1999
DOI: 10.3177/jnsv.45.393
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ADP-Ribosylation of Tubulin by Chicken NAD-Arginine ADP-Ribosyltransferase Suppresses Microtubule Formation.

Abstract: SummaryWe obtained evidence that tubulin and actin, two major cytoskeletal proteins, are preferentially ADP-ribosylated in the bovine brain cytosol by NAD-arginine ADP-ribosyltransferase purified from chicken polymorphonuclear leukocytes. ADP-ribosylation of tubulin al most completely blocked self assembly of the protein. The stoichiometry of ADP-ribose incorporation into unassembled and assembled tubulin was 6 and 2mol/mol of tubulin, respectively. These findings suggest that sites of ADP-ribosylation in the … Show more

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Cited by 5 publications
(4 citation statements)
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“…SIRT2, a predominantly cytoplasmic protein associated with microtubules and acting as a bona fide tubulin deacetylase (289), could be responsible for the arginine-specific mono-ADP-ribosylation of both alpha and beta chains of tubulin. Several studies provided evidence that both deacetylation and arginine-specific mono-ADP-ribosylation of tubulins are involved in depolymerization of the microtubules (260,289,351,403). The heterotrimeric GTP-binding proteins and small GTPases may represent substrates for the predominantly cytoplasmic members of the Pl-MART family ( Table 1).…”
mentioning
confidence: 99%
“…SIRT2, a predominantly cytoplasmic protein associated with microtubules and acting as a bona fide tubulin deacetylase (289), could be responsible for the arginine-specific mono-ADP-ribosylation of both alpha and beta chains of tubulin. Several studies provided evidence that both deacetylation and arginine-specific mono-ADP-ribosylation of tubulins are involved in depolymerization of the microtubules (260,289,351,403). The heterotrimeric GTP-binding proteins and small GTPases may represent substrates for the predominantly cytoplasmic members of the Pl-MART family ( Table 1).…”
mentioning
confidence: 99%
“…The tissue distribution also varies among species; Arts are found in muscle, heart, spleen, brain, Tcells and polymorphonuclear leucocytes [4][5][6][7][11][12][13]18,19]. The putative roles of ADP-ribosylation include functional changes via modification of many target proteins, including guaninenucleotide-binding protein, actin, integrin, fibronectin and some physiologically active peptides [9,10,[32][33][34][35][36][37][38][39]. There are at least two forms of Arts, i.e.…”
Section: Discussionmentioning
confidence: 99%
“…Subsequently endogenous mammalian mono (ADP-ribosyl) transferases were characterized as a family of enzymes that are related to bacterial toxins [4,5]. These enzymes include ecto-ADP-ribose transferases (ecto-ARTs) and a few intracellular enzymes which could catalysis mono-ADP-ribosylation but with almost undefined structure [6,7,8,9,10,11,12,13]. The ecto-ARTs include seven members, designated as ART1 through ART7.…”
Section: Introductionmentioning
confidence: 99%