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Candidatus Nitrosopolaris, a genus of putative ammonia-oxidizing archaea with a polar/alpine distribution

Citation
Pessi et al. (2022). FEMS Microbes 3
Names
Nitrosopolaris Nitrosopolaris wilkesensis Ts “Nitrosopolaris nunavutensis” “Nitrosopolaris kilpisjaerviensis” “Nitrosopolaris rasttigaisensis”
Abstract
Abstract Ammonia-oxidizing archaea (AOA) are key players in the nitrogen cycle of polar soils. Here, we analyzed metagenomic data from tundra soils in Rásttigáisá, Norway, and recovered four metagenome-assembled genomes (MAGs) assigned to the genus ‘UBA10452’, an uncultured lineage of putative AOA in the order Nitrososphaerales (‘terrestrial group I.1b’), phylum Thaumarchaeota. Analysis of other eight previously reported MAGs and publicly available amplicon sequencing data reveale

Type I photosynthetic reaction center in an anoxygenic phototrophic member of the Chloroflexota

Citation
Tsuji et al. (2020).
Names
“Ca. Chlorohelix allophototropha” “Ca. Chlorohelix” “Ca. Chloroheliaceae” “Ca. Chloroheliales” Ca. Chlorohelix allophototropha
Abstract
SummaryPhototrophic members of the Chloroflexota phylum are enigmas in the evolution of phototrophy. Although all previously characterized phototrophic Chloroflexota members use a Type II reaction center (RCII) to perform light energy conversion1,2, many members host chlorosomes, a light-harvesting apparatus only otherwise reported among Type I reaction center (RCI)-containing phototrophs3. Here we report the discovery and cultivation of “Candidatus Chlorohelix allophototropha”, the first known

Verrucomicrobiota are specialist consumers of sulfated methyl pentoses during diatom blooms

Citation
Orellana et al. (2022). The ISME Journal 16 (3)
Names
“Fucivorax forsetii” “Fucivorax” “Mariakkermansia forsetii” “Mariakkermansia” “Chordibacter forsetii”
Abstract
AbstractMarine algae annually sequester petagrams of carbon dioxide into polysaccharides, which are a central metabolic fuel for marine carbon cycling. Diatom microalgae produce sulfated polysaccharides containing methyl pentoses that are challenging to degrade for bacteria compared to other monomers, implicating these sugars as a potential carbon sink. Free-living bacteria occurring in phytoplankton blooms that specialise on consuming microalgal sugars, containing fucose and rhamnose remain unk

Disentangling the Taxonomy of Rickettsiales and Description of Two Novel Symbionts (“Candidatus Bealeia paramacronuclearis” and “Candidatus Fokinia cryptica”) Sharing the Cytoplasm of the Ciliate Protist Paramecium biaurelia

Citation
Szokoli et al. (2016). Applied and Environmental Microbiology 82 (24)
Names
Ca. Bealeia paramacronuclearis “Fokinia crypta” “Fokinia” “Caedimonadaceae” “Paracaedibacteraceae”
Abstract
ABSTRACT In the past 10 years, the number of endosymbionts described within the bacterial order Rickettsiales has constantly grown. Since 2006, 18 novel Rickettsiales genera inhabiting protists, such as ciliates and amoebae, have been described. In this work, we characterize two novel bacterial endosymbionts from Paramecium collected near Bloomington, IN. Both endosymbiotic species inhabit the cytoplas

Nanobdella aerobiophila gen. nov., sp. nov., a thermoacidophilic, obligate ectosymbiotic archaeon, and proposal of Nanobdellaceae fam. nov., Nanobdellales ord. nov. and Nanobdellia class. nov

Citation
Kato et al. (2022). International Journal of Systematic and Evolutionary Microbiology 72 (8)
Names
Nanobdella aerobiophila T Nanobdella Nanobdellaceae Nanobdellales Nanobdellia
Abstract
A co-culture of a novel thermoacidophilic, obligate symbiotic archaeon, designated as strain MJ1T, with its specific host archaeon Metallosphaera sedula strain MJ1HA was obtained from a terrestrial hot spring in Japan. Strain MJ1T grew in the co-culture under aerobic conditions. Coccoid cells of strain MJ1T were 200–500 nm in diameter, and attached to the MJ1HA cells in the co-culture. The ranges and optima o

Metagenome sequencing and 98 microbial genomes from Juan de Fuca Ridge flank subsurface fluids

Citation
Jungbluth et al. (2017). Scientific Data 4 (1)
Names
“Geothermarchaeota” “Hydrothermota” Hydrothermus pacificus Ts Hydrothermarchaeum profundi Ts “Hydrothermarchaeota”
Abstract
AbstractThe global deep subsurface biosphere is one of the largest reservoirs for microbial life on our planet. This study takes advantage of new sampling technologies and couples them with improvements to DNA sequencing and associated informatics tools to reconstruct the genomes of uncultivated Bacteria and Archaea from fluids collected deep within the Juan de Fuca Ridge subseafloor. Here, we generated two metagenomes from borehole observatories located 311 meters apart and, using binning tools

Thermohalobacteraceae fam. nov

Citation
Spring (2020). Bergey's Manual of Systematics of Archaea and Bacteria
Names
Sporosalibacterium Thermohalobacter Clostridiisalibacter Caldisalinibacter Thermohalobacteraceae
Abstract
Abstract Ther.mo.ha.lo.bac.te.ra.ce'ae. N.L. masc. n. Thermohalobacter , type genus of the family; suff. ‐aceae , ending to denote a family; N.L. fem. pl. n. Thermohalobacteraceae , the Thermohalobacter family. Firmicutes / Clostridia / Tissierellales / Thermohalobacteraceae fam. nov. Free‐living bacteria that mainly occur in anoxic sa

Metagenome-assembled genomes of three Hepatoplasmataceae provide insights into isopod-mollicute symbiosis

Citation
Kawato et al. (2024). Access Microbiology 6 (2)
Names
Hepatoplasma vulgare Tyloplasma litorale Ts Hepatoplasma scabrum Tyloplasma Hepatoplasma crinochetorum Ts
Abstract
The digestive organs of terrestrial isopods harbour bacteria of the recently proposed mollicute family Hepatoplasmataceae. The only complete genome available so far for Hepatoplasmataceae is that of ‘Candidatus Hepatoplasma crinochetorum’. The scarcity of genome sequences has hampered our understanding of the symbiotic relationship between isopods and mollicutes. Here, we present four complete metagenome-assembled genomes (MAGs) of uncultured Hepatoplasmataceae members identified from shotgun se