Projects per year
Personal profile
Research interests
My research focuses on host and environmental microbiomes in the aquatic environment. I typically work with marine invertebrates, including those that are important for global food production. I'm interested in how symbiotic microbes interact and evolve, and what determines microbiome composition, more generally. This work emphasises the importance of unicellular eukaryotes (i.e., protists), including those involved in parasitism. I am currently using single-cell sequencing to better characterise protist biodiversity and evolution, and using this information to better inform One Health principles.
Keywords
- microbiome
- protist
- invertebrates
- symbiosis
- parasitism
- food security
- aquaculture
- One Health
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 2 Zero Hunger -
SDG 3 Good Health and Well-being -
SDG 12 Responsible Consumption and Production -
SDG 13 Climate Action -
SDG 14 Life Below Water -
SDG 15 Life on Land
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Collaborations and top research areas from the last five years
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Projects
- 3 Active
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Barcode guided single-cell sequencing (FISH-FACS) to uncover novel protist diversity
Holt, C. (PI)
1/03/26 → 28/02/27
Project: Research council
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Reimagining Spaces: The 4S Pavilion
Holt, C. (CoPI), Tooke, C. (PI), Littleford-Colquhoun, B. (CoPI), Da Luz Batalha, I. (CoPI), Tang, S. (CoPI) & Sanz-Maestro, A. (Researcher CoI)
18/11/25 → 31/07/26
Project: Research-related funding
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OHSPA: Bath-Cefas One Health Strategic Partnership Agreement
Holt, C. (PI)
1/11/25 → 31/07/26
Project: Research-related funding
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Phylogenomics reveals multiple evolutionary lineages of marine crustacean-infecting gregarine apicomplexans
Na, I., Jacko-Reynolds, V. K. L., Holt, C. C. & Keeling, P. J., 20 Apr 2026, In: Scientific Reports. 16, 1, 17 p., 18491.Research output: Contribution to journal › Article › peer-review
Open Access -
Phylogenomic tree of Cercozoa based on single-cell transcriptomes from 100 uncultured cells
Lax, G., Cooney, E. C., Zlatogursky, V., Mtawali, M., Okamoto, N., Jacko-Reynolds, V. K. L., Bjornson, S., Holt, C., Hurdeal, V. G., Giannotti, D. & Keeling, P. J., 30 Jan 2026, In: BMC Biology. 24, 1, 55.Research output: Contribution to journal › Article › peer-review
Open Access -
Phylogenomic resolution of marine to freshwater dinoflagellate transitions
Mtawali, M., Cooney, E. C., Adams, J., Jin, J., Holt, C. C. & Keeling, P. J., 21 Feb 2025, In: ISME Journal. 19, 1, wraf031.Research output: Contribution to journal › Article › peer-review
Open Access2 Link opens in a new tab Citations (SciVal) -
Phylogenomic tree of Cercozoa based on single-cell transcriptomes from 100 uncultured cells
Lax, G., Cooney, E., Zlatogursky, V., Mtawali, M., Okamoto, N., Jacko-Reynolds, V., Bjornson, S., Holt, C., Hurdeal, V., Giannotti, D. & Keeling, P., 10 Sept 2025, Research Square.Research output: Working paper / Preprint › Preprint
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Coral-infecting parasites in cold marine ecosystems
Trznadel, M., Holt, C. C., Livingston, S. J., Kwong, W. K. & Keeling, P., 11 Apr 2024, In: Current Biology.Research output: Contribution to journal › Article › peer-review
Open Access6 Link opens in a new tab Citations (SciVal)
Activities
- 2 Conference presentation / attendance
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ICOP/ISEP 2025: 16th International Congress of Protistology
Holt, C. (Speaker)
22 Jun 2025 → 27 Jun 2025Activity: Academic conferences and events (excluding conference publications) › Conference presentation / attendance
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Microbiome Innovation One Health Conference
Holt, C. (Speaker)
15 Sept 2025 → 16 Sept 2025Activity: Academic conferences and events (excluding conference publications) › Conference presentation / attendance