Elizabeth Mallott, PhD

Assistant Professor

Evolution, Ecology and Population Biology Program
Plant and Microbial Biosciences Program
Molecular Microbiology and Microbial Pathogenesis Program

  • mallott@wustl.edu

  • https://mallott-lab.github.io/

  • How the environment shapes host-associated microbial communities both within and across species

Research Abstract:

Our research examines how the environment shapes host-associated microbial communities both within and across species. We are particularly interested in how the response of the gut microbiome to external factors might contribute to host health and fitness. Our current projects include:

The influence of environmental pollutants on human gut microbiomes in collaboration with the Southern Community Cohort Study

Interactions between the environment, parasite burden, and the human gut microbiome in collaboration with the Rural Embodiment and Child Health Study

Examining changes in the gut microbiome across reproduction in wild nonhuman primates

A comparative study of gut microbial SCFA metabolism across the primate order

Selected Publications:


EK Mallott. Individualized composition or community dynamics? A new statistical approach to assess the individuality of host-associated microbiomes. Proceedings of the Royal Society B 289: 20221794. DOI: 10.1098/rspb.2022.1794.

J Li*, RHG Markowitz*, AW Brooks*, EK Mallott*, BA Leigh, T Olszewski, H Zare, M Bagheri, HM Smith, KA Friese, I Habibi, WM Lawrence, CL Rost, A Lédeczi, AM Eeds, JF Ferguson, HJ Silver, SR Bordenstein. Ethnicity dominates a short-term dietary intervention in shaping microbiomes and viromes. PLoS Biology 20: e3001758. DOI: 10.1371/journal.pbio.3001758/. *Equal contribution

R Martínez-Mota, N Righini, EK Mallott, R Palme, KR Amato. Environmental stress and the primate microbiome: Glucocorticoids contribute to structure gut bacterial communities of black howler monkeys in anthropogenically disturbed forest fragments. Frontiers in Ecology and Evolution. 10: 863242. DOI: 10.3389/fevo.2022.863242.

EK Mallott, LH Skovmand, PA Garber, KR Amato. The faecal metabolome of black howler monkeys (Alouatta pigra) varies in response to seasonal dietary changes. Molecular Ecology 31: 4146-4161. DOI: 10.1111/mec.16559/.

T Cepon-Robins, EK Mallott, I Recca, T Gildner. Exploring biocultural determinants of intestinal health: Do resource access and parasite exposure contribute to intestinal inflammation among a preliminary sample of children in rural Mississippi? American Journal of Biological Anthropology. DOI: 10.1002/ajpa.24574/.

EK Mallott, KR Amato. Butyrate-producing pathway abundances are similar in human and nonhuman primate gut microbiomes. Molecular Biology and Evolution 39: msab279. DOI: 10.1093/molbev/msab279/.

AL Severson, BF Byrd, EK Mallott, AC Owings, M DeGiorgio, A de Flamingh, C Nijmeh, M Arellano, A Leventhal, N Rosenberg, RS Malhi. Ancient and modern genomics of the Ohlone Indigenous population of California. Proceedings of the National Academy of Sciences 119: e2111533119. DOI: 10.1073/pnas.2111533119.

Last Updated: 11/14/2022 5:33:43 PM

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