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  • Bac­te­r­ial Sounds

    Bac­te­r­ial Sounds

    February 15, 2024January 27, 2026

    by Roberto — To­wards the end of last cen­tury, I read a short but provoca­tive note en­ti­tled "Do bac­te­ria sing?" With a ti­tle like that, who's not go­ing to read it? As is usu­ally the case, that read­ing led to more read­ing. I dis­cov­ered sev­eral pa­pers de­scrib­ing how some bac­te­ria could be stim­u­lated to form colonies more ef­fi­ciently fol­low­ing sound stim­u­la­tion.

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  • For Bac­te­ria, Mat­ing can be a Stress­ful Busi­ness

    For Bac­te­ria, Mat­ing can be a Stress­ful Busi­ness

    August 9, 2021November 7, 2025

    by Anna Dragoš — Bac­te­ria live in mi­cro­bial jun­gles where they con­stantly must cope with sib­lings ex­ploit­ing their food, preda­tors try­ing to eat them, or hos­tile strains shoot­ing at them with an­tibac­te­r­ial weapons. Through bil­lions of years of evo­lu­tion...

    Read More For Bac­te­ria, Mat­ing can be a Stress­ful Busi­nessContinue

  • Cell Di­vi­sion in Bac­te­ria: Themes & Vari­a­tions

    Cell Di­vi­sion in Bac­te­ria: Themes & Vari­a­tions

    May 31, 2021January 31, 2026

    by Elio — From bac­te­ria on up, all the way to the cells of our bo­dies, most cells di­vide by bi­na­ry fis­sion. That is, the pro­cess ini­tiat­es at mid­cell, usu­al­ly by con­strict­ion, and pro­ceeds un­til the two re­sult­ant daugh­ter cells be­come se­pa­rat­ed. Most of­ten, these two sis­ter cells are iden­ti­cal in size and shape. Bor­ing. En­ter Ba­cil­lus sub­tilis...

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  • Non-Pho­to­syn­thetic Bac­te­ria Also Have a Cir­ca­dian Rhythm

    Non-Pho­to­syn­thetic Bac­te­ria Also Have a Cir­ca­dian Rhythm

    February 1, 2021November 5, 2025

    by Elio — The very first en­try in this blog, in De­cem­ber 2006, was about the amaz­ing fact that some pho­to­syn­thetic cyanobac­te­ria have a cir­ca­dian rhythm. I en­ti­tled it "It Don't Mean a Thing If It Ain't Got That Swing."

    Read More Non-Pho­to­syn­thetic Bac­te­ria Also Have a Cir­ca­dian RhythmContinue

  • Un­der­ground High­ways

    Un­der­ground High­ways

    November 23, 2020November 12, 2025

    by Roberto — This pho­to­graph, taken from our book Life at the Edge of Sight, shows a net­work of al­most in­vis­i­ble fun­gal fil­a­ments which, like minia­ture high­ways, wind their way around peaks and form bridges over val­leys all within a minute amount of soil.

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  • Strep­to­myces spores tak­ing a ride...

    Strep­to­myces spores tak­ing a ride...

    July 16, 2020January 31, 2026

    by Christoph — Strep­to­mycetes, these non-motile Acti­nobac­te­ria that are ca­pa­ble of mycelial growth much like fungi, are quite in­ven­tive when it comes to the dis­tri­b­u­tion of their spores. They don't just rely on en­chant­ing scents like geosmin that they emit to at­tract spring­tails, which trans­port their spores over long dis­tances (see Roberto's re­cent post). They also rou­tinely em­ploy bac­te­r­ial trans­port work­ers.

    Read More Strep­to­myces spores tak­ing a ride...Continue

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