Author

Marcus Mullen

University of Colorado Boulder

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Physiology· 1

Signature Assays, Organisms & Methods

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Research Focus:cell type annotation· 1 Approach:experimental assay· 1 Research Focus:host-pathogen & immune response· 1 Organism:human· 1 Research Focus:metabolism & bioenergetics· 1 Assay:metabolomics· 1 Organism:mouse· 1 Organism:zebrafish· 1

Frequent Co-Authors

Andrew L. Markhard· 1 shared Barry ScottiD· 1 shared Christian T. VoldstedlundiD· 1 shared Daniel BernsteiniD· 1 shared Erik Arne RichteriD· 1 shared Gregory Maas· 1 shared Jack F. GugeliD· 1 shared Jan SpaasiD· 1 shared

Activity by Year

2026-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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1 shared paperPhysiology

Andrew L. Markhard

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1 paper

Recent·Most cited

Python metabolomics uncovers a conserved postprandial metabolite and gut-brain feeding pathway

Shuke Xiao, Mengjie Wang, Thomas G. Martin, Barry Scott, Xing Fang, Xinming Liu, Yongjie Yang, Sipei Fu, Steven D. Truong, Jack F. Gugel, Gregory Maas, Marcus Mullen, Jennifer Hampton Hill, Veronica L. Li, Andrew L. Markhard, , Jonathan Z. Long

The paper identifies a conserved postprandial metabolite, pTOS, that links nutrient intake to energy balance through a gut-brain pathway in pythons and mice, with potential relevance to humans.

Nature Metabolism · Mar 19, 2026Peer-reviewedPhysiology