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I: OVERVIEW
Our research focuses on a central question in biology: how do major phenotypic novelties originate and diversify in nature. In particular we are interested in the ecological, developmental, and genetic mechanisms, and the interactions between them, that drive evolutionary innovation and diversification. To approach these issues from a variety of perspectives and at different levels of biological organization we use approaches ranging from molecular developmental biology and genomics to quantitative genetics, comparative endocrinology, and behavioral ecology. Below is a summary of our current research foci alongside projects which we are pursueing through collaborations with other researchers.
 

HORNED BEETLES AND BEETLE HORNS

A: EVOLUTIONARY DEVELOPMENTAL GENETICS

B: EVOLUTIONARY GENOMICS (in collaboration with Justen Andrews, IU Bloomington)

C: COMPARATIVE PROTEOMICS (in collaboration with Yoram Yerushalmi, Oranim College, Haifa, Israel)

D: COMPARATIVE ENDOCRINOLOGY OF JUVENILE HORMONE AND JUVENILE HORMONE ESTERASE (in collaboration with Mary Ann Rankin and Tina Taub-Montemayor, U Austin)

E: ALLOMETRIC DIVERGENCE AND SPECIATION (in collaboration with Astrid Pizzo and Antonio Rolando, University of Turin, Italy)

F: RECIPROCAL EVOLUTION OF PRIMARY AND SECONDARY SEXUAL TRAITS IN ONTHOPHAGUS BEETLES

 

OTHER ORGANISMS

G: EVOLUTION AND DEVELOPMENT OF BIOLUMINESCENCE IN FIREFLIES (LAMPYRIDAE)

H: EVOLUTION OF CASTE ALLOMETRIES IN NATIVE AND EXOTIC TERMITE POPULATIONS (in collaboration with Claudia Husseneder, LSU)