Results 21 to 30 of about 13,210 (221)

Newcastle disease virus pathotypes [PDF]

open access: yesAvian Pathology, 1974
The clinical signs, mortality and postmortem findings following infection of six-week-old chicks with nine strains of Newcastle disease virus were studied. Although strains could be divided into four pathotypes the divisions were not clear-cut. The most prominent feature of disease following infection by two isolates from the post-1970 USA epidemic, a ...
D J, Alexander, W H, Allan
openaire   +2 more sources

Integrated Genotypic and Phenotypic Determinants Underpin the Environmental Persistence of Escherichia coli in Treated Sewage in Japan. [PDF]

open access: yesEnviron Microbiol Rep
This study integrated genotypic and phenotypic analyses to investigate the persistence of Escherichia coli in treated sewage in Japan. Virulence‐positive isolates were dominated by phylogroups D and B1, with astA and blaTEM as the predominant virulence and resistance determinants. Among accessory siderophore genes, fecA and chuA were the most prevalent.
Munfarida I   +4 more
europepmc   +2 more sources

Pathotypes of Colletotrichum sublineolum in Arkansas [PDF]

open access: yesPlant Disease, 2008
Sorghum anthracnose, caused by Colletotrichum sublineolum, is widely distributed in most grain sorghum-producing areas in Arkansas, and localized epidemics continue to occur across the state. The objectives of this research were to determine the number of pathotypes of C.
J W, Moore, M, Ditmore, D O, TeBeest
openaire   +2 more sources

Distribution of DEC pathotypes among diarrheic children and claves.

open access: yes, 2022
Distribution of DEC pathotypes among diarrheic children and claves.
Tesfaye Sisay Tessema (6855155)   +3 more
core   +1 more source

The Use of an Alternative Differential Set for Determination of Pyrenophora teres f. maculata Pathotypes [PDF]

open access: yes, 2020
Pyrenophora teres f. maculata incites spot form of barley net blotch disease. For determination of Pyrenophora teres f. maculata pathotypes, a differential set consisted of 22 international cultivars and genotypes and a susceptible Turkish barley variety
Aziz Karakaya   +5 more
core   +2 more sources

Genetic diversity and virulence pattern in field populations of Pyricularia grisea from rice cultivar Metica-1 [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2002
Rice blast is a major yield constraint of the irrigated rice in the State of Tocantins, Brazil. The objective of this investigation was to study the phenotypic and genetic diversity within the pathogen population of Pyricularia grisea in samples ...
Marta Cristina Filippi   +3 more
doaj   +1 more source

Occurrence of pathotypes of Diplocarpon rosae on roses in Belgium

open access: yesPlant Protection Science, 2002
Monospore cultures of black spot (Diplocarpon rosae Wolf) were established from isolates collected on outdoor grown roses at different locations in Belgium.
L. Leus   +3 more
doaj   +1 more source

Diversity of Hybrid- and Hetero-Pathogenic Escherichia coli and Their Potential Implication in More Severe Diseases

open access: yesFrontiers in Cellular and Infection Microbiology, 2020
Although extraintestinal pathogenic Escherichia coli (ExPEC) are designated by their isolation site and grouped based on the type of host and the disease they cause, most diarrheagenic E.
Ana Carolina de Mello Santos   +3 more
doaj   +1 more source

Survey of pathotypes of Globodera pallida occurring in Europe

open access: yes, 2021
Slide of the Euphresco project 2020-A-335 ' Survey of pathotypes of Globodera pallida occurring in Europe'Project funded through the Euphresco ...
Nicolaisen, Mogens
core   +1 more source

Antibiotic resistance patterns of pathogenic E. coli pathotypes.

open access: yes, 2023
Antibiotic resistance patterns of pathogenic E. coli pathotypes.
Nokukhanya P. Kodzai (14709816)   +2 more
core   +1 more source

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