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Keyword: symbiosis

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  • Primordial 'Asgard' Lifeform Has Been Successfully Grown in The Lab

    01/17/2020 10:53:57 AM PST · by Red Badger · 25 replies
    www.sciencealert.com ^ | 17 JAN 2020 | MICHELLE STARR
    When scientists ran DNA analysis on a sediment core taken from the floor of the Arctic ocean back in 2010, they found something surprising. A previously unknown organism belonging to the strange domain of microbes called Archaea appeared to have genomic characteristics associated with a totally different domain - Eukaryota. They named their discovery Lokiarchaeota, after the Loki's Castle hydrothermal vent near Greenland where it was found; but doubt shadowed the finding. Could the sample have been contaminated by something else in the core? Now, thanks to the work of Japanese scientists, those doubts can be put to rest. For...
  • Fungus, Get Off My Lawn!

    03/02/2013 9:26:09 PM PST · by neverdem · 3 replies
    ScienceNOW ^ | 1 March 2013 | Elizabeth Pennisi
    Enlarge Image Greedy guest. Fungi (blue lines) living among the cells of a grass cause that plant to make more seeds and less pollen. Credit: Jennifer Rudgers Life demands tradeoffs, and plants are no exception. Virginia wildrye, common on U.S. prairies and rangelands, often plays host to a fungus that helps this grass grow. But the plant pays a price. Researchers have discovered that infected plants produce less pollen than their noninfected counterparts. Instead, the fungus causes the rye grass to make extra seeds, which transmit the fungus to the next generation and new locations. This is the first...
  • Salamander's egg surprise - Algae enjoy symbiotic relationship with embryos.

    08/10/2010 12:27:42 AM PDT · by neverdem · 26 replies
    Nature News ^ | 4 August 2010 | Anna Petherick
    Scientists have stumbled across the first example of a photosynthetic organism living inside a vertebrate's cells. The discovery is a surprise because the adaptive immune systems of vertebrates generally destroy foreign biological material. In this case, however, a symbiotic alga seems to be surviving unchallenged — and might be giving its host a solar-powered metabolic boost. Algae cohabit with salamander embryos in their eggs — and inside their cells.T. LEVIN/PHOTOLIBRARY.COM The embryos of the spotted salamander (Ambystoma maculatum) have long been known to enjoy a mutualistic relationship with the single-celled alga Oophila amblystomatis. The salamanders' viridescent eggs are coloured by...
  • Young Rove's Dreams Became Everyone Else's Nightmare

    11/06/2004 3:52:30 PM PST · by republicanbred · 87 replies · 25,140+ views
    The Salt Lake Tribune ^ | Saturday November 6, 2004 | Dr. Brian Moench
    The year was 1968. The Vietnam War and the assassinations of Robert Kennedy and Martin Luther King Jr. were shaping history. Little did I know that walking next to me in the halls of Olympus High School that year was a friend who would shape history in 2004 as profoundly as these events did in 1968, the year Karl Rove and I were 17. Karl started out with every social disadvantage. He was the new kid, physically still pre-pubescent, the classic nerd, with Coke-bottle glasses, pants too short, belt too tight and, to make it even worse, he was non-Mormon....