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GEOGRAPHIC VARIATION IN POST-MATING IMMUNE GENE EXPRESSION INDROSOPHILA MELANOGASTER

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Date Issued:
2010
Abstract/Description:
An organism's immune response may vary due to pathogen pressure in its environment, as well as due to interactions with other organisms. These factors, along with geographic rules (i.e. Gloger's rule) may influence the geographic distribution of the immune response within populations of a species. Here we use real-time quantitative PCR to measure the immune gene expression in six populations collected along the eastern U.S. of Drosophila melanogaster after mating. Antimicrobial genes did not show significant differences in expression due to location, whereas we did observe differences in anti-fungal and pro-phenoloxidase (anti-macromolecule) related genes. These differences in anti-macromolecule resistance are correlated with the latitude of the population opposite of which we would expect by Gloger's rule. We also determined that males and females from different populations tended to drive the differences we detected. Taken together, these results suggest that geographic factors influence genes involved in fungal and macro-pathogens defense post-mating.
Title: GEOGRAPHIC VARIATION IN POST-MATING IMMUNE GENE EXPRESSION INDROSOPHILA MELANOGASTER.
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Name(s): Pinzone, Cheryl, Author
Fedorka, Kenneth, Committee Chair
University of Central Florida, Degree Grantor
Type of Resource: text
Date Issued: 2010
Publisher: University of Central Florida
Language(s): English
Abstract/Description: An organism's immune response may vary due to pathogen pressure in its environment, as well as due to interactions with other organisms. These factors, along with geographic rules (i.e. Gloger's rule) may influence the geographic distribution of the immune response within populations of a species. Here we use real-time quantitative PCR to measure the immune gene expression in six populations collected along the eastern U.S. of Drosophila melanogaster after mating. Antimicrobial genes did not show significant differences in expression due to location, whereas we did observe differences in anti-fungal and pro-phenoloxidase (anti-macromolecule) related genes. These differences in anti-macromolecule resistance are correlated with the latitude of the population opposite of which we would expect by Gloger's rule. We also determined that males and females from different populations tended to drive the differences we detected. Taken together, these results suggest that geographic factors influence genes involved in fungal and macro-pathogens defense post-mating.
Identifier: CFE0003159 (IID), ucf:48617 (fedora)
Note(s): 2010-05-01
M.S.
Sciences, Department of Biology
Masters
This record was generated from author submitted information.
Subject(s): Mating
Immunity
Drosophila
Gloger's Rule
pigmentation
prophenoloxidase
Persistent Link to This Record: http://purl.flvc.org/ucf/fd/CFE0003159
Restrictions on Access: public
Host Institution: UCF

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