Libra: scalablek-mer–based tool for massive all-vs-all metagenome comparisons

Shotgun metagenomics provides powerful insights into microbial community biodiversity and function. Yet, inferences from metagenomic studies are often limited by dataset size and complexity and are restricted by the availability and completeness of existing databases. De novo comparative metagenomics enables the comparison of metagenomes based on their total genetic content. We developed a tool called Libra that performs an all-vs-all comparison...