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Metabolic versatility of Caldarchaeales from geothermal features of Hawai’i and Chile as revealed by five metagenome-assembled genomes

Citation
Balbay et al. (2023). Frontiers in Microbiology 14
Names
Calditenuis Pelearchaeum Pelearchaeum maunauluense Ts Calditenuis fumarioli Ts Calditenuaceae Ca. Geothermarchaeota
Abstract
Members of the archaeal order Caldarchaeales (previously the phylum Aigarchaeota) are poorly sampled and are represented in public databases by relatively few genomes. Additional representative genomes will help resolve their placement among all known members of Archaea and provide insights into their roles in the environment. In this study, we analyzed 16S rRNA gene amplicons belonging to the Caldarchaeales that are available in public databases, which demonstrated that archaea of the order Cal

Complete genomes of mutualistic bacterial co-symbionts “ Candidatus Sulcia muelleri” and “ Candidatus Nasuia deltocephalinicola” of the rice green leafhopper Nephotettix cincticeps

Citation
Moriyama et al. (2023). Microbiology Resource Announcements 12 (9)
Names
Ca. Nasuia deltocephalinicola Ca. Sulcia muelleri
Abstract
ABSTRACT The genomes of obligate bacterial co-symbionts of the green rice leafhopper Nephotettix cincticeps , which is notorious as an agricultural pest, were determined. The streamlined genomes of “ Candidatus Sulcia muelleri” and “ Candidatus Nasuia deltocephalinicola” exhibited complementary metabolic pathways for synthesizing essential nutrients that contribute to host adaptation.

Complete genome sequence of “ Candidatus Phytoplasma pruni” PR2021, an uncultivated bacterium associated with poinsettia ( Euphorbia pulcherrima )

Citation
Pei et al. (2023). Microbiology Resource Announcements 12 (9)
Names
Ca. Phytoplasma pruni
Abstract
ABSTRACT The complete genome sequence of “ Candidatus Phytoplasma pruni” strain PR2021, which consists of one 705,138 bp circular chromosome and one 4,757 bp circular plasmid, is presented in this work. This bacterium is associated with poinsettia ( Euphorbia pulcherrima ) cultivar “Princettia Pink.”

Ecophysiology and interactions of a taurine-respiring bacterium in the mouse gut

Citation
Ye et al. (2023). Nature Communications 14 (1)
Names
Taurinivorans muris Ts Taurinivorans
Abstract
AbstractTaurine-respiring gut bacteria produce H2S with ambivalent impact on host health. We report the isolation and ecophysiological characterization of a taurine-respiring mouse gut bacterium. Taurinivorans muris strain LT0009 represents a new widespread species that differs from the human gut sulfidogen Bilophila wadsworthia in its sulfur metabolism pathways and host distribution. T. muris specializes in taurine respiration in vivo, seemingly unaffected by mouse diet and genotype, but is dep

Ecogenomics and cultivation reveal distinctive viral-bacterial communities in the surface microlayer of a Baltic Sea slick

Citation
Rahlff et al. (2023). ISME Communications 3 (1)
Names
“Alishewanella slickus”
Abstract
AbstractVisible surface films, termed slicks, can extensively cover freshwater and marine ecosystems, with coastal regions being particularly susceptible to their presence. The sea-surface microlayer (SML), the upper 1-mm at the air-water interface in slicks (herein slick SML) harbors a distinctive bacterial community, but generally little is known about SML viruses. Using flow cytometry, metagenomics, and cultivation, we characterized viruses and bacteria in a brackish slick SML in comparison t

Metagenomics Revealed a New Genus ‘Candidatus Thiocaldithrix dubininis’ gen. nov., sp. nov. and a New Species ‘Candidatus Thiothrix putei’ sp. nov. in the Family Thiotrichaceae, Some Members of Which Have Traits of Both Na+- and H+-Motive Energetics

Citation
Ravin et al. (2023). International Journal of Molecular Sciences 24 (18)
Names
Ca. Thiocaldithrix dubininis Ca. Thiothrix putei
Abstract
Two metagenome-assembled genomes (MAGs), GKL-01 and GKL-02, related to the family Thiotrichaceae have been assembled from the metagenome of bacterial mat obtained from a sulfide-rich thermal spring in the North Caucasus. Based on average amino acid identity (AAI) values and genome-based phylogeny, MAG GKL-01 represented a new genus within the Thiotrichaceae family. The GC content of the GKL-01 DNA (44%) differed significantly from that of other known members of the genus Thiothrix (50.1–55.6%).

A novel, tissue-associated and vertically transmitted bacterial symbiont in the coralPocillopora acuta

Citation
Maire et al. (2023).
Names
Abstract
AbstractCoral microhabitats are colonized by a myriad of microorganisms, including diverse bacteria which are essential for host functioning and survival. However, the location, transmission, and functions of individual bacterial species living inside the coral tissues remain poorly studied. Here, we show that a previously undescribed bacterial symbiont of the coralPocillopora acutaforms cell-associated microbial aggregates (CAMAs) within the mesenterial filaments. CAMAs were found in both adult

Genome Comparison of ‘Candidatus Phytoplasma rubi’ with Genomes of Other 16SrV Phytoplasmas Highlights Special Group Features

Citation
Böhm et al. (2023). Applied Microbiology 3 (3)
Names
Ca. Phytoplasma rubi Ca. Phytoplasma ziziphi
Abstract
Phytoplasmas are associated with important bacterial diseases, causing severe symptoms in agricultural and ornamental crops. ‘Candidatus Phytoplasma rubi’, associated with the Rubus stunt in raspberries (Rubus idaeus) and blackberries (Rubus subgenus Rubus), causes shortened internodes, elongated sepals, proliferation, phyllody, and virescence. The recently published genome of ‘Ca. P. rubi’ RS enabled a comprehensive genomic comparison to the complete genomes of 16SrV phytoplasmas, comprising st