Drosophila Cajal bodies: accessories not included
نویسندگان
چکیده
منابع مشابه
Drosophila Cajal bodies: accessories not included
Cajal bodies are nuclear sites of small ribonucleoprotein (RNP) remodeling and maturation. A recent study describes the discovery of the Drosophila Cajal body, revealing some interesting insights into the subnuclear organization of RNA processing machineries among different species.
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What are they? Cajal bodies are nuclear suborganelles, typically 0.5 μm in diameter, discovered in 1903 by Santiago Ramón y Cajal. They are dynamic structures involved in the biogenesis of small ribonucleoproteins (RNPs). Cajal bodies contain the highest concentration of small RNPs in the nucleoplasm, as well as a host of other protein factors involved in diverse processes. They are not major s...
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A dystroglycan ligand in the brain ystroglycans are present on the surfaces of cells throughout the body, anchoring cells in the matrix that surrounds them. This function is conspicuously important for muscle cells. Defects in the protein dystrophin, which is D connected to dystroglycan, destabilize the connection of muscle cells to their matrix and cause muscular dystrophy. Dystroglycans are a...
متن کاملCajal bodies and snRNPs - friends with benefits
Spliceosomal snRNPs are complex particles that proceed through a fascinating maturation pathway. Several steps of this pathway are closely linked to nuclear non-membrane structures called Cajal bodies. In this review, I summarize the last 20 y of research in this field. I primarily focus on snRNP biogenesis, specifically on the steps that involve Cajal bodies. I also evaluate the contribution o...
متن کاملCajal bodies and coilin—moving towards function
Many nuclear factors are concentrated within nonmembrane-bound subnuclear bodies. The Cajal body is an example of a conserved nuclear compartment that has been linked to molecular disease. Recent studies have shown Cajal bodies to be surprisingly mobile and offer clues about their function in the cell.
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 2006
ISSN: 1540-8140,0021-9525
DOI: 10.1083/jcb.200602002