Academic literature on the topic 'Proteases; Peptidases; enzymes'

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Journal articles on the topic "Proteases; Peptidases; enzymes"

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Mamo, Jermen, and Fassil Assefa. "The Role of Microbial Aspartic Protease Enzyme in Food and Beverage Industries." Journal of Food Quality 2018 (July 3, 2018): 1–15. http://dx.doi.org/10.1155/2018/7957269.

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Proteases represent one of the three largest groups of industrial enzymes and account for about 60% of the total global enzymes sale. According to the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology, proteases are classified in enzymes of class 3, the hydrolases, and the subclass 3.4, the peptide hydrolases or peptidase. Proteases are generally grouped into two main classes based on their site of action, that is, exopeptidases and endopeptidases. Protease has also been grouped into four classes based on their catalytic action: aspartic, cysteine, metallo
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Salvesen, Guy S., Gillian Murphy та Hideaki Nagase. "The trap hypothesis: α2 and protease inhibition". Biochemist 28, № 3 (2006): 46–48. http://dx.doi.org/10.1042/bio02803046.

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In the 1970s, the Strangeways Laboratory in Cambridge consisted of a small number of groups collectively focused on the mechanisms of pathological connective-tissue damage. One of these groups, headed by Alan Barrett, was breaking ground on the destruction of the protein components of the matrix and was therefore heavily involved in identifying and categorizing newly emerging types of tissue-degrading enzymes. These enzymes, which Alan Barrett urges scientists to call peptidases, are also commonly called proteases or proteinases*. In the early 1970s, there were about 100 described human peptid
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Wolke, Carmen, Alexander Teumer, Karlhans Endlich, et al. "Serum protease activity in chronic kidney disease patients: The GANI_MED renal cohort." Experimental Biology and Medicine 242, no. 5 (2016): 554–63. http://dx.doi.org/10.1177/1535370216684040.

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Serum or plasma proteases have been associated with various diseases including cancer, inflammation, or reno-cardiovascular diseases. We aimed to investigate whether the enzymatic activities of serum proteases are associated with the estimated glomerular filtration rate (eGFR) in patients with different stages of chronic kidney disease (CKD). Our study population comprised 268 participants of the “Greifswald Approach to Individualized Medicine” (GANI_MED) cohort. Enzymatic activity of aminopeptidase A, aminopeptidase B, alanyl (membrane) aminopeptidase, insulin-regulated aminopeptidase, puromy
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SHAN, Lu, Thomas MARTI, Ludvig M. SOLLID, Gary M. GRAY, and Chaitan KHOSLA. "Comparative biochemical analysis of three bacterial prolyl endopeptidases: implications for coeliac sprue." Biochemical Journal 383, no. 2 (2004): 311–18. http://dx.doi.org/10.1042/bj20040907.

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Prolyl endopeptidases have potential for treating coeliac sprue, a disease of the intestine caused by proteolytically resistant peptides from proline-rich prolamins of wheat, barley and rye. We compared the properties of three similar bacterial prolyl endopeptidases, including the known enzymes from Flavobacterium meningosepticum (FM) and Sphingomonas capsulate (SC) and a novel enzyme from Myxococcus xanthus (MX). These enzymes were interrogated with reference chromogenic substrates, as well as two related gluten peptides (PQPQLPYPQPQLP and LQLQPFPQPQLPYPQPQLPYPQPQLPYPQPQPF), believed to play
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Marokházi, Judit, Katalin Lengyel, Szilvia Pekár, et al. "Comparison of Proteolytic Activities Produced by Entomopathogenic Photorhabdus Bacteria: Strain- and Phase-Dependent Heterogeneity in Composition and Activity of Four Enzymes." Applied and Environmental Microbiology 70, no. 12 (2004): 7311–20. http://dx.doi.org/10.1128/aem.70.12.7311-7320.2004.

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ABSTRACT Twenty strains (including eight phase variant pairs) of nematode-symbiotic and insect-pathogenic Photorhabdus bacteria were examined for the production of proteolytic enzymes by using a combination of several methods, including gelatin liquefaction, zymography coupled to native and sodium dodecyl sulfate-polyacrylamide gel electrophoresis, and activity measurement with two chromogen substrate types. Four protease activities (∼74, ∼55, ∼54, and ∼37 kDa) could be separated. The N-terminal sequences of three of the proteases were determined, and a comparison with sequences in databases a
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Kryukov, V. S., S. V. Zinoviev, and R. V. Nekrasov. "Proteases in the diet of monogastric animals." Agrarian science 344, no. 1 (2021): 30–38. http://dx.doi.org/10.32634/0869-8155-2021-344-1-30-38.

