Physiological host specificity of microsporidia as an indicator of ecological host specificity

Journal of Invertebrate Pathology
Leellen F Solter, J V Maddox

Abstract

For most groups of biological control agents the relationship between laboratory (physiological) host range and the host range in the field (ecological host range) has not been explored empirically. The objective of our study was to investigate this relationship using the North America gypsy moth, Lymantria dispar, as a model nontarget host for microsporidia from native North American Lepidoptera. The gypsy moth, L. dispar, a native of Europe, has been established in North America for nearly 130 years and presumably exposed to many species of microsporidia from sympatric native Lepidoptera. Nevertheless, microsporidia have never been observed in North American populations of L. dispar. We conducted traditional laboratory feeding experiments using microsporidia from 20 lepidopteran host species and 1 coleopteran host species against L. dispar. Microsporidia from 18 native hosts infected L. dispar larvae. Although some of the infections were not typical of infections in the indigenous natural hosts, mature spores were produced in most of these infections. Horizontal transmission experiments, based on exposure of uninfected L. dispar larvae to infected L. dispar larvae, demonstrated that the microsporidia were far more host specif...Continue Reading

Citations

Dec 10, 2009·Parasitology·J E Smith
Dec 14, 2004·Eukaryotic Cell·Patrick J Keeling, Claudio H Slamovits
Oct 15, 2013·Evolution; International Journal of Organic Evolution·Pepijn LuijckxDieter Ebert
Jul 6, 2010·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·L KrebesR Bastrop
May 4, 2010·Journal of Invertebrate Pathology·Leellen F SolterJulius Novotný
Apr 22, 2003·Evolution; International Journal of Organic Evolution·Steve J Perlman, John Jaenike
Feb 7, 2008·The Journal of Eukaryotic Microbiology·George Kyei-PokuKees van Frankenhuyzen
Dec 8, 2004·Journal of Invertebrate Pathology·Dörte GoertzAndreas Linde
Jul 26, 2005·Journal of Invertebrate Pathology·Jaroslav Weiser
Jul 16, 2013·International Journal for Parasitology·Nicolas O RodeThomas Lenormand
Jun 10, 2004·Current Biology : CB·Claudio H SlamovitsPatrick J Keeling

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