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11 results for “Paraburkholderia”
Context-dependence in the symbiosis between Dictyostelium discoideum and Paraburkholderia
<p><span>Symbiotic interactions change with environmental context. Measuring these context-dependent effects in hosts and symbionts is critical to determining the nature of symbiotic interactions. We investigated context-dependence in the symbiosis between social amoeba hosts and their inedible </span><em>Paraburkholderia</em><span> bacterial symbionts, where the context is the abundance of host food bacteria. </span><em>Paraburkholderia</em><span> have been shown to harm hosts dispersed to food-rich environments, but aid hosts dispersed to food-poor environments by allowing hosts to carry food bacteria. Through measuring symbiont density and host spore production, we show that this food context matters in three other ways. First, it matters for symbionts, who suffer a greater cost from competition with food bacteria in the food-rich context. Second, it matters for host-symbiont conflict, changing how symbiont density negatively impacts host spore production. Third, data-based simulations show that symbiosis often provides a long-term fitness advantage for hosts after rounds of growth and dispersal in variable food-contexts, especially when conditions are harsh with little food. These results show how food context can have many consequences for the </span><em>Dictyostelium-Paraburkholderia</em><span> symbiosis and that both sides can frequently benefit.</span></p>
Context-dependence in the symbiosis between Dictyostelium discoideum and Paraburkholderia
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Spot test and spore count assay data for combinations of dictyostelid hosts infected by Paraburkholderia spp.
<p class="MsoNormal">The social amoeba <em>Dictyostelium discoideum </em>engages in a complex relationship with bacterial endosymbionts in the genus <em>Paraburkholderia, </em>which can benefit their host by imbuing it with the ability to carry prey bacteria throughout its life cycle.<span> </span>The relationship between <em>D. discoideum </em>and <em>Paraburkholderia </em>has been shown to take place across many strains and a large geographical area, but little is known about <em>Paraburkholderia's </em>potential interaction with other dictyostelid species.<span> </span>We explore the ability of three <em>Paraburkholderia </em>species to stably infect and induce bacterial carriage in other dictyostelid hosts.<span> </span>We found that all three <em>Paraburkholderia </em>species successfully infected and induced carriage in seven species of <em>Dictyostelium </em>hosts.<span> </span>While the overall behavior was qualitatively similar to that previously observed in infections of <em>D. discoideum, </em>differences in the outcomes of different host/symbiont combinations suggest a degree of specialization between partners.<span> </span><em>Paraburkholderia </em>was unable to maintain a stable association with the more distantly related host <em>Polysphondylium violaceum</em>.<span> </span>Our results suggest that the mechanisms and evolutionary history of <em>Paraburkholderia's </em>symbiotic relationships may be general within <em>Dictyostelium </em>hosts, but not so general that it can associate with hosts of other genera.<span> </span>Our work further develops a emerging model system for the study of symbiosis in microbes.</p>
Spot test and spore count assay data for combinations of dictyostelid hosts infected by Paraburkholderia spp.
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Data and code: Complex third-party effects in the Dictyostelium-Paraburkholderia symbiosis: prey bacteria that are eaten, carried, or left behind
<p>Data and code for study investigating how prey bacteria affect the symbiosis between D. discoideum and Paraburkholderia.</p>
In-nodule transcriptome analysis of Paraburkholderia phymatum during symbiosis with Phaseolus vulgaris
GEO Series GSE107381. Paraburkholderia phymatum STM815. 9 samples. Type: Expression profiling by high throughput sequencing.
Metabolomics and transcriptomics identify multiple downstream targets of Paraburkholderia phymatum σ54 during symbiosis with Phaseolus vulgaris
GEO Series GSE111993. Paraburkholderia phymatum STM815. 4 samples. Type: Expression profiling by high throughput sequencing.
Metabolomics and Dual RNA-Sequencing on Root Nodules Revealed New Cellular Functions Controlled by Paraburkholderia phymatum NifA
GEO Series GSE176287. Paraburkholderia phymatum STM815; Phaseolus vulgaris. 4 samples. Type: Expression profiling by high throughput sequencing.
Gene Networks Underlying the Early Regulation of Paraburkholderia Phytofirmans Psjn-induced Systemic Resistance in Arabidopsis
GEO Series GSE124475. Arabidopsis thaliana. 18 samples. Type: Expression profiling by array.
Black Carbon Impacts on Paraburkholderia xenovorans Strain LB400 Cell Enrichment and Activity: Implications toward Lower-Chlorinated Polychlorinated Biphenyls Biodegradation
GEO Series GSE246487. Paraburkholderia xenovorans. 12 samples. Type: Expression profiling by high throughput sequencing.
Paraburkholderia phymatum σ54 controls utilization of dicarboxylates, motility and interbacterial competition
GEO Series GSE156048. Paraburkholderia phymatum STM815. 6 samples. Type: Expression profiling by high throughput sequencing.
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