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  • Phanerochaete chrysosporium  (11)
  • Analytical Chemistry and Spectroscopy  (7)
  • Physics  (6)
  • Aggression  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Transformation of Phanerochaete chrysosporium and Neurospora crassa with adenine biosynthetic genes from Schizophyllum commune (1990)
    Springer
    Current genetics 17 (1990), S. 305-311 
    Details
    ISSN: 1432-0983
    Keywords: Phanerochaete chrysosporium ; Transformation ; Heterologous expression ; Basidiomycetes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Protoplasted basidiospores of two different adenine auxotrophs of the lignin-degrading basidiomycete Phanerochaete chrysosporium were transformed to prototrophy using plasmids containing genes encoding adenine biosynthetic enzymes from Schizophyllum commune. Fragments containing these genes were subcloned into pUC18 and P. chrysosporium transformants obtained with these subclones were analyzed. The subclones were mapped for restriction sites and the approximate locations of the complementing genes were determined. One of these plasmids was used to transform the Neurospora crassa auxotrophic strain ade2, thereby identifying the S. commune ade5 biosynthetic gene as encoding phosphoribosylaminoimidazole synthetase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00314877
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  • 2
    Electronic Resource
    Electronic Resource
    Homologous transformation of the lignin-degrading basidiomycete Phanerochaete chrysosporium (1991)
    Springer
    Current genetics 19 (1991), S. 491-494 
    Details
    ISSN: 1432-0983
    Keywords: Phanerochaete chrysosporium ; DNA transformation ; Basidiomycete ; Adenine biosynthesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A clone containing the Phanerochaete chrysosporium ade1 gene was isolated from a λEMBL3 genomic library using the ade5 gene encoding aminoimidazole ribonucleotide synthetase, from Schizophyllum commune, as a probe. A 6.0 kb fragment incorporating the ade1 gene was subcloned into pUC18 (pADE1) and used to transform the P. chrysosporium ade1 auxotrophic strain. Transformation frequencies were similar to those obtained previously with the S. commune ade5 gene; however, homologous transformants arose earlier than heterologous transformants. The transformants were mitotically and meiotically stable and Southern blot analysis indicated that the plasmid, pADE1, integrated ectopically in single or multiple copies. The pADE1 insert was mapped for restriction sites and the approximate location of the ade1 gene within the insert was determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00312741
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  • 3
    Electronic Resource
    Electronic Resource
    Pentobarbital sodium and attack behavior in male siamese fighting fish (1980)
    Springer
    Psychopharmacology 69 (1980), S. 207-208 
    Details
    ISSN: 1432-2072
    Keywords: Pentobarbital ; Aggression ; Fish behavior ; Sexual behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An experiment was undertaken to determine the effects of pentobarbital sodium on intraspecific attack behavior in male Siamese fighting fish in an attempt to extend earlier findings with chlordiazepoxide and secobarbital sodium. Pairs of fish fought while immersed in 20 μg/ml or 40 μg/ml pentobarbital sodium or plain water. The 40 μg/ml group showed significantly less attack (e.g., biting, jaw locking) than either control or low dose groups without producing a change in general arousal. Quasisexual behavior, seen in an earlier chlordiazepoxide study, did not occur in the present study.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00427651
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  • 4
    Electronic Resource
    Electronic Resource
    The effects of chlordiazepoxide (Librium) on the intensity and habituation of agonistic behavior in male Siamese fighting fish (1973)
    Springer
    Psychopharmacology 33 (1973), S. 277-292 
    Details
    ISSN: 1432-2072
    Keywords: Chlordiazepoxide ; Habituation ; Aggression ; Fish Behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effects of chlordiazepoxide (Librium) on the intensity and habituation of the threat display in male Siamese fighting fish (Betta splendens) was evaluated by exposing each subject to a male conspecific eliciting stimulus. In an independent groups design, the subjects were tested in either plain tap water, or a drug solution of 15 Μg/ml or 30 Μg/ml. Chlordiazepoxide attenuated threat behavior and facilitated habituation of the display without inducing noticeable sedation. The results were evaluated in term of a sdual-process theory of habituation involving independent hypothetical processes of sensitization and habituation which produce the net observed habituation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00423062
