Arthropods

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    Protocols in Current Issue
    Characterization of Biological Motion Using Motion Sensing Superpixels
    Precise spatiotemporal regulation is the foundation for the healthy development and maintenance of living organisms. All cells must correctly execute their function in the right place at the right time. Cellular motion is thus an important dynamic ...
    Characterization of Biological Motion Using Motion Sensing Superpixels
    [Abstract] Precise spatiotemporal regulation is the foundation for the healthy development and maintenance of living organisms. All cells must correctly execute their function in the right place at the right time. Cellular motion is thus an important dynamic readout of signaling in key disease-relevant molecular pathways. However despite the rapid ...
    Ex vivo Drosophila Wing Imaginal Disc Culture and Furin Inhibitor Assay
    Authors:  Alex Sohr, Lijuan Du and Sougata Roy, date: 08/20/2019, view: 236, Q&A: 0
    [Abstract] Furin is an evolutionarily conserved proprotein convertase (PC) family enzyme with a broad range of substrates that are essential for developmental, homeostatic, and disease pathways. Classical genetic approaches and in vitro biochemical or cell biological assays identified that precursor forms of most growth factor family proteins are ...
    Optogenetic Inactivation of Transcription Factors in the Early Embryo of Drosophila
    Authors:  Stephen L. McDaniel and Melissa M. Harrison, date: 07/05/2019, view: 736, Q&A: 0
    [Abstract] The early embryo of Drosophila melanogaster exists as a rapidly dividing syncytium of nuclei that are transcriptionally silent. Maternally deposited factors are required to awaken the genome and assist in the transition from maternal to zygotic control of development. Because many of these essential factors are maternally deposited and ...
    Measurement of Sleep and Arousal in Drosophila
    Authors:  Margaret E. Driscoll, Callen Hyland and Divya Sitaraman, date: 06/20/2019, view: 682, Q&A: 0
    [Abstract] Sleep is a conserved neurobehavioral state observed in animals with sufficiently complex nervous systems and is critical for survival. While the exact function of sleep remains unknown, the lack of sleep can have a range of physiological and behavioral effects. Studies in invertebrates and vertebrates have identified conserved neural mechanisms ...
    Accessing Olfactory Habituation in Drosophila melanogaster with a T-maze Paradigm
    Authors:  Ourania Semelidou, Summer F. Acevedo and Efthimios M.C. Skoulakis, date: 06/05/2019, view: 761, Q&A: 0
    [Abstract] Habituation is the process whereby perceptual changes alter the value of environmental stimuli, enabling salience filtering. This behavioral response decrement is a form of non-associative learning, where the subject learns about the stimulus and does not involve sensory adaptation, sensory or motor fatigue. The range of behavioral responses in D. ...
    Hypochlorous Acid Staining with R19-S in the Drosophila Intestine upon Ingestion of Opportunistic Bacteria
    Authors:  Salma Hachfi, Olivia Benguettat and Armel Gallet, date: 05/20/2019, view: 812, Q&A: 0
    [Abstract] The intestine is endowed with an innate immune system that is required to fight any exogenous bacteria that are swallowed along with the food. The first line of defense that is mounted by the gut epithelium is the release of immune Reactive Oxygen Species (ROS), such as hypochlorous acid (HOCl), into the lumen. HOCl is produced within 1.5 h of ...
    pNP Transgenic RNAi System Manual in Drosophila
    Authors:  Fang Wang, Huan-Huan Qiao, Rong-Gang Xu, Jin Sun, Ruibao Zhu, Decai Mao and Jian-Quan Ni , date: 02/05/2019, view: 1244, Q&A: 0
    [Abstract] Much of our knowledge about the mechanisms underlying biological processes relies on genetic approaches, whereby gene activity is reduced and the phenotypic consequences of perturbation are analyzed in detail. For functional genomic studies, a specific, systematic, and cost-effective manner is critical. Transgenic RNAi system is the top priority ...
    Flip-flop Mediated Conditional Gene Inactivation in Drosophila
    Authors:  Sathiya N. Manivannan, Priyanka Pandey and Sonal Nagarkar-Jaiswal, date: 02/05/2019, view: 1533, Q&A: 0
    [Abstract] Mosaic analysis in Drosophila, an important tool to assess cellular phenotypes of mutants in an otherwise heterozygous background, relies on mitosis. Hence, it cannot be used to inactivate gene function in mitotically inactive, terminally differentiated cells such as neurons. To address this issue, we developed “Flip-flop”, a novel, ...
    A Novel Hygrotaxis Assay for Assessing Thirst Perception and Water Sensation in Drosophila
    Authors:  Yuanjie Sun, Shan Gao, Feiteng Ji and Yan Zhu, date: 02/05/2019, view: 1012, Q&A: 0
    [Abstract] Water is essential for the survival of terrestrial animals. Animals obtain water from their food, from metabolism and, more importantly, by drinking. It is therefore vital for dehydrated animals to efficiently locate water sources in the wild. Traditional paradigm for studying the genetic basis of humidity sensation and preference use an apparatus ...
    Click Chemistry (CuAAC) and Detection of Tagged de novo Synthesized Proteins in Drosophila
    [Abstract] Copper-catalyzed azide-alkyne-cycloaddition (CuAAC), also known as ‘click chemistry’ serves as a technique for bio-orthogonal, that is, bio-compatible labeling of macromolecules including proteins or lipids. Click chemistry has been widely used to covalently, selectively, and efficiently attach probes such as fluorophores or biotin to small ...



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