New #ISEPpapers! Nucleomorph phylogenomics suggests a deep and ancient origin of cryptophyte plastids within Rhodophyta nph.onlinelibrary.wiley.com/doi/10.1111/... by @animalculum.bsky.social, @deemteam.bsky.social #Protist #Algae #Microbes #Evolution #Nucleomorph #Genomics #Rhodophyta #Plastids
Lukas VF Novak
@animalculum.bsky.social
Postdoc in evolution of microbes. I study protists losing mitochondria, algae stealing plastids, and bacteria living on nothing but sulfur. IUEM, Plouzané, BZH, FR. https://lukasnovak.eu/ https://scholar.social/@animalculum he/him
New paper from my 2nd PostDoc is now published in The ISME Journal by @isme-microbes.bsky.social! #Sulfur disproportionation occurs globally across anoxic habitats & has multiple mechanisms of independent evolutionary origin academic.oup.com/ismej/advanc... #Bacteria #Microbes #Evolution #DeepSea
How a parasite gave up sex to find more hosts—and why its victory won't last phys.org/news/2026-01... Host range expansion of asexual parasite can be explained by loss of adaptions in Muller’s Ratchet www.nature.com/articles/s41... #Protists #Microbes #Parasites #Giardia #Evolution
Shelled #amoeba crawls like an octopus, shifting tactics on the go phys.org/news/2026-01... Statistical and mechanical analysis of multi-pseudopodial locomotion in a testate amoeba, #Arcella sp. www.jstage.jst.go.jp/article/pjab... #Protists #Microbes #Amoebae
Our collaboration with @mbonhivers.bsky.social is now out in @plosbiology.org! 🎉Using U-ExM, we mapped the formation of the flagellar pocket collar in T. brucei. Huge thanks to everyone involved — one step closer to #PhDone! #ExM #oneringtorulethemall #Bilbo1 #trypanosoma #protistsonsky
The flagellar pocket collar (FPC) is a cytoskeletal structure essential for nutrient uptake & immune evasion in #Trypanosome. @mbonhivers.bsky.social &co use U-ExM to provide novel insights into FPC biogenesis, and reveal 2 unknown cytoskeletal structures @plosbiology.org 🧪 plos.io/4n3bWi6
Understanding the relationship between #foraminifera & their #symbionts can help corals phys.org/news/2025-09... Specific host - #algae relationship, yet flexible bacterial #microbiome, in diatom-bearing foraminifera: Elsa Girard et al. www.science.org/doi/10.1126/... #Protists #Microbes #Diatoms
#Arctic #algae aren't immobile or entombed. They're not just surviving either—they're gliding into record books phys.org/news/2025-09... Ice gliding #diatoms establish record-low temperature limits for motility in a eukaryotic cell www.pnas.org/doi/10.1073/... #protists #microbes #extremophiles
Partnership between #algae & #bacteria reveals secrets of evolution phys.org/news/2025-08... Stepwise genome #evolution from a facultative symbiont to an endosymbiont in the N2-fixing symbioses www.cell.com/current-biol... #protists by @vesnagrujcic.bsky.social, @mehrshmali.bsky.social, et al.
Tiny marine #protist shells reveal clues for how ice ages start phys.org/news/2025-08... Progressively greater biological #CarbonStorage in the deep Atlantic during glacial inception: Monica Garity et al. www.pnas.org/doi/10.1073/... #Protists #Microbes #Foraminifera #Climate #DeepSea #IceAge
How #diatoms thrive in—and light up—the Southern Ocean phys.org/news/2025-08... agupubs.onlinelibrary.wiley.com/doi/10.1029/... #protists #algae "An area of the #SouthernOcean that's long confused satellites by reflecting large amounts of turquoise light appears to be full of silica-rich diatoms"
New genome announcement from our team: Draft genome sequence of Desulfobacterota strain M19, a mesophilic sulfur-disproportionating bacterium from a #DeepSea hydrothermal vent on the Mid-Atlantic Ridge journals.asm.org/doi/10.1128/... #Bacteria #Microbes #Genomics #HydrothermalVents #Extremophiles
How an organelle evolves in #symbiosis with a cell: Intermediate stage sheds light on the assimilation process phys.org/news/2025-03... A nucleus-encoded dynamin-like protein controls endosymbiont division in the trypanosomatid Angomonas deanei www.science.org/doi/10.1126/... #Protists #Microbes
A Most Useful Light Switch schaechter.asmblog.org/schaechter/2... paper from 2023: www.nature.com/articles/s41... #Diatoms grow well in iron-limited waters. They switch their energy-generating photoreceptor to a proton-translocating #rhodopsin. #Protists #Algae via @stcmicrobeblog.bsky.social
Algae May Speed Melting of Antarctic Ice eos.org/articles/new... paper: www.nature.com/articles/s41... "The newly discovered algal communities may represent one of the largest photosynthetic habitats in #Antarctica." #Protists #Algae #SnowAlgae #Microbes #ClimateChange
