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    Discrimination Between Two Types Of Freshwater Sponges Using Allozyme Electrophoresis

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    1998_ClarkT_THS_000308.pdf (1.475Mb)
    Author
    Clark, Tricia
    Advisor
    John Addis; Guido Bugni; Joan Stottlemyer
    Date of Issue
    1998-04-01
    Subject Keywords
    freshwater sponge, species, allozyme electrophoresis
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    URI
    https://scholars.carroll.edu/handle/20.500.12647/2887
    Title
    Discrimination Between Two Types Of Freshwater Sponges Using Allozyme Electrophoresis
    Type
    thesis
    Abstract
    Allozyme electrophoresis was used to discriminate between two types of freshwater sponges that previously could not be distinguished using morphological criteria. One of these types was a well-characterized species, Ephydatia muelleri, whereas the other could not be identified because of an absence of gemmules and gemmoscleres, structures on which classification of freshwater sponges largely depends. Homogenates prepared from five individuals of each sponge type were electrophoresed in cellulose acetate gels. The gels were then stained to localize bands of enzyme activity. Analyzing the stained gels revealed migration rates of hexokinase and sorbitol dehydrogenase that differed between the two sponge types. The absence of any electrophoretic bands common to the two sponge types argues that the sponges are different species.
    Degree Awarded
    Bachelor's
    Semester
    Spring
    Department
    Life & Environmental Sciences
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    • Life and Environmental Sciences Undergraduate Theses

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