#evolutionarybiology — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #evolutionarybiology, aggregated by home.social.
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Antibiotic-resistant bacteria possess a critical vulnerability within their cell wall transport systems that, when disrupted, drastically reduces their resistance. This discovery reveals an evolutionary trade-off where the genetic mechanisms bacteria use to survive antibiotic exposure can simultaneously be exploited to make them susceptible to existing treatments.
#MolecularBiology #Microbiology #Bacteriology #EvolutionaryBiology #sflorg
https://www.sflorg.com/2026/09/mbio09102601.html -
Antibiotic-resistant bacteria possess a critical vulnerability within their cell wall transport systems that, when disrupted, drastically reduces their resistance. This discovery reveals an evolutionary trade-off where the genetic mechanisms bacteria use to survive antibiotic exposure can simultaneously be exploited to make them susceptible to existing treatments.
#MolecularBiology #Microbiology #Bacteriology #EvolutionaryBiology #sflorg
https://www.sflorg.com/2026/09/mbio09102601.html -
Antibiotic-resistant bacteria possess a critical vulnerability within their cell wall transport systems that, when disrupted, drastically reduces their resistance. This discovery reveals an evolutionary trade-off where the genetic mechanisms bacteria use to survive antibiotic exposure can simultaneously be exploited to make them susceptible to existing treatments.
#MolecularBiology #Microbiology #Bacteriology #EvolutionaryBiology #sflorg
https://www.sflorg.com/2026/09/mbio09102601.html -
Antibiotic-resistant bacteria possess a critical vulnerability within their cell wall transport systems that, when disrupted, drastically reduces their resistance. This discovery reveals an evolutionary trade-off where the genetic mechanisms bacteria use to survive antibiotic exposure can simultaneously be exploited to make them susceptible to existing treatments.
#MolecularBiology #Microbiology #Bacteriology #EvolutionaryBiology #sflorg
https://www.sflorg.com/2026/09/mbio09102601.html -
Antibiotic-resistant bacteria possess a critical vulnerability within their cell wall transport systems that, when disrupted, drastically reduces their resistance. This discovery reveals an evolutionary trade-off where the genetic mechanisms bacteria use to survive antibiotic exposure can simultaneously be exploited to make them susceptible to existing treatments.
#MolecularBiology #Microbiology #Bacteriology #EvolutionaryBiology #sflorg
https://www.sflorg.com/2026/09/mbio09102601.html -
Local evolutionary adaptation occurs when populations of a single species develop heritable, genetic traits that are finely tuned to the highly specific conditions of their immediate environment.
#EvolutionaryBiology #Ecology #ConservationBiology #sflorg
https://www.sflorg.com/2026/09/ebio09102601.html -
https://www.europesays.com/ie/681036/ Adaptive zones of feliforms and evolutionary regimes within terrestrial mammalian carnivores #BiologicalAndPhysicalAnthropology #Ecology #Éire #EvolutionaryBiology #EvolutionaryEcology #general #IE #Ireland #LifeSciences #Palaeoecology #palaeontology #paleontology #Science #Zoology
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Coevolution (Habitat 🌄)
In biology, coevolution occurs when two or more species reciprocally affect each other's evolution through the process of natural selection. The term sometimes is used for two traits in the same species affecting each other's evolution, as well as gene-culture coevolution. Charles Darwin mentioned evolutionary i...
https://en.wikipedia.org/wiki/Coevolution
#Coevolution #Habitat #EcologicalProcesses #EvolutionaryBiology #EvolutionOfTheBiosphere #EnvironmentalTerminology
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Coevolution (Habitat 🌄)
In biology, coevolution occurs when two or more species reciprocally affect each other's evolution through the process of natural selection. The term sometimes is used for two traits in the same species affecting each other's evolution, as well as gene-culture coevolution. Charles Darwin mentioned evolutionary i...
https://en.wikipedia.org/wiki/Coevolution
#Coevolution #Habitat #EcologicalProcesses #EvolutionaryBiology #EvolutionOfTheBiosphere #EnvironmentalTerminology
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It is a remarkably humbling realization that a single, unnoticed bite from an arthropod the size of an apple seed can completely rewrite an individual's relationship with the global food chain. Alpha-gal syndrome reminds us that the human immune system, for all its staggering sophistication and atomic-level precision, remains intimately and sometimes precariously tethered to the natural world.
#WhatIs #Immunology #MolecularBiology #EvolutionaryBiology #Entomology #sflorg
https://www.sflorg.com/2026/09/wi09102601.html -
Parasitic plants, such as dodders, acquire and permanently integrate functional foreign genes from their host plants through horizontal gene transfer (HGT). Instead of merely preserving these stolen genes, the parasites structurally remodel them over millions of years while retaining their original biological functions.
