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#symbiosis

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Lukas VFN 🇪🇺

"The last plant left: can #RapaNui’s #extinct #tree be resurrected? theguardian.com/environment/20

"Seeds from the last #toromiro, unique to #EasterIsland, were taken away in the 60s. After a crucial discovery gave hope for its survival, it is making a return... It belongs to a family of pea #plants that has #symbiosis with soil #bacteria... the toromiro’s bacteria are also likely extinct on Rapa Nui... the team looked for them in related species, and found a match in strands from Chile & New Zealand"

photo of a woman scientist holding a plastic bag with soil samples in a mountainous landscape
Public
moki
MERLIN SHELDRAKE'S "ENTANGLED LIFE" is just exciting & absolutely fantastic to read!!!
"Some researchers use the term ‘holobiont’ to refer to an assemblage of different organisms that behaves as a unit. The word ‘holobiont’ derives from the Greek word holos, which means whole. Holobionts are the lichens of this world, the more-than-the-sums of their parts. Like ‘symbiosis’ and ‘ecology’, ‘holobiont’ is a word that does useful work. If we only have words that describe neatly bounded autonomous individuals, it is easy to think that they actually exist. The holobiont is not a utopian concept. Collaboration is always a blend of competition and co-operation. There are many instances where the interests of all the symbionts don’t align. A bacterial species in our gut can make up a key part of our digestive system but cause a deadly infection if it gets into our blood. We’re used to this idea.
Perhaps it isn’t so hard for us to relate to lichens after all. This sort of relationship-building enacts one of the oldest evolutionary maxims. If the word ‘cyborg’ — short for cybernetic organism — describes the fusion between a living organism and a piece of technology, then we, like all other life forms, are symborgs, or symbiotic organisms. The authors of a seminal paper on the symbiotic view of life take a clear stance on this point. ‘There have never been individuals, they declare. “We are all lichens.’

#mycology #holobiont #symbiosis #merlinsheldrake #entangledlife #mustread #lichen #recommendation
#recommendation
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Lukas VFN 🇪🇺

How tiny algae shaped the #evolution of giant clams phys.org/news/2025-01-tiny-alg nature.com/articles/s42003-024

"T. maxima have evolved more genes for sensors to distinguish friendly #algae from harmful #bacteria, #viruses... it has tuned down some of its immune genes in a way that likely helps the #animals tolerate #microbes... As a result of the weakened #ImmuneSystem, its genome contains a large number of #TransposableElements left behind by viruses. These aspects highlight the tradeoffs of #symbiosis"

Underwater photo of a giant clam. The edges of its shell are deeply wavy and the tissue between them is striated with dark and bright lines and contains dark spots. There are some corals around the clam too.
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Joël Métreau

The novels Dogs of War and Children of Time by Adrian Tchaikovsky struck me deep. I haven't read any other novel from this british science-fiction writer which had the same power. I love the idea which Alien Clay is built on, but it's ruined by an average writing and an annoying narrator. The idea of symbiosis and ADN horizontal transfer has been better told than in Annihiliation from Jeff Vandermeer.
#bookstodon #vendredilecture #books #mastolivre #livre #sciencefiction #symbiosis #AdrianTchaikovsky #AlienClay

The book Alien Clay by Adrian Tchaikovsky
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Mx Verda

You’re not just a meat mech; you’re also a colony ship!

Omg. Mitochondria are the influencers of the cell.

But yeah, wild idea somehow. “Pushing people past their limits is damaging.”

IDK why we keep having to explain this to people though.
Just let people live and stop demanding ever more efficient productivity, as if “laziness” both exists and is a marker of a “bad” person.

