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Sequence analysis of Spiroplasma phoeniceum and Spiroplasma kunkelii spiralin genes and comparison with other
X Foissac1, J M Bové, C Saillard
1Laboratoire de Biologie Cellulaire et Moléculaire, Institut National de la Recherche Agronomique and Université de Bordeaux II, Domaine de la Grande Ferrade, BP 81, 33883 Villenave d'Ornon cedex, France.
Current Microbiology
|October 1, 1997
Abstract:
The spiralin genes from two phytopathogenic spiroplasmas, Spiroplasma phoeniceum and Spiroplasma kunkelii, were amplified by PCR, cloned, and sequenced. Comparison of the amino acid sequences of the five spiralins analyzed to date confirm that the spiralins have a general amphiphilic character and possess a conserved lipoprotein signal peptide. It also shows that a conserved central region and an amino acid repetition, including a VTKXE consensus sequence, are present in all spiralins analyzed.