#PlantGenetics #EvolutionaryBiology #MolecularBiology #PlantPhysiology #sflorg
https://www.sflorg.com/2026/08/bot08272601.html -
This week's #NewBooks at the library:
- Another second-hand volume to my growing collection of The Correspondence of #CharlesDarwin, this one Volume 26: 1878, published by Cambridge University Press.
- #Warhammer: The Art of #GamesWorkshop, a rather rare exhibition catalogue of grimdark artwork that I bought via eBay.
- I Have Landed: The End of a Beginning in #NaturalHistory, the final of the essay bundles from #StephenJayGould, published by Harmony Books.#Books #Bookstodon #HistoryOfScience #ScienceHistory #HistSci #Evolution #EvolutionaryBiology #Scicomm @bookstodon
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University of Michigan researchers utilized advanced artificial intelligence to demonstrate that passerine birds (order Passeriformes) underwent rapid bursts of morphological evolution that directly coincided with major historical climate shifts.
#EvolutionaryBiology #Ornithology #Paleoclimatology #ComputationalBiology #AI #sflorg
https://www.sflorg.com/2026/07/ebio07202601.html -
A recently re-evaluated moss gene, PpWOX13LC, actively regulates plant reproduction by acting as a genetic brake to limit sporophyte development and ensure efficient parental resource allocation.
#EvolutionaryBiology #PlantGenetics #MolecularBiology #Botany #sflorg
https://www.sflorg.com/2026/06/ebio06182601.html -
So if I understood this article correctly, the key conclusion is this - metamorphosis was not the condition for moving onto land?
The traditional picture was:
Tetrapods could leave water because they first evolved a tadpole-like larval stage and then metamorphosed.
The new interpretation suggested by these fossils is closer to:
Tetrapods gradually adapted to land over evolutionary time, and they probably did not need a frog-like metamorphosis to do it.
In other words, metamorphosis was probably not a prerequisite for terrestrial life. Instead, the transition from water to land appears to have been a long, gradual evolutionary process affecting the whole life cycle, rather than depending on a distinct larval stage.
Analogy of two possible scenarios:
Old model
- Young live in water.
- Undergo a major developmental transition.
- Adults become adapted to life on land.
New model
- Young and adults share the same basic body plan.
- Land adaptations accumulate gradually over millions of years (generations).
So the narrative shifts from:
Metamorphosis enabled the move onto land
to:
The move onto land happened gradually, and amphibian-style metamorphosis likely evolved later as a specialized adaptation.
https://www.404media.co/a-new-fossil-discovery-just-rewrote-150-years-of-evolutionary-theory
#Biology #Evolutionary #EvolutionaryBiology #Fossil #Discovery #Metamorphosis #Tetrapods #Science
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“Unhappy is the land that needs a hero”*…
To the extent that evolutionary biologist and sociobiologist Robert Trivers has been in the news over the last decade, it has been for his entanglement with and highly-questionable defense of Jeffrey Epstein. But as Lionel Page reminds us, two decades before that– well before he could have known the execrable “financier”– Trivers made hugely important contributions to his field…
Steve Stewart-Williams announced… that Robert Trivers passed away.
Trivers was one of the most—perhaps the most—influential evolutionary biologists of the 20th century. His work should be much more widely known in social and behavioural sciences, in particular in economics, as Trivers’ intellectual approach is very much in line with a game theoretic understanding of social interactions.
It is hard to overstate the importance of his work. Einstein famously published four groundbreaking papers in 1905, a year often referred to as his “Annus mirabilis”, during which he revolutionised physics. Trivers might be said to have had a “Quinquennium Mirabile” for the five years between 1971 and 1976, during which he produced a series of ideas that revolutionised evolutionary biology…
[Page unpacks four of those contributions: Reciprocal Alturism, Parental Investment, Parental Offspring Conflict, and Self-Deception, each fascinating…]
… Trivers has been one of the most influential evolutionary biologists, and his papers are still worth reading today. His insights, published more than 50 years ago, are fascinating. They often align very well with economic theories of behaviour, and it is therefore regrettable that his ideas are not more well-known in economics, and in particular in behavioural economics.
A key feature of Trivers’ take across these contributions was to see that beneath the world of social interactions we observe, there are deep structures in terms of incentives that shape the game we play. Understanding these games and their structures helps us make sense of the seemingly endless complexity of human psychology and social dynamics. In several key contributions, Trivers helped lift the veil on the underlying logic of human behaviour…
From cooperation to conflict: the evolutionary grammar of social interactions: “The fascinating insights of Robert Trivers” from @lionelpage.bsky.social.
For more on Trivers and the controversies in his life (Epstein, but also the Black Panthers and a Rutgers set-to), all of which followed the burst of productivity described above, see here.
