Proteomics,Multiomics

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Differential proteomics of Lenisia limosa (Breviatea) and its epibiotic Arcobacter symbiont

ABSTRACT: The Breviatea form a lineage of free-living protists that emerged over 800 million years ago as a sister clade to opistokonta, comprising animals and fungi. Breviates conserved the ability to thrive in absence of oxygen which was an important adaptation to the low oceanic oxygen-levels that prevailed by that time. We previously found that the novel breviate, Lenisia limosa, gen. et sp. nov., was opportunistically colonized by relatives of animal-associated Arcobacter. Here we used differential proteomics to investigate how the presence/absence of symbiotic Arcobacter is manifested in Lenisia limosa's proteome. Vice versa, we also measured how symbiosis is reflected in Arcobacter's proteome. The results provide a resource to characterize the molecular underpinnings of a novel protist-prokaryote symbiosis.

OTHER RELATED OMICS DATASETS IN: PRJNA277740

INSTRUMENT(S): Q Exactive

ORGANISM(S): Alteromonas Macleodii Atcc 27126 Breviatea Arcobacter

SUBMITTER: Manuel Kleiner  

LAB HEAD: Marc Strous

PROVIDER: PXD003275 | Pride | 2016-05-25

REPOSITORIES: Pride

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Breviatea form a lineage of free living, unicellular protists, distantly related to animals and fungi. This lineage emerged almost one billion years ago, when the oceanic oxygen content was low, and extant Breviatea have evolved or retained an anaerobic lifestyle. Here we report the cultivation of Lenisia limosa, gen. et sp. nov., a newly discovered breviate colonized by relatives of animal-associated Arcobacter. Physiological experiments show that the association of L. limosa with Arcobacter is  ...[more]

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