Linked Life Data

21326211

Source:http://linkedlifedata.com/resource/pubmed/id/21326211

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2011-3-16
pubmed:abstractText
Ribosome biogenesis is a tightly controlled pathway that requires an intricate spatial and temporal interplay of protein networks. Most structural rRNA components are generated in the nucleolus and assembled into pre-ribosomal particles, which are transferred for further maturation to the nucleoplasm and cytoplasm. In metazoa, few regulatory components for these processes have been characterized. Previous work revealed a critical role for the SUMO-specific protease SENP3 in the nucleolar steps of ribosome biogenesis. We biochemically purified a SENP3-associated complex comprising PELP1, TEX10 and WDR18, and demonstrate that this complex is involved in maturation and nucleolar release of the large ribosomal subunit. We identified PELP1 and the PELP1-associated factor LAS1L as SENP3-sensitive targets of SUMO, and provide evidence that balanced SUMO conjugation/deconjugation determines the nucleolar partitioning of this complex. This defines the PELP1-TEX10-WDR18 complex as a regulator of ribosome biogenesis and suggests that its SUMO-controlled distribution coordinates the rate of ribosome formation. These findings contribute to the basic understanding of mammalian ribosome biogenesis and shed new light on the role of SUMO in this process.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
1460-2075
pubmed:author
pubmed:issnType
Electronic
pubmed:day
16
pubmed:volume
30
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1067-78
pubmed:dateRevised
2011-11-17
pubmed:meshHeading
pubmed:year
2011
pubmed:articleTitle
The SUMO system controls nucleolar partitioning of a novel mammalian ribosome biogenesis complex.
pubmed:affiliation
Department of Molecular Cell Biology, Max Planck Institute of Biochemistry, Martinsried, Germany.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't