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  • 1
    Electronic Resource
    Electronic Resource
    Characterization of Isoflavones in Membrane-processed Soy Protein Concentrate (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 68 (2003), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : Aqueous soy flour solutions (5% w/w) were treated for 3 h at 45 to 50 °C with Crystalzyme®, without enzyme at 45 to 50 °C, or blanched at 80 °C. Solutions were ultra- and dia-filtered to produce membrane soy concentrates (MSC). Total isoflavones of MSCs were 3.02 mg/g, 3.12 mg/g, or 3.42 mg/g, respectively, on a dry weight basis. Membrane processing contributed to approximately 18, 15, or 8% decreases, respectively, in total isoflavones of MSCs compared with soy flour (3.71mg/g). This represents at least an 82% recovery. There was no significant difference in total isoflavone content in any MSC, however the profile of isoflavones as glucosides or aglycones changed with treatment conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb14172.x
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  • 2
    Electronic Resource
    Electronic Resource
    Milk Protein Analysis Using a Micro Fabricated Sieve: A Promising Possibility (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 66 (2001), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : In cheese making, proteins present in the micellar phase, i.e., α, β, κ, γ casein and their variants, determine the yield and properties of the final product (Walsh and others 1995). The current milk prices are based on solid components, that is, fat, total protein and other solids. However, the cheese yields are extremely sensitive to variations in protein sub-components. Thus, total protein content, although a simple measure of yield, is not the most accurate one. In the future, the food industry might require simple tools to analyze protein components in a given sample of milk. Two features of such a tool, portability and accuracy, would be invaluable. In this article, a protocol for design of a micro-scale sieve for the separation of proteins is conceived.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2001.tb16113.x
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  • 3
    Electronic Resource
    Electronic Resource
    Struggling with the Meaning(s) and Measures of “Success” (2000)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 38 (2000), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.2000.tb02696.x
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  • 4
    Electronic Resource
    Electronic Resource
    Characterization of Soy Protein Concentrate Produced by Membrane Ultrafiltration (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The functionality of membrane processed soy concentrate was very similar to soy flour in terms of solubility and water hydration capacity. The high emulsifying activity index of soy flour is believed to be reflective of its higher solubility, while surface hydrophobicity is believed to be responsible for an equally high emulsifying activity index in acid precipitated soy isolate. The proteins of soy flour and membrane soy concentrate seem to have most of their hydrophobic residues buried in the interior, while they are exposed in acid precipitated soy isolate. Heating resulted in a decrease in solubility but improved the hydration capacity and emulsifying activity of both soy flour and membrane soy concentrate. The essential amino acid profile of concentrate was comparable to current commercial isolates manufactured by acid precipitation. The majority of the polypeptides present in soy flour were observed to be present in the concentrate. The membrane soy concentrate was determined to have the least soybean aroma when compared to both soy flour and acid precipitated soy isolate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2002.tb10299.x
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  • 5
    Electronic Resource
    Electronic Resource
    Food Engineering and physical Properties (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 66 (2001), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Coverage of original research on quantitative aspects of unit operations associated with food preservation/processing and food waste recovery, with emphasis on systems design and analysis, modeling, simulation, optimization, physical properties measurement and instrumentation, thermodynamic relationships, sensors and automation, and materials science, including surface properties and interactions, rheology, mass transport properties, water activity, and glass transitions
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2001.tb16124.x
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  • 6
    Electronic Resource
    Electronic Resource
    The regulatory elements of the Mycobacterium tuberculosis gene Rv3881c function efficiently in Escherichia coli (2003)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 218 (2003), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: We report efficient expression of the Mycobacterium tuberculosis gene Rv3881c in Escherichia coli from its M. tuberculosis promoter, attributable to an E. coli consensus Pribnow box and ribosome binding site. The N-terminal sequence of the recombinant E. coli-generated protein was identical to the predicted open reading frame of Rv3881c and transcription of the Rv3881c gene initiated at the same nucleotide position in both bacteria. We demonstrate the utility of this promoter for rapid analysis of expression in E. coli of heterologous gene constructs, for subsequent expression from the genomes of slow-growing mycobacteria such as Mycobacterium bovis-BCG. M. tuberculosis Rv3881c homologues were present in other pathogenic mycobacteria such as M. bovis-BCG, Mycobacterium szulgai and Mycobacterium kansasii.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0378-1097(02)01185-0
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  • 7
    Electronic Resource
    Electronic Resource
