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Journal of Bacteriology, July 2005, p. 5019-5022, Vol. 187, No. 14
0021-9193/05/$08.00+0     doi:10.1128/JB.187.14.5019-5022.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

The Gene Encoding the Glutamate Dehydrogenase in Lactococcus lactis Is Part of a Remnant Tn3 Transposon Carried by a Large Plasmid

Catherine Tanous,1 Emilie Chambellon,1 Anne-Marie Sepulchre,2 and Mireille Yvon1*

Institut National de la Recherche Agronomique, Unité de Biochimie et Structure des Protéines, 78352 Jouy-en-Josas, France,1 DANISCO, ZA de Buxières, BP10, F-86220 Dangé-Saint-Romain, France2

Received 1 March 2005/ Accepted 18 April 2005

The gene responsible for the uncommon glutamate dehydrogenase (GDH) activity of Lactococcus lactis was identified and characterized. It encodes a GDH of family I that is mainly active in glutamate biosynthesis, is carried by a large plasmid, and is included, with functional cadmium resistance genes, in a remnant Tn3-like transposon.

* Corresponding author. Mailing address: INRA, Unité de Biochimie et Structure des Protéines, 78352 Jouy-en-Josas, France. Phone: 33 1 34 65 21 59. Fax: 33 1 34 65 21 63. E-mail: mireille.yvon{at}jouy.inra.fr.

Journal of Bacteriology, July 2005, p. 5019-5022, Vol. 187, No. 14
0021-9193/05/$08.00+0     doi:10.1128/JB.187.14.5019-5022.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Tanous, C., Chambellon, E., Yvon, M. (2007). Sequence analysis of the mobilizable lactococcal plasmid pGdh442 encoding glutamate dehydrogenase activity. Microbiology 153: 1664-1675 [Abstract] [Full Text]  
  • Tanous, C., Chambellon, E., Le Bars, D., Delespaul, G., Yvon, M. (2006). Glutamate Dehydrogenase Activity Can Be Transmitted Naturally to Lactococcus lactis Strains To Stimulate Amino Acid Conversion to Aroma Compounds. Appl. Environ. Microbiol. 72: 1402-1409 [Abstract] [Full Text]  


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