And for some thoughts on how one might reconcile appreciation for a scientist’s work with abhorence of his later sins, see “Ghosts of Science Past Still Haunt Us. We Can Put Them to Rest.“
* Bertolt Brecht (through the mouth of Galileo, in The Life of Galileo)
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As we linger over legacies, we might send material birthday greetings to a man who helped lay the groundwork for the field to which Trivers contributed, Ludwig Büchner; he was born on this date in 1824. A philosopher, physiologist, and physician, he became one of the leading exponents of 19th-century scientific materialism. Büchner was an early champion of Darwin’s theory of evolution, endorsing it within a decade of its first issuance, then did much to spread it by citing and building on it in his own books.
As far as we know, Büchner’s life was free of the scandal and conflict that plagued Trivers. He taught at the University of Tübingen and published dozens of books and papers. Later in his life he founded he “German Freethinkers League” (“Deutsche Freidenkerbund”) and served as a member of the second chamber of the Landstände of the Grand Duchy of Hesse as a representative of the German Free-minded Party from 1884 to 1890. He was the younger brother of Georg Büchner, a famous revolutionary playwright, and Luise Büchner, a women’s rights advocate; and he was the uncle of Ernst Büchner, inventor of the Büchner flask.
#culture #Darwin #evolution #evolutionaryBiology #history #humanBehavior #LudwigBüchner #LudwigBuchner #Materialism #ParentalInvestment #ParentalOffspringConflict #Psychology #ReciprocalAlturism #RobertTrivers #Science #scientificMaterialism #SelfDeception #socialDynamics #sociobiology #theoryOfEvolution -
🦖🔬 Oh, look! Another professor with a fancy title and a book to sell thinks he can rewrite the entire evolutionary playbook. Meanwhile, #orcas are branching out like #hipsters with niche diets. Spoiler alert: science is always moving, Kevin, but thanks for the whale facts. 🙄📚
https://aeon.co/essays/science-in-flux-is-a-revolution-brewing-in-evolutionary-theory #evolutionarybiology #sciencecommunication #nicheideas #academiccritique #HackerNews #ngated -
Shotgun sequencing of airborne eDNA achieves rapid assessment of whole biomes, population genetics and genomic variation
Permitting The analysis of human-derived eDNA from field obtained samples and human-related sampling was conducted…
#NewsBeep #News #Genetics #BiologicalandPhysicalAnthropology #CA #Canada #Ecologicalgenetics #Ecology #Epidemiology #EvolutionaryBiology #general #Geneticvariation #LifeSciences #Molecularecology #Paleontology #Science #Zoology
https://www.newsbeep.com/ca/10208/ -
Shotgun sequencing of airborne eDNA achieves rapid assessment of whole biomes, population genetics and genomic variation
Permitting The analysis of human-derived eDNA from field obtained samples and human-related sampling was con…
#NewsBeep #News #Genetics #BiologicalandPhysicalAnthropology #Ecologicalgenetics #Ecology #Epidemiology #EvolutionaryBiology #general #Geneticvariation #LifeSciences #Molecularecology #paleontology #Science #UK #UnitedKingdom #Zoology
https://www.newsbeep.com/uk/9802/ -
#EukaryoticCells emerged as #evolutionary algorithmic phase transition: #Eukaryogenesis happened abruptly, led by the tension of increasing gene length and the constraints on producing longer #proteins // #EvolutionaryBiology #ComputerBiology #evolution
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The eukaryotic cell emerged as an evolutionary algorithmic phase transition / Eukaryogenesis happened abruptly, led by the tension of increasing gene length and the constraints on producing longer proteins / Evolvement of the eukaryotic cell is the most significant increase in complexity in the history of life's evolution on Earth 👉 https://press.uni-mainz.de/eukaryotic-cell-emerged-as-evolutionary-algorithmic-phase-transition/
#EvolutionaryBiology #ComputerBiology #eukaryotic #genes #proteins #evolution #EukaryoticCells #eukaryogenesis #biology #physics
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Sister group (Evolutionary biology 🧬)
In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative of another given unit in an evolutionary tree.
https://en.wikipedia.org/wiki/Sister_group
#SisterGroup #Taxa #Phylogenetics #EvolutionaryBiology #BiologicalClassification
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#RobertTrivers - #Mathematics and #Evolution
https://www.youtube.com/watch?v=-s9bGGB_zd0
#Philosophy #PhilosophyOfBiology #Biology #PhilosophyOfScience #Science #EvolutionaryBiology #Evolution #Kinship #Altruism #Parent #Offspring #Child #Children #Family #Mammals #Competition #Conflict #Islam #Hinduism #Muslim #Hindu #Caste #CasteSystem #CloserToTruth #RobertKuhn
