Share this articleDoiCopy to clipboardCite this articleThe diversity and function of sourdough starter microbiomeseLife 10:e61644.Copy to clipboardHumans have relied on sourdough starter microbial communities to make leavened bread for thousands of years, but only a small fraction of global sourdough biodiversity has been characterized. Working with a community-scientist network of bread bakers, we determined the microbial diversity of 500 sourdough starters from four continents. In sharp contrast with widespread assumptions, we found little evidence for biogeographic patterns in starter...…Share this articleDoiCopy to clipboardCite this articleThe diversity and function of sourdough starter microbiomeseLife 10:e61644.Copy to clipboardHumans have relied on sourdough starter microbial communities to make leavened bread for thousands of years, but only a small fraction of global sourdough biodiversity has been characterized. Working with a community-scientist network of bread bakers, we determined the microbial diversity of 500 sourdough starters from four continents. In sharp contrast with widespread assumptions, we found little evidence for biogeographic patterns in starter...WW…