Author

Paige B Brannen

University of Iowa

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Microbiology· 1

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Organism:bacteria (other)· 1 Research Focus:cell type annotation· 1 Research Focus:gene regulatory network inference· 1 Approach:genetic perturbation / CRISPR· 1 Assay:metagenomics· 1 Research Focus:protein folding & dynamics· 1 Assay:proteomics· 1

Frequent Co-Authors

Craig D. EllermeieriD· 1 shared David L. PophamiD· 1 shared David S. WeissiD· 1 shared Kevin W. BollingeriD· 1 shared Ute MühiD· 1 shared

Activity by Year

2026-2026 · peak 1/yr

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1 shared paperMicrobiology

Craig D. EllermeierORCID

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1 paper

Recent·Most cited

MicrobiologymBioPeer-reviewedOct 6, 2026

Carboxypeptidase activity drives L,D-transpeptidase essentiality during vegetative growth and sporulation in Clostridioides difficile

Kevin W. Bollinger, Ute Müh, Paige B Brannen…·Craig D. Ellermeier

This paper identifies DD-CPases as the source of tetrapeptides for LDTs in C. difficile and shows that LDTs are essential due to high DD-CPase activity, not for divisome/elongasome function.

DOI 10.1128/mbio.01580-26

bacteria (other)proteomics

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