Arthropods

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    Protocols in Current Issue
    Measurement of Sleep and Arousal in Drosophila
    Authors:  Margaret E. Driscoll, Callen Hyland and Divya Sitaraman, date: 06/20/2019, view: 564, 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: 628, 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. ...
    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: 1140, 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: 1387, 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: 948, 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 ...
    flySAM Transgenic CRISPRa System Manual
    Authors:  Yu Jia, Da Shen, Xia Wang, Jin Sun, Ping Peng, Rong-Gang Xu, Bowen Xu and Jian-Quan Ni , date: 01/20/2019, view: 1731, Q&A: 0
    [Abstract] Powerful and general methods that can enhance gene expression are useful to systematically study gene function. To date, compared with the methods in generating loss-of-function mutants, methods to achieve gain-of-function are limited. The entire field in Drosophila has relied heavily on the Gal4/UAS:cDNA overexpression system developed ...
    Testing for Assortative Mating by Diet in Drosophila melanogaster
    Authors:  Philip T Leftwich and Tracey Chapman, date: 10/20/2018, view: 1283, Q&A: 0
    [Abstract] Experimental studies of the evolution of reproductive isolation in real time are a powerful way to reveal the way that fundamental processes, such as mate choice, initiate divergence. Mate choice, while frequently described in females, can occur in either sex, and can be affected by the genetics or environment of an individual. Here we describe ...
    Drosophila Endurance Training and Assessment of Its Effects on Systemic Adaptations
    Authors:  Deena Damschroder , Tyler Cobb, Alyson Sujkowski and Robert Wessells, date: 10/05/2018, view: 1703, Q&A: 0
    [Abstract] Exercise induces beneficial systemic adaptations that reduce the incidence of age-related diseases. However, the molecular pathways that elicit these adaptations are not well understood. Understanding the molecular mechanisms that underlie the exercise response can lead to widely beneficial therapies. Large populations, relatively short lifespan, ...
    Stable-isotope Labeled Metabolic Analysis in Drosophila melanogaster: From Experimental Setup to Data Analysis
    Authors:  Yuping Cai, Nan Liu and Zheng-Jiang Zhu, date: 09/20/2018, view: 1716, Q&A: 0
    [Abstract] Stable-isotope labeled metabolic analysis is an essential methodology to characterize metabolic regulation during biological processes. However, the method using stable-isotope-labeled tracer (e.g., 13C-glucose) in live animal is only beginning to be developed. Here, we contribute a qualitative metabolic labeling experiment ...
    Assessing Experience-dependent Tuning of Song Preference in Fruit Flies (Drosophila melanogaster)
    Authors:  Xiaodong Li, Hiroshi Ishimoto and Azusa Kamikouchi, date: 07/20/2018, view: 1900, Q&A: 0
    [Abstract] In songbirds and higher mammals, early auditory experience during childhood is critical to detect and discriminate sound patterns in adulthood. However, the neural and molecular nature of this acquired ability remains elusive. Here, we describe a new behavioral paradigm with Drosophila melanogaster to investigate how the auditory ...



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