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1.
Genome Biol ; 24(1): 257, 2023 Dec 05.
Article in English | MEDLINE | ID: mdl-38049850

ABSTRACT

MALDI-TOF MS-based microbial identification relies on reference spectral libraries, which limits the screening of diverse isolates, including uncultured lineages. We present a new strategy for broad-spectrum identification of bacterial and archaeal isolates by MALDI-TOF MS using a large-scale database of protein masses predicted from nearly 200,000 publicly available genomes. We verify the ability of the database to identify microorganisms at the species level and below, achieving correct identification for > 90% of measured spectra. We further demonstrate its utility by identifying uncultured strains from mouse feces with metagenomics, allowing the identification of new strains by customizing the database with metagenome-assembled genomes.


Subject(s)
Archaea , Bacteria , Animals , Mice , Archaea/genetics , Bacteria/genetics , Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization/methods , Databases, Factual
2.
Microbiol Resour Announc ; 12(11): e0063223, 2023 Nov 16.
Article in English | MEDLINE | ID: mdl-37800929

ABSTRACT

Here, we report the complete genome sequences of two Ruminococcus torques strains (JCM 36208 and JCM 36209) that were newly isolated from the feces of a healthy Japanese male. Both genomes consist of a single circular chromosome with a length of ~2.8 Mbp and a G+C content of 41.8%.

3.
Microbiol Resour Announc ; 12(10): e0051423, 2023 Oct 19.
Article in English | MEDLINE | ID: mdl-37668366

ABSTRACT

We report a complete genome sequence of Butyricimonas faecihominis JCM 18676T, generated by nanopore sequencing. The genome consists of a single circular chromosome of 4,851,806 bp, with a G + C content of 42.9%, and was predicted to contain 15 rRNA and 61 tRNA genes and encode for 3,946 proteins.

4.
Microbiol Resour Announc ; 12(9): e0051323, 2023 Sep 19.
Article in English | MEDLINE | ID: mdl-37650615

ABSTRACT

We generated a complete genome sequence of the type strain of Blautia luti (JCM 17040T = DSM 14534T) by Nanopore sequencing. The genome consists of a circular chromosome of 3,741,599 bp with a G + C content of 42.9% and was predicted to contain 3,431 protein-coding sequences.

5.
Microbiol Resour Announc ; 12(7): e0032623, 2023 Jul 18.
Article in English | MEDLINE | ID: mdl-37272824

ABSTRACT

We generated a complete genome sequence of Coprobacter fastidiosus JCM 33896T by nanopore sequencing. The genome consists of a single circular chromosome of 3,444,538 bp with a G+C content of 38.4%. Annotation predicted 15 rRNA genes, 67 tRNA genes and 2,662 protein-coding sequences.

6.
Microbiol Resour Announc ; 12(7): e0032423, 2023 Jul 18.
Article in English | MEDLINE | ID: mdl-37310319

ABSTRACT

We report a complete genome sequence of Anaerostipes hadrus JCM 17467T. The genome consists of a circular chromosome of 2,804,089 bp, with a G+C content of 37.3%. The genome was predicted to contain 21 rRNA genes, 65 tRNA genes, and 2,675 protein-coding sequences.

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