Studying the evolution of traits, species and their conservation
Liliana M. Dávalos is Professor of Conservation Biology at Stony Brook University’s Department of Ecology and Evolution. Her research interests include molecular evolution, phylogenetics and tropical biology. She leads the Tropical Biology group, which studies extinction and survival in deep time, functional genetics in non-model mammals, and deforestation.
PhD in Ecology, Evolution,and Environmental Biology, 2004
Columbia University (New York, New York)
Certificate in Environmental Policy Studies, 2001
Columbia University (New York, New York)
BSc in Biology (emphasis on Genetics), 1997
Universidad del Valle (Cali, Colombia)
Taught evolution and researched molecular ecology
To investigate evolution and mechanisms of seasonal reversible size changes in a mammal.See notice
For outstanding teaching and true caring for students.
Symposia bring together outstanding young scientists to discuss exciting advances and opportunities in a broad range of disciplines.See profile
Data available to new students. Why are bats so likely to carry coronaviruses, yet seem little affected by them? Many studies have focused on their immune system, but there is much to learn about the cells viruses attack upon entry.
Data available to new students. All aspects of society have been upended by COVID-19. While most research has understandably focused on clinical applications, how the ancestors of SARS-CoV2 survive and circulate in nature is vital to both prevent future epidemics and help health professionals develop therapeutic treatments.
In support of RA Kristjan Mets. While scientific reaction to the COVID-19 pandemic has been swift, the risk of SARS-CoV-2 spilling back into native North American wildlife and feral domestic animals remains underexplored. Experimental infections of a variety of hosts, serological analyses of the cats in Wuhan, and cases of COVID-19 among tigers and lions in the Bronx Zoo, all have shown transmission back to wildlife and feral cats is highly probable. Tools are urgently needed to determine which of these animal populations are at greatest risk of establishing a native reservoir, and where the overlap with human populations is greatest. We propose to model the risk of spillover to animal populations and conversely the risk of future secondary spillover by combining models of molecular interaction between the virus and potential hosts, with multi- species Susceptible-Infectious-Recovered (SIR) models. Complementing decades of experience in vertebrate genomics (Dávalos) with expertise in epidemiology (Meliker), and spatial dynamics of wildlife disease (Mets), ours is the ideal team to quickly generate and test the necessary models to avert this risk.
New students welcome! To answer the question of how the shrew shrinks and then regrows its brain, we will establish this unusual species as a new model, by studying the biological, molecular, biochemical and genetic processes behind this reversible size change.
We propose to develop a cross-scale research program that focuses on the relationships between phylogenetic diversity, genetic diversity and functional diversity of a biologically and economically important taxonomic group; bats.
Data available for new students. We assembled a group of socio-environmental scientists to analyze and model the natural and human factors that determine the extinction and resilience of insular vertebrate fauna and leverage this understanding into metrics for use in conservation assessments.
Data available to new students. This project focuses on pairs of closely related bat species that sharply differ in their longevity. Detailed genome comparisons between closely related species with different life spans will test different theories of aging.
This training program responds to the challenges of new careers at teh interface between science and decision making with an interdisciplinary set of new courses and a suite of activities united by the theme of “Scientific Training and Research to Inform DEcisions” (STRIDE).
Data available to new students. The project focuses on a relatively unexplored yet crucial aspect of plant-animal mutualisms; volatile chemical communication between plants and vertebrate frugivores.
Data available to new students. This project focuses on a diverse group of tropical bats in which various species evolved acute, specialized hearing, supersensitive eyes, the ability to smell subtle plant chemicals, or highly developed vomeronasal systems (thought to contribute to mating and social hierarchy).
Does not admit new students. The goal of this project was to discover the mechanisms underlying the survival of remnant populations in the WNS-affected area.
Does not admit new students. Noctilionoid bats comprise more than 200 species that span the entire ecological diversity of land mammals. They range from tiny insectivores and nectarivores to large carnivores, and even vampire bats. This is an unparalleled system for understanding how, when, and where bats evolved new diets, changed roosting habits and developed different kinds of echolocation. Together with the N. B. Simmons Lab, we are generating species-level phylogenies using molecular and morphological data, and including fossils of >20 extinct species. These phylogenies provide frameworks for investigating patterns and processes of ecological adaptation, speciation, and extinction across a hyperdiverse group of mammals.