期刊
NUCLEUS
卷 13, 期 1, 页码 116-128出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/19491034.2022.2043608
关键词
Nuclear matrix; nuclear architecture; in situ NuMat
类别
资金
- Council ofScientific and Industrial Research, Government of India [MLP0139]
- Science and Engineering Research Board
- JC Bose fellowship [GAP0466]
This study provides a new method for preparing nuclear matrix in intact Drosophila melanogaster embryos and dissecting its components of nuclear architecture. The protocol does not require nucleus isolation, therefore maintaining the three-dimensional environment of an intact embryo, which is more biologically relevant. The protocol has been extended to larval tissues with little modification, making it possible to carry out studies in parallel to genetic experiments.
The study of nuclear matrix (NuMat) over the last 40 years has been limited to either isolated nuclei from tissues or cells grown in culture. Here, we provide a protocol for NuMat preparation in intact Drosophila melanogaster embryos and its use in dissecting the components of nuclear architecture. The protocol does not require isolation of nuclei and therefore maintains the three-dimensional milieu of an intact embryo, which is biologically more relevant compared to cells in culture. One of the advantages of this protocol is that only a small number of embryos are required. The protocol has been extended to larval tissues like salivary glands with little modification. Taken together, it becomes possible to carry out such studies in parallel to genetic experiments using mutant/transgenic flies. This protocol, therefore, opens the powerful field of fly genetics to cell biology in the study of nuclear architecture. Summary: Nuclear Matrix is a biochemically defined entity and a basic component of the nuclear architecture. Here we present a protocol to isolate and visualize Nuclear Matrix in situ in the Drosophila melanogaster and its potential applications.
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