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Filtering by: Committee Member Arnold, Stevan J. Remove constraint Committee Member: Arnold, Stevan J. Date 2009 Remove constraint Date: 2009 Resource Type Dissertation Remove constraint Resource Type: Dissertation

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Adaptive diversity and divergence at frog antimicrobial peptide loci

Creator:

Tennessen, Jacob A.

Abstract:

In this dissertation I study evolutionary patterns at genes encoding antimicrobial peptides (AMPs) in frogs. AMPs are short, amphipathic, cationic, secreted proteins that kill bacteria and other pathogens through a non-catalytic mechanism that involves binding to and disrupting the microbial cell membrane. In many animal taxa, positive selection is much...

Resource Type:

Dissertation
Chemical cues and the molecular basis of olfactory chemoreception in caudate amphibians

Creator:

Kiemnec, Karen M.

Abstract:

Chemoreception is one of the dominant sensory modalities for many species of salamanders (reviewed in Chapter 2). At least seven of the ten currently recognized salamander families are known to respond to some sort of chemical cue. These responses are as varied as delaying hatching, seeking refuge, or initiating aggressive...

Resource Type:

Dissertation
Larval dispersal in marine fishes: novel methods reveal patterns of self-recruitment and population connectivity

Creator:

Christie, Mark R.

Abstract:

Many marine fish populations are severely declining due to over-fishing, loss of both juvenile and adult habitats, and accelerating environmental degradation. Fisheries management and the implementation of marine protected areas (MPAs) and other conservation tools are currently hindered by large gaps in knowledge about larval dispersal and its subsequent effects...

Resource Type:

Dissertation
Selection on larval and adult body size in a marine fish: potential evolutionary responses and effects on population dynamics

Creator:

Johnson, Darren W.

Abstract:

Many species have complex life cycles in which a dispersive larval stage is followed by a relatively sedentary adult stage. For such species, reproductive output is often high and large variation in survivorship throughout early life-history phases (eggs and larvae) can lead to dramatic fluctuations in recruitment which may in...

Resource Type:

Dissertation

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Academic Affiliation

Zoology4

Advisor

Hixon, Mark A.2
Blouin, Michael S.1
Houck, Lynne D.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2009 to 2010

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Committee Member

Arnold, Stevan J.[remove]4
Banks, Michael A.1
Bartholomew, Jerri L.1
Blouin, Michael S.1
Heppell, Selina1
more Committee Members »

Creator

Christie, Mark R.1
Johnson, Darren W.1
Kiemnec, Karen M.1
Tennessen, Jacob A.1

Date

2009[remove]4

Decade

2000-20094

Degree Field

Zoology4

Degree Level

Doctoral4

Degree Name

Doctor of Philosophy (Ph.D.)4

Language

English [eng]4

License

All rights reserved4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation[remove]4

Rights Statement

In Copyright4

Subject

Chemoreceptors1
Courtship in animals1
Leopard frogs -- Evolution1
Leopard frogs -- Genetics1
Natural selection1
more Subjects »

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