http://www.cnr.it/ontology/cnr/individuo/prodotto/ID243509
The WD40-Repeat Proteins NFC101 and NFC102 Regulate Different Aspects of Maize Development through Chromatin Modification (Articolo in rivista)
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- Label
- The WD40-Repeat Proteins NFC101 and NFC102 Regulate Different Aspects of Maize Development through Chromatin Modification (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1105/tpc.112.107219 (literal)
- Alternative label
Iride Mascheretti, Raffaella Battaglia, Davide Mainieri, Andrea Altana,Massimiliano Lauria, and Vincenzo Rossi (2013)
The WD40-Repeat Proteins NFC101 and NFC102 Regulate Different Aspects of Maize Development through Chromatin Modification
in The Plant cell (Online)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Iride Mascheretti, Raffaella Battaglia, Davide Mainieri, Andrea Altana,Massimiliano Lauria, and Vincenzo Rossi (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.plantcell.org (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Consiglio per la Ricerca e la Sperimentazione in Agricoltura, Unità di Ricerca per la Maiscoltura, I-24126 Bergamo, Italy (literal)
- Titolo
- The WD40-Repeat Proteins NFC101 and NFC102 Regulate Different Aspects of Maize Development through Chromatin Modification (literal)
- Abstract
- The maize (Zea mays) nucleosome remodeling factor complex component101 (nfc101) and nfc102 are putative paralogs
encoding WD-repeat proteins with homology to plant and mammalian components of various chromatin modifying
complexes. In this study, we generated transgenic lines with simultaneous nfc101 and nfc102 downregulation and
analyzed phenotypic alterations, along with effects on RNA levels, the binding of NFC101/NFC102, and Rpd3-type histone
deacetylases (HDACs), and histone modifications at selected targets. Direct NFC101/NFC102 binding and negative
correlation with mRNA levels were observed for indeterminate1 (id1) and the florigen Zea mays CENTRORADIALIS8
(ZCN8), key activators of the floral transition. In addition, the abolition of NFC101/NFC102 association with repetitive
sequences of different transposable elements (TEs) resulted in tissue-specific upregulation of nonpolyadenylated RNAs
produced by these regions. All direct nfc101/nfc102 targets showed histone modification patterns linked to active chromatin
in nfc101/nfc102 downregulation lines. However, different mechanisms may be involved because NFC101/NFC102 proteins
mediate HDAC recruitment at id1 and TE repeats but not at ZCN8. These results, along with the pleiotropic effects observed in
nfc101/nfc102 downregulation lines, suggest that NFC101 and NFC102 are components of distinct chromatin modifying
complexes, which operate in different pathways and influence diverse aspects of maize development. (literal)
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