1):31-35.

ARTICLE INFORMATION

Jundishapur Journal of Microbiology: 2 (1); 31-35
Article Type: Research Article
Received: September 1, 2008
Accepted: March 1, 2009

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Abstract

The Azotobacter vinelandii is an aerobic, nitrogen-fixing bacterium with the ability to accumulate polyesters such as poly (3-hydroxybutyrate), a particular group of the polyhydroxyalkanoates (pha), when will be cultivated on several carbon sources, including sucrose. Although the capacity of Azotobacter strains to accumulate polyesters is well known, and the genes responsible for their synthesis have recently been identified. However, high production costs have hindered the use of polyhydroxyalkanoates as bioplastics, since their final price is considerably high. The phb gene clusters including phbBAC genes can alternatively be cloned and expressed in the Escherichia coli with the goal to produce high cell density cultivation. We amplified separately the phbB, phbA and phbC genes from extracted Azotobacter genome with the designed primers and could clone the fragments in the cloning vector pCR 2.1- TOPO with the subsequent transformation of E. coli strain DH5α.

Keywords

Azotobacter vinelandii, Recombinant Escherichia coli, phb gene cluster, poly (3-hydroxybutyrate)

© 0, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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