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NASA: We didn't discover aliens, but we did discover bacteria that replaced phosphorus with arsenic

NASA did not discover extraterrestrial life as believed by those who were waiting for the press conference yesterday (Thursday), but they discovered that life can be more diverse and exist in toxic environments on Earth and beyond

Felicia Wolf Simon and one of her colleagues near Mono Lake in California
Felicia Wolf Simon and one of her colleagues near Mono Lake in California

NASA has not discovered life on other planets, but has found another form of life that is almost "alien" to the narrow, phosphorescent way we see life. Scientists have discovered or actually trained a type of bacteria that can grow almost entirely from what we think of as toxic and incorporate it into their DNA. This was stated at a press conference held yesterday (Thursday), and the announcement of which sparked a wave of rumors that NASA had discovered life outside of Earth.

The strange form of life that uses other substances and not phosphorus - what we believe to be the building block of life - is so different from what we think of as life on Earth, and may be proof of the existence of shadow biosphera - a second type of life that lives alongside the life we ​​know on Earth .

This also raises the hypothesis that the requirement for the beginning of life to be more flexible than we think, indicating that there may be other creatures in the solar system and beyond that can form under a wide variety of conditions.

"Our findings are a reminder that life as we know it can be much more flexible than we appreciate or can imagine" says Felice Wolf Simon, the lead researcher in the article published today in Science. "If life on Earth can be unpredictable, what can other life we ​​haven't seen yet do?"

The salt-loving bacterium, strain GFAJ-1, a member of the Halomonadaceae family of gammaproteobacteria, came from the toxic and salty Mono Lake near Yosemite Park in California. The lake is a dead end lake so over a thousand years it has accumulated the highest concentration of arsenic on earth.

Although the bacterium does not exist exclusively on the arsenic in the lake, the researchers took the bacterium to the laboratory and grew it in Petri dishes containing phosphoric salt and gradually replaced it with arsenic salt, until the bacterium could grow without the need for phosphates, an essential building block for a variety of macromolecules in the cell, including the nucleic acid, lipids and proteins.

They used radioactive materials and followed the route of the argan in the bacterium, from its absorption to its incorporation into various components in the cell. The arsenic completely replaced the phosphorus in the bacteria's molecules, down to the DNA.

"Life as we know it requires certain chemical components and does not use others" says Ariel Anbar, a biochemist and astrobiologist from the University of Arizona. "But are these the only options? What would another life look like? One of the guiding principles in the search for life on other planets, and in our astrobiology program, is that we can track the elements. Felicia's research teaches us that we must think harder about which foundations to follow."

Wolf-Simon added: "We took what we know about the 'constants' of the biosphere, especially that life requires the six CHNOPS elements - carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur in three components - DNA, proteins and lipids, and use them as a basis for scientific questions Even here on Earth." The idea that arsenic could be a substitute for phosphorus in life on Earth was proposed by Wolff Simon Pofetta in collaboration with Anbar and astrobiologist Paul Davies. Their hypothesis was published in January 2009 in an article called "Did nature also choose arsenic" in the International Journal of Astrobiology.

"We not only hypothesize that biochemical systems similar to those of today can use arsenic in the same biological role as phosphorus," said Wolf Simon, but also that these creatures could have evolved on the ancient Earth and may survive in today's extreme environments."
The new research is the first to show microorganisms capable of using toxic substances to develop and support growth and life.

http://www.youtube.com/watch?v=ObkqIMPmaJw

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20 תגובות

  1. Gillian
    What is this conviction? The evil you are broadcasting flows from my screen
    Someone once hurt your ego so you vent it here?
    There is a way to argue, we are not idiots

  2. A guy who spoke about this discovery quoted the character played by Jeff Goldblum in the movie "Jurassic Park" who says: "LIFE WILL FIND A WAY". Because this is actually the story, another limit that life broke through which causes one to wonder about the durability of the other limits that supposedly delimit the phenomenon of life.

  3. To Yron:

    Our friend Dr. Fatal, and this is how it already appears in the title of the article, of course ignores the whole subject of UFOs and therefore it is about burying one's head in the sand and ignoring scientific, reliable information that leaves no shadow of doubt.

    Ignoring scientific information and such that has been officially investigated, even if it arouses controversy, only proves how the established academy works - that is, the mainstream in science. Is there a scientific answer here and a scientific reference to the phenomenon? Definitely not. There is walking in a certain rut here, mental fixation and a reluctance to do real research - after all, it is easier to publish statements than to research.

    Therefore, this article has nothing and nothing to do with a real scientific examination of the subject of extraterrestrial life and contains nothing more than a focus on bacteria - information that does not add much to the existing situation and what is known about the fact that life develops even in extreme niches.

    Hanan Sabat
    http://WWW.EURA.ORG.IL

  4. In my opinion, most of the commenters here are extraterrestrials.
    If someone sends a research team here, a Nobel Prize for the study of the nebulae is only a matter of time.
    Although most of them are at the intellectual level of single-celled creatures, but they too need to be studied by someone.

