Author

Jessica L. Keffer

University of DelawareORCID 0000-0002-0302-3588Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Microbiology· 2

Signature Assays, Organisms & Methods

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Organism:bacteria (other)· 2 Approach:experimental assay· 2 Research Focus:cell type annotation· 1 Assay:proteomics· 1

Frequent Co-Authors

Clara S. ChaniD· 2 shared Ankit Singh· 1 shared Danielle D. RushworthiD· 1 shared Jiwon ChoiiD· 1 shared Nanqing ZhouiD· 1 shared Pei C. ChiuiD· 1 shared Yanbao YuiD· 1 shared

Activity by Year

2025-2026 · peak 1/yr

Co-Author Collaboration Network

7 top collaborators · 12 mutual co-author links

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2 shared papersMicrobiology

Clara S. ChanORCID

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2 papers

Recent·Most cited

MicrobiologybioRxivPreprintSep 24, 2026

Shewanella oneidensis grows on biochar as an electron acceptor via direct contact without flavins

Ankit Singh, Jessica L. Keffer, Jiwon Choi…·Clara S. Chan

This study shows Shewanella oneidensis can grow on biochar using direct contact without flavins, accessing about 19% of biochar's electron storage capacity.

DOI 10.64898/2026.09.21.753187

bacteria (other)experimental assay

MicrobiologyApplied and Environmental MicrobiologyPeer-reviewedMar 5, 2025

Microbial magnetite oxidation via MtoAB porin-multiheme cytochrome complex in Sideroxydans lithotrophicus ES-1

Jessica L. Keffer, Nanqing Zhou, Danielle D. Rushworth…·Clara S. Chan

This paper shows Sideroxydans lithotrophicus ES-1 uses magnetite as a solid electron donor for iron oxidation, with MtoA and cupredoxin proteins involved in this process.

14 citations

bacteria (other)proteomics