Anyone know more about the cause? It’s happened to me a couple times with cultures that proved clean. My best guess is temperature fluctuation, it’s pretty hot here

  • Vardøgor@mander.xyzOPM
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    1 year ago

    that’s so interesting! i do tend to just eyeball my agar mix now, so it’s possible i used more agar than nutrients this batch. i found a write-up from 1999 supporting the same idea, saying that if the media has minimal nutrients the mycelia will compete more, and whether their cells are connected tangentially or radially will determine the pattern created from that competition. so, a little bit of genetics in there too

    Bezzi, M., Ciliberto, A. & Mengoni, A. Pattern Formation by Competition: A Biological Example. Journal of Biological Physics 25, 279–288 (1999). https://doi.org/10.1023/A:1005192817264