Personal profile
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 14 Life Below Water -
SDG 15 Life on Land
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Collaborations and top research areas from the last five years
Projects
- 11 Finished
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Oxygen production in a model Proterozoic environment
Macalady, J. (PI)
9/1/13 → 12/31/16
Project: Research project
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Collaborative Research: Genome-enabled Investigation of S(0) Cycling in a Subterranean Microbial Ecosystem
Macalady, J. (PI)
9/1/13 → 8/31/17
Project: Research project
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Dimensions: Collaborative Research: Functional Diversity of Microbial Trophic Guilds Defined Using Stable Isotope Ratios of Proteins
Macalady, J. (PI)
10/1/11 → 9/30/15
Project: Research project
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The molecular signature of sulfide: Biomarkers of sulfur-oxidizing autotrophs
Macalady, J. (PI) & Freeman, K. H. (CoPI)
9/1/05 → 8/31/11
Project: Research project
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The molecular signature of sulfide: Biomarkers of sulfur-oxidizing autotrophs
Macalady, J. (PI) & Freeman, K. H. (CoPI)
9/1/05 → 8/31/11
Project: Research project
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High-density biomass as a substrate for stimulating biosulfidogenesis in the deep layer of stratified acidic pit lakes
Liu, Y., Brennan, R. A., Sánchez-España, J., Vilchez, C., Fuentes, J. L., Macalady, J. L. & Burgos, W. D., Feb 2026, In: Applied and environmental microbiology. 92, 2Research output: Contribution to journal › Article › peer-review
Open Access -
A reassessment of the “hard-steps” model for the evolution of intelligent life
Mills, D. B., Macalady, J. L., Frank, A. & Wright, J. T., Feb 14 2025, In: Science Advances. 11, 7, eads5698.Research output: Contribution to journal › Review article › peer-review
Open Access7 Link opens in a new tab Scopus citations -
CONFIRMATION OF D2-STERENES AS PRECURSORS OF 3-METHYLSTERANES
Hartke, E. R., Freeman, K. H., Macalady, J. L., He, R. & Brassell, S. C., 2025, 32nd International Meeting on Organic Geochemistry, IMOG 2025. European Association of Geoscientists and Engineers, EAGE, (32nd International Meeting on Organic Geochemistry, IMOG 2025).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
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Isolation of a putative sulfur comproportionating microorganism
Aronson, H. S., LaRowe, D. E., Macalady, J. L. & Amend, J. P., Dec 2025, In: Scientific reports. 15, 1, 17999.Research output: Contribution to journal › Article › peer-review
Open Access3 Link opens in a new tab Scopus citations -
MICROBIAL LIPID ADAPTIONS OF BIOFILM-FORMING, SULFIDE-OXIDZING BACTERIA INHABITING SULFIDIC CAVES IN CENTRAL ITALY
McDonnell, A., Levin, L., Hartke, E., Dawson, K. S., Grettenberger, C. L., Freeman, K. H., Macalady, J. L. & Schubotz, F., 2025, 32nd International Meeting on Organic Geochemistry, IMOG 2025. European Association of Geoscientists and Engineers, EAGE, (32nd International Meeting on Organic Geochemistry, IMOG 2025).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution