Metaproteome plasticity sheds light on the ecology of the rumen microbiome and its connection to host traits

Goor Sasson, Sarah Moraïs, Fotini Kokou, Kristina Plate, Anke Trautwein-Schult, Elie Jami, Edward A. Bayer, Dörte Becher, Itzhak Mizrahi

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The arsenal of genes that microbes express reflect the way in which they sense their environment. We have previously reported that the rumen microbiome composition and its coding capacity are different in animals having distinct feed efficiency states, even when fed an identical diet. Here, we reveal that many microbial populations belonging to the bacteria and archaea domains show divergent proteome production in function of the feed efficiency state. Thus, proteomic data serve as a strong indicator of host feed efficiency state phenotype, overpowering predictions based on genomic and taxonomic information. We highlight protein production of specific phylogenies associated with each of the feed efficiency states. We also find remarkable plasticity of the proteome both in the individual population and at the community level, driven by niche partitioning and competition. These mechanisms result in protein production patterns that exhibit functional redundancy and checkerboard distribution that are tightly linked to the host feed efficiency phenotype. By linking microbial protein production and the ecological mechanisms that act within the microbiome feed efficiency states, our present work reveals a layer of complexity that bears immense importance to the current global challenges of food security and sustainability.

Original languageEnglish
Pages (from-to)2610-2621
Number of pages12
JournalISME Journal
Issue number11
StatePublished - 1 Nov 2022

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Microbiology


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