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  • 5
    Electronic Resource
    Electronic Resource
    Chlordiazepoxide (librium)-induced changes in intraspecific attack and selected non-agonistic behaviors in male siamese fighting fish (1975)
    Springer
    Psychopharmacology 42 (1975), S. 139-145 
    Details
    ISSN: 1432-2072
    Keywords: Chlordiazepoxide ; Aggression ; Fish Behavior ; Sexual Behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two experiments were undertaken to determine the effects of chlordiazepoxide on intraspecific attack behavior and selected non-aggressive behaviors in male Siamese fighting fish. In Exp. 1, pairs of fish fought while immersed in either 15 Μg/ml or 30 Μg/ml of chlordiazepoxide, or plain water. The drug groups showed significantly less attack (e.g., biting, jawlocking) than the control group, without noticeable behavioral toxicity. Also, in the drug groups alone, some variants of the copulatory clasp, seen in normal mating, occurred in many pairs. In Exp. 2, individual fish were isolated in one of the same doses or plain water for a period equivalent to that of Exp. 1. These doses produced no changes in measures of arousal, locomotion, and feeding behavior, as compared to the control condition. The drugrelated appearance of the intermale mating-like behavior is discussed in terms of a theoretical formulation postulating a mutually inhibitory relationship between sex and aggression in fish.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00429544
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  • 6
    Electronic Resource
    Electronic Resource
    Isolation and transformation of uracil auxotrophs of the lignin-degrading basidiomycete Phanerochaete chrysosporium (1993)
    Springer
    Current genetics 23 (1993), S. 351-356 
    Details
    ISSN: 1432-0983
    Keywords: Phanerochaete chrysosporium ; DNA transformation ; Basidiomycete ; Uracil auxotrophs ; Homothallism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Uracil auxotrophs of Phanerochaete chrysosporium were isolated using 5-fluoroorotate resistance as a selection scheme. The ura3 auxotrophs deficient in orotidylate decarboxylase and ura5 auxotrophs deficient in orotate phosphoribosyl transferase were characterized by enzyme assays and complementation tests. The ura5 auxotrophs were transformed to prototrophy with the ura5 gene from the ascomycete Podospora anserina. The ura3 auxotrophs were transformed to prototrophy with the ura3 gene from the basidiomycete Schizophyllum commune. The P. chrysosporium ura3 gene was isolated from a γEMBL3 genomic library using the S. commune ura3 gene as a probe. A 6.6-kb fragment incorporating the ura3 gene was subcloned into Bluescript SK+(pURA3.1) and used to transform P. chrysosporium ura3 auxotrophic strains. The pURA3.1 insert was mapped for restriction sites and the approximate location of the ura3 gene within the insert was determined. Double auxotrophic strains were transformed with either of two marker genes and the resulting single auxotrophic strains were crossed to demonstrate genetic recombination between two nuclei of identical genetic background.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00310898
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  • 7
    Electronic Resource
    Electronic Resource
    Vanillate hydroxylase from the white rot basidiomycete Phanerochaete chrysosporium (1979)
    Springer
    Archives of microbiology 123 (1979), S. 319-321 
    Details
    ISSN: 1432-072X
    Keywords: Basidiomycete ; Vanillic acid ; Vanillate hydroxylase ; Monooxygenase ; Methoxy-p-hydroquinone ; Lignin biodegradation ; Phanerochaete chrysosporium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A soluble enzyme fraction from Phanerochaete chrysosporium catalyzed the oxidative decarboxylation of vanillic acid to methoxy-p-hydroquinone. The enzyme, partially purified by ammonium sulfate precipitation, required NADPH and molecular oxygen for activity. NADH was not effective. Optimal activity was displayed between pH 7.5–8.5. Neither EDTA, KCN, NaN3, nor o-phenanthroline (5 mM) were inhibitory. The enzyme was inducible with maximal activity displayed after incubation of previously grown cells with 0.1% vanillate for 30h.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00406669
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  • 8
    Electronic Resource
    Electronic Resource
    Conditions for fruit body formation in the white rot basidiomycete Phanerochaete chrysosporium (1979)
    Springer
    Archives of microbiology 121 (1979), S. 37-41 
    Details
    ISSN: 1432-072X
