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Impacts of landscape and past climate on patterns of hybridization and genetic diversity in Plestiodon tetragrammus and P. multivirgatus
(2021-03-26)
Past hybridization plays an important role in evolution of taxa. We use multiple phylogenetic approaches including single gene sequencing and high-through put sequencing to address the effects of past hybridization in the ...
Completion of RLE LINE Integration Involves an Open "4-Way" Branched DNA Intermediate
(2020-05-29)
Long Interspersed Elements (LINEs), also known as non-LTR retrotransposons, encode a multifunctional protein that reverse transcribes its mRNA into DNA at the site of insertion by target primed reverse transcription. The ...
ELUCIDATING THE MOLECULAR GENETIC BASIS OF BEHAVIORS RELATED TO THE LOSER EFFECT
(2022-09-01)
Across the animal kingdom, when individuals experience social defeat (losing an aggressive conflict with a conspecific), it elicits stereotypical loser behavior such as isolation or submissiveness. In many species, social ...
INVESTIGATING GENE EXPRESSION CHANGES IN DAPHNIA: THE ROLE OF EMS-INDUCED MUTATIONS AND REPRODUCTIVE MODES
(2022-08-03)
Gene expression variation is a common source of phenotypic variation between species. Understanding how changes in gene expression are associated with a particular phenotype will aid in understanding the molecular basis ...
GENOMIC STRUCTURE AND DIVERSITY IN NEOTROPICAL HERPETOFAUNA: THE ROLE OF DEMOGRAPHIC HISTORY AND GENE FLOW
(2021-08-03)
The effects of genetic introgression on species boundaries and how they affect species’ integrity and persistence over evolutionary time have received increased attention. The increasing availability of genomic data has ...
TRANSCRIPTOMIC SIGNAL OF REPRODUCTIVE MODES AND EARLY SPECIATION IN DAPHNIA PULEX-PULICARIA SYSTEM
(2022-12-16)
Daphnia have been gaining recognition as a key model system for studies of evolution, ecology, toxicology, and more recently genomics. The defining characteristic of this particular model system is its phenotypic plasticity ...
Combating Bacterial Infections with In-Situ Detection and Antibiotic Technology
(2020-08-10)
Currently, there is a looming crisis in the field of antibacterial drug therapy. The emergence of antibacterial drug resistance because of poor antibacterial stewardship, coupled with booming elderly populations, economic ...
THE EVOLUTION OF LIFE HISTORIES AND PHENOTYPIC PLASTICITY ACROSS ENVIRONMENTAL GRADIENTS IN DAPHNIA SP.
(2020-08-11)
Understanding how environmentally-induced variation ultimately leads to speciation is a main component of evolutionary ecology. This dissertation uses Daphnia in experimental and comparative studies to address several ...
TAXONOMY, SYSTEMATICS, BIOGEOGRAPHY, AND CONSERVATION OF TOADS (ANURA: BUFONIDAE) IN THE SUNDA SHELF OF INDONESIA
(2020-09-04)
After Van Kampen’s 1905–1911 visit to Indonesia culminating in his Amphibians of the Indo-Australian Archipelago (1923), there has been no extensive herpetological exploration and compendium for Indonesia, particularly for ...
Ensemble and Consensus Species Distribution Modeling Approaches Applied to Freshwater Fish
(2020-05-19)
The field of species distribution modeling has expanded rapidly over the past two decades along with increasing computing capability and the introduction of novel analytical techniques. SDMs relate species occurrence to ...