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Classification is the process of organizing organisms into hierarchically inclusive groups based on their phenotypic similarities or evolutionary relationships. A species comprises one or more strains, and closely related species are grouped into genera. Genera are further classified into families, families into orders, orders into classes, and so forth, up to the domain level, which is the broadest taxonomic rank derived from a combination of phenotypic and genotypic data.The nomenclature of...
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Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
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Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
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Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
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Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
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Ocean-M: an integrated global-scale multi-omics database for marine microbial diversity, function and ecological

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Ocean-M is a new platform that integrates marine microbial multi-omics data, offering tools for analysis and visualization. This resource aids in discovering new genes and understanding marine microbial ecosystems.

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Area of Science:

  • Marine microbiology
  • Bioinformatics
  • Genomics

Background:

  • Multi-omics analyses have advanced marine microbial ecology but integrating diverse datasets remains a challenge.
  • Large-scale ocean meta-analysis efforts have yielded progress, yet accessibility and integration need improvement.

Purpose of the Study:

  • To introduce Ocean-M, a comprehensive, publicly accessible platform for marine microbial multi-omics data integration, analysis, and visualization.
  • To provide a systematic view of marine microbial genomes and facilitate the discovery of ecologically and biotechnologically important genes.

Main Methods:

  • Development of the Ocean-M platform integrating metagenome-assembled genomes, microbial community networks, host-microbiome interactions, and environmental DNA datasets.
  • Implementation of tools for genome assembly statistics, clustering, gene annotation, taxonomic profiling, and large-scale gene mining.
  • Curation of gene catalogs including biosynthetic gene clusters, antibiotic resistance genes, carbohydrate-active enzymes, and plastic-active enzymes.

Main Results:

  • Ocean-M provides access to 54,083 high-quality metagenome-assembled genomes with detailed analyses.
  • The platform incorporates microbial community networks and host-microbiome interactions for an integrated ecological framework.
  • Extensive catalogs of key functional genes (biosynthetic gene clusters, antibiotic resistance, carbohydrate-active enzymes, plastic-active enzymes) are available for mining.

Conclusions:

  • Ocean-M serves as a valuable resource for advancing marine microbial ecology and global biogeography.
  • The platform facilitates functional gene discovery with significant implications for biotechnology and environmental science.
  • Integrated multi-omics data in Ocean-M enhances the understanding of marine microbial interactions and ecosystem functions.