If you harm people, sure, that’s a bad behaviour I would personally like you to avoid and reduce. But you can harm people by ‘efficiently’ choosing to deny meeting people’s needs.

youtube.com/watch?v=vzqXeAtDnT

YouTubeAre We Actually Controlled by Mitochondria? Mindblowing New DiscoveriesBy Anton Petrov
#mitochondria#CellBiology#Biology
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Lukas VFN 🇪🇺

Advanced genetic techniques and #microscopy offer new insights into anaerobic ciliate and methanogen #symbiosis phys.org/news/2024-10-advanced

Methanogenic #symbionts of anaerobic #ciliates are host and habitat specific academic.oup.com/ismej/article #ISEPpapers by @joro

"This study provides a clearer understanding of how anaerobic ciliates have evolved a mix transmission mode to both maintain and replace their symbionts over time"

electron and fluorescence microscopy pictures of complex microbial cells
#microbes#protists#bacteria
Public
Lukas VFN 🇪🇺

Four new #mushroom species discovered in Sweden phys.org/news/2024-12-mushroom

The genus Phellodon (Basidiomycota #Fungi) in Europe: Four #NewSpecies, one new combination, four new typifications and a first European record ingentaconnect.com/content/wfb

"They live in #symbiosis with different host #trees on different types of #soil, some in calcareous beech #forests, others in acidic pine #bogs. However, one environmental requirement unites all the new species—their association with #OldGrowthForests."

photo of grey mushrooms on moss
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Lukas VFN 🇪🇺

What a #mollusc shell and fiber optic cables have in common npr.org/2024/11/23/nx-s1-51996

Heart cockle shells transmit sunlight to photosymbiotic algae using bundled fiber optic cables and condensing lenses: Dakota McCoy et al. nature.com/articles/s41467-024

"the structure of the #HeartCockle's shell operates as its own kind of fiber #OpticCables to channel light to the #algae living inside it"

photos of various bivalve sea shells and a drawing showing them placed on the sea floor
#protists#symbiosis#mollusks
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michael

30-Oct-2024
#Algae research provides insight on immune health
New UT Arlington study on the algae-jellyfish relationship has implications for humans, coral reefs

eurekalert.org/news-releases/1 #science #ecology #symbiosis

EurekAlert!Algae research provides insight on immune healthMarine animals like jellyfish, corals and sea anemones often live with algae inside their cells in a symbiotic relationship. The animals give the algae nutrients and a place to live; in return, algae give the animals some of the food they make from sunlight via photosynthesis. While this food production seems great for the jellyfish, the algae can also change its host animal’s immunity, similar to the changes made by human pathogens, like parasites that cause malaria. This side effect of the partnership weakens the jellyfish’s immune system, making them worse at fighting off infections, according to a new study from researchers at The University of Texas at Arlington.
Public
michael

23-Oct-2024
#Symbiosis in ancient #Corals
Analysis of nitrogen isotopes provides evidence of the earliest known #photosymbiosis in corals

eurekalert.org/news-releases/1 #evolution #ecology #science #photosynthesis

EurekAlert!Symbiosis in ancient CoralsAnalysis of nitrogen isotopes provides evidence of the earliest known photosymbiosis in corals Analysis of nitrogen isotopes provides evidence of the earliest known photosymbiosis in corals A research team led by researchers from the Max Planck Institute for Chemistry in Mainz has used nitrogen isotope analysis to demonstrate that 385 million years old corals from the Eifel and Sauerland regions had symbionts. This finding represents the earliest evidence of photosymbiosis in corals. Photosymbiosis might explain why ancient coral reefs grew to massive sizes despite being in nutrient-poor environments.A research team led by researchers from the Max Planck Institute for Chemistry in Mainz has used nitrogen isotope analysis to demonstrate that 385 million years old corals from the Eifel and Sauerland regions had symbionts. This finding represents the earliest evidence of photosymbiosis in corals. Photosymbiosis might explain why ancient coral reefs grew to massive sizes despite being in nutrient-poor environments.
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Lukas VFN 🇪🇺

#Sponges' #symbiosis with #bacteria helps them store toxic #molybdenum to keep predators away
phys.org/news/2024-08-sponges-

Out of the blue: Hyperaccumulation of molybdenum in the Indo-Pacific sponge Theonella conica science.org/doi/10.1126/sciadv

"Entotheonella serves as a detoxifying organ for accumulating metals inside the body of its #sponge hosts. Hoarding more and more molybdenum, the bacteria convert it from its toxic soluble state into a mineral."

Underwater photo of a sponge on the sea floor
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