• Improvement of a lipolytic activity assay protocol to

    The lipase production by B. pumilus (Laachari et al., et al., 2014) was carried out by incubating the culture at 37°C on the rotary shaker at 200 rpm.

  • Biochemical study of lipases from Bacillus subtilis

    Biochemical study of lipases from Bacillus subtilis Faouzi Laachari 1,Fatimazahra El Bergadi 1,2,Wifak Bahafid 1,2,Adel Sayari 3,Soumya Elabed 1,2,Iraqui Mohammed 1,2,Saad Koraichi

  • Society of African Journal Editors : African Journal of

    The main objective of this work was to identify novel lipases of industrial interest. In this paper, Aspergillus flavus lipase (AFL) was isolated from the traditional tannery of Fez city in Morocco; it kept its stability even in the presence of high concentrations of detergent from 0 to 10 mM sodium deoxycholate (NaDC). Bile salts showed no inhibitory effect on the lipolytic activity, whereas

  • Biochemical characterization of a new thermostable lipase

    Lipase activity determination The lipase activity was measured titrimetrically at pH 8.2 and 45°C with a pH-stat under standard conditions using tributyrin (0.25 ml) in 30 ml of 2.5 mM Tris–HCl pH 8.2, 2 mM CaCl 2, 2 mM NaDC or olive oil emulsion (10 ml in Turk J Biochem 2015; 40(1):8-14 9 Laachari

  • Purification and Characterization of a Novel Thermostable

    Purification and Characterization of a Novel Thermostable Lipase from Aspergillus Flavus. Faouzi Laachari. Abstract. This newly isolated lipase can be considered as a good candidature in synthesis reactions such as esterification, transesterification and interesterification which are used in industrial and biotechnological applications.

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  • Purification and Characterization of a Novel Thermostable

    Purification and Characterization of a Novel Thermostable Lipase from Aspergillus Flavus This newly isolated lipase can be considered as a good candidature in synthesis reactions such as esterification, transesterification and interesterification which are used in industrial and biotechnological applications.

  • Cellulolytic potential and filter paper activity of fungi

    Oct 18, 2013· Abstract. The content of libraries in Fez is an important historical testimony and a treasure of knowledge of several civilizations. Unfortunately, this cultural heritage has suffered deterioration caused by many factors, including microbial deterioration specifically by cellulolytic fungi.

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  • Scilit Article Higher tolerance of a novel lipase from

    The main objective of this work was to identify novel lipases of industrial interest. In this paper, Aspergillus flavus lipase (AFL) was isolated from the traditional tannery of Fez city in Morocco; it kept its stability even in the presence of high concentrations of detergent from 0 to 10 mM sodium deoxycholate (NaDC). Bile salts showed no inhibitory effect on the lipolytic activity, whereas

  • Cited by: 1
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  • Purification and Characterization of a Novel Thermostable

    Purification and Characterization of a Novel Thermostable Lipase from Aspergillus Flavus This newly isolated lipase can be considered as a good candidature in synthesis reactions such as esterification, transesterification and interesterification which are used in industrial and biotechnological applications.

  • African Journal of Biochemistry Research articles

    In this paper, Aspergillus flavus lipase (AFL) was isolated from the traditional tannery of Fez city in Morocco; it kept its stability even in the presence of high concentrations of detergent from 0 to 10 mM sodium deoxycholate (NaDC). Bile salts showed no inhibitory effect on the lipolytic activity, whereas the calcium salts showed a.

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  • The Lipase from Staphylococcus aureus Simons 1996

    The Lipase from Staphylococcus aureus. 3 Laachari Faouzi, El Bergad Fatimazahra, Sadiki Moulay, Importance of the Ca2+-binding sites in the N-catalytic domain of a family I.3 lipase for activity and stability, Protein Engineering Design and Selection, 2008, 21, 12, 737CrossRef;

  • Published in: FEBS Journal · 1996Authors: Janwillem F A Simons · Hendrik Adams · Ruud C Cox · Niek Dekker · Friedrich GotzAffiliation: Utrecht University · University of TubingenAbout: Escherichia coli · Staphylococcus aureus
  • Bacterial lipases: A review on purification and

    1. Introduction. Significant rising concern in the field of enzymology on account of wider applications of enzymes in various chemical processes has been increased since a few decades (Pliego et al., 2015).Due to versatile applications, lipases are the third most abundantly used enzymes after proteases and amylases (carbohydrases) (Ülker et al., 2011).

