Adaptive Variation and Coevolution in California Ground Squirrel (Spermophilus Beecheyi) and Rock Squirrel (Spermophilus Variegatus) Resistance to Rattlesnake Venom PDF Download
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Author: James Eric Biardi
Publisher:
ISBN:
Category :
Languages : en
Pages : 280
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Author: James Eric Biardi
Publisher:
ISBN:
Category :
Languages : en
Pages : 280
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Author: Naomie Shlomit Poran
Publisher:
ISBN:
Category :
Languages : en
Pages : 152
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Author: Carl H. Ernst
Publisher: JHU Press
ISBN: 0801898757
Category : Nature
Languages : en
Pages : 389
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Book Description
The first volume contains species accounts of the venomous lizards and elapid and viperid snakes found north of Mexico's twenty-fifth parallel. Volume two covers the twenty-one species of rattlesnakes found in the United States, Canada, and northern Mexico.
Author: Alyssa Hassinger
Publisher:
ISBN:
Category : California ground squirrel
Languages : en
Pages : 79
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Book Description
Understanding the molecular basis of adaptations in coevolving species is an important goal of evolutionary biology. Venom in predators and venom resistance proteins in prey are examples of such coevolving molecular phenotypes. In my thesis, I investigate two molecular traits that are important in coevolutionary interactions between the northern Pacific rattlesnake (Crotalus oreganus oreganus) and its primary prey item, the California ground squirrel (Otospermophilus beecheyi). In Chapter 1, I briefly introduce the topics of my thesis research by reviewing how population-level variation in venom protein composition and metalloprotease activity has been established in C. o. oreganus and that there is evidence of O. beecheyi evolving resistance in response to the sympatric predator. In Chapter 2, I further characterize venom activity through in vitro tests of enzymatic activity to assess functional differences between 12 populations of C. o. oreganus and investigate what the possible causes of this variation might be. My results support the conclusions of other studies that there is population-level variation in venom function but the proximate and ultimate causes for this functional variation remain unclear. In Chapter 3, I generate a transcriptome for O. beecheyi and run this transcriptome through a series of filters to identify genes that code for potential venom resistance proteins. My work provides a reference transcriptome for future work and I identify 5 proteins that pass all filters for potential resistance proteins. Overall, my thesis provides more detail on functional variation within rattlesnakes and lays out a genetic framework for the evolution of resistance proteins within ground squirrels. In combination my work sets the stage for future detailed work focused on understanding coevolutionary interactions at the molecular level between ground squirrels and rattlesnakes.
Author: Anne Lela Fullerton Hanson
Publisher:
ISBN:
Category :
Languages : en
Pages : 330
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Author: Barbara Ann Clucas
Publisher:
ISBN:
Category :
Languages : en
Pages : 232
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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 830
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Author: Aaron Stuart Rundus
Publisher:
ISBN:
Category :
Languages : en
Pages : 204
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Author: Diane E. Boellstorff
Publisher:
ISBN:
Category :
Languages : en
Pages : 224
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Author:
Publisher:
ISBN:
Category : Biology
Languages : en
Pages : 544
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