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There are many proteases, and about 2% of the human genome is involved in the regulation of their formation. The share of proteases involved in digestion accounts for only a small part. Despite this, the mechanisms of action of digestive proteases are less studied than carbohydrases and lipases. The incorporation of exogenous proteases into young animal feeds is often accompanied by improved utilization of protein and other nutrients. Exogenous proteases degrade inhibitors of the endogenous protease and lectins in feed. Alkaline proteases are of interest due to their broader substrate specific
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Massaoud, Mustafa K., Judit Marokh�zi, Andr�s Fodor, and Istv�n Venekei. "Proteolytic Enzyme Production by Strains of the Insect Pathogen Xenorhabdus and Characterization of an Early-Log-Phase-Secreted Protease as a Potential Virulence Factor." Applied and Environmental Microbiology 76, no. 20 (2010): 6901–9. http://dx.doi.org/10.1128/aem.01567-10.

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ABSTRACT As a comparison to a similar study on Photorhabdus strains, 15 Xenorhabdus bacterial strains and secondary phenotypic variants of two strains were screened for proteolytic activity by five detection methods. Although the number and intensity of proteolytic activities were different, every strain was positive for proteolytic activity by several tests. Zymography following native PAGE detected two groups of activities with different substrate affinities and a higher and lower electrophoretic mobility that were distinguished as activity 1 and 2, respectively. Zymography following SDS-PAG
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Suido, H., T. Eguchi, T. Tanaka, and M. Nakamura. "Identification of Periodontopathic Bacteria Based Upon their Peptidase Activities." Advances in Dental Research 2, no. 2 (1988): 304–9. http://dx.doi.org/10.1177/08959374880020021701.

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Black-pigmented Bacteroides (BPB) and spirochetes are associated with some forms of periodontal diseases. The enzymes produced by these bacteria may participate in the destruction of gingival and periodontal tissues. Certain proteases and peptidases are unique to Bacteroides gingivalis and Treponema denticola. Our purpose was to study the peptidases of periodontopathogens and to evaluate the use of unique peptidases for detection and identification of these bacteria. Bacteria used were BPB, Treponema, Fusobacterium, Capnocytophaga, Actinobacillus (Haemophilus), and Eikenella species. Twenty-fi
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Sriranganadane, Dev, Utz Reichard, Karine Salamin, et al. "Secreted glutamic protease rescues aspartic protease Pep deficiency in Aspergillus fumigatus during growth in acidic protein medium." Microbiology 157, no. 5 (2011): 1541–50. http://dx.doi.org/10.1099/mic.0.048603-0.

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In an acidic protein medium Aspergillus fumigatus secretes an aspartic endoprotease (Pep) as well as tripeptidyl-peptidases, a prolyl-peptidase and carboxypeptidases. In addition, LC-MS/MS revealed a novel glutamic protease, AfuGprA, homologous to Aspergillus niger aspergillopepsin II. The importance of AfuGprA in protein digestion was evaluated by deletion of its encoding gene in A. fumigatus wild-type D141 and in a pepΔ mutant. Either A. fumigatus Pep or AfuGprA was shown to be necessary for fungal growth in protein medium at low pH. Exoproteolytic activity is therefore not sufficient for co
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Heywood, Astra, and Iain L. Lamont. "Cell envelope proteases and peptidases of Pseudomonas aeruginosa: multiple roles, multiple mechanisms." FEMS Microbiology Reviews 44, no. 6 (2020): 857–73. http://dx.doi.org/10.1093/femsre/fuaa036.

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ABSTRACT Pseudomonas aeruginosa is a Gram-negative bacterium that is commonly isolated from damp environments. It is also a major opportunistic pathogen, causing a wide range of problematic infections. The cell envelope of P. aeruginosa, comprising the cytoplasmic membrane, periplasmic space, peptidoglycan layer and outer membrane, is critical to the bacteria's ability to adapt and thrive in a wide range of environments. Over 40 proteases and peptidases are located in the P. aeruginosa cell envelope. These enzymes play many crucial roles. They are required for protein secretion out of the cyto
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Dissertations / Theses on the topic "Proteases; Peptidases; enzymes"

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Schroeder, Ewald. "Structural studies of #mu#-calpain, a novel calpain substrate, and a papain-leupeptin complex." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386677.

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Guillemin, Sandrine. "Extraction aqueuse d'huile de colza assistée par hydrolyse enzymatique : optimisation de la réaction, caractérisation de l'émulsion et étude de procédés de déstabilisation." Thesis, Vandoeuvre-les-Nancy, INPL, 2006. http://www.theses.fr/2006INPL073N/document.

