[Identification of Sendai virus proteins that determine the mouse pathogenicity and mechanism of mouse pathogenicity].
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Amino Acid Sequence↗
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Extracellular protease production of various bacteria and the role of proteases on the pathogenicity of opportunistic pathogens.
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Animals↗
Identification of pathogenic and non-pathogenic Vibrio strains from shrimp and shrimp farms in the Philippines.
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Animals↗
Discrimination between highly pathogenic and low pathogenic H5 avian influenza A viruses.
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Hemagglutinin Glycoproteins, Influenza Virus↗
[Contribution of determinants, located in Bacillus anthracis chromosomes, in realizing the pathogenic properties of the pathogen].
Comparative study of virulence of B. anthracis strains harbouring pXO1 and pXO2 plasmids in mice and guinea pigs showed that among six B. anthracis strains, three were 100-1000 times less virulent for guinea pigs. Genetic construction of B. anthracis strains using transduction and conjugation transfer of resident plasmids permitted us to rule out the effects of modified pXO1 and pXO2 replicons and to prove the existence of nonidentified chromosome locuses responsible for the development of an infectious process in anthrax, along with plasmid determinants of virulence.
Animals↗
Role of DNA probes in characterization of pathogenic and non-pathogenic E. histolytica.
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Animals↗
Pathogenicity islands and virulence plasmids of bacterial plant pathogens.
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Animals↗
[The destruction of pathogenic and non-pathogenic spore-formers through heat sterilization of slaughterhouse waste].
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Abattoirs↗
[pH-dependent fusion of eukaryotic cells, caused by arenaviruses, pathogenic and non-pathogenic for humans].
The conditions necessary for fusion from inside (FFWI) of the BHK-21 cell culture affected by the Lassa and Mopeya arenaviruses were studied. The fusion was shown to occur only in the slightly acid medium and at lower pH meanings for the Mopeya virus, than for the Lassa virus.
Amino Acid Sequence↗
[Attempted differentiation of pathogenic and non-pathogenic strains of Mycobacterium tuberculosis in vitro].
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In Vitro Techniques↗
[Pathogenic classification as a basis for pathogenic therapy of closed injuries of the brain].
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Brain↗
A comparison of strains of Entamoeba histolytica with special reference to the pathogenicity. III. Relation between the size of cysts and the pathogenicity.
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Amebiasis↗
[Studies on antigenic composition of nonpathogenic staphylococci. I. Occurrence of specific agglutinogens and of a common agglutinogen in pathogenic and non-pathogenic strains].
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Antibodies↗
[Studies on the effect of cyanamide in calcium cyanamide on pathogenic and non-pathogenic soil micro-organisms].
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Bacteriology↗
[Studies on amino acid metabolism in pathogenic and non-pathogenic Escherichia coli strains].
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Amino Acids↗
[Studies on the differentiation possibilities of non-pathogenic and pathogenic coli bacteria].
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Cell Differentiation↗
[Studies on the virulence of tubercle bacilli by the homogenization of whole body of mice. I. On the survival and multiplication of pathogenic and non-pathogenic strain of human tubercle bacilli in whole tissues and various organs of mice].
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Animals↗
Differentiation of pathogenic and non-pathogenic serotype 1 Marek's disease viruses (MDVs) by the polymerase chain reaction amplification of the tandem direct repeats within the MDV genome.
There are no simple, direct methods to reliably distinguish oncogenic serotype 1 Marek's disease viruses (MDVs) from their attenuated variants. The present study was an attempt to apply polymerase chain reaction (PCR) to develop a rapid and sensitive assay for the presence of the MDV genome. PCR oligos were chosen to flank the 132-base-pair tandem direct repeats in the serotype 1 MDV genome. The PCR reaction was specific for serotype 1 MDVs, amplifying fragments corresponding to one to three copies of the tandem repeats present in Md11/8, JM/102W, and GA viruses. A high-molecular-weight DNA smear was observed when the DNA from an attenuated Md11/100 was PCR-amplified. Use of the PCR technique allowed the detection of two copies of the 132-base-pair repeat in the DNA extracted from MDV-induced lymphomas removed from two chickens. No DNA was amplified from the DNA extracted from lymphomas induced by either an avian leukosis virus (RAV-1) or reticuloendotheliosis virus (chick syncytial virus).
Animals↗