Endosymbiotic adaptations in three new bacterial species associated with Dictyostelium discoideum : Paraburkholderia agricolaris sp. nov., Paraburkholderia hayleyella sp. nov., and Paraburkholderia bonniea sp. nov

PeerJ
Debra A BrockJoan E Strassmann

Abstract

Here we give names to three new species of Paraburkholderia that can remain in symbiosis indefinitely in the spores of a soil dwelling eukaryote, Dictyostelium discoideum. The new species P. agricolaris sp. nov., P. hayleyella sp. nov., and P. bonniea sp. nov. are widespread across the eastern USA and were isolated as internal symbionts of wild-collected D. discoideum. We describe these sp. nov. using several approaches. Evidence that they are each a distinct new species comes from their phylogenetic position, average nucleotide identity, genome-genome distance, carbon usage, reduced length, cooler optimal growth temperature, metabolic tests, and their previously described ability to invade D. discoideum amoebae and form a symbiotic relationship. All three of these new species facilitate the prolonged carriage of food bacteria by D. discoideum, though they themselves are not food. Further studies of the interactions of these three new species with D. discoideum should be fruitful for understanding the ecology and evolution of symbioses.

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Citations

Dec 2, 2020·International Journal of Systematic and Evolutionary Microbiology·Aharon Oren, George M Garrity
Dec 12, 2020·Ecology and Evolution·Longfei ShuJoan E Strassmann
Nov 8, 2020·Applied and Environmental Microbiology·Yijing ShiLongfei Shu
Dec 4, 2020·Proceedings of the National Academy of Sciences of the United States of America·Ramesh RijalRichard H Gomer
Feb 17, 2021·Evolution; International Journal of Organic Evolution·Tyler LarsenDavid C Queller

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Datasets Mentioned

BETA
PRJNA480875

Methods Mentioned

BETA
scraping
in
PCA

Software Mentioned

NIS
BLAST +
BLAST
FastTree
pyani
Elements
R
ALIGN
SSU
SmrtPipe

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