Lab Notes: Bioinformatics Archives - Laboratory Notes https://www.laboratorynotes.com/category/lab-notes-bioinformatics/ Fri, 11 Sep 2026 09:43:43 +0000 en hourly 1 https://wordpress.org/?v=7.1 UniProt Pathway Information: Understanding Protein Roles in Biological Pathways https://www.laboratorynotes.com/uniprot-pathway-information-understanding-protein-roles-in-biological-pathways/ https://www.laboratorynotes.com/uniprot-pathway-information-understanding-protein-roles-in-biological-pathways/#respond Fri, 11 Sep 2026 09:43:43 +0000 https://www.laboratorynotes.com/?p=30708 Learn how UniProt pathway information connects proteins with metabolic, signaling, and biological pathways and how pathway annotations can be interpreted alongside protein function, evidence, domains, structures, and interactions.

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]]> https://www.laboratorynotes.com/uniprot-pathway-information-understanding-protein-roles-in-biological-pathways/feed/ 0 UniProt Protein Structures: Understanding Structural Information in Protein Entries https://www.laboratorynotes.com/uniprot-protein-structures-understanding-structural-information-in-protein-entries/ https://www.laboratorynotes.com/uniprot-protein-structures-understanding-structural-information-in-protein-entries/#respond Fri, 11 Sep 2026 09:41:36 +0000 https://www.laboratorynotes.com/?p=30706 Learn how UniProt connects protein sequences and annotations with experimental and predicted structures, including PDB structures, AlphaFold models, domains, active sites, and variants.

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]]> https://www.laboratorynotes.com/uniprot-protein-structures-understanding-structural-information-in-protein-entries/feed/ 0 Protein Structures in the Protein Data Bank: Types, Organization, and Biological Importance https://www.laboratorynotes.com/protein-structures-in-the-protein-data-bank-types-organization-and-biological-importance/ https://www.laboratorynotes.com/protein-structures-in-the-protein-data-bank-types-organization-and-biological-importance/#respond Fri, 11 Sep 2026 09:34:58 +0000 https://www.laboratorynotes.com/?p=30566 Learn about protein structures in the Protein Data Bank (PDB), including primary, secondary, tertiary, and quaternary structures, major protein types, structural methods, biological functions, and scientific applications.

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]]> https://www.laboratorynotes.com/protein-structures-in-the-protein-data-bank-types-organization-and-biological-importance/feed/ 0 Protein Sequence Data in UniProt https://www.laboratorynotes.com/protein-sequence-data-in-uniprot/ https://www.laboratorynotes.com/protein-sequence-data-in-uniprot/#respond Fri, 11 Sep 2026 09:31:46 +0000 https://www.laboratorynotes.com/?p=30560 Explore how UniProt stores and organizes protein sequence data, including amino acid sequences, identifiers, sequence features, domains, variants, isoforms, FASTA files, and related sequence resources.

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]]> https://www.laboratorynotes.com/protein-sequence-data-in-uniprot/feed/ 0 UniProtKB https://www.laboratorynotes.com/uniprotkb/ https://www.laboratorynotes.com/uniprotkb/#respond Fri, 11 Sep 2026 09:10:24 +0000 https://www.laboratorynotes.com/?p=30548 UniProtKB is the central protein knowledgebase of UniProt, providing protein sequences, functional annotations, evidence, identifiers, sequence features, taxonomy, literature, and cross-references. Learn how UniProtKB/Swiss-Prot and UniProtKB/TrEMBL organize reviewed and unreviewed protein information.

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]]> https://www.laboratorynotes.com/uniprotkb/feed/ 0 Strain-Level Antimicrobial Resistance Surveillance: Methods, Applications and Genomic Analysis https://www.laboratorynotes.com/strain-level-antimicrobial-resistance-surveillance-methods-applications-and-genomic-analysis/ https://www.laboratorynotes.com/strain-level-antimicrobial-resistance-surveillance-methods-applications-and-genomic-analysis/#respond Thu, 10 Sep 2026 16:49:00 +0000 https://www.laboratorynotes.com/?p=30951 Strain-level antimicrobial resistance surveillance uses genomic and metagenomic data to track resistant microbial strains, investigate genetic relatedness, identify resistance determinants, and monitor potential transmission. Learn how whole-genome sequencing, metagenomics, SNP analysis, phylogenetics, genomic clustering, resistance-gene analysis, and One Health approaches support high-resolution AMR surveillance.

