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ScienceQuiet 9d · day 11

Researchers map how spiders turn liquid 'silk dope' into solid silk fiber

New molecular-level research shows spider silk proteins pass through semiliquid droplets called condensates before hardening into fiber tougher than Kevlar.

newest coverage 9d agosummary written 10d ago7 pieces76 likes & upvotes9 comments NewswiresHacker NewsMastodonGoogle News

What to know

  • Spider silk is tougher than Kevlar and stronger than steel, but lab replication has failed because the molecular mechanism of its formation was poorly understood.
  • New research led by Gregory Holland shows silk proteins pass through a semiliquid 'condensate' phase before hardening into solid fiber.
  • The findings connect spider silk formation to a broader biological strategy—condensates—also used in genetic processes and other strong natural materials.
  • Understanding this process could inform synthetic production of spider silk for seat belts, helmets, naval materials, and neural repair scaffolds.

Gregory Holland Chemist and spectroscopist, San Diego State UniversityMatthew Harrington Biological materials scientist, McGill University

Researchers map how spiders turn liquid 'silk dope' into solid silk fiber
quantamagazine.org

How it unfolded 2 developments, newest first · click a bar or a number to jump articlesposts

Peak 3 pieces in 3h at Oct 28, 11 AM; 7 pieces over 11 days (4 articles · 3 posts) Oct 28, 11 AM — 3 pieces · 2 articles · 1 post — Newswires 2, Hacker News 1Oct 28, 2 PM — 3 pieces · 2 articles · 1 post — Google News 2, Mastodon 1Oct 28, 5 PM — quietOct 28, 8 PM — quietOct 28, 11 PM — quietOct 29, 2 AM — quietOct 29, 5 AM — quietOct 29, 8 AM — quietOct 29, 11 AM — quietOct 29, 2 PM — quietOct 29, 5 PM — quietOct 29, 8 PM — quietOct 29, 11 PM — quietOct 30, 2 AM — quietOct 30, 5 AM — quietOct 30, 8 AM — 1 piece · 1 post — Mastodon 1Oct 30, 11 AM — quietOct 30, 2 PM — quietOct 30, 5 PM — quietOct 30, 8 PM — quietOct 30, 11 PM — quietOct 31, 2 AM — quietOct 31, 5 AM — quietOct 31, 8 AM — quietOct 31, 11 AM — quietOct 31, 2 PM — quietOct 31, 5 PM — quietOct 31, 8 PM — quietOct 31, 11 PM — quietNov 1, 1 AM — quietNov 1, 4 AM — quietNov 1, 7 AM — quietNov 1, 10 AM — quietNov 1, 1 PM — quietNov 1, 4 PM — quietNov 1, 7 PM — quietNov 1, 10 PM — quietNov 2, 1 AM — quietNov 2, 4 AM — quietNov 2, 7 AM — quietNov 2, 10 AM — quietNov 2, 1 PM — quietNov 2, 4 PM — quietNov 2, 7 PM — quietNov 2, 10 PM — quietNov 3, 1 AM — quietNov 3, 4 AM — quietNov 3, 7 AM — quietNov 3, 10 AM — quietNov 3, 1 PM — quietNov 3, 4 PM — quietNov 3, 7 PM — quietNov 3, 10 PM — quietNov 4, 1 AM — quietNov 4, 4 AM — quietNov 4, 7 AM — quietNov 4, 10 AM — quietNov 4, 1 PM — quietNov 4, 4 PM — quietNov 4, 7 PM — quietNov 4, 10 PM — quietNov 5, 1 AM — quietNov 5, 4 AM — quietNov 5, 7 AM — quietNov 5, 10 AM — quietNov 5, 1 PM — quietNov 5, 4 PM — quietNov 5, 7 PM — quietNov 5, 10 PM — quietNov 6, 1 AM — quietNov 6, 4 AM — quietNov 6, 7 AM — quietNov 6, 10 AM — quietNov 6, 1 PM — quietNov 6, 4 PM — quietNov 6, 7 PM — quietNov 6, 10 PM — quietYesterday, 1 AM — quietYesterday, 4 AM — quietYesterday, 7 AM — quietYesterday, 10 AM — quietYesterday, 1 PM — quietYesterday, 4 PM — quietYesterday, 7 PM — quietYesterday, 10 PM — quietToday, 1 AM — quietToday, 4 AM — quietToday, 7 AM — quietToday, 10 AM — quiet 1–2
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  1. 2

    Story circulates on Hacker News and social platforms

    The Quanta article was shared to Hacker News, where it scored 53 points with 5 comments, and was further syndicated via Google News and social platforms including Mastodon.

    “really the holy grail…”
    — Gregory Holland, Chemist and spectroscopist, San Diego State University · source
  2. 1

    Quanta Magazine publishes the findings

    Quanta Magazine's Yasemin Saplakoglu published an article detailing the research, explaining how spiders spin silk dope into one of nature's toughest materials.

    1. 4 outlets Spiders Spin 'Silk Dope' into Nature's Toughest Material

      first by HN Frontpage, 10d ago · also Quanta Magazine, Quanta, JournalArta

      2 more headlines
  3. background

    Holland's team describes condensate stage in silk formation — Gregory Holland led research showing that molecules in liquid spider dope reorganize into semiliquid droplets called condensates before solidifying into silk fiber, providing an atomic-level view of the spinning process.

  4. background

    Researchers find spidroins are intrinsically disordered in solution — In the early 2000s, inspection of spidroins in liquid dope showed they lacked fixed structure, instead forming and re-forming shapes, prompting a search for how this disordered soup becomes a strong solid fiber.

  5. background

    X-ray studies reveal silk's beta-sheet structure — Decades after the initial protein discovery, X-ray analysis showed silk fiber is made of flat protein sheets called beta sheets embedded in a less ordered, non-crystalline matrix.

  6. background

    Scientists discover spider silk is made of modular proteins — Researchers first identified that spider silk is composed of long, modular proteins later named spidroins, placing them in the same fiber-protein family as collagen and keratin.