  • Cellulolytic potential and filter paper activity of fungi

    A total of 31 filamentous fungi were isolated from deteriorated paper of ancient books. Nine of these isolates were screened positive for the ability to degrade carboxymethylcellulose (CMC). The ability of the nine isolates to produce filter paper activity (FPUase) in liquid media as well as the effect of temperature and pH were also studied.

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    Plant Pathology and Microbiology Laboratory, University Department of Botany, L.N. Mithila University, Darbhanga, India. Search for more papers by this author

  • Identification of the histidine and aspartic acid residues

    A lipase from Pseudomonas sp. MIS38 (PML), which is a member of the lipase family I.3, is composed of 617 amino acid residues and acts in a monomeric form 14. The enzyme showed both lipase and esterase activities with relatively broad substrate specificities. It was active only in the form of holo‐enzyme, in which at least 12 Ca 2+ ions bound.

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    In this work, the effect of three Thymus vulgaris extract fractions on physicochemical properties of cedar wood was examined. Indeed, hydrophobicity, surface tension components ΔGiwi, electron donor (γ−) and electron acceptor (γ+) parameters of untreated and treated

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  • Endoglucanase production by paper‐degrading mycoflora

    Plant Pathology and Microbiology Laboratory, University Department of Botany, L.N. Mithila University, Darbhanga, India. Search for more papers by this author

  • Identification of the histidine and aspartic acid residues

    A lipase from Pseudomonas sp. MIS38 (PML), which is a member of the lipase family I.3, is composed of 617 amino acid residues and acts in a monomeric form 14. The enzyme showed both lipase and esterase activities with relatively broad substrate specificities. It was active only in the form of holo‐enzyme, in which at least 12 Ca 2+ ions bound.

  • The impact of Thymus vulgaris extractives on cedar wood

    In this work, the effect of three Thymus vulgaris extract fractions on physicochemical properties of cedar wood was examined. Indeed, hydrophobicity, surface tension components ΔGiwi, electron donor (γ−) and electron acceptor (γ+) parameters of untreated and treated

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  • (PDF) Cellulolytic potential and filter paper activity of

    Cellulolytic potential and filter paper activity of fungi isolated from ancients manuscripts from the Medina of Fez. Annals of Microbiology, 2013. Saad Ibnsouda. Download with Google Download with Facebook or download with email.

  • faouzi laachari lipase activity

    faouzi laachari lipase activity . Scilit Journal articles- faouzi laachari lipase activity ,Laachari Faouzi, El Bergad Fatimazahra, Sadiki Moulay, Sayari Adel, whereas the calcium salts showed a stimulating action on the lipase activity.Cellulolytic potential and filter paper activity of fungiSpringerLink. Search.

  • Fish processing wastes for microbial enzyme production: a

    Numerous investigators have looked for ways of producing microbial lipases using low cost media. A variety of fish processing by-products contain growth factors offering good potential as culture media, as shown by the high level of lipase activity produced by some microbial strains (Table 4).

  • Isolation, Purification, and Characterization of a Cold

    Aspergillus nidulans WG312 strain secreted lipase activity when cultured in liquid media with olive oil as carbon source. Highest lipase productivity was found when the mycelium was grown at 30 °C in a rich medium. The new enzyme was purified to homogeneity from the extracellular culture of A. nidulans by phenyl-Sepharose chromatography and affinity binding on linolenic acid−agarose.

  • مقاله نشریه: Expression and Secretion of Cyan Fluorescent

    چکیده: Background: Improved cyan fluorescent protein (ICFP) is a monochromic، green fluorescent protein (GFP) derivative produced by Aequorea macrodactyla in a process similar to GFP.This protein has strong absorption spectra at wavelengths 426-446 nm. ICFP can be used in cell، organelle or intracellular protein labeling، investigating the protein-protein interactions as well as

  • American Institute of Chemical Engineers Journals

    Oct 31, 2017· Lipase activity in plant seeds increases during germination as the triacylglycerols are converted to soluble sugars by the action of lipase. 6 As given in Table 3, most of these lipases find their application in hydrolysis of vegetable oils, 74 processing of seeds and oils, 75, 76 production of SLs, 77 production of beverages, 78 synthesis of

  • Purification and Biochemical Characterization of an Acid

    Apr 10, 2010· Control experiments were performed under the same experimental conditions, with dromedary and turkey pancreatic lipases and showed a positive interfacial activation phenomenon. Sodium deoxycholate (NaDC) has an inhibitory effect on the lipase activity. The pure enzyme lost 40% of its activity in presence of 8 mM NaDC.