We tested whether host fish that acquired resistance to glochidia of one mussel species were cross-resistant to glochidia of other species. Largemouth bass (Micropterus salmoides) were primed with 4–5 successive infections of glochidia of Lampsilis reeveiana. The percentage of attached glochidia that survived and transformed to the juvenile stage (transformation success) was compared between primed fish and naïve controls. Transformation success of L. reeveiana, Lampsilis abrupta, Villosa iris, and Utterbackia imbecillis was significantly lower on primed fish (37.8%, 43.5%, 67.0%, and 13.2%, respectively) than on control fish (89.0%, 89.7%, 90.0%, and 22.2% respectively). Immunoblotting was used to analyze the binding of serum antibodies from primed fish with glochidia proteins. Antibodies bound to glochidia proteins of similar molecular weight from L. reeveiana and L. abrupta. Bound proteins of V. iris differed in molecular weight from those of the Lampsilis species. There was no binding to specific glochidia proteins of U. imbecillis or Strophitus undulatus. Our results indicate that host-acquired resistance can extend across mussel genera and subfamilies and might involve both specific and nonspecific mechanisms. Understanding the specificity of acquired resistance of hosts to glochidia could enhance understanding of the evolutionary and ecological relationships between mussels and their host fishes.
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October 2005
Research Article|
October 01 2005
CROSS-RESISTANCE OF LARGEMOUTH BASS TO GLOCHIDIA OF UNIONID MUSSELS
Benjamin J. Dodd
;
Benjamin J. Dodd
Department of Biology, Missouri State University, Springfield, Missouri 65804. chrisbarnhart@missouristate.edu
* Present address: Iowa Department of Natural Resources, Fisheries Research Station, Chariton, Iowa 50049
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M. Christopher Barnhart
;
M. Christopher Barnhart
Department of Biology, Missouri State University, Springfield, Missouri 65804. chrisbarnhart@missouristate.edu
† To whom correspondence should be addressed
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Constance L. Rogers-Lowery
;
Constance L. Rogers-Lowery
Department of Biology, Missouri State University, Springfield, Missouri 65804. chrisbarnhart@missouristate.edu
‡ Department of Biology, Wake Forest University, Winston-Salem, North Carolina 27109
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Todd B. Fobian
;
Todd B. Fobian
Department of Biology, Missouri State University, Springfield, Missouri 65804. chrisbarnhart@missouristate.edu
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Ronald V. Dimock, Jr
Ronald V. Dimock, Jr
Department of Biology, Missouri State University, Springfield, Missouri 65804. chrisbarnhart@missouristate.edu
‡ Department of Biology, Wake Forest University, Winston-Salem, North Carolina 27109
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J Parasitol (2005) 91 (5): 1064–1072.
Citation
Benjamin J. Dodd, M. Christopher Barnhart, Constance L. Rogers-Lowery, Todd B. Fobian, Ronald V. Dimock; CROSS-RESISTANCE OF LARGEMOUTH BASS TO GLOCHIDIA OF UNIONID MUSSELS. J Parasitol 1 October 2005; 91 (5): 1064–1072. doi: https://doi.org/10.1645/GE-511R.1
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