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Isozyme Characterization of Ascosphaerales Associated with Bees. I. Ascosphaera apis, Ascosphaera proliperda, and Ascosphaera aggregata

Hassan A. Maghrabi and Leslie P. Kish
Mycologia
Vol. 77, No. 3 (May - Jun., 1985), pp. 358-365
DOI: 10.2307/3793191
Stable URL: http://www.jstor.org/stable/3793191
Page Count: 8
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Isozyme Characterization of Ascosphaerales Associated with Bees. I. Ascosphaera apis, Ascosphaera proliperda, and Ascosphaera aggregata
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Abstract

Acrylamide gel electrophoretic studies were conducted to characterize three chalkbrood fungi associated with bees. Of 28 enzyme assays, acrylamide gel electrophoresis detected 12 enzymes and 285 isozymes. Indices of genetic identity and genetic distance were computed. Proteins showed distinct isozyme profiles. Intraspecific genetic similarities were greater than interspecific ones, but some intraspecific variation was also apparent. Esterase isozyme patterns of chalkbrood fungi, isolated from the alfalfa leafcutting bee in the western United States, were identical to those of Ascosphaera aggregata. Isozyme patterns of A. apis, A. proliperda, and A. aggregata support the current concept of three separate species.

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