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Evolutionary genomics of KPC-2-producing Serratia marcescens and characterization of a novel blaKPC-2-harboring plasmid.

Yali Zheng | Ying Jing | Yan Zhang | Jin Zhang | Jianbo Ye | Huimin Chen | Yuting Jin | Jiayu He | Yu Zhang | Xinhua Luo
BMC microbiology | 2025

Serratia marcescens is a common opportunistic pathogen in hospitals. Its carbapenem-resistant strains, especially those carrying the blaKPC-2 gene, pose a serious challenge to clinical infection treatment.

Pubmed ID: 41454219

Associated grants

  • Agency: Medical and Health Science and Technology Project of Zhejiang Province,
    Id: 2024KY543
  • Agency: Medical and Health Science and Technology Project of Zhejiang Province,
    Id: 2025KY461
  • Agency: Natural Science Foundation of Zhejiang Province,
    Id: LTGY23H190003

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This is a list of tools and resources that we have found mentioned in this publication.


QUAST (tool)

RRID:SCR_001228

Quality assessment software tool for evaluating and comparing genome assemblies. It works both with and without a given reference genome. It produces many reports, summary tables and plots.

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R Project for Statistical Computing (tool)

RRID:SCR_001905

Software environment and programming language for statistical computing and graphics. R is integrated suite of software facilities for data manipulation, calculation and graphical display. Can be extended via packages. Some packages are supplied with the R distribution and more are available through CRAN family.It compiles and runs on wide variety of UNIX platforms, Windows and MacOS.

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GenBank (tool)

RRID:SCR_002760

NIH genetic sequence database that provides annotated collection of all publicly available DNA sequences for almost 280 000 formally described species (Jan 2014) .These sequences are obtained primarily through submissions from individual laboratories and batch submissions from large-scale sequencing projects, including whole-genome shotgun (WGS) and environmental sampling projects. Most submissions are made using web-based BankIt or standalone Sequin programs, and GenBank staff assigns accession numbers upon data receipt. It is part of International Nucleotide Sequence Database Collaboration and daily data exchange with European Nucleotide Archive (ENA) and DNA Data Bank of Japan (DDBJ) ensures worldwide coverage. GenBank is accessible through NCBI Entrez retrieval system, which integrates data from major DNA and protein sequence databases along with taxonomy, genome, mapping, protein structure and domain information, and biomedical journal literature via PubMed. BLAST provides sequence similarity searches of GenBank and other sequence databases. Complete bimonthly releases and daily updates of GenBank database are available by FTP.

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ISFinder (tool)

RRID:SCR_003020

Database of a list of insertion sequences isolated from eubacteria and archaea. It is organized into individual files containing their general features (name, size, origin, family.....) as well as their DNA and potential protein sequences. Although most of the entries have been identified as individual elements, a growing number are included from their description in sequenced bacterial genomes. The search engine permits the retrieval and display of individual and groups of ISs based on a combination of their general features. Two levels of search are available. The simple search option enables the user to sort elements using a limited number of basic items whereas the extensive search offers an additional set of possibilities such as comparisons of the sequences of terminal inverted repeats and a variety of different layout displays. Built in links are provided to: the EMBL sequence database, the NCBI taxonomy database and to the ESF plasmid database. At present, only individual sequences can be downloaded one by one for comparison. An on-line BLAST facility is available and in future versions direct access to additional analytical tools will be provided on line. Direct submission of ISs is encouraged using the on-line form provided.

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RAxML (tool)

RRID:SCR_006086

Software program for phylogenetic analyses of large datasets under maximum likelihood.

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MAFFT (tool)

RRID:SCR_011811

Software package as multiple alignment program for amino acid or nucleotide sequences. Can align up to 500 sequences or maximum file size of 1 MB. First version of MAFFT used algorithm based on progressive alignment, in which sequences were clustered with help of Fast Fourier Transform. Subsequent versions have added other algorithms and modes of operation, including options for faster alignment of large numbers of sequences, higher accuracy alignments, alignment of non-coding RNA sequences, and addition of new sequences to existing alignments.

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RepeatMasker (tool)

RRID:SCR_012954

Software tool that screens DNA sequences for interspersed repeats and low complexity DNA sequences. The output of the program is a detailed annotation of the repeats that are present in the query sequence as well as a modified version of the query sequence in which all the annotated repeats have been masked (default: replaced by Ns). Currently over 56% of human genomic sequence is identified and masked by the program. Sequence comparisons in RepeatMasker are performed by one of several popular search engines including nhmmer, cross_match, ABBlast/WUBlast, RMBlast and Decypher. RepeatMasker makes use of curated libraries of repeats and currently supports Dfam ( profile HMM library ) and RepBase ( consensus sequence library ).

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PubMLST (tool)

RRID:SCR_012955

Database for molecular typing and microbial genome diversity.

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Inkscape (tool)

RRID:SCR_014479

A vector graphics software which runs on Windows, Mac OS X and GNU/Linux. It can import and export various file formats, including SVG, AI, EPS, PDF, PS and PNG. Features include object creation, object manipulation, color editing, and text editing.

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RAST Server (tool)

RRID:SCR_014606

A SEED-quality automated service that annotates complete or nearly complete bacterial and archaeal genomes across the entire phylogenetic tree. RAST can also be used to analyze draft genomes.

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Canu (tool)

RRID:SCR_015880

Software for scalable and accurate long-read assembly via adaptive k-mer weighting and repeat separation. Canu is a fork of the Celera Assembler and is designed for high-noise single-molecule sequencing (such as the PacBio RS II/Sequel or Oxford Nanopore MinION).

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Clonalframe (tool)

RRID:SCR_016060

Software package for the inference of bacterial microevolution using multilocus sequence data. It is used to identify the clonal relationships between the members of a sample, while also estimating the chromosomal position of homologous recombination events that have disrupted the clonal inheritance.

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MUMmer (tool)

RRID:SCR_018171

Software package as system for rapidly aligning entire genomes. Alignment tool for DNA and protein sequences. Can align incomplete genomes.

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iTOL (tool)

RRID:SCR_018174

Web tool for display, annotation and management of phylogenetic trees. Accessible with any modern web browser.

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FastANI (tool)

RRID:SCR_021091

Software tool for fast alignment free computation of whole genome Average Nucleotide Identity . Supports pairwise comparison of both complete and draft genome assemblies. to calcualte the average nucleotide identity (ANI) between your samples.

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Abricate (tool)

RRID:SCR_021093

Software tool for mass screening of contigs for antimicrobial and virulence genes. Mass screening of contigs for antimicrobial resistance or virulence genes. It comes bundled with multiple databases: NCBI, CARD, ARG-ANNOT, Resfinder, MEGARES, EcOH, PlasmidFinder, Ecoli_VF and VFDB.

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RAxML Next Generation (tool)

RRID:SCR_022066

Software phylogenetic tree inference tool which uses maximum likelihood optimality criterion. Used for maximum likelihood phylogenetic inference. Offers improved accuracy, flexibility, speed, scalability, and usability compared with RAxML/ExaML.

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Unicycler (tool)

RRID:SCR_024380

Software assembly pipeline for bacterial genomes. Used for resolving bacterial genome assemblies from short and long sequencing reads. Can assemble Illumina only read sets where it functions as SPAdes-optimiser. Can assembly long read only sets for PacBio or Nanopore where it runs miniasm+Racon pipeline.

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