Directed Mutagenesis and Plasmid-Based Complementation in the Methanogenic Archaeon Methanosarcina acetivorans C2A Demonstrated by Genetic Analysis of Proline Biosynthesis

Author:

Zhang Jun Kai1,White Andrea K.1,Kuettner H. Craig1,Boccazzi Paolo1,Metcalf William W.1

Affiliation:

1. Department of Microbiology, University of Illinois, Urbana, Illinois 61801

Abstract

ABSTRACT We report here the first use of directed mutagenesis in Methanosarcina acetivorans C2A. The method employs homologous recombination-mediated gene replacement and was used to construct a variety of proline auxotrophs with mutations in the proABC locus. Each mutation was also complemented in trans with autonomously replicating Methanosarcina - Escherichia plasmid shuttle vectors.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference24 articles.

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4. Brosius, J. 1989. Superpolylinkers in cloning and expression vectors. DNA8:759-777.

5. Csonka, L. N., and A. Baich. 1983. Proline biosynthesis, p. 35-51. In K. M. Herrmann and R. L. Somerville (ed.), Amino acids: biosynthesis and genetic regulation. Addison-Wesley, Reading, Mass.

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