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@smallthingslab.bsky.social

Tweets by Rohit Ghai, #PELAGICS European Lakes Sampling Expedition (#GACR EXPRO Excellence Project)

57 Followers  |  177 Following  |  4 Posts  |  Joined: 12.10.2025  |  1.3748

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But here’s the bombshell: In the same culture we found 2 giant viruses,Tyrannovirus reginensis GV1 & 2 belonging to a viral genus known only from metagenomes. “Unculturable” protists & their giant viruses can be recovered by novel cultivation methods + genomics. Cultures matter!

10.12.2025 15:23 — 👍 3    🔁 0    💬 0    📌 0
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We are happy to share our work on the first isolate of the CRY1a lineage,which we baptized Tyrannomonas regina. It is a small and voracious predator (≈3–5 µm)🦖with the smallest genome among cryptomonads (69 Mb).

10.12.2025 15:23 — 👍 1    🔁 0    💬 1    📌 0
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The CRY1a lineage is ubiquitous and abundant across global freshwaters. Our CARD-FISH surveys across 84 lakes and 3 lagoons show that CRY1a often makes up >10% of all heterotrophic nanoflagellates.
#FreshwaterEcology #ProtistDiversity

10.12.2025 15:23 — 👍 1    🔁 0    💬 1    📌 0
https://academic.oup.com/ismej/advance-article/doi/10.1093/ismejo/wraf271/8373286

Heterotrophic nanoflagellates in lakes ingest 10–20 bacteria/hour, removing roughly 1/3 of all prokaryotes daily but most remain uncultured and unsequenced. We devised a new cultivation strategy to describe one such predator here 🦖🔬
t.co/TU1fq4eVg2 #MicrobialEcology

10.12.2025 15:23 — 👍 9    🔁 3    💬 2    📌 0

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