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  • 1
    Electronic Resource
    Electronic Resource
    Tectonic deformation of the Andes and the configuration of the subducted slab in central Peru; results from a microseismic experiment (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 103 (1990), S. 0 
    Details
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: A microearthquake survey was conducted in the central Andes of Peru, east of the city of Lima, to study the seismicity and style of tectonic deformation of the Peruvian Andes. Although most of the stations forming the temporary seismographic network were located on the high Andes, the vast majority of the microearthquakes recorded occurred to the east of the mountain belt: on the Huaytapallana fault in the Eastern Cordillera and beneath the western margin of the sub-Andes. Thus the sub-Andes appear to be the physiographic province subject to the most intense seismic deformation. Focal depths of the crustal events in this region range generally from 15 to 35 km and some events beneath the sub-Andes appear to be as deep as 40-50 km. The fault-plane solutions of events in the sub-Andean margin show thrust faulting on steep planes oriented roughly north-south, similar to that observed in teleseismic earthquakes studied using body wave modelling. The Huaytapallana fault in the Cordillera Oriental also shows relatively high seismicity along a NE-SW trend that agrees with the fault scarp and the east-dipping nodal plane of two large earthquakes that occurred on this fault on 1969 July 24 and October 1. Microearthquakes of intermediate depth recorded during the experiment show a flat seismic zone about 25 km thick at a depth of about 100 km. This agrees with recent observations showing that beneath Peru the slab first dips at an angle of about 30° to a depth of 100 km and then flattens following a quasi-horizontal trajectory. Fault-plane solutions of intermediate-depth microearthquakes have horizontal T axes oriented east-west suggesting slab pull is the dominant force in the downgoing slab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-246X.1990.tb01747.x
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  • 2
    Electronic Resource
    Electronic Resource
    Revision of the antigenic structure of genus Listeria (1990)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 67 (1990), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: O-antigenic structure of genus Listeria was studied, using antisera (obtained from rabbits) against different O-antigens of reference strains of each serovar. The titres of sera were determined by agglutination using antigens of the same reference strains as well. Some differences from the actual scheme were found: serum antifactor-IX gave a lower titre than expected against antigens 4ab and 6b, while the titre observed against antigen 4b was higher than the expected in this case. Serum antifactor-VIII presented a higher titre than could be expected against antigen 6b. The strains of serovars 4d and 4e used in this experience were impossible to distinguish, and could have been classified in the same serovar. We could not obtain serum antifactor-XI factor from serovar 6b after several trials. From these differences we propose some modifications of the current antigenic scheme of genus Listeria.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1990.tb13846.x
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  • 3
    Electronic Resource
    Electronic Resource
    Preliminary evidence that different domains are involved in cytolytic activity and receptor (cholesterol) binding in listeriolysin O, the Listeria monocytogenes thiol-activated toxin (1989)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 65 (1989), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The inactive truncated 52 Kilodaltons (kDa) Listeriolysin O (LLO) produced by a transposon Tn 1545-induced Listeria monocytogenes non-hemolytic/avirulent mutant previously described (Gaillard et al. (1986) Infect. Immun. 52, 55-55), that lacks a 48 aminoacid fragment at the C-terminal end including the single cysteine residue essential for activity (Mengaud et al. (1988) Infect. Immun. 56, 766–772), bound to the SH-cytolysin membrane receptor cholesterol, as did the active 60 kDa toxin. These results indicate that the missing fragment is a functionally important region needed in the 60 kDa LLo to cause membrane-disruption but not to bind to cholesterol, which strongly suggests that in LLO (and presumably in the other SH-cytolysins, in accordance with their structural and functional homologies) different domains are involved in cytolytic activity and cholesterol binding. The cysteine residue contained in the missing fragment, therefore, would not be essential for cholesterol binding, as in currently thought, rather it seems to be essential specifically for cell lysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1989.tb03603.x
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  • 4
    Electronic Resource
    Electronic Resource
    Different media and methodologies for the detection of aflatoxin production by Aspergillus flavus strains isolated from trout feed (1991)
    Springer
    Mycopathologia 113 (1991), S. 121-125 
    Details
    ISSN: 1573-0832
    Keywords: Aflatoxin ; Aspergillus flavus ; aflatoxin natural ; semisynthetic and synthetic media