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]]> https://www.laboratorynotes.com/strain-level-antimicrobial-resistance-surveillance-methods-applications-and-genomic-analysis/feed/ 0 Antimicrobial Resistance Mechanisms: Types, Molecular Processes and Metagenomic Analysis https://www.laboratorynotes.com/antimicrobial-resistance-mechanisms-types-molecular-processes-and-metagenomic-analysis/ https://www.laboratorynotes.com/antimicrobial-resistance-mechanisms-types-molecular-processes-and-metagenomic-analysis/#respond Thu, 10 Sep 2026 16:39:34 +0000 https://www.laboratorynotes.com/?p=30920 Antimicrobial resistance mechanisms allow microorganisms to survive antimicrobial exposure through processes such as drug inactivation, target modification, target protection, reduced permeability, active efflux, metabolic bypass, and genetic mutation. Learn how metagenomic sequencing can identify and investigate these mechanisms across microbial communities.

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]]> https://www.laboratorynotes.com/antimicrobial-resistance-mechanisms-types-molecular-processes-and-metagenomic-analysis/feed/ 0 Plasmid Reconstruction: Principles, Methods, Metagenomic Analysis and Applications https://www.laboratorynotes.com/plasmid-reconstruction-principles-methods-metagenomic-analysis-and-applications/ https://www.laboratorynotes.com/plasmid-reconstruction-principles-methods-metagenomic-analysis-and-applications/#respond Thu, 10 Sep 2026 16:38:26 +0000 https://www.laboratorynotes.com/?p=30925 Plasmid reconstruction recovers and characterizes plasmid DNA from sequencing data. Learn how metagenomic assembly, short- and long-read sequencing, plasmid detection, host association, genomic context, and resistance-gene analysis are used to investigate plasmids and genetic mobility.

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]]> https://www.laboratorynotes.com/plasmid-reconstruction-principles-methods-metagenomic-analysis-and-applications/feed/ 0 Horizontal Gene Transfer: Mechanisms, Methods, Microbial Evolution and Metagenomic Analysis https://www.laboratorynotes.com/horizontal-gene-transfer-mechanisms-methods-microbial-evolution-and-metagenomic-analysis/ https://www.laboratorynotes.com/horizontal-gene-transfer-mechanisms-methods-microbial-evolution-and-metagenomic-analysis/#respond Thu, 10 Sep 2026 16:31:57 +0000 https://www.laboratorynotes.com/?p=30927 Horizontal gene transfer enables microorganisms to acquire genetic material from other organisms outside normal parent-to-offspring inheritance. Learn how conjugation, transformation, transduction, plasmids, transposons, integrons, and other mobile genetic elements contribute to microbial evolution and antimicrobial resistance, and how metagenomics can investigate genetic mobility.

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]]> https://www.laboratorynotes.com/horizontal-gene-transfer-mechanisms-methods-microbial-evolution-and-metagenomic-analysis/feed/ 0 Antimicrobial Resistance Databases: Types, Resources, Selection and Applications https://www.laboratorynotes.com/antimicrobial-resistance-databases-types-resources-selection-and-applications/ https://www.laboratorynotes.com/antimicrobial-resistance-databases-types-resources-selection-and-applications/#respond Thu, 10 Sep 2026 16:31:43 +0000 https://www.laboratorynotes.com/?p=30918 Antimicrobial resistance databases provide reference sequences and annotations for detecting and interpreting resistance genes. Learn about AMR database types, resistance gene resources, database selection, curation, sequence matching, metagenomic applications, and limitations.

