https://touchingfish.top/en/tags/public-goods/Recent content in Public-Goods on TouchingFish.topHugoenTue, 15 Nov 2022 00:00:00 +0000https://touchingfish.top/en/2022/yeast-prisoners-dilemma/Tue, 15 Nov 2022 00:00:00 +0000https://touchingfish.top/en/2022/yeast-prisoners-dilemma/<p>Yeast cells secrete invertase outside the cell wall to break down sucrose, and the digested sugar is freely available to everyone. That is what makes this interesting. A cell can choose to &quot;cheat&quot;: use the enzymes secreted by its neighbours without secreting any itself. Researchers call yeast with a functional SUC2 gene &quot;cooperators&quot; and yeast with SUC2 deleted &quot;cheaters,&quot; then pit them against each other in competition.</p> <p>The results are counterintuitive:</p>