Abstract
1 Mycoplasma Section, Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, Frederick Cane Research Facility, Frederick, Maryland 21702
2 Rocky Mountain Laboratory, National Institute of Allergy and Infectious Diseases, Hamilton, Montana 59840
3 Laboratoire de Biologie Cellulaire et Moléculaire, Institut Nationale de la Recherche Agronomique, and Université Bordeaux II, 33883 Villenave d'Ornon, France
4 Department of Anatomical Sciences, State University of New York, Stony Brook, New York 11794
5 Insect Pathology Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, Maryland 20705