Jennifer Macalady

Affiliate Researcher
Titles and Affiliations
Professor, Geosciences

Research Summary

Research interests include geomicrobiology, biogeochemistry and astrobiology, microbial behavior and evolution. Ongoing projects include cave microbiology, Early Earth Photosynthesis, methane oxidation, lipid biogeochemistry and deep biosphere genomics.

In the News

Research Keywords

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Projects

Recent Publications

Sulfur disproportionating microbial communities in a dynamic, microoxic-sulfidic karst system

Aronson, H. S., Clark, C. E., LaRowe, D. E., Amend, J. P., Polerecky, L. & Macalady, J. L., Nov 2023, In: Geobiology. 21, 6, p. 791-803 13 p.

Research output: Contribution to journalArticlepeer-review

Thiovibrio frasassiensis gen. nov., sp. nov., an autotrophic, elemental sulphur disproportionating bacterium isolated from sulphidic karst sediment, and proposal of Thiovibrionaceae fam. nov.

Aronson, H. S., Thomas, C., Bhattacharyya, M. K., Eckstein, S. R., Jensen, S. R., Barco, R. A., Macalady, J. L. & Amend, J. P., 2023, In: International journal of systematic and evolutionary microbiology. 73, 8, 006003.

Research output: Contribution to journalArticlepeer-review

Carbonates in the Critical Zone

Covington, M. D., Martin, J. B., Toran, L. E., Macalady, J. L., Sekhon, N., Sullivan, P. L., García, A., Heffernan, J. B. & Graham, W. D., Jan 2023, In: Earth's Future. 11, 1, e2022EF002765.

Research output: Contribution to journalReview articlepeer-review

Convergent Community Assembly among Globally Separated Acidic Cave Biofilms

Jones, D. S., Schaperdoth, I., Northup, D. E., Gómez-Cruz, R. & Macalady, J. L., Jan 2023, In: Applied and environmental microbiology. 89, 1

Research output: Contribution to journalArticlepeer-review

Metagenome-Assembled Genomes from Appalachian Acid Mine Drainage Sites

Williams, C., Macalady, J. & Grettenberger, C., May 2023, In: Microbiology Resource Announcements. 12, 5

Research output: Contribution to journalArticlepeer-review

Microbial carbon, sulfur, iron, and nitrogen cycling linked to the potential remediation of a meromictic acidic pit lake

Ayala-Muñoz, D., Macalady, J. L., Sánchez-España, J., Falagán, C., Couradeau, E. & Burgos, W. D., Dec 2022, In: ISME Journal. 16, 12, p. 2666-2679 14 p.

Research output: Contribution to journalArticlepeer-review

Novel Microorganisms Contribute to Biosulfidogenesis in the Deep Layer of an Acidic Pit Lake

Ayala-Muñoz, D., Burgos, W. D., Sánchez-España, J., Falagán, C., Couradeau, E. & Macalady, J. L., Jul 13 2022, In: Frontiers in Bioengineering and Biotechnology. 10, 867321.

Research output: Contribution to journalArticlepeer-review

Thousands of small, novel genes predicted in global phage genomes

Global Phage Small Open Reading Frame (GP-SmORF) Consortium, Jun 21 2022, In: Cell Reports. 39, 12, 110984.

Research output: Contribution to journalArticlepeer-review

Functional redundancy imparts process stability to acidic Fe(II)-oxidizing microbial reactors

Ayala-Muñoz, D., Simister, R. L., Crowe, S. A., Macalady, J. L. & Burgos, W. D., Jul 2021, In: Environmental microbiology. 23, 7, p. 3682-3694 13 p.

Research output: Contribution to journalArticlepeer-review

Organic Stabilization of Extracellular Elemental Sulfur in a Sulfurovum-Rich Biofilm: A New Role for Extracellular Polymeric Substances?

Cron, B., Macalady, J. L. & Cosmidis, J., Aug 6 2021, In: Frontiers in Microbiology. 12, 720101.

Research output: Contribution to journalArticlepeer-review

Another chemolithotrophic metabolism missing in nature: sulfur comproportionation

Amend, J. P., Aronson, H. S., Macalady, J. & LaRowe, D. E., Jun 1 2020, In: Environmental microbiology. 22, 6, p. 1971-1976 6 p.

Research output: Contribution to journalLetterpeer-review

Metagenomic and metatranscriptomic study of microbial metal resistance in an acidic pit lake

Ayala-Muñoz, D., Burgos, W. D., Sánchez-España, J., Couradeau, E., Falagán, C. & Macalady, J. L., Sep 2020, In: Microorganisms. 8, 9, p. 1-271350 271350 p., 1350.

Research output: Contribution to journalArticlepeer-review

Microbial population structure in a stratified, acidic pit lake in the Iberian Pyrite Belt

Grettenberger, C. L., Mccauley Rench, R. L., Gruen, D. S., Mills, D. B., Carney, C., Brainard, J., Hamasaki, H., Ramirez, R., Watanabe, Y., Amaral-Zettler, L. A., Ohmoto, H. & Macalady, J. L., Jul 1 2020, In: Geomicrobiology Journal. 37, 7, p. 623-634 12 p.

Research output: Contribution to journalArticlepeer-review

Versatile cyanobacteria control the timing and extent of sulfide production in a Proterozoic analog microbial mat

Klatt, J. M., Gomez-Saez, G. V., Meyer, S., Ristova, P. P., Yilmaz, P., Granitsiotis, M. S., Macalady, J. L., Lavik, G., Polerecky, L. & Bühring, S. I., Dec 1 2020, In: ISME Journal. 14, 12, p. 3024-3037 14 p.

Research output: Contribution to journalArticlepeer-review

Elemental Sulfur Formation by Sulfuricurvum kujiense Is Mediated by Extracellular Organic Compounds

Cron, B., Henri, P., Chan, C. S., Macalady, J. L. & Cosmidis, J., Nov 27 2019, In: Frontiers in Microbiology. 10, 2710.

Research output: Contribution to journalArticlepeer-review