Worms

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    Protocols in Current Issue
    Analysis of Caenorhabditis elegans Sperm Number, Size, Activation, and Mitochondrial Content
    Authors:  Amy M. Hammerquist, Chia-An Yen and Sean P. Curran, date: 06/05/2021, view: 2234, Q&A: 0
    [Abstract]

    Infertility is a widespread and often unexplained issue. Studying reproduction using C. elegans males offers insight into the influence of individual factors on male fertility in humans. We have created a collection of protocols to assess several aspects of C. elegans sperm quality, including number, size, rate of activation, and mitochondrial

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    Wounding Caenorhabditis elegans with Glass Wool
    Authors:  Murugesan Pooranachithra, James Prabhanand Bhaskar and Krishnaswamy Balamurugan, date: 01/20/2021, view: 1961, Q&A: 0
    [Abstract]

    Research on wound healing majorly relies on rat, mice and other animal models. However, an alternative animal model ought to be brought in the field, pertaining to the stringent ethical issues owing to the use of animals in research. In this regard, Caenorhabdits elegans, a miniature model nematode gains the great attention of the researchers in

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    Quantification of Bacteria Residing in Caenorhabditis elegans Intestine
    Authors:  M. Fernanda Palominos and Andrea Calixto, date: 05/05/2020, view: 3368, Q&A: 0
    [Abstract] Quantification of intestinal colonization by pathogenic or commensal bacteria constitute a critical part of the analysis to understand host-microbe interactions during different time points of their interplay. Here we detail a method to isolate non-pathogenic and pathogenic bacteria from C. elegans intestines, and classify gut phenotypes ...
    Amplex Red Assay for Measuring Hydrogen Peroxide Production from Caenorhabditis elegans
    Authors:  Ozgur Karakuzu, Melissa R. Cruz, Yi Liu and Danielle A. Garsin, date: 11/05/2019, view: 8245, Q&A: 0
    [Abstract] Reagents such as Amplex® Red have been developed for detecting hydrogen peroxide (H2O2) and are used to measure the release of H2O2 from biological samples such as mammalian leukocytes undergoing the oxidative burst. Caenorhabditis elegans is commonly used as a model host in the study ...
    Oxygen Consumption Measurements in Caenorhabditis elegans Using the Seahorse XF24
    Authors:  Suraiya Haroon and Marc Vermulst, date: 07/05/2019, view: 4533, Q&A: 0
    [Abstract] Mitochondria generate 90% of the energy required to sustain life. As a result, loss of mitochondrial function compromises almost every facet of human physiology. Accordingly, most mitochondrial diseases tend to present themselves as complex, multi-systemic disorders that can be difficult to diagnose. Depending on the severity of the mitochondrial ...
    Measurement of Respiration Rate in Live Caenorhabditis elegans
    Authors:  Li Fang Ng and Jan Gruber, date: 05/20/2019, view: 6263, Q&A: 0
    [Abstract] Mitochondrial function and dysfunction are at the core of aging and involved in many age-dependent diseases. Rate of oxygen consumption is a measure of mitochondrial function and energy production rate. The nematode Caenorhabditis elegans (C. elegans) offers an opportunity to study “living” mitochondria without the need for ...
    Blinded Visual Scoring of Images Using the Freely-available Software Blinder
    Authors:  Steven D. Cothren, Joel N. Meyer and Jessica H. Hartman, date: 12/05/2018, view: 4574, Q&A: 0
    [Abstract] In nearly all subfields of biomedical sciences, there are phenotypes that are currently classified by expert visual scoring. In research applications, these classifications require the experimenter to be blinded to the treatment group in order to avoid unintentional bias in scoring. Currently, many labs either use laborious and tedious methods to ...
    6-hydroxydopamine (6-OHDA) Oxidative Stress Assay for Observing Dopaminergic Neuron Loss in Caenorhabditis elegans
    Authors:  Sarah-Lena Offenburger and Anton Gartner, date: 09/20/2018, view: 5358, Q&A: 0
    [Abstract] The nematode Caenorhabditis elegans is a powerful genetic model that can be used to investigate neuronal death. Research using C. elegans has been crucial to characterize cell death programmes that are conserved in mammals. Many neuronal signaling components, such as those mediating dopaminergic neurotransmission, are preserved ...
    Assessment of Caenorhabditis elegans Competitive Fitness in the Presence of a Bacterial Parasite
    Authors:  McKenna. J. Penley and Levi T. Morran, date: 08/20/2018, view: 4680, Q&A: 0
    [Abstract] Accurate measurements of an organism’s fitness are crucial for measuring evolutionary change. Methods of fitness measurement are most accurate when incorporating an individual’s survival and fecundity, as well as accounting for any ecological interactions or environmental effects experienced by the organism. Here, we describe a protocol for ...
    Measurement of ROS in Caenorhabditis elegans Using a Reduced Form of Fluorescein
    Authors:  Shaarika Sarasija and Kenneth R. Norman, date: 04/05/2018, view: 5060, Q&A: 0
    [Abstract] Oxidative stress is implicated in the pathogenesis of various neurodegenerative diseases, including Alzheimer’s disease. Oxidative stress is a result of a disruption of the equilibrium between antioxidants and oxidants, in favor of oxidants. Since mitochondria are major sites of production and reduction of reactive oxygen species (ROS), ...



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