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]]> https://www.laboratorynotes.com/antimicrobial-resistance-databases-types-resources-selection-and-applications/feed/ 0 Mobile Genetic Elements: Types, Functions, Horizontal Gene Transfer and Metagenomic Analysis https://www.laboratorynotes.com/mobile-genetic-elements-types-functions-horizontal-gene-transfer-and-metagenomic-analysis/ https://www.laboratorynotes.com/mobile-genetic-elements-types-functions-horizontal-gene-transfer-and-metagenomic-analysis/#respond Thu, 10 Sep 2026 16:24:27 +0000 https://www.laboratorynotes.com/?p=30922 Mobile genetic elements are DNA structures that can move within genomes or between microorganisms and can carry antimicrobial resistance, virulence, metabolic, and adaptive genes. Learn about plasmids, transposons, integrons, insertion sequences, genomic islands, bacteriophages, horizontal gene transfer, and metagenomic methods for studying genetic mobility.

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]]> https://www.laboratorynotes.com/mobile-genetic-elements-types-functions-horizontal-gene-transfer-and-metagenomic-analysis/feed/ 0 One Health Antimicrobial Resistance: Human, Animal, Environmental and Metagenomic Perspectives https://www.laboratorynotes.com/one-health-antimicrobial-resistance-human-animal-environmental-and-metagenomic-perspectives/ https://www.laboratorynotes.com/one-health-antimicrobial-resistance-human-animal-environmental-and-metagenomic-perspectives/#respond Thu, 10 Sep 2026 16:16:52 +0000 https://www.laboratorynotes.com/?p=30929 One Health antimicrobial resistance recognizes that resistance develops and spreads across interconnected human, animal, food, agricultural, wastewater, and environmental systems. Learn how metagenomics can investigate antimicrobial resistance genes, resistomes, mobile genetic elements, resistance reservoirs, and potential dissemination pathways across these connected ecosystems.

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]]> https://www.laboratorynotes.com/one-health-antimicrobial-resistance-human-animal-environmental-and-metagenomic-perspectives/feed/ 0 Resistance Gene Detection: Methods, Databases, Tools and Metagenomic Analysis https://www.laboratorynotes.com/resistance-gene-detection-methods-databases-tools-and-metagenomic-analysis/ https://www.laboratorynotes.com/resistance-gene-detection-methods-databases-tools-and-metagenomic-analysis/#respond Thu, 10 Sep 2026 08:18:56 +0000 https://www.laboratorynotes.com/?p=30909 Resistance gene detection identifies genetic determinants associated with antimicrobial resistance in microbial genomes and communities. Learn how metagenomic sequencing, resistance databases, read-based and assembly-based analysis, gene prediction, abundance profiling, and genomic context are used to detect and characterize antimicrobial resistance genes.

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]]> https://www.laboratorynotes.com/resistance-gene-detection-methods-databases-tools-and-metagenomic-analysis/feed/ 0 Resistome Profiling: Methods, Abundance, Diversity and Interpretation https://www.laboratorynotes.com/resistome-profiling-methods-abundance-diversity-and-interpretation/ https://www.laboratorynotes.com/resistome-profiling-methods-abundance-diversity-and-interpretation/#respond Thu, 10 Sep 2026 08:13:07 +0000 https://www.laboratorynotes.com/?p=30913 Resistome profiling characterizes antimicrobial resistance genes within microbial communities. Learn how resistomes are detected, quantified, compared, and interpreted using metagenomic sequencing, resistance databases, abundance analysis, diversity analysis, statistical methods, and genomic context.

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]]> https://www.laboratorynotes.com/resistome-profiling-methods-abundance-diversity-and-interpretation/feed/ 0 Resistance Gene Abundance: Methods, Quantification, Relative and Absolute Analysis https://www.laboratorynotes.com/resistance-gene-abundance-methods-quantification-relative-and-absolute-analysis/ https://www.laboratorynotes.com/resistance-gene-abundance-methods-quantification-relative-and-absolute-analysis/#respond Thu, 10 Sep 2026 07:57:30 +0000 https://www.laboratorynotes.com/?p=30916 Resistance gene abundance analysis measures the representation of antimicrobial resistance genes within microbial communities. Learn how resistance genes are quantified using metagenomic sequencing, relative and absolute abundance methods, normalization, prevalence analysis, statistical testing, and genomic context.

