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BBC: Bacteria “see” like tiny eyeballs

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Diagram of a typical cyanobacterial cell
cyanobacterium/Kelvinsong, CC

From the article:

Biologists say they have solved the riddle of how a tiny bacterium senses light and moves towards it: the entire organism acts like an eyeball.

Despite being just three micrometres (0.003mm) in diameter, the bacteria in the study use the same physical principles as the eye of a camera or a human.

This makes them “probably the world’s smallest and oldest example” of such a lens, the researchers write in the journal eLife.

Cyanobacteria, including the Synechocystis species used in the study, are an ancient and abundant lifeform. They live in water and get their energy from photosynthesis – which explains their enthusiasm for bright light.

“Cyanobacteria are 2.7 billion years old, so it’s much older than any animal eye. Presumably, this mechanism has existed for a very long time.”More.

All just happened suddenly one day, to a single cell …

See also: Can all the numbers for life’s origin just happen to fall into place?

and

Stasis: Life goes on but evolution does not happen

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5 Replies to “BBC: Bacteria “see” like tiny eyeballs

  1. 1
    Axel says:

    Here is a truly miraculous opthalmological phenomenon : the mysterious image of the Virgin of Guadalupe on the cloak of a Mexican peasant, 12 years after Cortes arrival, shows the most remarkable details of human eyes and eye-lids when infra red photographs are blown up :

    ‘But there is a mystery within the mystery: blow ups show that the eyelids are depicted in such detail as to show all the blood vessels typical in a human eye. By observing the Virgin’s pupils using digital enhancement techniques, scientist José Aste Tönsmann, a professor at America’s Cornell University, noticed that both eyes featured equally detailed images with angulations and proportions similar to those of a living person. These images are so tiny that they can only be made out by magnifying the eyes up to 2,000 times, using techniques available today. This had previously not been possible.’

    http://www.lastampa.it/2016/02.....agina.html

    Be very afraid, those of you who think God is a rotter, but He doesn’t exist !

  2. 2
    GaryGaulin says:

    As in two short comments in another thread:
    http://www.uncommondescent.com.....ent-597379

    What people want to know about is how that fits into what ID theory states, and for some it must parallel what Genesis and help make sense of why our creator was mentioned in plural form and such that was like this possible:

    The theory of intelligent design holds that certain features of the universe and of living things are best explained by an intelligent cause, whereby the behavior of matter powers a coexisting trinity of systematically self-similar (in each other’s image, likeness) intelligent systems at the molecular, cellular and multicellular level as follows:

    http://theoryofid.blogspot.com/

    Being able to start off a scientific theory this way is like bash down the wooden gate of the castle with a 500k ton crane amazing fun. The discovery of cell eyeballs adds to the amount of self-similarity between intelligence levels. The theory predicts the same likeness at the genetic level, where it gets harder but is still possible to conceptualize an eyeball on the world with memory system that can recall back to when life first began on this planet. The best is yet to come.

  3. 3
    Mung says:

    A light sensing spot from the very beginning of life. Darwin is vindicated. Vision is front-loaded. Design is falsified.

  4. 4
    Mung says:

    …the discovery of cell eyeballs…

  5. 5
    Mung says:

    She says they evolve oxygen. =P

    It’s true.

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