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L. Ryan Baugh

Professor of Biology
Biology
Duke Box 90338, Durham, NC 27708-4129
4314 French Family Science Center, Duke Box 90338, Durham, NC 27708

Overview


The Baugh Lab is interested in phenotypic plasticity and developmental robustness despite variable environmental conditions. We use the roundworm C. elegans to study how animals adapt to starvation over different time scales using functional genomics (bulk and single-cell) as well as statistical, quantitative, and molecular genetics. Our research questions revolve around how gene regulation and development are governed by nutrient availability, how animals acclimate to survive starvation, and the mechanisms underlying adult consequences of early life starvation. We are gaining insight into the genetic basis of natural variation among wild strains, the function of conserved tumor suppressors, epigenetic effects of starvation, and how early life experience affects adult disease.

Current Appointments & Affiliations


Professor of Biology · 2023 - Present Biology, Trinity College of Arts & Sciences
Associate Professor of Cell Biology · 2022 - Present Cell Biology, Basic Science Departments
Affiliate of the Center for Genomic and Computational Biology · 2019 - Present Biology, Trinity College of Arts & Sciences
Affiliate of the Duke Regeneration Center · 2021 - Present Duke Regeneration Center, Basic Science Departments

In the News


Published April 8, 2025
‘Forever Chemicals’ Are Everywhere. Most of Their Health Effects Are Unknown
Published July 8, 2019
Life is Tough But So Are Worms -- Thanks to Mom
Published October 27, 2016
Underfed Worms Program Their Babies to Cope With Famine

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Recent Publications


Progeny effects of rotenone exposure depend on parental toxicity.

Journal Article Toxicol Sci · March 2, 2026 Parental exposure to toxicants can affect progeny health. However, laboratory studies often employ exposures that result in loading of pollutants to gametes or toxic effects to parents, which could indirectly affect germ cell or gamete health. Here, we too ... Full text Link to item Cite

Transcriptome- and phenotype-based epistasis analysis in Caenorhabditis elegans reveals daf-16/FoxO-dependent and independent effects of daf-2/InsR in L1 starvation and recovery.

Journal Article G3 (Bethesda, Md.) · March 2026 Reduced insulin/IGF signaling (IIS) in Caenorhabditis elegans increases starvation resistance in a daf-16/FoxO-dependent fashion, but it is unclear whether the effects of reduced IIS are entirely dependent on daf-16/FoxO. We used RNA sequencing and phenoty ... Full text Cite

Early life starvation and Hedgehog-related signaling activate innate immunity downstream of daf-18/PTEN and lin-35/Rb causing developmental pathology in adult C. elegans.

Journal Article PLoS genetics · December 2025 Early life experiences such as malnutrition can affect development and adult disease risk, but the molecular basis of such protracted effects is poorly understood. In the nematode C. elegans, extended starvation during the first larval stage causes the dev ... Full text Cite
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Recent Grants


Nutritional Control of Nematode Development

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2025 - 2030

NSF-SNSF: Molecular Mechanism of a Life-History Tradeoff between Growth and Survival

ResearchPrincipal Investigator · Awarded by National Science Foundation · 2024 - 2027

Training Program in Developmental and Stem Cell Biology

Inst. Training Prgm or CMEMentor · Awarded by Eunice Kennedy Shriver National Institute of Child Health and Human Development · 2001 - 2027

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Education


Harvard University · 2004 Ph.D.
University of Georgia · 1997 B.S.