WordNet

the relation between two different species of organisms that are interdependent; each gains benefits from the other (同)mutualism
used of organisms (especially of different species) living together but not necessarily in a relation beneficial to each

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/10/19 23:58:00」(JST)

Revilla TA1.
Journal of theoretical biology.J Theor Biol.2015 Aug 7;378:39-46. doi: 10.1016/j.jtbi.2015.04.012. Epub 2015 Apr 29.
Many mutualisms involve inter-specific resource exchanges, making consumer-resource approaches ideal for studying their dynamics. Also in many cases these resources are short lived (e.g. flowers) compared with the population dynamics of their producers and consumers (e.g. plants and insects), which
PMID 25936757

Leaf-cutter ant fungus gardens are biphasic mixed microbial bioreactors that convert plant biomass to polyols with biotechnological applications.

Somera AF1, Lima AM2, Dos Santos-Neto ÁJ2, Lanças FM2, Bacci M Jr3.
Applied and environmental microbiology.Appl Environ Microbiol.2015 Jul 1;81(13):4525-35. doi: 10.1128/AEM.00046-15. Epub 2015 Apr 24.
Leaf-cutter ants use plant matter to culture the obligate mutualistic basidiomycete Leucoagaricus gongylophorus. This fungus mediates ant nutrition on plant resources. Furthermore, other microbes living in the fungus garden might also contribute to plant digestion. The fungus garden comprises a youn
PMID 25911490

Goto Y1, Kurashima Y, Kiyono H.
Current opinion in rheumatology.Curr Opin Rheumatol.2015 Jul;27(4):388-96. doi: 10.1097/BOR.0000000000000192.
PURPOSE OF REVIEW: Inflammatory bowel diseases (IBDs) reflect the cooperative influence of numerous host and environmental factors, including those of elements of the intestinal immune system, the gut microbiota, and dietary habits. This review focuses on features of the gut microbiota and mucosal i
PMID 26002031