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Journal of Bacteriology, September 2008, p. 6026-6029, Vol. 190, No. 17
0021-9193/08/$08.00+0     doi:10.1128/JB.00525-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

The Striking Case of Tryptophan Provision in the Cedar Aphid Cinara cedri{triangledown} ,{dagger}

María José Gosalbes,{ddagger} Araceli Lamelas,{ddagger} Andrés Moya, and Amparo Latorre*

Institut Cavanilles de Biodiversitat i Biologia Evolutiva, Universitat de València, Apartado de Correos 2085, 46071 Valencia, Spain

Received 17 April 2008/ Accepted 18 June 2008

Buchnera aphidicola BCc has lost its symbiotic role as the tryptophan supplier to the aphid Cinara cedri. We report the presence of a plasmid in this endosymbiont that contains the trpEG genes. The remaining genes for the pathway (trpDCBA) are located on the chromosome of the secondary endosymbiont "Candidatus Serratia symbiotica." Thus, we propose that a symbiotic consortium is necessary to provide tryptophan.

* Corresponding author. Mailing address: Institut Cavanilles de Biodiversitat i Biologia Evolutiva, Universitat de València, Apartado de Correos 2085, 46071 Valencia, Spain. Phone: (34) 963543649. Fax: (34) 963543670. E-mail: amparo.latorre{at}uv.es

{triangledown} Published ahead of print on 27 June 2008.

{dagger} Supplemental material for this article may be found at http://jb.asm.org/.

{ddagger} M. J. Gosalbes and A. Lamelas contributed equally to this study.

Journal of Bacteriology, September 2008, p. 6026-6029, Vol. 190, No. 17
0021-9193/08/$08.00+0     doi:10.1128/JB.00525-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Toft, C., Fares, M. A. (2009). Selection for Translational Robustness in Buchnera aphidicola, Endosymbiotic Bacteria of Aphids. Mol Biol Evol 26: 743-751 [Abstract] [Full Text]  


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