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Filtering by: Creator Bekins, Barbara A. License Attribution 3.0 United States

Ultraviolet Radiation Influences Perch Selection by a Neotropical Poison-Dart Frog

Creator:

Kats, Lee B., Bucciarelli, Gary M., Schlais, David E., Blaustein, Andrew R., and Han, Barbara A.

Abstract:

Ambient ultraviolet-B radiation can harm amphibian eggs, larvae and adults. However, some amphibians avoid UV-B radiation when given the opportunity. The strawberry poison dart frog, Oophaga pumilio, is diurnal and males vocalize throughout the day in light gaps under forest canopies that expose them to solar radiation. Previous studies have...

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Article

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. Blaustein3, Barbara A. Han4 1 Natural Science Division, Pepperdine University, Malibu, California, United
Footprint of Positive Selection in Treponema pallidum subsp. pallidum Genome Sequences Suggests Adaptive Microevolution of the Syphilis Pathogen

Creator:

Giacani, Lorenzo, Chattopadhyay, Sujay, Centurion-Lara, Arturo, Jeffrey, BrendanM., Le, Hoavan T., Molini, Barbara J., Lukehart, Sheila A., Sokurenko, Evgeni V., and Rockey, Daniel D.

Abstract:

In the rabbit model of syphilis, infection phenotypes associated with the Nichols and Chicago strains of Treponema pallidum (T. pallidum), though similar, are not identical. Between these strains, significant differences are found in expression of, and antibody responses to some candidate virulence factors, suggesting the existence of functional genetic differences...

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Article

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Giacani1*., Sujay Chattopadhyay2., Arturo Centurion-Lara1, Brendan M. Jeffrey3, Hoavan T. Le1, Barbara J

ScholarsArchive@OSU

Ultraviolet Radiation Influences Perch Selection by a Neotropical Poison-Dart Frog

Footprint of Positive Selection in Treponema pallidum subsp. pallidum Genome Sequences Suggests Adaptive Microevolution of the Syphilis Pathogen

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