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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Autocatalytic RNA cleavage in the human beta-globin pre-mRNA promotes transcription termination

Article Abstract:

The study characterizes the autocatalytic core of the CoTC ribozyme and demonstrates its functional role in efficient termination in vivo. It predicts that regulated autocatalytic cleavage elements within pre-mRNAs may be a general phenomenon and that functionality it may provide the entry point for exonuclease involved in mRNA maturation, turnover and, in particular, transcriptional termination.

Author: Proudfoot, Nick J., Teixeira, Alexander, Akoulitchev, Alexandre, Tahiri-Alaoui, Abdessamad, West, Steve, James, William, Thomas, Benjamin, Dye, Mick, Ramadass, Aroul, Martianov, Igor
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
Messenger RNA

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A unique clonal JAK2 mutation leading to constitutive signalling causes polycythaemia vera

Article Abstract:

A clonal and recurrent mutation in the JH2 pseudo-kinase domain of the Janus kinase (JAK2) gene in most polycythaemia vera patients is described. Polycythaemia vera is an acquired myeloproliferative disorder, characterized by the presence of polycythaemia diversely associated with thrombocytosis, leukocytosis and splenomegaly.

Author: Casadevall, Nicole, James, Chloe, Staerk, Judith, Garcon, Loic, Bennaceur-Griscelli, Annelise, Constantinescu, Stefan N., Ugo, Valerie, Couedic, Jean-Pierre Le, Delhommeau, Francois, Lacout, Catherine, Raslova, Hana, Berger, Roland, Villeval, Jan Luc, Vainchenker William
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
Genetic aspects, Myeloproliferative disorders, Polycythemia vera

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Defects in RGS9 or its anchor protein R9AP in patients with slow photoreceptor deactivation

Article Abstract:

The genetic and molecular basis of bradyopsia detected from five patients is described. Research indicated that absence of RGS9 or its inability to interact with R9AP is responsible for substantial delay in the recovery from light responses.

Author: Nishiguchi, Koji M., Sandberg, Micheal A., Kooijman, Aart C., Martemyanov, Kirill A., Pott, Jan W.R
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004

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Subjects list: Research, United States, Genetic transcription, Transcription (Genetics), Gene mutations, Gene mutation
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