http://www.cnr.it/ontology/cnr/individuo/prodotto/ID11428
The Neurospora crassa White Collar-1 dependent blue light response requires acetylation of histone H3 lysine 14 by NGF-1. (Articolo in rivista)
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- The Neurospora crassa White Collar-1 dependent blue light response requires acetylation of histone H3 lysine 14 by NGF-1. (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1091/mbc.E06-03-0232 (literal)
- Alternative label
Grimaldi B, Coiro P, Filetici P , Berge E, Dobosy JR, Freitag M, Selker EU, Ballario P . (2006)
The Neurospora crassa White Collar-1 dependent blue light response requires acetylation of histone H3 lysine 14 by NGF-1.
in Molecular biology of the cell; American Society Of Cell Biology (ASCB), Bethesda (Stati Uniti d'America)
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- Grimaldi B, Coiro P, Filetici P , Berge E, Dobosy JR, Freitag M, Selker EU, Ballario P . (literal)
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- http://www.molbiolcell.org/content/17/10/4576.long (literal)
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- Sapienza Università di Roma, Istituto di Biologia e Patologia Molecolari (literal)
- Titolo
- The Neurospora crassa White Collar-1 dependent blue light response requires acetylation of histone H3 lysine 14 by NGF-1. (literal)
- Abstract
- Blue light-induced transcription in Neurospora crassa is regulated by the White Collar-1 (WC-1) photoreceptor. We report that residue K14 of histone H3 associated with the light-inducible albino-3 (al-3) promoter becomes transiently acetylated after photoinduction. This acetylation depends on WC-1. The relevance of this chromatin modification was directly evaluated in vivo by construction of a Neurospora strain with a mutated histone H3 gene (hH3K14Q). This strain phenocopies a wc-1 blind mutant and shows a strong reduction of light-induced transcriptional activation of both al-3 and vivid (vvd), another light-inducible gene. We mutated Neurospora GCN Five (ngf-1), which encodes a homologue of the yeast HAT Gcn5p, to generate a strain impaired in H3 K14 acetylation and found that it was defective in photoinduction. Together, our findings reveal a direct link between histone modification and light signaling in Neurospora and contribute to the developing understanding of the molecular mechanisms operating in light-inducible gene activation. (literal)
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