Wall-less prokaryotes from fall flowers in central United States and Maryland |
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| Authors: | Robert F. Whitcomb Joseph G. Tully David L. Rose Edward B. Stephens Alexis Smith Randolph E. McCoy Michael F. Barile |
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| Affiliation: | (1) Insect Pathology Laboratory, Plant Protection Institute, Agricultural Research, Science and Education Administration, U.S. Department of Agriculture, Building 465. Beltsville Agricultural Research Center-East, 20705 Belltsville, Maryland, USA;(2) Mycoplasma Section, Laboratory of Molecular Micribiology, National Institute of Allergy and Infectious Disearses, Building 550, Frederick Cancer Research Center, 21701 Frederick, Maryland, USA;(3) Mycoplasma Branch, Division of Bacterial Products, Bureau of Biologics, Food and Drug Administration, 20205 Bethesda, Maryland, USA;(4) Ariculture Research Center, University of Florida, 3205 S.W. College Avenue, 33314 Fort Lauderdale, Florida, USA |
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| Abstract: | Four spiroplasma strains and eleven isolates tentatively identified as acholeplasmas were obtained from fall flowers in Colorado, Nebraska, Illinois, and Maryland. Although the acholeplasma isolates were heterogeneous, all showed antigenic sharing with a group of unnamed organisms (L1 and related strains) isolated in othe studies from flowers in Florida. The W20 and W24 isolates from Nebraska were partially related to the L1 group by DNA-DNA homology and polyacrylamide gel electrophoresis (PAGE) analyses. A Colorado spiroplasma (W13) was identifed as a new strain of group IV complex. Three spiroplasma strains from flowers in Maryland  old fields represent a new serovar with closest affinity to subgroup I-4 and to the LB12 and N525 serovars of group I. Widespread occurrence of acholeplasmas on flowers in this study, and on plant surfaces in general, suggests that, like spiroplasmas they probably will be found to reside in arthropods. |
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