Cell biology Intelligent Design

Yet another new type of intercellular communication discovered

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From ScienceDaily:

Without touching and without electrical or chemical signals, individual Spirostomum can coordinate their ultrafast contractions so closely that groups of them appear to shrink simultaneously — a reaction to predators that makes them release paralyzing toxins in sync.

“There are many different ways of communication in biology but this is really a new kind of signaling between cells that we’re trying to understand,” said Arnold Mathijssen, a postdoctoral scholar in the Prakash lab and lead author of the paper. “It’s possible this is more universal than we’ve described so far and is a way many different kinds of organisms communicate.” …

“The first cell contracts and generates a flow, which triggers the second and that one triggers the third. So, you get this propagating trigger wave that passes through the whole colony,” described Mathijssen. “These are big, long-range vortex flows and the velocities of the communication rise up to meters per second — even though each cell is only 1 to 4 millimeters long.” Paper. paywall – Arnold J. T. M. Mathijssen, Joshua Culver, M. Saad Bhamla, Manu Prakash. Collective intercellular communication through ultra-fast hydrodynamic trigger waves. Nature, 2019; DOI: 10.1038/s41586-019-1387-9 More.

Amazing how often so many life forms have just gotten lucky and tumbled into exactly what they needed via pure randomness.

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Researchers: Helpful gut microbes send messages to their hosts If the strategy is clearly identified, they should look for non-helpful microbes that have found a way to copy it (horizontal gene transfer?)

Cells and proteins use sugars to talk to one another Cells are like Neanderthal man. They get smarter every time we run into them. And just think, it all just tumbled into existence by natural selection acting on random mutations (Darwinism) too…

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2 Replies to “Yet another new type of intercellular communication discovered

  1. 1
    OLV says:

    “Amazing how often so many life forms have just gotten lucky and tumbled into exactly what they needed via pure randomness.”

    But that’s just the way it is. 🙂

    However, that “functional complexity of complex functionality” is just an illusion. 🙂

    In this recent OP by GP we have another proof that the biological systems are not as complex as they seem. 🙂

  2. 2
    polistra says:

    The function isn’t really ‘newly discovered’. Baroreceptor neurons in blood vessels work the same way. Fluid pressure opens ion gates, leads ultimately to muscular response. What’s interesting is that these two uses of the same function serve the same overall PURPOSE, regulating fight and flight. Suggests that they could involve the same gene, since each gene is a PURPOSE.

    The fight AND flight in these ciliates is also interesting. It was rediscovered by human military tacticians much later. See ‘Parthian shot’.

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