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  • Author(s):
    Yumiko Tokusumi, Tsuyoshi Tokusumi, Robert A. Schulz
    Abstract:

    Acute inflammation can cause serious tissue damage and disease in physiologically-challenged organisms. The precise mechanisms leading to these detrimental effects remain to be determined. In this study, we utilize a reproducible means to induce cellular immune activity in Drosophila larvae in response to mechanical stress. That is, forceps squeeze-administered stress induces lamellocytes, a defensive hemocyte type that normally appears in response to wasp infestation of larvae. The posterior…

    Date Published:
    2018-07
  • Author(s):
    Jeremy Fein, Clayton Johnson, Joshua Shrout
    Abstract:

    Understanding metal sorption to bacteria is important for developing bioremediation strategies, for determining the fate of contaminants in ground water systems, and for defining controls on microbial metabolic processes in the environment. X-ray absorption spectroscopy (XAS) has been the only technique available for quantifying and mapping metal sorption to bacteria on an individual cell scale, but the XAS approach is time consuming and expensive, and quantitative mapping of the distribution…

    Date Published:
    2018-04
  • Author(s):
    Manuela Lahne, Clare E. Yarka, Michael E. Petravick, Jingling Li, David R. Hyde
    Abstract:

    Sox2 is a well-established neuronal stem cell-associated transcription factor that regulates neural development and adult neurogenesis in vertebrates, and is one of the critical genes used to reprogram differentiated cells into induced pluripotent stem cells. We examined if Sox2 was involved in the early reprogramming-like events that Müller glia undergo as they upregulate many pluripotency- and neural stem cell-associated genes required for proliferation in light-damaged adult zebrafish reti…

    Date Published:
    2017-08
  • Author(s):
    Paul T. Kroeger, Bridgette E. Drumond, Rachel Miceli, Michael McKernan, Gary F. Gerlach, Amanda N. Marra, Annemarie Fox, Kristen K. McCampbell, Ignaty Leshchiner, Adriana Rodriguez-Mari, Ruth Bremiller, Ryan Thummel, Alan J. Davidson, John Postlethwait, Wolfram Goessling, Rebecca Wingert
    Abstract:

    The zebrafish kidney is conserved with other vertebrates, making it an excellent genetic model to study renal development. The kidney collects metabolic waste using a blood filter with specialized epithelial cells known as podocytes. Podocyte formation is poorly understood but relevant to many kidney diseases, as podocyte injury leads to progressive scarring and organ failure. zeppelin (zep) was isolated in a forward screen for kidney mutants and identified as a homozygous recessive lethal al…

    Date Published:
    2017