C Elegans Muscle Necrosis
C Elegans Muscle Necrosis - Related Videos
02:12
Muscle Necrosis Assay in C. elegans Induced by a Pathogenic Aeromonas Strain
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2026
Source: Chen, Y. et. al., Evaluating Virulence and Pathogenesis of Aeromonas Infection in a Caenorhabditis elegans Model. J. Vis. Exp. (2018)This video demonstrates a muscle necrosis assay in C. elegans (Caenorhabditis elegans) using pathogenic Aeromonas strains. By feeding green fluorescent protein (GFP)-expressing worms on Aeromonas-seeded plates, the assay models bacterial infection and reveals tissue damage through fluorescence imaging. The progressive loss of muscle structure and GFP...
02:25
C. elegans Muscle Area Measurements: A Standardized Method to Quantify Striated Muscle Morphology
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2023
C. elegans have two types of muscles, single sarcomere and multiple sarcomere, or striated muscles. This video describes the arrangement of the striated body wall muscles, which are responsible for a worm’s locomotion and includes a sample protocol to measure muscle morphology using image analysis software.
01:16
Necrosis
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2023
Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”. Morphological Manifestations of Necrosis Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...
11:34
Basic Caenorhabditis elegans Methods: Synchronization and Observation
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Cited by 452 •
2012
The easiness of maintaining and propagating the nematode C. elegans make it a nice model organism to work with. The possibility of synchronizing worms allows the work with a significant amount of subjects at the same developmental stage, what facilitates the study of one particular process in many animals.
09:14
C. elegans Development and Reproduction
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2023
Ceanorhabditis elegans is a powerful tool to help understand how organisms develop from a single cell into a vast interconnected array of functioning tissues. Early work in C. elegans traced the complete cell lineage and structure at the electron microscopy level, allowing researchers unprecedented insight into the connection between genes, development and disease. Appreciating the stereotyped development and reproductive program of C. elegans is essential to using this model organism to its...
FAQs
Abnormal hypercontraction can damage contractile fibers when muscle excitation produces excessive force and disrupts ion balance. The resulting cellular stress is associated with increased calcium signaling, which further impairs muscle structure and promotes pathological changes. This connection allows researchers to examine how an initially abnormal contractile state progresses toward swelling, vacuolization, and tissue breakdown.
Calcium handling is important because excessive calcium signaling links altered excitation to structural injury in muscle cells. Mutations or stresses that disturb this balance can intensify the phenotype, whereas changes that limit damaging calcium-related effects may suppress it. Studying these relationships helps distinguish upstream excitation defects from downstream cellular damage mechanisms.
Severity can change when mutations or environmental stresses affect muscle excitation, calcium handling, or protease activity. These factors may increase or suppress the pathological phenotype, making them useful entry points for genetic analysis. Comparing such modifiers helps identify cellular pathways that either promote damage or protect muscle cells from degeneration.
The injury is reflected by cellular swelling, vacuolization, and structural breakdown of muscle tissue. These changes provide distinct manifestations of damage that can be examined alongside the abnormal contractile state. Considering both the initiating hypercontraction and the later structural disruption helps researchers connect altered muscle activity with the visible consequences of necrotic degeneration.
The genetic tractability of C. elegans allows researchers to examine how particular mutations alter the muscle-degeneration phenotype. Environmental stresses can provide an additional way to challenge the tissue, while genetic modifiers can reveal changes that increase or suppress injury. This strategy supports the identification of pathways associated with protection, susceptibility, and cellular damage.
Studies of this process provide context for understanding necrotic cell death and muscle degeneration beyond the nematode model. Because the system connects excitation, calcium signaling, protease activity, and structural injury, it can be used to investigate conserved mechanisms of cellular damage. These findings are relevant to broader research on tissue injury and human disease.