I wanted to dig into the origins of the action potential. Well, you may know it isn’t a nervous system invention. It has been ‘borrowed’ from mechanosensory contractile cells. https://t.co/eLYvz9Smv7
From damage response to action potentials: early evolution of neural and contractile modules in stem eukaryotes.
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Feb 2019 – Aug 2023Where it's discussed
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X / Twitter25 posts
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Blogs3 articles
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YouTube2 videos
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What people are saying
The discussions show enthusiasm for the topic, exemplified by comments like 'I liked this video a lot' and references to a documentary series on brain evolution, which reflect excitement and curiosity. Derivative mentions such as 'the origins of the action potential' and discussions about competition among ciliates highlight their engagement with the scientific content, with some referencing specific mechanisms like calcium influx and contraction, demonstrating moderate to deep interest.
Most discussions acknowledge the significance of the research, with some explicitly supporting the evolutionary hypothesis presented.
Participants demonstrate high interest, often highlighting curiosity about the origins of neural functions and evolutionary processes.
Comments include references to related videos and detailed queries, indicating moderate to deep engagement with the topic.
The discussions reflect a recognition that understanding early neural evolution could influence broader fields like neuroscience and microbiology, though this recognition is somewhat implied rather than explicitly stated.
Abstract in brief
- The text presents an evolutionary hypothesis suggesting that the depolarization-contraction-secretion (DCS) coupling mechanism in animal neuromuscular systems originated in unicellular stem eukaryotes as a response to calcium influx caused by membrane damage.
- It explains that this initial emergency response was later adapted into an ancient mechanosensory-effector pathway in the last common ancestor of eukaryotes, facilitating movement and cellular responses.
- Additionally, it discusses how the development of voltage-sensitive sodium-calcium channels in cilia allowed for rapid, coordinated action potentials that spread throughout the cell, leading to specialized cells like neurons and muscle cells, foundational to the nervous system.]
Top posts
Most liked on X and BlueskyIn order to avoid being eaten by predators, certain ciliates have evolved the ability to flinch to get out of the way. And when they contract, they can travel as fast as 1,200 body lengths per second! https://t.co/dBz5HYkZhy
Check out our new YouTube mini-series! A documentary about how the brain evolved. Today, the first episode: The first brains. #brain #neuroscience #evolution #Documentary If you like this episode, feel free to share! https://t.co/9CUlgFbkKz
From damage response to action potentials: early evolution of neural and contractile modules in stem eukaryotes https://t.co/FizWRHn9gt
@RomainBrette @matthewcobb @WiringTheBrain On a related note, I found this paper by @thibaut_brunet particularly interesting, though the focus isn't primarily ciliates: https://t.co/2NSR4k2r0n
https://t.co/WpVYxf4mvQ
All mentions
Evolution of Neural and Contractile Modules in Eukaryotes
This video explores the origin of neural and muscle systems from unicellular ancestors, focusing on how calcium influx from membrane damage led to early depolarization-contraction mechanisms that evolved into complex…
Evolution of the Brain: From Simple Nerve Nets to Complex Neural Systems
Discover how the brain evolved from basic nerve nets responding to touch to complex structures with autonomous movement, examining early neural and contractile modules and the development of specialized cells like…
https://t.co/B5PzI1cMLg
RT @sbreiff: @RomainBrette @matthewcobb @WiringTheBrain On a related note, I found this paper by @thibaut_brunet particularly interesting,…
@RomainBrette @matthewcobb @WiringTheBrain On a related note, I found this paper by @thibaut_brunet particularly interesting, though the focus isn't primarily ciliates: https://t.co/2NSR4k2r0n
Evolution Of The Brain: The First Brains | Mini-Series Documentary - Epi... https://t.co/zT3817fRsc via @YouTube
RT @JulioMTNeuro: I wanted to dig into the origins of the action potential. Well, you may know it isn’t a nervous system invention. It has…
RT @JulioMTNeuro: I wanted to dig into the origins of the action potential. Well, you may know it isn’t a nervous system invention. It has…
RT @JulioMTNeuro: I wanted to dig into the origins of the action potential. Well, you may know it isn’t a nervous system invention. It has…
RT @JulioMTNeuro: I wanted to dig into the origins of the action potential. Well, you may know it isn’t a nervous system invention. It has…
I wanted to dig into the origins of the action potential. Well, you may know it isn’t a nervous system invention. It has been ‘borrowed’ from mechanosensory contractile cells. https://t.co/eLYvz9Smv7
RT @pandemic_de: https://t.co/WpVYxf4mvQ
https://t.co/WpVYxf4mvQ
RT @MilesWischnews1: Check out our new YouTube mini-series! A documentary about how the brain evolved. Today, the first episode: The first…
@UntoNuggan https://t.co/ZzgMNAtTDQ I liked this video a lot
Flinching Saves Lives in the Microcosmos https://t.co/MxJYInFfbN via @YouTube
https://t.co/qSsfgAA8np #microbiology #science #education
RT @JourneyToMicro: In order to avoid being eaten by predators, certain ciliates have evolved the ability to flinch to get out of the way.…
Video: Flinching Saves Lives in the Microcosmos [11:02] https://t.co/TzcCttgz29 https://t.co/UUmIo3SD7r
RT @JourneyToMicro: In order to avoid being eaten by predators, certain ciliates have evolved the ability to flinch to get out of the way.…
https://t.co/9lOnlaisJ0
RT @JourneyToMicro: In order to avoid being eaten by predators, certain ciliates have evolved the ability to flinch to get out of the way.…
Flinching Saves Lives in the Microcosmos https://t.co/LQirPsXO1Z via @YouTube
In order to avoid being eaten by predators, certain ciliates have evolved the ability to flinch to get out of the way. And when they contract, they can travel as fast as 1,200 body lengths per second! https://t.co/dBz5HYkZhy
Check out our new YouTube mini-series! A documentary about how the brain evolved. Today, the first episode: The first brains. #brain #neuroscience #evolution #Documentary If you like this episode, feel free to share! https://t.co/9CUlgFbkKz
RT @Svetadotfi: From damage response to action potentials: early evolution of neural and contractile modules in stem eukaryotes https://t.c…
From damage response to action potentials: early evolution of neural and contractile modules in stem eukaryotes https://t.co/FizWRHn9gt
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