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En réponse aux attentes actuelles des consommateurs pour des produits de haute qualité nutritionnelle et environnementale, et face aux impératifs industriels conduisant à minimiser les risques et l’impact environnemental lors de l’extraction à l'hexane de l’huile de la graine de colza, l’étude de l’extraction aqueuse avec assistance enzymatique de cette huile a été reprise avec 2 objectifs principaux : déterminer les enzymes et mélanges d'enzymes adaptés à la meilleure déstructuration du tissu adipeux végétal, et d'autre part étudier les propriétés et la déstabilisation de l'émulsion formée. D
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Duffeck, Carlos Eduardo. "Prospecção de queratinases microbianas : produção e caracterização bioquímica funcional /." São José do Rio Preto, 2020. http://hdl.handle.net/11449/192738.

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Orientador: Ronivaldo Rodrigues da Silva<br>Resumo: Atualmente, a avicultura é um dos setores de grande impacto na economia brasileira. Nos últimos anos, tem sido observado um aumento na produção de frangos de corte, fazendo com que este segmento da indústria gere toneladas de queratina com o descarte de penas. Isso aponta para a necessidade de degradar este material que emerge como um problema ambiental. Neste cenário, as enzimas queratinolíticas têm despertado interesse biotecnológico devido a peculiar capacidade para a degradação de queratina e a possibilidade de aplicar o hidrolisado proté
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Sells, Earlphia. "Role of Tissue Kallikrein-Related Peptidase 6 in Colon Cancer Invasion." Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/605219.

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Growing evidence indicates that serine proteases known as kallikreins are associated with malignancy and may have potential diagnostic/prognostic applications in cancer. Kallikreins are the largest group of serine proteases. Kallikrein enzymes are often involved in proteolytic cascades through their function in degradation of extracellular matrix proteins and promotion of angiogenesis. Kallikrein 6 (KLK6) is a member of the family of fifteen highly conserved secreted trypsin- or chemotrypsin-like serine proteases. Over-expression of KLK6 has been observed in different pathophysiological states
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Frey, Jonathan Packard. "Peptidase and protease enzymes of dairy lactobacilli and barley malt." 1985. http://catalog.hathitrust.org/api/volumes/oclc/13725193.html.

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Thesis (Ph. D.)--University of Wisconsin--Madison, 1985.<br>Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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Books on the topic "Proteases; Peptidases; enzymes"

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Glaxo-UCLA Colloquium on Cellular Proteases and Control Mechanisms (1988 Lake Tahoe, Calif.). Cellular proteases and control mechanisms: Proceedings of a Glaxo-UCLA Colloquium on Cellular Proteases and Control Mechanisms, held at Lake Tahoe, California, February 21-26, 1988. Edited by Hugli T. E. Liss, 1989.

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Cellular proteases and control mechanisms: Proceedings of a Glaxo-UCLA Colloquium on Cellular Proteases and Control Mechanisms, held at Lake Tahoe, California, ... symposia on molecular and cellular biology). Liss, 1989.

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(Editor), Uwe Lendeckel, and Nigel M. Hooper (Editor), eds. Proteases in Tissue Remodelling of Lung and Heart (Proteases in Biology and Disease). Springer, 2003.

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Proteases in tissue remodeling of lung and heart. Kluwer Academic/Plenum Publishers, 2004.

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Uwe, Lendeckel, and Hooper N. M, eds. Proteases in tissue remodelling of lung and heart. Kluwer Academic/Plenum Publishers, 2003.

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J, Beynon R., and Bond Judith S, eds. Proteolytic enzymes: A practical approach. 2nd ed. Oxford University Press, 2001.

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J, Beynon R., and Bond Judith S, eds. Proteolytic enzymes: A practical approach. 2nd ed. Oxford University Press, 2001.

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(Editor), John N. Abelson, Melvin I. Simon (Editor), and Alan J. Barrett (Editor), eds. Proteolytic Enzymes: Serine and Cysteine Peptidases, Volume 244 (Methods in Enzymology). Academic Press, 1994.

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Proteolytic Enzymes: Serine and Cysteine Peptidases, Volume 244 (Methods in Enzymology). Academic Press, 1994.

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Klaus, von der Helm (Editor), Bruce D. Korant (Editor), and John C. Cheronis (Editor), eds. Proteases as Targets for Therapy (HANDBOOK OF EXPERIMENTAL PHARMACOLOGY). Springer, 2000.

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Book chapters on the topic "Proteases; Peptidases; enzymes"

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Peng Loh, Y., and Niamh X. Cawley. "[9] Processing enzymes of pepsin family: Yeast aspartic protease 3 and pro-opiomelanocortin converting enzyme." In Proteolytic Enzymes: Aspartic and Metallo Peptidases. Elsevier, 1995. http://dx.doi.org/10.1016/0076-6879(95)48011-0.

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Pfirrmann, Thorsten, and Per O. Ljungdahl. "Ssy5 Peptidase: A Chymotrypsin-Like Signaling Protease in Yeast." In Handbook of Proteolytic Enzymes. Elsevier, 2013. http://dx.doi.org/10.1016/b978-0-12-382219-2.00685-2.

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