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Registros recuperados: 6
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Biochemical composition, tissue origin and functional properties of egg perivitellins from Pomacea canaliculata Biocell
Dreon,Marcos S.; Heras,Horacio; Pollero,Ricardo J..
Tipo: Info:eu-repo/semantics/article Palavras-chave: Apple snails; Lipoproteins; Glycoproteins; Carotenoproteins; Embryo development; Antioxidant compounds; Light-protecting compounds.
Ano: 2006 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452006000200013
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Glycoconjugates and polysaccharides of fungal cell wall and activation of immune system BJM
Pinto,M.R.; Barreto-Bergter,E.; Taborda,C.P..
The fate of organochlorine 14C-dicofol in activated sludge process was investigated. Results showed that the major part of radioactivity remained adsorbed on biological sludge. Consequently, its final disposal deserves special attention. The small amounts of dicofol, biotransformed or not, which remained in the treated effluent could contaminate receiving bodies.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycoproteins; Polysaccharides; Glycosphingolipids; Immune system; Fungi.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000200001
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Identification of glycoproteins in mucous cells of the gill epithelium of Colossoma macropomum after exposure to organophosphate Arq. Bras. Med. Vet. Zootec.
Moron,S.E.; Matos,P.R.; Ramos,A.T.; Gomes,M.G.T..
ABSTRACT The use of organophosphates has been recommended for fish, especially the trichlorfon to control parasites. Colossoma macropomum were exposed to trichlorfon during 96 hours and of total number of mucous cells decreased in the number of cells when compared to the control group. Glycoproteins acid, acid sulphated and neutral was identified in the gill epithelium. Neutra glycoprotein had a significant decrease between control and the sublethal concentration. Acid glycoprotein didn’t have any significant difference between the groups exposed to the trichlorfon, compared to the control group. Sulfated acidic glycoprotein in the group exposed to the trichlorfon was noticed a reduction in number of mucosal cells acidic sulphated. The differences between...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Epithelium; Glycoproteins; Organophosphate; Trichlorfon.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352018000300837
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Immunocytochemical and biochemical detection of alpha-L-fucosidase in Trypanosoma cruzi BJMBR
Miletti,L.C.; Almeida-de-Faria,M.; Colli,W.; Alves,M.J.M..
The aim of the present study was to demonstrate the presence of alpha-L-fucosidase in Trypanosoma cruzi. Immunocytochemical and biochemical techniques were used to localize and characterize a membrane-associated, neutral-pH-optimum, alpha-L-fucosidase from the parasite. Light and electron microscopy localized the alpha-L-fucosidase specifically on the surface of the parasite and on membranes in the posterior region of the epimastigote stage. Although much less intense, labeling was also detected on the surface of trypomastigotes. At least 50% of the alpha-L-fucosidase activity was associated with epimastigote membrane solubilized with 1 M NaCl or 1% Triton X-100, suggesting that alpha-L-fucosidase is peripherally associated with membranes. The enzyme from...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Trypanosoma cruzi; Trypanosomatids; Fucosidase; Fucose; Glycoproteins; Glycolipids.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000500006
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Response of mucous cells of the gills of traíra (Hoplias malabaricus) and jeju (Hoplerythrinus unitaeniatus) (Teleostei: Erythrinidae) to hypo- and hyper-osmotic ion stress Neotropical Ichthyology
Moron,Sandro Estevan; Andrade,Cássio Arilson de; Fernandes,Marisa Narciso.
The mucous cells (MC) of traíra, Hoplias malabaricus, and jeju, Hoplerythrinus unitaeniatus, two ecologically distinct erythrinid species, were analyzed in fish exposed to deionized (DW) and high ion concentration (NaCl and Ca2+) water (HIW) during 15 days to evaluate the MC responses to ion challenge. MCs are localized in the leading and trailing edge and, interlamellar region of the gill filament epithelium but, in H. unitaeniatus, they are also found in the breathing or lamellar epithelium. MC density is lower in H. malabaricus, the exclusively water-breathing fish, than in H. unitaeniatus, a facultative air-breathing fish. The transference to DW or HIW did not change the MC density and surface area, excepting in H. malabaricus, in the first day of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Epithelium; Mucus; Glycoproteins; Deionized water; Ion-rich water.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252009000300017
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The quality control of glycoprotein folding in the endoplasmic reticulum, a trip from trypanosomes to mammals BJMBR
Parodi,A.J..
The present review deals with the stages of synthesis and processing of asparagine-linked oligosaccharides occurring in the lumen of the endoplasmic reticulum and their relationship to the acquisition by glycoproteins of their proper tertiary structures. Special emphasis is placed on reactions taking place in trypanosomatid protozoa since their study has allowed the detection of the transient glucosylation of glycoproteins catalyzed by UDP-Glc:glycoprotein glucosyltransferase and glucosidase II. The former enzyme has the unique property of covalently tagging improperly folded conformations by catalyzing the formation of protein-linked Glc1Man7GlcNAc2, Glc1Man8GlcNac2 and Glc1Man9GlcNAc2 from the unglucosylated proteins. Glucosyltransferase is a soluble...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycoproteins; N-glycosylation; Folding; Endoplasmic reticulum; Glucosylation.
Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1998000500002
Registros recuperados: 6
Primeira ... 1 ... Última
 

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