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract We have studied the aflatoxin producing capacity of 41 Aspergillus flavus strains isolated from the mycoflora present of natural media (wheat, rice and mixed feed) synthetic medium (Aflatoxin Producing Ability Medium) and semisynthetic media (Coconut Agar Medium and Glucose Yeast Extract Agar) were compared. Aflatoxins were analysed on days 4 and 8 post-inoculation under an incubation temperature of 28 °C. A total of 30 strains (75.7%) were producers on natural media as detected by Thin Layer Chromatography: 23 strains on wheat, 27 on rice and 12 on mixed feed. The results by qualitative flourescence tests on synthetic and semisynthetic media were: 3 strains positive on Coconut Agar Medium (CAM) 1 on Glucose Yeast Extract Agar (GY + Agar) and none on Aflatoxin Producing Ability Medium (APA).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00442423
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  • 5
    Electronic Resource
    Electronic Resource
    Toxicological study of fungi isolated from starches intended for human consumption (1981)
    Springer
    Mycopathologia 75 (1981), S. 27-31 
    Details
    ISSN: 1573-0832
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00439063
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  • 6
    Electronic Resource
    Electronic Resource
    Muertos Trough subduction—microplate tectonics in the northern Caribbean? (1985)
    [s.l.] : Nature Publishing Group
    Nature 317 (1985), S. 420-421 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Subduction along MT ba$ been suggested on the basis of multichannel reflection lines (inset of Fig. 2) obtained by Ladd and others2. On these profiles, the basement of the Caribbean plate can be traced for at least 40 km to the north of MT, dipping at an average of 11. Additional evidence ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/317420a0
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  • 7
    Electronic Resource
    Electronic Resource
    Global patterns of tectonic stress (1989)
    [s.l.] : Nature Publishing Group
    Nature 341 (1989), S. 291-298 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Regional patterns of present-day tectonic stress can be used to evaluate the forces acting on the lithosphere and to investigate intraplate seismicity. Most intraplate regions are characterized by a compressional stress regime; extension is limited almost entirely to thermally uplifted ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/341291a0
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  • 8
    Electronic Resource
    Electronic Resource
    Air-borne fungi in Barcelona city (Spain). I. A two-year study (1976–1978) (1980)
    Springer
    Mycopathologia 71 (1980), S. 89-93 
    Details
    ISSN: 1573-0832
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Résumé Une étude qualitative ainsi que quantitative a été réalisée sur la population fongique présente dans l'atmosphère de la ville de Barcelone. Les genres Cladosporium et Alternaria constituent les moisissures les plus inportantes quant à leur présence parmis la population fongique étudiée durant la période de deux ans comprise entre le mois de Janvier 1976 et le mois de Janvier 1978. Le genre Pénicillium représentait le 16.3% de la totalité des colonies isolées, tandis que le genre Aspergillus ne représentait que le 2.8%. La présence d'espéces de ces genres était largement influencée par les conditions climatologiques. Les données sur la présence des différents genres de moisissures ont été établies sur une base volumétrique. La plupart des moisissures identifiables l'ont été jusqu'au genre.
    Notes: Abstract Quantitative and qualitative studies were made of the fungi of the air in Barcelona City. The genera Cladosporium and Alternaria formed two of the most important components of the fungus population studied during a two-year period running from January 1976 through January 1978. Penicillium species formed the 16.3 % of the total colonies while Aspergillus species represented only the 2.8 %. The occurrence of these genera was greatly affected by climatic conditions. An attempt was made to summariza the data of various kinds of fungi on a volumetric basis. Most of the fungi reported here have been identified as far as genera.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00440614
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  • 9
    Electronic Resource
    Electronic Resource
    Air-borne fungi in the air of Barcelona (Spain). III. The genus Aspergillus link (1980)
    Springer
    Mycopathologia 71 (1980), S. 41-43 
    Details
    ISSN: 1573-0832
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract During a survey on the presence of species of the genusAspergillus in the air of the city of Barcelona (Spain), the following species were identified:Aspergillus flavus Link,A. niger van Tieghem,A. fumigatus Fresenius,A. clavatus Desmazières,A. terreus Thorn,A. chevalieri (Mang.) Thomet Church,A. niveus Bloch, emend. Thomet Church,A. ochraceus Wilhelm,A. versicolor (Vuillemin) Tiraboschi, andA. amstelodami (Mang.) Churchet Thom.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00625313
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  • 10
    Electronic Resource
    Electronic Resource
    Air-borne fungi in the air of Barcelona (Spain). IV. Various isolated genera (1980)
    Springer
    Mycopathologia 71 (1980), S. 119-123 
    Details
    ISSN: 1573-0832
    Keywords: Aeromycology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract During a two-year survey on the air-borne fungi in the atmosphere of Barcelona (Spain), the following genera were isolated in decreasing order: Aureobasidium, Rhizopus, Mucor, Arthrinium, Phoma, Fusarium, Trichoderma, and Botrytis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00440618
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