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6 results for “microbial symbiosis”
Microbial warfare and the evolution of symbiosis
<p>Cooperative symbionts enable their hosts to exploit a diversity of environments. A low genetic diversity (high relatedness) between the symbionts within a host is thought to favour cooperation by reducing conflict within the host. However, hosts will not be favoured to transmit their symbionts in costly ways that increase relatedness, unless this also provides an immediate fitness benefit to the host. We suggest that costly antimicrobial warfare, with compounds such as bacteriocins, could provide a relatively universal reason for why hosts would gain a benefit from increasing the relatedness between bacterial symbionts. We theoretically test this hypothesis with a simple illustrative model that examines whether hosts should manipulate relatedness, and an individual-based simulation, where host control evolves in a structured population. We find that hosts can be favoured to manipulate relatedness, to reduce conflict between symbionts via this immediate reduction in symbiont warfare.</p>
Microbial warfare and the evolution of symbiosis
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Data from: Community analysis of microbial sharing and specialization in a Costa Rican ant–plant–hemipteran symbiosis
Ants have long been renowned for their intimate mutualisms with trophobionts and plants and more recently appreciated for their widespread and diverse interactions with microbes. An open question in symbiosis research is the extent to which environmental influence, including the exchange of microbes between interacting macroorganisms, affects the composition and function of symbiotic microbial communities. Here we approached this question by investigating symbiosis within symbiosis. Ant–plant–hemipteran symbioses are hallmarks of tropical ecosystems that produce persistent close contact among the macroorganism partners, which then have substantial opportunity to exchange symbiotic microbes. We used metabarcoding and quantitative PCR to examine community structure of both bacteria and fungi in a Neotropical ant–plant–scale-insect symbiosis. Both phloem-feeding scale insects and honeydew-feeding ants make use of microbial symbionts to subsist on phloem-derived diets of suboptimal nutritional quality. Among the insects examined here, Cephalotes ants and pseudococcid scale insects had the most specialized bacterial symbionts, whereas Azteca ants appeared to consume or associate with more fungi than bacteria, and coccid scale insects were associated with unusually diverse bacterial communities. Despite these differences, we also identified apparent sharing of microbes among the macro-partners. How microbial exchanges affect the consumer-resource interactions that shape the evolution of ant–plant–hemipteran symbioses is an exciting question that awaits further research.
Sustainable Development of Sorghum through the Promotion of Microbial Symbiosis and Disease Resistance: Supplemental Data
<p>Supplemental data for Chapter 3 of the dissertation titled: "Sustainable Development of Sorghum through the Promotion of Microbial Symbiosis and Disease Resistance"</p>
Data and code: Unpredictable soil conditions can affect the prevalence of a microbial symbiosis
<p>Contains code and data for the publication Unpredictable soil conditions can affect the prevalence of a microbial symbiosis in PeerJ. Check the paper and README for more information.</p>
Data from: Community analysis of microbial sharing and specialization in a Costa Rican ant–plant–hemipteran symbiosis
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.