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Scientists culture archaea closest to eukaryotes, revealing origins of complex life

Findings suggest archaeal ancestor of eukaryotes was anaerobic and structurally simple

3 Oct 29 · 10d ago · 4 articles · 1 post · 3 sources · development 3 of 3

The conservation of anaerobiosis, lack of internal membranes, and membrane protrusions across Promethearchaeota suggests the archaeal ancestor of eukaryotes shared these features. The transition to complex eukaryotic cells likely involved a steep shift in cell structure and physiology from anaerobiosis to aerobiosis, with early archaeal-mitochondrial interactions occurring under low-oxygen conditions.

Findings suggest archaeal ancestor of eukaryotes was anaerobic and structurally simple
nature.com

“The archaea–eukaryote transition would involve a steep transition in cell structure and physiological shift from anaerobiosis to (facultative) aerobiosis.”

Imachi et al.

Hiroyuki Imachi Research lead, JAMSTECMasaru K. Nobu Research co-lead, JAMSTECSatoshi Nakagawa Researcher, Kyoto University

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Peak 4 pieces in 3h at Oct 29, 1 AM; 8 pieces over 12 days (7 articles · 1 post) Oct 27, 7 PM — 2 pieces · 2 articles — Newswires 2Oct 27, 10 PM — quietOct 28, 1 AM — quietOct 28, 4 AM — quietOct 28, 7 AM — quietOct 28, 10 AM — quietOct 28, 1 PM — 1 piece · 1 article — Google News 1Oct 28, 4 PM — quietOct 28, 7 PM — quietOct 28, 10 PM — quietOct 29, 1 AM — 4 pieces · 3 articles · 1 post — Google News 3, Reddit 1Oct 29, 4 AM — quietOct 29, 7 AM — quietOct 29, 10 AM — 1 piece · 1 article — Newswires 1Oct 29, 1 PM — quietOct 29, 4 PM — quietOct 29, 7 PM — quietOct 29, 10 PM — quietOct 30, 1 AM — quietOct 30, 4 AM — quietOct 30, 7 AM — quietOct 30, 10 AM — quietOct 30, 1 PM — quietOct 30, 4 PM — quietOct 30, 7 PM — quietOct 30, 10 PM — quietOct 31, 1 AM — quietOct 31, 4 AM — quietOct 31, 7 AM — quietOct 31, 10 AM — quietOct 31, 1 PM — quietOct 31, 4 PM — quietOct 31, 7 PM — quietOct 31, 10 PM — quietNov 1, 1 AM — quietNov 1, 3 AM — quietNov 1, 6 AM — quietNov 1, 9 AM — quietNov 1, 12 PM — quietNov 1, 3 PM — quietNov 1, 6 PM — quietNov 1, 9 PM — quietNov 2, 12 AM — quietNov 2, 3 AM — quietNov 2, 6 AM — quietNov 2, 9 AM — quietNov 2, 12 PM — quietNov 2, 3 PM — quietNov 2, 6 PM — quietNov 2, 9 PM — quietNov 3, 12 AM — quietNov 3, 3 AM — quietNov 3, 6 AM — quietNov 3, 9 AM — quietNov 3, 12 PM — quietNov 3, 3 PM — quietNov 3, 6 PM — quietNov 3, 9 PM — quietNov 4, 12 AM — quietNov 4, 3 AM — quietNov 4, 6 AM — quietNov 4, 9 AM — quietNov 4, 12 PM — quietNov 4, 3 PM — quietNov 4, 6 PM — quietNov 4, 9 PM — quietNov 5, 12 AM — quietNov 5, 3 AM — quietNov 5, 6 AM — quietNov 5, 9 AM — quietNov 5, 12 PM — quietNov 5, 3 PM — quietNov 5, 6 PM — quietNov 5, 9 PM — quietNov 6, 12 AM — quietNov 6, 3 AM — quietNov 6, 6 AM — quietNov 6, 9 AM — quietNov 6, 12 PM — quietNov 6, 3 PM — quietNov 6, 6 PM — quietNov 6, 9 PM — quietYesterday, 12 AM — quietYesterday, 3 AM — quietYesterday, 6 AM — quietYesterday, 9 AM — quietYesterday, 12 PM — quietYesterday, 3 PM — quietYesterday, 6 PM — quietYesterday, 9 PM — quietToday, 12 AM — quietToday, 3 AM — quietToday, 6 AM — quiet 1–23
1–2Researchers isolate and culture two…3Findings suggest archaeal ancestor of…
Oct 28Oct 29Oct 30Oct 31Nov 1Nov 2Nov 3Nov 4Nov 5Nov 6now · 9:26 AM ET

Reported in the same hours no headline names this development itself — these 2 claims were published in its stretch

  1. 2 outlets Capturing Closest Archaeal Relatives May Reveal Eukaryote Origins

    first by Mirage News, 10d ago · also The National Tribune

    1 more headline
  2. 2 outlets Eukaryotes’ closest relatives are internally simple syntrophic peptidotrophic archaea

    first by Nature, 10d ago · also Nature News

All 3 developments of Scientists culture archaea closest to eukaryotes, revealing… →

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