After 7,000 years without light and oxygen in #BalticSea mud, researchers bring prehistoric #algae back to life phys.org/news/2025-03... Resurrection of a #diatom after 7000 years from anoxic Baltic Sea sediment: Sarah Bolius et al. academic.oup.com/ismej/articl... #Protists #Diatoms #Microbes
Newly discovered algae species offers insights into plant evolution and UV protection phys.org/news/2025-02... New Strains of the Deep Branching Streptophyte Streptofilum... Description of S. arcticum sp. nov enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/... #Protists #Algae #NewSpecies
Giving up on #photosynthesis: How a borrowed bacterial gene allows marine #diatoms to live on a #seaweed diet phys.org/news/2025-04... Diatom heterotrophy on brown algal polysaccharides emerged through HGT, gene duplication, & neofunctionalization journals.plos.org/plosbiology/... #algae #protists
Ancient marine organism's dual-layer structure reveals both past and present ocean environments phys.org/news/2025-02... A cosmopolitan calcifying benthic #foraminifera in agglutinated disguise as a geochemical recorder of coastal environments www.pnas.org/doi/10.1073/... #Protists #Microbes
Symbiotic #bacteria ride along with single-celled #protists in ocean's upper layer phys.org/news/2025-02... #Symbionts of predatory protists are widespread in the oceans and related to animal pathogens www.cell.com/cell-host-mi...
How Does Life Happen When There’s Barely Any Light? www.quantamagazine.org/how-does-lif... @quantamagazine.bsky.social Photosynthetic light requirement near the theoretical minimum detected in Arctic microalgae: Clara Hoppe et al. www.nature.com/articles/s41... #Protists #Algae #Diatoms #Arctic
In search of red snow microscopesandmonsters.wordpress.com/2025/01/26/i... #protists " #SnowAlgae have been known for a long time – earliest records are from the alps in the late 18th century... and first recognised as #algae 40 years later when an expedition was exploring the North-West passage "
New research on #protists sheds light on #DeepSea energy sources www.whoi.edu/press-room/n... Array of metabolic pathways in a kleptoplastidic #foraminifera supports #chemoautotrophy in dark, euxinic seafloor sediments academic.oup.com/ismej/articl... by Fatma Gomaa et al., @whoi.bsky.social
Tiny microbe colonies communicate to coordinate their behavior www.uib.no/en/michaelsa... Electrical signaling and coordinated behavior in the closest relative of animals www.science.org/doi/10.1126/... #Protists #ProtistsOnSky #Microbes by @jeffcolgren.bsky.social @pawelburkhardt.bsky.social
#ClimateChange Threatens Key Ocean #Plankton Groups www.mpic.de/5618027/klim... Migrating is not enough for modern planktonic #foraminifera in a changing ocean: Sonia Chaabane et al. www.nature.com/articles/s41... #Protists #ProtistsOnSky #Microbes #Acidification #ClimateCrisis #Climate
Discovery of enzyme pathway may lead to #leishmaniasis treatments phys.org/news/2024-12... " #Leishmania have biochemical similarities to #fungi... But scientists were unable to effectively use #antifungals... those #azoles don't work unless they inhibit the new pathway" #Protists #Parasites
Comprehensive analysis reveals hidden genomic #evolution of brown algae phys.org/news/2024-12... Evolutionary #genomics of the emergence of #BrownAlgae as key components of coastal ecosystems www.cell.com/cell/fulltex... #Protists #Algae #ProtistsOnSky #Seaweed #Biology
#Phytochromes: The 'eyes' that enable #microalgae to find their way in aquatic depths phys.org/news/2024-12... #Diatom phytochromes integrate the underwater light spectrum to sense depth: Carole Duchêne et al. www.nature.com/articles/s41... #Protists #ProtistsOnSky #Algae #Diatoms #Microbes
This #amoeba eats prey like #owls do www.sciencenews.org/article/amoe... The vampyrellid amoeba #Strigomyxa ruptor gen. et sp. nov. and its remarkable strategy to acquire algal cell contents onlinelibrary.wiley.com/doi/10.1002/... #Protists #Algae #Amoebae #ProtistsOnSky #Microbes
Research reveals even single-cell organisms exhibit habituation, a simple form of learning phys.org/news/2024-11... Biochemically plausible models of habituation for single-cell learning: Lina Eckert et al. www.cell.com/current-biol... #Protists #Microbes #Ciliates #ProtistsOnSky
Advanced genetic techniques & #microscopy offer new insights into anaerobic ciliate + methanogen #symbiosis phys.org/news/2024-10... Methanogenic #symbionts of anaerobic #ciliates are host, habitat specific academic.oup.com/ismej/articl... #protists by @micrott.bsky.social @symbiosisrox.bsky.social