#unicellular — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #unicellular, aggregated by home.social.
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Did... did you know that the algae in the Caulerpa genus are unicellular organisms? Like... they consist of only one cell (with multiple nuclei, but still one cell)?
We discovered it only now, after seeing these species of algae so many times... incredible.
Unbelievable. Amazing.#Algae #SeaTrivia #UnicellularOrganisms #Unicellular #Nature
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The afternoon of the eighth day of the Konstanz School of Collective Behaviour 2025 (#KSCB2025) is devoted to a #keynote by Naama Brenner on #biophysics of #cells, either in #unicellular or #multicellular #organisms
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Giant #meteorite impact 3.26 billion years ago may have aided early life
https://phys.org/news/2024-10-giant-meteorite-impact-billion-years.htmlEffect of a giant meteorite impact on #Paleoarchean surface environments and life: Nadja Drabon et al. https://www.pnas.org/doi/10.1073/pnas.2408721121
"#bacteria are hardy, and following impact, bacterial life bounced back quickly. With this came sharp spikes in populations of #unicellular organisms that feed off the elements phosphorus and iron."
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Now available ahead of print! "Disentangling the Factors Selecting for Unicellular Programmed Cell Death" by J. David Van Dyken & Peter C. Zee https://www.journals.uchicago.edu/doi/10.1086/732199
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El alga invasora y tóxica Caulerpa taxifolia puede parecer la típica alga pluricelular, pero tampoco es el caso. Se trata de un alga unicelular multinucleada que alcanza 20-60 cm de altura, siendo el organismo unicelular más grande que se conoce.📷Krzysztof Ziarnek #alga #algae #unicelular #unicellular
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No es el único caso de célula gigante. Syringammina fragilissima es otro organismo unicelular enorme que alcanza los 20 cm de diámetro, con estructuras de tubos interconectados. #alga #algae #unicelular #unicellular
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Esto es una sola célula.
Se trata de Ventricaria ventricosa (Anteriormente Valonia ventricosa, un alga unicelular polinuclear con una enorme vacuola central multilobular. Puede alcanzar los 5 cm de diámetro. #alga #algae #unicelular #unicellular
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Meet your oxygen-makers
Living diatoms generate about 20 to 50 percent of the oxygen produced on the planet each year, take in over 6.7 billion tonnes of silicon each year from the waters in which they live, and constitute nearly half of the organic material found in the oceans. The shells of dead diatoms can reach as much as a half-mile (800 m) deep on the ocean floor.
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Rediscovery of rare marine #amoeba Rhabdamoeba marina https://phys.org/news/2023-11-rediscovery-rare-marine-amoeba-rhabdamoeba.html
#Rhabdamoeba marina is a heterotrophic relative of chlorarachnid algae https://onlinelibrary.wiley.com/doi/10.1111/jeu.13010
"The study highlights the importance of observing environmental samples for the rediscovery of #unicellular organisms such as R. marina that lack genetic data. Such efforts are indispensable for understanding #MicrobialDiversity."
#protists #microbes #amoebas #microorganisms #protistology #microbiology #algae #biodiversity
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Hi #biology hive mind: there is a large unicellular organism with many symbiotic spirochete-like bacteria attached to its outer membrane, acting like its own motility system. What's its name?
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Discovery of Three Novel #Minorisa Species, the Smallest Predatory Marine #Picoplankton https://www.tsukuba.ac.jp/en/research-news/20231020141500.html
Molecular and morphological characterization of three novel Minorisa species (#Chlorarachnea) https://onlinelibrary.wiley.com/doi/10.1111/pre.12533
"Minorisa, a group of #unicellular #eukaryotes (#protists), is renowned as one of the smallest #predators in the world. These #microorganisms are widely distributed in oceans, with a particular abundance in coastal regions."
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Journey to the Microcosmos: *The Tube-dwelling Architects Of The Microcosmos*
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Journey to the Microcosmos: *How Do Microbes Make Decisions?*
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Beautiful #computational #neuroscience does not require #neurons!
This is a really cool paper on #learning in #unicellular organisms:
https://www.sciencedirect.com/science/article/pii/S0960982222017663
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The transition from #unicellular to #multicellular #life was one of a few major events in the history of life that created new opportunities for more complex biological systems to evolve.
According to a study from 2019, experimental populations evolved multicellular structures not observed in unselected control populations.
I was under the impression that multicellularity may have posed an #evolutionary bottleneck. Clearly that is not the case.
#biology #evolution https://www.nature.com/articles/s41598-019-39558-8
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Glucose-starved #yeast poisons neighboring #microbes as well as its own clones https://phys.org/news/2022-11-glucose-starved-yeast-poisons-neighboring-microorganisms.html
#Autotoxin-mediated latecomer killing in yeast communities: Arisa Oda et al. https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3001844
"When starved of #glucose, yeast releases a #toxin that will poison other #microorganisms that have entered its surrounding habitat, even its own clones. This #venomous phenomenon was previously unknown and contributes to our understanding of #unicellular microorganism behavior"
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#Introduction #Biology #teacher at Bartholomew School near #Oxford, where I play #folk #music , have an #allotment, #hens, a #spinning wheel, and some #microscopes
I’m interested in #biodiversity #biology #naturerecovery #regenerativeagriculture #diseases #art #nature #politics #music #energy #geography #archaeology #ecosystems #film #books #textiles #plants #animals #fungi #unicellular #organisms and #sustainability