Lab Notes: Microbiology Archives - Laboratory Notes https://www.laboratorynotes.com/category/lab-notes-microbiology/ Sat, 27 Sep 2025 23:24:32 +0000 en hourly 1 https://wordpress.org/?v=6.9 Multidrug-resistant Mycobacterium tuberculosis https://www.laboratorynotes.com/multidrug-resistant-mycobacterium-tuberculosis/ https://www.laboratorynotes.com/multidrug-resistant-mycobacterium-tuberculosis/#respond Sat, 27 Sep 2025 23:24:30 +0000 https://www.laboratorynotes.com/?p=26584 Multidrug-resistant Mycobacterium tuberculosis (MDR-TB) refers to strains of the bacterium that cause tuberculosis (TB) but are resistant to at least...

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]]> https://www.laboratorynotes.com/multidrug-resistant-mycobacterium-tuberculosis/feed/ 0 Methicillin-resistant Staphylococcus aureus https://www.laboratorynotes.com/methicillin-resistant-staphylococcus-aureus/ https://www.laboratorynotes.com/methicillin-resistant-staphylococcus-aureus/#respond Sat, 27 Sep 2025 23:20:57 +0000 https://www.laboratorynotes.com/?p=26582 Methicillin-resistant Staphylococcus aureus (MRSA) is a highly problematic bacterial pathogen that has become a symbol of the global antibiotic resistance...

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]]> https://www.laboratorynotes.com/methicillin-resistant-staphylococcus-aureus/feed/ 0 Antibiotic Resistance https://www.laboratorynotes.com/antibiotic-resistance/ https://www.laboratorynotes.com/antibiotic-resistance/#respond Sat, 27 Sep 2025 23:17:15 +0000 https://www.laboratorynotes.com/?p=26580 Antibiotic resistance is the ability of microorganisms—particularly bacteria, but also fungi, viruses, and parasites—to withstand the effects of drugs designed...

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]]> https://www.laboratorynotes.com/antibiotic-resistance/feed/ 0 Extracellular Polymeric Substance https://www.laboratorynotes.com/extracellular-polymeric-substance/ https://www.laboratorynotes.com/extracellular-polymeric-substance/#respond Fri, 26 Sep 2025 14:47:05 +0000 https://www.laboratorynotes.com/?p=26531 Extracellular polymeric substances (EPS) are a diverse mixture of high-molecular-weight compounds secreted by microorganisms into their surrounding environment. They primarily...

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]]> https://www.laboratorynotes.com/extracellular-polymeric-substance/feed/ 0 Antimicrobial https://www.laboratorynotes.com/antimicrobial/ https://www.laboratorynotes.com/antimicrobial/#respond Tue, 23 Sep 2025 15:25:00 +0000 https://www.laboratorynotes.com/?p=26195 Antimicrobials are agents that inhibit the growth of or destroy microorganisms, including bacteria, viruses, fungi, and parasites. They represent one...

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]]> https://www.laboratorynotes.com/antimicrobial/feed/ 0 Microbiome https://www.laboratorynotes.com/microbiome/ https://www.laboratorynotes.com/microbiome/#respond Tue, 23 Sep 2025 14:21:38 +0000 https://www.laboratorynotes.com/?p=26186 The microbiome refers to the entire community of microorganisms—including bacteria, archaea, fungi, viruses, and protozoa—that live in association with a...

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]]> https://www.laboratorynotes.com/microbiome/feed/ 0 Biosafety Level 2 (BSL-2) https://www.laboratorynotes.com/biosafety-level-2-bsl-2/ https://www.laboratorynotes.com/biosafety-level-2-bsl-2/#respond Mon, 22 Sep 2025 21:24:53 +0000 https://www.laboratorynotes.com/?p=26120 Biosafety Level 2 (BSL-2) is a classification of laboratory facility and practices designed for work involving agents that pose moderate...

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]]> https://www.laboratorynotes.com/biosafety-level-2-bsl-2/feed/ 0 Biosafety Level 3 (BSL-3) https://www.laboratorynotes.com/biosafety-level-3-bsl-3/ https://www.laboratorynotes.com/biosafety-level-3-bsl-3/#respond Mon, 22 Sep 2025 20:48:32 +0000 https://www.laboratorynotes.com/?p=26118 Biosafety Level 3 (BSL-3) is a specialized laboratory classification designed for work with indigenous or exotic pathogens that can cause...

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]]> https://www.laboratorynotes.com/biosafety-level-3-bsl-3/feed/ 0 Biosafety Level 4 (BSL-4) https://www.laboratorynotes.com/biosafety-level-4-bsl-4/ https://www.laboratorynotes.com/biosafety-level-4-bsl-4/#respond Mon, 22 Sep 2025 20:45:58 +0000 https://www.laboratorynotes.com/?p=26116 Biosafety Level 4 (BSL-4) is the highest level of biological safety containment, reserved for work with the most dangerous and...

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]]> https://www.laboratorynotes.com/biosafety-level-4-bsl-4/feed/ 0 Biosafety Level 1 (BSL-1) https://www.laboratorynotes.com/biosafety-level-1-bsl-1/ https://www.laboratorynotes.com/biosafety-level-1-bsl-1/#respond Mon, 22 Sep 2025 20:43:01 +0000 https://www.laboratorynotes.com/?p=26114 Biosafety Level 1 (BSL-1) is the basic laboratory safety level, suitable for work with agents that pose minimal risk to...