    Keywords: Basidiomycete ; Basidiospores ; Fruit body ; Hymenium ; Catabolite repression ; Nitrogen repression ; cAMP ; Phanerochaete chrysosporium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In Phanerochaete chrysosporium fruit body formations is subject to strong catabolite repression by glucose in the presence of physiological levels of nitrogen. Walseth cellulose was found to be the best source of carbon for the induction of fruit body and consequent basidiospore synthesis. Ejected basidiospores collected from cultures grown under these conditions for two weeks are contaminated with neither conidia nor mycelial fragments and are therefore suitable for genetic analysis of recombination. Under conditions of nitrogen limitation, the glucose catabolite repression of fruit body synthesis was relieved. Exogenous adenosine 3′,5′-monophosphate but not other related nucleotides, also relieved glucose catabolite repression of fruit body formation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00409203
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  • 9
    Electronic Resource
    Electronic Resource
    Alkyl-phenyl cleavage of the lignin model compounds guaiacylglycol and glycerol-β-guaiacyl ether by Phanerochaete chrysosporium (1980)
    Springer
    Archives of microbiology 128 (1980), S. 190-195 
    Details
    ISSN: 1432-072X
    Keywords: Phanerochaete chrysosporium ; Lignin model compounds ; β-Aryl ether dimers ; Metabolism ; Methoxyhydroquinone ; Alkyl-phenyl cleavage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The white rot basidiomycete Phanerochaete chrysosporium metabolized guaiacylglycol-β-guaiacyl ether (I) in high nitrogen, shaking and stationary cultures. 2-(o-Methoxyphenoxy) ethanol (X), 2-(o-methoxyphenoxy) acetic acid (IX) and methoxy-phydroquinone (MHQ) were identified as products of the metabolism of (I). P. chrysosporium also metabolized guaiacylglycerol-β-guaiacyl ether (IV) in high nitrogen stationary cultures. 2-(o-Methoxyphenoxy)-1,3 propanediol (XII) and 3-hydroxy, 2-(o-methoxy-phenyxy) propionic acid (XIV) were identified as products of the metabolism of (IV). Finally, P. chrysosporium metabolized α-deoxyguaiacylglycol-β-guaiacyl ether (VI) and α-deoxyguaiacylglycerol-β-guaiacyl ether (VII) in limiting nitrogen cultures. 2-(o-Methoxyphenoxy) ethanol (X) and 2-(o-methoxyphenoxy)-1,3 propanediol (XII) were identified as products of the metabolism of VI and VII respectively indicating α hydroxylation of those substrates with subsequent alkyl-phenyl bond cleavage. Metabolites were identified after comparison with chemically synthesized standards by GLC-mass spectrometry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00406157
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  • 10
    Electronic Resource
    Electronic Resource
    A Phanerochaete chrysosporium mutant defective in lignin degradation as well as several other secondary metabolic functions (1982)
    Springer
    Archives of microbiology 132 (1982), S. 115-122 
    Details
    ISSN: 1432-072X
    Keywords: Phanerochaete chrysosporium ; Lignin degradation ; Veratryl alcohol ; Secondary metabolism ; Mutants ; Phenol oxidase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A pleiotropic mutant of Phanerochaete chrysosporium 104-2 lacking phenol oxidase and unable to form fruit bodies and a revertant strain 424-2 were isolated after UV mutagenesis. Strains 104-2 and 424-2 had no apparent dysfunction in primary metabolism with glucose as a carbon source. Unlike the wild type strain and strain 424-2, strain 104-2 was unable to evolve 14CO2 from 14C ring, side chain and 3-O-14C-methoxy labeled lignin. In addition, strain 104-2 was unable to evolve 14CO2 from a variety of lignin model compounds including 14C-4′-methoxy labeled veratrylglycerol-β-guaiacyl (V) ether, γ-14C-guaiacylglycerol-β-guaiacyl ether (VI), as well as 1-(14C-4′-methoxy, 3′-methoxyphenyl)1,2 propene (III) and 1-(14C-4′-methoxy-3′-methoxyphenyl) 1,2 dihydroxypropane (IV). The addition of peroxidase/H2O2 to cultures of strain 104-2 did not alter its capacity to degrade the labeled lignins. A variety of unlabeled lignin model compounds previously shown to be degraded by the wild type organism including β-aryl ether dimers and diaryl propane dimers were also not degraded by the mutant 104-2. The revertant strain 424-2 regained the capacity to degrade these compounds. The substrates described are degraded by oxygen requiring system(s) expressed during the secondary phase of growth, suggesting this pleiotropic mutant is possibly defective in the onset of postprimary metabolism. The inability of the mutant to produce the secondary metabolite veratryl alcohol and to elaborate enzymes in the veratryl alcohol biosynthetic pathway supports this hypothesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00508715
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