  5. Sorry? Who is editing my posts without identifying myself and with such blatant paranoid accusations? And why are my messages even "awaiting approval"? Did I suddenly become a second-class citizen in the "Hidan"? My father - is this acceptable to you and in your knowledge? I do not think so…

  6. Hanan:
    You defamed NASA here, and when they asked you for some kind of substantiation for your claim (a substantiation you probably didn't create, but you saw somewhere and it was in your hand - all you had to do to provide it was to point to some link) you were content with not answering.
    You sent the applicant to search for the answer himself and provided a link to something that does not belong to the question.
    You say you are not afraid - so what made you behave like that? Just meanness?

    Gillian:
    I simply asked Roi to post the information he gets so we can all see it.
    The one who interferes in the discussion without any reason when his only goal is to fight and argue is you.

  7. If the topic interests you, it would be appropriate for you to treat it as if it interests you and not as if you are pushing your nose into the discussion just because you have to say something, some kind, casually.

    I didn't try to prevent you from anything, just put a mirror in front of your face - nothing less and nothing more.

    And what to do Michael, we are really not original, admit it - we are based on facts and findings, not on beliefs and mantras as you do, problem...

  8. Michael:

    I'm not afraid... I just don't think that a talkback in an article is the place to publish another article. There is no confidential information here, but information that is not the right place to publish it.

    I assume that those who were interested in this could write a whole article on the subject and publish it not in a talkback, but as an independent article on the website.

    Therefore, I mentioned that those who are interested in more information can contact us... nothing less and nothing more. And those who do not wish to contact, should contact Urim and Thummim of Israel: Wikipedia. Although a problematic source of information, there is the English entry on the subject of the red rains.

  9. Mono Lake is non-toxic, and serves as Los Angeles' primary water source. The movie "Chinatown" dealt with the purchase of the lake by the LA municipality.

  10. Gillian:
    I guess you don't think you will decide for me when I should respond.
    Maybe you don't understand this but the topic interests me and if there is information that Hanan Sabat promises to send to someone but refrains from publishing here - I still want to read it.
    Do you think you have the authority to prevent this from me?
    Of course, the question arises as to what the person who refrains from publishing the information on the website is afraid of, but if the information arrives through indirect legal means.
    By the way, I admit that finding out the facts and basing only on them is much less original than inventing fictional stories about aliens.

  11. Michael, if and when you have something independent and original to say under a casual intervention in a discussion that doesn't concern you at all just because you have to say something even if it is obviously lacking in relevance and content, we would love to hear it.

  12. I was required to study the subject of the red rains in the past as well.

    I would be happy to provide the research I have and refer to the sources - preferably by email, of course.

    You can also search for general information by:http://en.wikipedia.org/wiki/Red_rain_in_Kerala

    The case of the red rains, in my opinion, is much more interesting and unusual than the aforementioned case of NASA.

  13. Ami:
    If and when you receive a response from Donna with content - you are welcome to post it here.

  14. To my people - to the best of my knowledge, as of today, there is no unequivocal opinion regarding the meteorite found from Mars. The controversy still exists - is it a chemical reaction or the remains of microorganisms.

    The above cases that I mentioned were ignored for only one reason - that NASA is not responsible for the discoveries and no scientist or academic institution is behind them. Since there are also ego games and credits here, they prefer to ignore these cases and concentrate only on their own revelations.

    And as for references, I would be happy to refer you to studies about the red rains (some of them are on our website for download, in the scientific studies rubric). If you can't find it, feel free to contact us by email: eura.isr@gmail.com

  15. Hanan, I don't know about the discovery in question, but I remember that NASA also got excited a few years ago and made a big fuss about a certain meteorite that came from Mars and found patterns inside it that look like fossilized life forms ("worms") but in the end scientists who looked into the matter came to the conclusion that these patterns are not life forms but only the result of chemical reactions.

    So I take statements like this with a grain of salt.

    Can you direct me to pictures of the external microbes you are talking about?

  16. For MJ12:

    You mean the movie "Seed of Andromeda"... there are 2 versions of it. From the sixties (and in my opinion this is the best version from the XNUMXs).

    and N.B. - The insult to intelligence will continue and the main thing is that everyone will be happy, NASA will receive budgets to study bacteria and SETI will continue to provide their enormous contribution to humanity in the form of a screensaver...

    happy hanucah

  17. 1. The media, as usual, inflated the story to unusual proportions. The discovery is unusual, but of course it is not about anything extraterrestrial or beyond the family of extremophilic bacteria.

    2. NASA at the same time continues to ignore a press conference held yesterday in which a meteorite was presented, in the core of the ice found in it, apparently the remains of extraterrestrial microorganisms were discovered. This discovery is also being completely ignored by the scientific establishment, if only for the reason that the meteorite is in private hands and the credit for the discovery is neither NASA nor a recognized scientific organization.

    3. The subject of the red rains in India is also somewhat ignored, even though in the above case, there is a very high probability that the organisms found in it are indeed of extraterrestrial origin - something that supports the theory of panspermia.

    Hanan Sabat
    http://WWW.EURA.ORG.IL

  18. It reminds me of the movie where some alien bacterium with a basic structure of sulfur returns with a satellite back to Earth to spread and destroy - and nothing stops it, hindering its rapid adaptation.
    The only thing that stops him in the end is Bacillus Infernus (the bacteria from hell) that feeds on sulfur

    But on the subject of aliens,
    How long will they continue to insult our intelligence and continue to hide the matter?

    http://www.youtube.com/watch?v=Cu1B0r3EY_8

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