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  • 1
    Electronic Resource
    Electronic Resource
    Leucine arylamidase activity in the phyllosphere and the litter layer of a Scots pine forest (2004)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 47 (2004), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The activity of the leucine arylamidase (EC 3.4.11.2) was measured in washings of green needles from the canopy and dead needles from the litter of Scots pine throughout one year. It was highest in the litter and markedly higher in 2-year-old needles than in young ones, which were colonized by only a few bacteria. The leucine arylamidase activity largely arose from microbial epiphytes. Screenings for the potential of the enzyme activity among strains of a collection of phyllosphere microorganisms isolated from forest trees revealed that the leucine arylamidase activity was more abundant among bacteria (79%) and yeasts (57%) than among filamentous fungi, whereas the opposite was true in degrading complex proteins by proteinases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0168-6496(03)00258-7
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  • 2
    Electronic Resource
    Electronic Resource
    Flexible working practices in engine plants: evidence from the European automobile industry (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Industrial relations journal 23 (1992), S. 0 
    Details
    ISSN: 1468-2338
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: A convergent development between European countries can be observed in terms of the extension of functional flexibility, enlarging production workers’ jobs, introducing teamwork arrangements. In the literature, the emphasis has traditionally been on divergence between countries, which was explained in terms of different management strategies and industrial relations systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-2338.1992.tb00617.x
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  • 3
    Electronic Resource
    Electronic Resource
    The growth rate-limiting reaction in methanol-assimilating yeasts (1990)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 87 (1990), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The maximum growth rate of methylotrophic yeasts during growth on methanol is about 0.2 h−1. Since they are able to grow faster on substrates such as glucose we tried to identify the putative limiting step in methanol metabolism within the assimilatory pathway, leading to the formation of a major precursor for biosyntheses, or within the linear dissimilatory sequence. Growth experiments with mixed substrates and determination of some kinetic parameters allowed us to restrict the number of possible pacemaker enzymes. The dissimilatory sequence does not seem to be growth-rate limiting. This also applies to transketolase, transaldolase and fructose-1,6-bisphosphatase. Surprisingly, methanol oxidase appears to be the prime candidate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1990.tb04922.x
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  • 4
    Electronic Resource
    Electronic Resource
    A constitutive, heat shock-activated neutral trehalase occurs in Schizosaccharomyces pombe in addition to the sporulation-specific acid trehalase (1991)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 84 (1991), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Trehalase was studied in Schizosaccharomyces pombe cells growing vegetatively on minimal medium and in sporulating cultures. Acid trehalase activity, measured at pH 4.2, was absent in vegetative cells and occurred only in asci, indicating that this activity represented the sporulation-specific trehalase reported previously. In contrast, neutral trehalase, measured at pH 6.0, was constitutively present in vegetative cells during the expotential and stationary growth phase as well as in asci. In vegetative cells, neutral trehalase did not sediment with cell walls, suggesting a cytoplasmic localization. Its activity increased ten-fold when growing cells were subjected to heat treatment of 2 h. Neutral trehalase from heat-treated cells had a pH optimum of 6.0 and was almost completely inhibited by 3 mM ZnCl2. Acid trehalase activity could be measured in intact asci, indicating that it is localized in the ascus cell walls, while neutral trehalase was not detectable in intact asci and appeared to be present primarily in the walls of ascospores and in the ascus epiplasm.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1991.tb04574.x
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  • 5
    Electronic Resource
    Electronic Resource
    Expression of heterologous genes in Pseudomonas putida under the control of streptococcal promoters (1988)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 52 (1988), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Streptococcal promoters were shown to fulfil primary structure requirements for the expression of heterologous genes in Pseudomonas putida KT2440. The identity of the gene products, streptokinase and human interferon-α1, as synthesized by KT2440, was confirmed by their biological, antigenic and/or physical properties. Although designed as secretion vectors with streptococcal signal sequences, the recombinant plasmids failed to mediate the complete export of either protein into the periplasmic space of KT2440.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1988.tb02610.x
