Rodolfo Bizarria Jr., Tatiane de Castro Pietrobon, Pepijn W. Kooij, Andre Rodrigues
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引用次数: 0
Abstract
Facultative mutualisms, such as some insect-yeast interactions, can be established between partners that only interact in certain stages of their life cycles. While exploring yeasts associated with Brazilian beetles, we found a particular Cyberlindnera yeast associated with Spermophthorus apuleiae. This yeast was found within the beetles' galleries, which are excavated in fruits of Libidibia ferrea, a native Brazilian tree. We isolated a total of 15 yeast and yeast-like species associated with the fruits and beetles, mostly from the orders Phaffomycetales and Serinales, and explored their role in yeast-beetle interactions. Cyberlindnera is the most recurrent yeast, found in 90% of the fruit samples infested with beetles and representing 79% of the total isolates. Results from bioassays support the interaction between Cyberlindnera and Spermophthorus apuleiae. We hypothesise that reciprocal benefits may underlie this association: beetle gallery excavation boosts the density of Cyberlindnera in fruits, while the yeast produces attractive volatiles to beetles. These volatiles are usually associated with signalling towards sugar resources that enhance dispersal, an idea that warrants further exploration. We consider the Cyberlindnera-beetle association a potential model for studying the ecology and evolution of non-obligate (facultative) mutualisms.
期刊介绍：
The journal is identical in scope to Environmental Microbiology, shares the same editorial team and submission site, and will apply the same high level acceptance criteria. The two journals will be mutually supportive and evolve side-by-side.
Environmental Microbiology Reports provides a high profile vehicle for publication of the most innovative, original and rigorous research in the field. The scope of the Journal encompasses the diversity of current research on microbial processes in the environment, microbial communities, interactions and evolution and includes, but is not limited to, the following:
the structure, activities and communal behaviour of microbial communities
microbial community genetics and evolutionary processes
microbial symbioses, microbial interactions and interactions with plants, animals and abiotic factors
microbes in the tree of life, microbial diversification and evolution
population biology and clonal structure
microbial metabolic and structural diversity
microbial physiology, growth and survival
microbes and surfaces, adhesion and biofouling
responses to environmental signals and stress factors
modelling and theory development
pollution microbiology
extremophiles and life in extreme and unusual little-explored habitats
element cycles and biogeochemical processes, primary and secondary production
microbes in a changing world, microbially-influenced global changes
evolution and diversity of archaeal and bacterial viruses
new technological developments in microbial ecology and evolution, in particular for the study of activities of microbial communities, non-culturable microorganisms and emerging pathogens.
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