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]]> https://www.laboratorynotes.com/biosafety-level-1-bsl-1/feed/ 0 Commensal Microbiota https://www.laboratorynotes.com/commensal-microbiota/ https://www.laboratorynotes.com/commensal-microbiota/#respond Mon, 22 Sep 2025 07:20:47 +0000 https://www.laboratorynotes.com/?p=25834 The commensal microbiota refers to the diverse community of microorganisms that naturally inhabit the surfaces and cavities of multicellular hosts,...

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]]> https://www.laboratorynotes.com/commensal-microbiota/feed/ 0 Whole-Genome Sequencing in Bacterial Taxonomy https://www.laboratorynotes.com/whole-genome-sequencing-in-bacterial-taxonomy/ https://www.laboratorynotes.com/whole-genome-sequencing-in-bacterial-taxonomy/#respond Mon, 07 Jul 2025 11:16:29 +0000 https://www.laboratorynotes.com/?p=21628 Whole-genome sequencing (WGS) has revolutionized the field of bacterial taxonomy, providing a level of resolution and accuracy that far surpasses...

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]]> https://www.laboratorynotes.com/whole-genome-sequencing-in-bacterial-taxonomy/feed/ 0 Limitations of 16S rRNA Gene Sequencing for Bacterial Taxonomy https://www.laboratorynotes.com/limitations-of-16s-rrna-gene-sequencing-for-bacterial-taxonomy/ https://www.laboratorynotes.com/limitations-of-16s-rrna-gene-sequencing-for-bacterial-taxonomy/#respond Mon, 07 Jul 2025 09:34:41 +0000 https://www.laboratorynotes.com/?p=21620 The 16S ribosomal RNA (rRNA) gene has long been a fundamental tool in bacterial taxonomy due to its universal presence,...

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]]> https://www.laboratorynotes.com/limitations-of-16s-rrna-gene-sequencing-for-bacterial-taxonomy/feed/ 0 16S rRNA Gene Sequencing https://www.laboratorynotes.com/16s-rrna-gene-sequencing/ https://www.laboratorynotes.com/16s-rrna-gene-sequencing/#respond Mon, 07 Jul 2025 08:57:58 +0000 https://www.laboratorynotes.com/?p=21603 16S rRNA gene sequencing is a fundamental molecular technique used for bacterial identification, taxonomic classification, and microbial community analysis. This...

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]]> https://www.laboratorynotes.com/16s-rrna-gene-sequencing/feed/ 0 Biosafety Level https://www.laboratorynotes.com/biosafety-level/ https://www.laboratorynotes.com/biosafety-level/#respond Sun, 22 Jun 2025 16:31:59 +0000 https://www.laboratorynotes.com/?p=20307 Biosafety levels (BSLs) are a series of graduated protective measures and containment protocols designed to ensure the safe handling of...

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]]> https://www.laboratorynotes.com/biosafety-level/feed/ 0 Aseptic Techniques https://www.laboratorynotes.com/aseptic-techniques/ https://www.laboratorynotes.com/aseptic-techniques/#respond Sun, 22 Jun 2025 15:40:45 +0000 https://www.laboratorynotes.com/?p=20298 Aseptic techniques are a set of practices and procedures designed to prevent contamination by pathogens or other unwanted microorganisms during...

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]]> https://www.laboratorynotes.com/aseptic-techniques/feed/ 0 Asepsis https://www.laboratorynotes.com/asepsis/ https://www.laboratorynotes.com/asepsis/#respond Sun, 22 Jun 2025 14:48:25 +0000 https://www.laboratorynotes.com/?p=20296 Asepsis refers to the state of being free from disease-causing microorganisms. In medical and laboratory settings, asepsis is achieved through...

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]]> https://www.laboratorynotes.com/asepsis/feed/ 0 Mesoscale Organization in Bacteria https://www.laboratorynotes.com/mesoscale-organization-in-bacteria/ https://www.laboratorynotes.com/mesoscale-organization-in-bacteria/#respond Thu, 19 Jun 2025 15:44:59 +0000 https://www.laboratorynotes.com/?p=20224 Despite their small size and apparent simplicity, bacteria exhibit a remarkable degree of mesoscale organization that is essential for their...

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]]> https://www.laboratorynotes.com/mesoscale-organization-in-bacteria/feed/ 0 Prokaryotic Gene Vs Eukaryotic Gene https://www.laboratorynotes.com/prokaryotic-gene-vs-eukaryotic-gene/ https://www.laboratorynotes.com/prokaryotic-gene-vs-eukaryotic-gene/#respond Sat, 07 Jun 2025 23:53:11 +0000 https://www.laboratorynotes.com/?p=19847 Criteria Prokaryotic Gene Eukaryotic Gene Remarks Gene Organization Typically organized in operons (polycistronic); multiple genes under one promoter Mostly monocistronic;...

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]]> https://www.laboratorynotes.com/prokaryotic-gene-vs-eukaryotic-gene/feed/ 0 Bacteria https://www.laboratorynotes.com/bacteria/ https://www.laboratorynotes.com/bacteria/#respond Wed, 04 Jun 2025 14:59:38 +0000 https://www.laboratorynotes.com/?p=19791 Bacteria are single-celled prokaryotic microorganisms that represent one of the most diverse and abundant life forms on Earth. These remarkably...

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