Nematode-free agricultural system of a fungus-growing termite.

Abstract:

:Fungus-growing termites forage dead plant materials from the field to cultivate symbiotic Termitomyces fungi in the nest. Termite foraging behavior and the entry of symbiotic arthropod inquilines may transfer nematodes into a nest and adversely affect fungus production. To test whether nematodes were transferred to fungus gardens by termites and inquilines, we examined the occurrence of nematodes in fungus gardens, five termite castes, and nine species of inquilines of a fungus-growing termite, Odontotermes formosanus. Our results revealed that nematodes were commonly carried by foraging termites and beetle inquilines. Numerous nematodes were found under the beetle elytra. No nematodes were found on termite larvae, eggs, and wingless inquilines. In addition, nematodes rarely occurred in the fungus garden. By observing the response of nematodes to three species of Termitomyces spp. and the fungus gardens, we confirmed that the fungus and fungus gardens are not actually toxic to nematodes. We suggest that nematodes were suppressed through grooming behavior and gut antimicrobial activity in termites, rather than through the antimicrobial activity of the fungus.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Kanzaki N,Liang WR,Chiu CI,Yang CT,Hsueh YP,Li HF

doi

10.1038/s41598-019-44993-8

subject

Has Abstract

pub_date

2019-06-20 00:00:00

pages

8917

issue

1

issn

2045-2322

pii

10.1038/s41598-019-44993-8

journal_volume

9

pub_type

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