    Development of a novel quadruple auxotrophic host transformation system by argB gene disruption using adeA gene and exploiting adenine auxotrophy in Aspergillus oryzae (2004)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 239 (2004), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: We previously designed a triple auxotrophic host-vector system in Aspergillus oryzae by isolating red-colored adenine auxotrophic mutants upon UV mutagenesis of a double auxotrophic host (niaD−sC−). In the present study an effort to exploit this system and construct a novel quadruple auxotrophic host was made by disrupting the argB gene involved in arginine biosynthesis. The argB gene-disruption cassette was generated by fusion PCR, which required only two steps of PCR to insert the selectable marker, adeA, into the target argB gene. The chimeric DNA fragment was transformed into the triple auxotrophic strain (niaD−sC−adeA−) and the argB disruptants were obtained with a high rate of efficiency (approximately 40%). The argB disruptants were characterized by normal colony color and reversal of arginine auxotrophy by introduction of the wild-type argB gene. Quadruple auxotrophic strains (niaD−sC−ΔargB adeA− or niaD−sC−ΔargB adeB−) were subsequently isolated upon UV mutagenesis of the triple auxotrophic strain (niaD−sC−ΔargB) followed by screening of red-colored colonies for adenine auxotrophy. The results obtained showed that the adeA gene served as an efficient selection marker in developing a novel host-vector system with quadruple auxotrophy in A. oryzae, thus providing a powerful tool to breed multiple auxotrophic mutants from a deuteromycete wherein sexual crossing is impossible.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/j.femsle.2004.08.025
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  • 8
    Electronic Resource
    Electronic Resource
    Cloning and sequence analysis of cnaA gene encoding the catalytic subunit of calcineurin from Aspergillus oryzae (2001)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 204 (2001), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Calcineurin has been implicated in ion-homeostasis, stress adaptation in yeast and for hyphal growth in filamentous fungi. Genomic DNA and cDNA encoding the catalytic subunit of calcineurin (cnaA) were isolated from Aspergillus oryzae. The cnaA open reading frame extended to 1727 bp and encoded a putative protein of 514 amino acids. Comparative analysis of the nucleotide sequence of cnaA genomic DNA and cDNA confirmed the presence of three introns and a highly conserved calmodulin binding domain. The deduced amino acid sequence was homologous to calcineurin A from Aspergillus nidulans (92%), Neurospora crassa (84%), human (67%), Saccharomyces cerevisiae (58%) and Schizosaccharomyces pombe (54%). Further, A. oryzae cnaA cDNA complemented S. cerevisiae calcineurin disruptant strain (Δcmp1Δcmp2), which was not viable in the presence of high concentrations of NaCl (1.2 M) and at alkaline pH 8.5.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.2001.tb10881.x
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  • 9
    Electronic Resource
    Electronic Resource
    Cloning and characterization of vmaA, the gene encoding a 69-kDa catalytic subunit of the vacuolar H+-ATPase during alkaline pH mediated growth of Aspergillus oryzae (2002)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 209 (2002), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Screening of a cDNA library constructed under alkaline pH mediated growth of Aspergillus oryzae implicated a vacuolar H+-ATPase gene (vmaA) as a putative candidate involved in alkaline pH adaptation. A. oryzae vmaA genomic DNA extended to 2072 bp including three introns and encoded a protein of 605 amino acids. VmaAp was homologous to Vma-1p from Neurospora crassa (71%), Vma1p from Saccharomyces cerevisiae (69%) and ATP6A2 from human (49%). The vmaA cDNA complemented S. cerevisiae V-ATPase disrupted strain (Δvma1) was viable at alkaline pH 8.0 and in the presence of CaCl2 (100 mM). Northern analysis revealed an enhanced expression of vmaA during growth of A. oryzae in alkaline medium (pH 10.0). The A. oryzae vmaA disruptant exhibited abnormally shrunken vacuoles and hyphal walls at pH 8.5 and a growth defect at pH 10.0, implicating an alkaline pH stress responsive role for vmaA in A. oryzae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.2002.tb11144.x
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  • 10
    Electronic Resource
    Electronic Resource
    Recombinant BCG approach for development of vaccines: cloning and expression of immunodominant antigens of M. tuberculosis (2000)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 190 (2000), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: In spite of major advances in our understanding of the biology and immunology of tuberculosis, the incidence of the disease has not reduced in most parts of the world. In an attempt to improve the protective efficacy of Mycobacterium bovis bacille Calmette–Guérin (BCG), we have developed a generic vector system, pSD5, for expression of genes at varying levels in mycobacteria. In this study, we have cloned and overexpressed three immunodominant secretory antigens of M. tuberculosis, 85A, 85B and 85C, belonging to the antigen 85 complex. All the genes were cloned under the control of a battery of mycobacterial promoters of varying strength. The expression was analysed in the fast-growing strain M. smegmatis and the slow-growing vaccine strain M. bovis BCG. The recombinant BCG constructs were able to express the antigens at high levels and the majority of the expressed antigens was secreted into the medium. These results show that by using this strategy the recombinant BCG approach can be successfully used for the development of candidate vaccines against infections associated with mycobacteria as well as other pathogens.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.2000.tb09304.x
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