Abstract
1Mycoplasma Section, Frederick Cancer Research and Development Center, National Institute of Allergy and Infectious Diseases, Frederick, Maryland 21702
2Laboratoire de Biologie Cellulaire et Moléculaire, Institut National de la Recherche Agronomique and University of Bordeaux II, 33883 Villenave-d'Ornon Cedex, France
3Insect Biocontrol Laboratory, U.S. Department of Agriculture, Beltsville, Maryland 20705