Ribonucleases and angiogenins from fish. (Articolo in rivista)

Type
Label
  • Ribonucleases and angiogenins from fish. (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1074/jbc.M605505200 (literal)
Alternative label
  • Pizzo E, Buonanno P, Di Maro A, Ponticelli S, De Falco S, Quarto N, Cubellis MV, D'Alessio G. (2006)
    Ribonucleases and angiogenins from fish.
    in The Journal of biological chemistry (Print); American Society Of Biochemistry And Molecular Biology Inc. (ASBMB), Rockville (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pizzo E, Buonanno P, Di Maro A, Ponticelli S, De Falco S, Quarto N, Cubellis MV, D'Alessio G. (literal)
Pagina inizio
  • 27454 (literal)
Pagina fine
  • 27460 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.jbc.org/content/281/37/27454.long (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 281 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 37 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Univ Naples Federico II, Dept Struct & Funct Biol, I-80126 Naples, Italy 2. Univ Naples 2, Dept Life Sci, I-81100 Caserta, Italy 3. CNR, Inst Genet & Biophys A Buzzati Traverso, I-80131 Naples, Italy (literal)
Titolo
  • Ribonucleases and angiogenins from fish. (literal)
Abstract
  • For the first time fish RNases have been isolated and characterized. Their functional and structural properties indicate that they belong to the RNase A superfamily (or tetrapod RNase superfamily), now more appropriately described as the vertebrate RNase superfamily. Our findings suggest why previously repeated efforts to isolate RNases from fish tissues have met with no success; fish RNases have a very low ribonucleolytic activity, and their genes have a low sequence identity with those of mammalian RNases. The investigated RNases are from the bony fish Danio rerio (or zebrafish). Their cDNAs have been cloned and expressed, and the three recombinant proteins have been purified to homogeneity. Their characterization has revealed that they have indeed a very low RNA-degrading activity, when compared with that of RNase A, the superfamily prototype, but comparable with that of mammalian angiogenins; that two of them have angiogenic activity that is inhibited by the cytosolic RNase inhibitor. These data and a phylogenetic analysis indicate that angiogenic fish RNases are the earliest diverging members of the vertebrate superfamily, suggesting that ribonucleases with angiogenic activity were the ancestors of all ribonucleases in the superfamily. They later evolved into both mammalian angiogenins and, through a successful phylogenesis, RNases endowed with digestive features or with diverse bioactivities. (literal)
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