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Coilin: The first 25 years.

Martin Machyna¹, Karla M Neugebauer, David Staněk

¹a Department of Molecular Biophysics & Biochemistry ; Yale University ; New Haven , CT USA.

|May 14, 2015

Summary

This summary is machine-generated.

Coilin protein scaffolds Cajal bodies (CBs), but its structure and function remain unclear. This review synthesizes 25 years of research on coilin

Keywords:

Cajal body coilin histone small Cajal body-specific RNA (scaRNA)small nuclear RNA (snRNA)small nuclear ribonucleoprotein particle (snRNP)small nucleolar RNA (snoRNA)spliceosome splicing telomere

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Area of Science:

Molecular Biology
Cell Biology

Background:

Coilin, a protein marker for Cajal bodies (CBs), was identified 25 years ago.
Coilin is known to scaffold CBs, but its detailed structure and function are poorly understood.
Coilin lacks predicted structural motifs, yet engages in numerous molecular interactions crucial for CB formation and function.

Observation:

This review summarizes 25 years of research on coilin's structure, post-transcriptional modifications, and interactions.
Homologs of human coilin are present in primitive metazoans, with variations observed across model organisms.
Coilin's role in Cajal body formation and RNP metabolism is explored in light of recent findings.

Findings:

Coilin's molecular interactions are key to its role in Cajal body formation and function.
Evolutionary conservation of coilin homologs suggests fundamental roles in metazoans.
Post-transcriptional modifications and RNA/protein interactions significantly influence coilin function.

Implications:

Understanding coilin's structure-function relationship is crucial for elucidating Cajal body biology.
Coilin research provides insights into RNP metabolism and gene regulation.
Comparative studies across organisms highlight conserved and divergent roles of coilin.