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]]> https://www.laboratorynotes.com/resistance-gene-abundance-methods-quantification-relative-and-absolute-analysis/feed/ 0 Metagenomic Resistome Analysis: Principles, Methods, Abundance and Applications https://www.laboratorynotes.com/metagenomic-resistome-analysis-principles-methods-abundance-and-applications/ https://www.laboratorynotes.com/metagenomic-resistome-analysis-principles-methods-abundance-and-applications/#respond Thu, 10 Sep 2026 07:55:36 +0000 https://www.laboratorynotes.com/?p=30911 Metagenomic resistome analysis examines the collection of antimicrobial resistance genes within microbial communities. Learn how resistomes are detected, profiled, quantified, compared, and interpreted using metagenomic sequencing, resistance databases, assembly, genome-resolved analysis, statistical methods, and genomic context.

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]]> https://www.laboratorynotes.com/metagenomic-resistome-analysis-principles-methods-abundance-and-applications/feed/ 0 Metagenomic DNA Extraction: Principles, Methods, Workflow and Challenges https://www.laboratorynotes.com/metagenomic-dna-extraction-principles-methods-workflow-and-challenges/ https://www.laboratorynotes.com/metagenomic-dna-extraction-principles-methods-workflow-and-challenges/#respond Thu, 10 Sep 2026 07:49:13 +0000 https://www.laboratorynotes.com/?p=30872 Metagenomic DNA extraction is a critical step in recovering microbial DNA from complex biological and environmental samples. Learn about extraction methods, cell lysis, purification, DNA quality control, contamination, extraction bias, and sequencing requirements.

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]]> https://www.laboratorynotes.com/metagenomic-dna-extraction-principles-methods-workflow-and-challenges/feed/ 0 Metagenomic Sample Collection: Principles, Methods, Preservation and Best Practices https://www.laboratorynotes.com/metagenomic-sample-collection-principles-methods-preservation-and-best-practices/ https://www.laboratorynotes.com/metagenomic-sample-collection-principles-methods-preservation-and-best-practices/#respond Thu, 10 Sep 2026 07:48:35 +0000 https://www.laboratorynotes.com/?p=30870 Metagenomic sample collection is one of the most important steps in a metagenomics study because the quality and representativeness of...

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]]> https://www.laboratorynotes.com/metagenomic-sample-collection-principles-methods-preservation-and-best-practices/feed/ 0 Amplicon Sequencing: Principles, Workflow, Applications and Limitations https://www.laboratorynotes.com/amplicon-sequencing-principles-workflow-applications-and-limitations/ https://www.laboratorynotes.com/amplicon-sequencing-principles-workflow-applications-and-limitations/#respond Thu, 10 Sep 2026 07:46:16 +0000 https://www.laboratorynotes.com/?p=30866 Amplicon sequencing is a targeted approach for studying microbial communities using selected genetic markers. Learn about 16S rRNA and ITS sequencing, PCR, bioinformatics, applications, advantages, and limitations.

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]]> https://www.laboratorynotes.com/amplicon-sequencing-principles-workflow-applications-and-limitations/feed/ 0 Antimicrobial Resistance Genes: Types, Mechanisms, Detection and Metagenomic Analysis https://www.laboratorynotes.com/antimicrobial-resistance-genes-types-mechanisms-detection-and-metagenomic-analysis/ https://www.laboratorynotes.com/antimicrobial-resistance-genes-types-mechanisms-detection-and-metagenomic-analysis/#respond Wed, 09 Sep 2026 23:05:47 +0000 https://www.laboratorynotes.com/?p=30906 Antimicrobial resistance genes enable microorganisms to survive antimicrobial exposure through mechanisms such as drug modification, target protection, reduced permeability, and active efflux. Learn how resistance genes are detected and analyzed using metagenomic sequencing, resistance gene databases, gene prediction, assembly, abundance analysis, and genomic context.

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