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Registros recuperados: 5
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Brewer's spent grain and corn steep liquor as alternative culture medium substrates for proteinase production by Streptomyces malaysiensis AMT-3 BJM
Nascimento,Rodrigo Pires do; Alves Junior,Nelson; Coelho,Rosalie Reed Rodrigues.
Brewer's spent grain and corn steep liquor or yeast extract were used as the sole organic forms for proteinase production by Streptomyces malaysiensis in submerged fermentation. The influence of the C and N concentrations, as well as the incubation periods, were assessed. Eight proteolytic bands were detected through gelatin-gel-electrophoresis in the various extracts obtained from the different media and after different incubation periods, with apparent molecular masses of 20, 35, 43, 50, 70, 100, 116 and 212 kDa. The results obtained suggest an opportunity for exploring this alternative strategy for proteinases production by actinomycetes, using BSG and CSL as economically feasible substrates.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Streptomyces malaysiensis; Brewer's spent grains; Corn steep liquor; Proteinases; Submerged fermentation.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000400020
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Detection and analysis of C1p protease mRNA in rice using RT-PCR and northern hybridization International Rice Research Institute
Chaudhary, Priyanka.
xii, 76 l. : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Proteinases; Reverse transcription polymerase chain reaction; Rice; Plant genetics; Messenger RNA; Leaves; Enzymes.
Ano: 1996 URL: http://hdl.handle.net/123456789/622
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In vitro digestibility of globulins from sapucaia (Lecythis pisonis Camb.) nuts by mammalian digestive proteinases Ciênc. Tecnol. Aliment.
Denadai,Sandra Maria Silveira; Hiane,Priscila Aiko; Marangoni,Sergio; Baldasso,Paulo Aparecido; Miguel,Ana Maria Rauen de Oliveira; Macedo,Maria Lígia Rodrigues.
Sapucaia (Lecythis pisonis Camb.) raw nuts collected from Brazil were analyzed to determine the proximate composition, amino acid profile of protein fractions, in vitro protein digestibility and antinutritional factors in order to evaluate their potential as a protein alimentary complement. The nuts contained adequate amounts of essential amino acids, fatty acids and minerals. In the present study, no hemagglutinating or inhibitory activities were observed in any of the samples investigated, indicating low or non-detectable levels of proteinase inhibitors or lectins in the samples. In vitro digestibility of in natura and heated nut globulins by mammalian digestive proteinases was carried out using trypsin + chymotrypsin + peptidase, with resulting mean...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Protein digestibility; Antinutritional factors; Globulins; Proteinases; Lecithys pisonis.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612007000300018
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Isolated biomolecules of pharmacological interest in hemostasis from Cerastes cerastes venom J. Venom. Anim. Toxins incl. Trop. Dis.
Chérifi,Fatah; Laraba-Djebari,Fatima.
Biomolecules from Cerastes cerastes venom have been purified and characterized. Two phospholipases isolated from Cerastes cerastes venom share 51% of homology. CC2-PLA2 exhibits antiplatelet activity that blocks coagulation. CCSV-MPase, a non-hemorrhagic Zn2+-metalloproteinase, significantly reduced the plasmatic fibrinogen level and hydrolyzes only its Bβ chain. Serine proteinases such as RP34, afaâcytin and CC3-SPase hydrolyze the fibrinogen and are respectively α, αβ and αβ fibrinogenases. In deficient human plasma, afaâcytin replaces the missing factors VIII and IX, and activates purified human factor X into factor Xa. It releases serotonin from platelets and directly aggregates human (but not rabbit) blood platelets. RP34 proteinase also had no effect...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cerastes cerastes venom; Proteinases; Phospholipases A2; Platelets; Blood-clotting; Hemostasis.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992013000100201
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Proteinase activity regulation by glycosaminoglycans BJMBR
Tersariol,I.L.S.; Pimenta,D.C.; Chagas,J.R.; Almeida,P.C..
There are few reports concerning the biological role and the mechanisms of interaction between proteinases and carbohydrates other than those involved in clotting. It has been shown that the interplay of enzymes and glycosaminoglycans is able to modulate the activity of different proteases and also to affect their structures. From the large number of proteases belonging to the well-known protease families and also the variety of carbohydrates described as widely distributed, only few events have been analyzed more deeply. The term "family" is used to describe a group of proteases in which every member shows an evolutionary relationship to at least one other protease. This relationship may be evident throughout the entire sequence, or at least in that part...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Proteinases; Heparin binding; Glycosaminoglycan; Macromolecules.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2002000200001
Registros recuperados: 5
Primeira ... 1 ... Última
 

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