Extensive maternal DNA hypomethylation in the endosperm of Zea mays. (Articolo in rivista)

Type
Label
  • Extensive maternal DNA hypomethylation in the endosperm of Zea mays. (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1105/tpc.017780 (literal)
Alternative label
  • Lauria M (a); Rupe M (b); Guo M (b); Kranz E (c); Pirona R (d); Viotti A (e); Lund G (a). (2004)
    Extensive maternal DNA hypomethylation in the endosperm of Zea mays.
    in The Plant cell; American Society Of Plant Biologists, Rockville (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lauria M (a); Rupe M (b); Guo M (b); Kranz E (c); Pirona R (d); Viotti A (e); Lund G (a). (literal)
Pagina inizio
  • 510 (literal)
Pagina fine
  • 522 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 16 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • A research activity inserted in the new expanding field, the epigenomic and epigenetic information, related to the neo-Lamarckian medicine and to the effects of the environment in establishing trait inheritance and behaviour. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 13 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 2 (literal)
Note
  • Scopus (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a. Plant Biochemistry Laboratory, Department of Plant Biology, Roy. Vet. and Agric. University, DK-1871 Frederiksberg C, Denmark b. Pioneer Hi-Bred International, Johnston, IA 50131-0552, United States c. Institut fur Allgemeine Botanik, Angew. Molekularbiologie der Pfl. II, Universität Hamburg, 22609 Hamburg, Germany d. Ist. Sperim. per la Cerealicoltura, Sezione di Bergamo, 24126 Bergamo, Italy e. Consiglio Nazionale delle Ricerche, Ist. Biol. e Biotecnologia Agraria, 20133 Milan, Italy (literal)
Titolo
  • Extensive maternal DNA hypomethylation in the endosperm of Zea mays. (literal)
Abstract
  • A PCR-based genomic scan has been undertaken to estimate the extent and ratio of maternally versus paternally methylated DNA regions in endosperm, embryo, and leaf of Zea mays (maize). Analysis of several inbred lines and their reciprocal crosses identified a large number of conserved, differentially methylated DNA regions (DMRs) that were specific to the endosperm. DMRs were hypomethylated at specific methylation-sensitive restriction sites upon maternal transmission, whereas upon paternal transmission, the methylation levels were similar to those observed in embryo and leaf. Maternal hypomethylation was extensive and offers a likely explanation for the 13% reduction in methyl-cytosine content of the endosperm compared with leaf tissue. DMRs showed identity to expressed genic regions, were observed early after fertilization, and maintained at a later stage of endosperm development. The implications of extensive maternal hypomethylation with respect to endosperm development and epigenetic reprogramming will be discussed. (literal)
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