Automated three-dimensional reconstruction of the Caenorhabditis elegans germline
نویسندگان
چکیده
منابع مشابه
Induction of germline apoptosis in Caenorhabditis elegans.
RNA interference (RNAi) is an incredibly powerful tool for rapid and efficient knockdown of gene expression. This technology can be used to induce apoptosis in the germline of Caenorhabditis elegans. Genotoxic stressors such as ionizing radiation (IR), ultraviolet light, chemical mutagens (e.g., N-ethyl-N-nitrosourea [ENU]), and DNA cross-linking reagents can also be used to stimulate apoptosis...
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Visualizing apoptosis in developing embryos or the germline of Caenorhabditis elegans is remarkably easy because of the transparency of the organism. The invariant pattern of cell division and programmed cell death during development makes it possible to quantify small but reproducible changes in apoptosis, which are easy to detect by light microscopy because of the refractile properties of dyi...
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Germline chromatin undergoes dramatic remodeling events involving histone variants during the life cycle of an organism. A universal histone variant, H3.3, is incorporated at sites of active transcription throughout the cell cycle. The presence of H3.3 in chromatin indicates histone turnover, which is the energy-dependent removal of preexisting histones and replacement with new histones. H3.3 i...
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Operons are found across multiple kingdoms and phyla, from prokaryotes to chordates. In the nematode Caenorhabditis elegans, the genome contains >1000 operons that compose approximately 15% of the protein-coding genes. However, determination of the force(s) promoting the origin and maintenance of operons in C. elegans has proved elusive. Compared to bacterial operons, genes within a C. elegans ...
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The Caenorhabditis elegans gonad provides a well-defined model for a stem cell niche and its control of self-renewal and differentiation. The distal tip cell (DTC) forms a mesenchymal niche that controls germline stem cells (GSCs), both to generate the germline tissue during development and to maintain it during adulthood. The DTC uses GLP-1/Notch signaling to regulate GSCs; germ cells respond ...
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ژورنال
عنوان ژورنال: Developmental Biology
سال: 2017
ISSN: 0012-1606
DOI: 10.1016/j.ydbio.2017.10.004