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of phenolic compounds on cellulose degradation by some white rot basidiomycetes (1988)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 49 (1988), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Cellulose degradation by several white rot fungi was investigated. In most fungi cellulase production was stimulated by lignin-related phenolics. Detailed investigation of Tremetes versicolor showed that this stimulation was not directly effected by phenols but was due to an indirect induction. The phenol was oxidized by laccase to quinone. The quinone was then reduced by the enzyme cellobiose: quinone-oxidoreductase while cellobiono-lactone was formed from cellobiose. The cellobiono-lactone was responsible for the increased cellulase production in submerged cultures with cellulose as the sole carbon source.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1988.tb02687.x
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  • 7
    Electronic Resource
    Electronic Resource
    The membrane potential is the driving force for siderophore iron transport in fungi (1983)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 20 (1983), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Respiratory inhibitors and uncouplers severely impair [55Fe]ferricrocin uptake by Neurospora crassa. parallel measurements of ATP decay and ferricrocin uptake, however, disprove the idea that direct input of metabolic energy in the form of ATP is required for transmembrane movement of siderophores. The role of the membrane potential for siderophore uptake was demonstrated using iron-deficient cells, which were derepressed in the glucose-II uptake system. Addition of high amounts of glucose (1 mM) to glu-II-derepressed cells leads to a membrane depolarization of about 120 mV, followed by a significant inhibition of ferricrocin uptake, which recovered after some minutes. Full transport inhibition occurred after membrane depolarization in the presence of plasma membrane ATP-ase inhibitors (DCCD or DES), indicating that the membrane potential is essential for siderophore transport in fungi.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1983.tb00101.x
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  • 8
    Electronic Resource
    Electronic Resource
    Isolation of a gene encoding cysteine synthase from Flavobacterium K3–15 (1996)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 136 (1996), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The cysteine synthase gene (cysK) from Flavobacterium K3–15 was cloned and sequenced. The gene exhibits 30–50% identity to known cysteine synthases on both the DNA and the amino acid levels. The pyridoxal phosphate binding site of the enzyme is part of a conserved motif comprising seven amino acids (SIKDRIA). The lys31 residue of the flavobacterial enzyme is conserved in all known cysteine synthases. The cysK gene from Flavobacterium K3–15 was heterologously expressed and the gene product identified by immunoblotting and determination of the enzyme activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1996.tb08065.x
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  • 9
    Electronic Resource
    Electronic Resource
    Primary stucture of a cytosolic malate dehydrogenase of the amitochondriate eukaryote, Trichomonas vaginalis (1996)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 135 (1996), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The nucleotide sequence of a gene coding for a 37 kDa subunit of a cytosolic malate dehydrogenase of Trichomonas vaginalis was established. The sequences of a gDNA clone and a cDNA clone, which lacked seven amino-terminal codons, were identical, indicating an absence of introns from the gene. Cell fractionation combined with sequencing of peptide fragments of the purified enzyme showed that the gene codes for an expressed cytosolic enzyme. The derived amino acid sequence was closely related to cytosolic malate dehydrogenases from animals and plants and from the eubacteria Thermus aquaticus and Mycobacterium leprae and was more distant from the enzyme of mitochondria and from Escherichia coli and certain other eubacteria. In phylogenetic reconstructions this enzyme shared a most recent common ancestor with other cytosolic enzymes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1996.tb07998.x
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  • 10
    Electronic Resource
    Electronic Resource
    Aerobic biodegradation of 3-aminobenzoate by Gram-negative bacteria involves intermediate formation of 5-aminosalicylate as ring-cleavage substrate (1994)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 122 (1994), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The aerobic metabolism of 3-aminobenzoate by bacteria was studied. Bacterial strains degrading 3-aminobenzoate were obtained by enrichment with 3-aminobenzoate (strain Ia3) or 5-aminosalicylate (strains BN9 and 5AS1). During growth with 3-aminobenzoate, strain Ia3 and strain 5AS1 transiently accumulated 5-aminosalicylate in the culture broth. In the presence of inhibitors of 5-aminosalicylate 1,2-dioxygenase, resting cells of all three strains converted 3-aminobenzoate to stoichiometric amounts of 5-aminosalicylate. 5-Aminosalicylate 1,2-dioxygenase activity was induced in all strains after growth with 3-aminobenzoate or 5-aminosalicylate, but not after growth in complex media.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1994.tb07156.x
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