Developmental Biology

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    Protocols in Current Issue
    DigiTAG–a RNA Sequencing Approach to Analyze Transcriptomes of Rare Cell Populations in Drosophila melanogaster
    Authors:  Lisa Landskron, Francois Bonnay, Thomas R. Burkard and Jürgen A. Knoblich, date: 11/05/2020, view: 1297, Q&A: 0
    [Abstract]

    Cell-type specific transcriptional programs underlie the development and maintenance of organs. Not only distinct cell types within a tissue, even cells with supposedly identical cell fates show a high degree of transcriptional heterogeneity. Inevitable, low cell numbers are a major hurdle to study transcriptomes of pure cell populations. Here we

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    Production and Bioassay of a Diffusible Factor that Induces Gametophyte-to-Sporophyte Developmental Reprogramming in the Brown Alga Ectocarpus
    [Abstract] The brown alga Ectocarpus has a haploid-diploid life cycle that involves alternation between two multicellular generations, the sporophyte and the gametophyte. Life cycle generation is not determined by ploidy but by a genetic system that includes two different three amino acid loop extension homeodomain transcription factors called ...
    In vitro Induction and Detection of Acrosomal Exocytosis in Human Spermatozoa
    Authors:  Shenae L. Cafe, Amanda L. Anderson and Brett Nixon, date: 07/20/2020, view: 1396, Q&A: 0
    [Abstract] The acrosome reaction is a highly regulated exocytotic event that primes spermatozoa for successful fertilization. Upon induction, acrosomal exocytosis proceeds via a wave of vesiculation that radiates across the sperm head, destabilizing the acrosomal vesicle and resulting in the release of the acrosomal contents. Having shed their acrosome, ...
    Cartilage Induction from Mouse Mesenchymal Stem Cells in High-density Micromass Culture
    [Abstract] Mesenchymal stem cells have the ability to differentiate into multiple lineages, including adipocytes, osteoblasts and chondrocytes. Mesenchymal stem cells can be induced to differentiate into chondrocytes in extracellular matrices, such as alginate or collagen gel. Mesenchymal stem cells in a cell pellet or micromass culture can be also induced ...
    Preserve Cultured Cell Cytonemes through a Modified Electron Microscopy Fixation
    Authors:  Eric T. Hall and Stacey K. Ogden, date: 07/05/2018, view: 3993, Q&A: 0
    [Abstract] Immunocytochemistry of cultured cells is a common and effective technique for determining compositions and localizations of proteins within cellular structures. However, traditional cultured cell fixation and staining protocols are not effective in preserving cultured cell cytonemes, long specialized filopodia that are dedicated to morphogen ...



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