Abstract:
:Sponges (phylum Porifera) are early-diverging metazoa renowned for establishing complex microbial symbioses. Here we present a global Porifera microbiome survey, set out to establish the ecological and evolutionary drivers of these host-microbe interactions. We show that sponges are a reservoir of exceptional microbial diversity and major contributors to the total microbial diversity of the world's oceans. Little commonality in species composition or structure is evident across the phylum, although symbiont communities are characterized by specialists and generalists rather than opportunists. Core sponge microbiomes are stable and characterized by generalist symbionts exhibiting amensal and/or commensal interactions. Symbionts that are phylogenetically unique to sponges do not disproportionally contribute to the core microbiome, and host phylogeny impacts complexity rather than composition of the symbiont community. Our findings support a model of independent assembly and evolution in symbiont communities across the entire host phylum, with convergent forces resulting in analogous community organization and interactions.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Thomas T,Moitinho-Silva L,Lurgi M,Björk JR,Easson C,Astudillo-García C,Olson JB,Erwin PM,López-Legentil S,Luter H,Chaves-Fonnegra A,Costa R,Schupp PJ,Steindler L,Erpenbeck D,Gilbert J,Knight R,Ackermann G,Victor Lopezdoi
10.1038/ncomms11870subject
Has Abstractpub_date
2016-06-16 00:00:00pages
11870issn
2041-1723pii
ncomms11870journal_volume
7pub_type
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