About the Authors

Brandi L. Cantarel

Contributed equally to this work with: Brandi L. Cantarel, Alison R. Erickson

Affiliation Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland, United States of America

Alison R. Erickson

Contributed equally to this work with: Brandi L. Cantarel, Alison R. Erickson

Affiliations Oak Ridge National Laboratory, Chemical Sciences Division, Oak Ridge, Tennessee, United States of America, Graduate School of Genome Science & Technology, University of Tennessee, Knoxville, Tennessee, United States of America

Nathan C. VerBerkmoes

Affiliation Oak Ridge National Laboratory, Chemical Sciences Division, Oak Ridge, Tennessee, United States of America

Brian K. Erickson

Affiliations Oak Ridge National Laboratory, Chemical Sciences Division, Oak Ridge, Tennessee, United States of America, Graduate School of Genome Science & Technology, University of Tennessee, Knoxville, Tennessee, United States of America

Patricia A. Carey

Affiliation Oak Ridge National Laboratory, Chemical Sciences Division, Oak Ridge, Tennessee, United States of America

Chongle Pan

Affiliation Oak Ridge National Laboratory, Chemical Sciences Division, Oak Ridge, Tennessee, United States of America

Manesh Shah

Affiliation Oak Ridge National Laboratory, Chemical Sciences Division, Oak Ridge, Tennessee, United States of America

Emmanuel F. Mongodin

Affiliation Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland, United States of America

Janet K. Jansson

Affiliation Lawrence Berkeley National Laboratory, Earth Sciences Division, Department of Ecology, Berkeley, California, United States of America

Claire M. Fraser-Liggett

Affiliation Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, Maryland, United States of America

Robert L. Hettich

hettichrl@ornl.gov

Affiliation Oak Ridge National Laboratory, Chemical Sciences Division, Oak Ridge, Tennessee, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the paper: BLC ARE EFM JKJ CMF-L RLH. Designed the overall approach and integration plan for metagenomics-metaproteomics: BLC ARE NCV EFM CMF-L RLH. Developed and tested the integrated approach and did the majority of data analysis: BLC ARE. Developed and performed the spectral analysis database comparisons: BKE ARE. Designed and performed the de novo peptide sequencing data and comparisons: ARE PAC NCV CP. Performed all protein sequence database searches: MS. Provided the samples: JKJ.