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      Getting the hologenome concept right: An eco-evolutionary framework for hosts and their microbiomes

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          Abstract

          Given the complexity of host-microbiota symbioses, scientists and philosophers are asking questions at new biological levels of hierarchical organization - What is a holobiont and hologenome? When should this vocabulary be applied? Are these concepts a null hypothesis for host-microbe systems or limited to a certain spectrum of symbiotic interactions such as host-microbial coevolution? Critical discourse is necessary in this nascent area, but productive discourse requires that skeptics and proponents use the same lexicon. For instance, critiquing the hologenome concept is not synonymous with critiquing coevolution, and arguing that an entity is not a primary unit of selection dismisses that the hologenome concept has always embraced multi-level selection. Holobionts and hologenomes are incontrovertible, multipartite entities that result from ecological, evolutionary and genetic processes at varying levels. They are not restricted to one special process but constitute a wider vocabulary and framework for host biology in light of the microbiome.

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          Author and article information

          Journal
          bioRxiv
          February 02 2016
          Article
          10.1101/038596
          © 2016
          Product

          Evolutionary Biology, Forensic science

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