Genetic insights into the dark matter of the mammalian gut microbiota through targeted genome reconstruction

通过有针对性的基因组重建对哺乳动物肠道微生物群的暗物质进行遗传洞察

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作者:Gabriele Andrea Lugli #, Giulia Alessandri #, Christian Milani, Alice Viappiani, Federico Fontana, Chiara Tarracchini, Leonardo Mancabelli, Chiara Argentini, Lorena Ruiz, Abelardo Margolles, Douwe van Sinderen, Francesca Turroni, Marco Ventura

Abstract

Whole metagenomic shotgun (WMS) sequencing has dramatically enhanced our ability to study microbial genomics. The possibility to unveil the genetic makeup of bacteria that cannot be easily isolated has significantly expanded our microbiological horizon. Here, we report an approach aimed at uncovering novel bacterial species by the use of targeted WMS sequencing. Employing in silico data retrieved from metabolic modelling to formulate a chemically defined medium (CDM), we were able to isolate and subsequently sequence the genomes of six putative novel species of bacteria from the gut of non-human primates.

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