Related Experiment Video

Updated: Aug 14, 2026

Efficient Nucleic Acid Extraction and 16S rRNA Gene Sequencing for Bacterial Community Characterization
12:37

Efficient Nucleic Acid Extraction and 16S rRNA Gene Sequencing for Bacterial Community Characterization

Published on: April 14, 2016

Nucleic acids of species of Lactobacillus

N Sriranganathan, R J Seidler, W E Sandine

    Journal of Dairy Science
    |May 1, 1985
    PubMed

    More Related Videos

    The Cultivation, Growth, and Viability of Lactic Acid Bacteria: A Quality Control Perspective04:40

    The Cultivation, Growth, and Viability of Lactic Acid Bacteria: A Quality Control Perspective

    Published on: June 16, 2022

    Methods for Electroporation and Transformation Confirmation in Limosilactobacillus reuteri DSM2001611:04

    Methods for Electroporation and Transformation Confirmation in Limosilactobacillus reuteri DSM20016

    Published on: June 23, 2023

    Related Concept Videos

    Operons02:09

    Operons

    Prokaryotes can control gene expression through operons—DNA sequences consisting of regulatory elements and clustered, functionally related protein-coding genes. Operons use a single promoter sequence to initiate transcription of a gene cluster (i.e., a group of structural genes) into a single mRNA molecule. The terminator sequence ends transcription. An operator sequence, located between the promoter and structural genes, prohibits the operon’s transcriptional activity if bound by a repressor...
    Inducible Operons: lac Operon01:25

    Inducible Operons: lac Operon

    The lac operon in Escherichia coli is a model for understanding inducible gene regulation and metabolic flexibility. It integrates local control by lactose and global regulation through catabolite repression, enabling E. coli to preferentially metabolize glucose when available and switch to lactose utilization when glucose is scarce.Structure and Function of the lac OperonThe lac operon contains three structural genes: lacZ (β-galactosidase), lacY (lactose permease), and lacA (thiogalactoside...
    Applications of Molecular Taxonomy01:20

    Applications of Molecular Taxonomy

    Molecular taxonomy has revolutionized the understanding and classification of bacteria, providing precise insights into their diversity, evolutionary relationships, and ecological roles. By utilizing molecular techniques such as DNA sequencing and fingerprinting, researchers have made significant strides in various fields related to bacterial studies.Resolving Taxonomic AmbiguitiesMolecular taxonomy has been instrumental in distinguishing closely related bacterial species initially thought to...
    Bacterial Phylum Actinobacteria01:30

    Bacterial Phylum Actinobacteria

    Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
    Bacterial Phylum Firmicutes01:27

    Bacterial Phylum Firmicutes

    Firmicutes is a diverse phylum of Gram-positive bacteria characterized by a low GC content in their genomes. This phylum includes organisms with monoderm or diderm cell envelopes, highlighting a complex evolutionary history. Firmicutes comprises several major orders, including Lactobacillales, Clostridiales, and Bacillales, which exhibit remarkable diversity in their morphology, metabolism, and ecological roles.The order Lactobacillales includes lactic acid bacteria, which are fermentative...
    Probiotics01:22

    Probiotics

    Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...