搜索结果: 1-15 共查到“农学 Isolates”相关记录57条 . 查询时间(0.078 秒)
Characterisation of Magnaporthe oryzae isolates from rice in peninsular Malaysia
genetic diversity ISSR Oryza sativa RAPD rDNA-ITS rice blast
2016/12/8
The genus Pyricularia (anamorph)/Magnaporthe (teleomorph) includes important destructive pathogens causing blast disease on various species from the family Poaceae. Thirty-five Magnaporthe isolates we...
Molecular characterisation of Shiga toxin-producing Escherichia coli O157:H7 isolates from cattle in eastern Turkey
pulsed-field gel electrophoresis virulence genes bovine rectal swabs E. coli strains
2016/12/8
Shiga toxin-producing Escherichia coli (STEC) O157:H7 is an important foodborne pathogen worldwide. In Turkey, little is known about the molecular characteristics of STEC O157:H7 isolates. The aim of ...
Response of Selected Winter Wheat Cultivars to Inoculation with Different Mycosphaerella graminicola Isolates
breeding for resistance methodology of tests Septoria tritici blotch wheat
2015/10/9
Five winter wheat cultivars, differing in resistance to Septoria tritici blotch (STB), were spray inoculated under
field conditions for two years and at two locations with nine Mycosphaerella gramin...
Bioassay and Phylogeny of Five Iranian Isolates of Cucumber mosaic virus from Different Hosts Based on CP Gene Sequence
CMV coat protein genetic variation phylogeny symptomology subgroup I
2015/10/9
Using double-antibody sandwich enzyme-linked immunosorbent assay (DAS-ELISA), Cucumber mosaic virus (CMV)
was detected in 31 out of 132 symptomatic leaf samples collected from different hosts of Urm...
Effects of a species-specific probiotic formulation on multiresistant Escherichia coli isolates from the gut of veal calves
lactic acid bacteria antibiotic resistance prevalence gastrointestinal functionality veal calves
2015/6/24
In this study, 254 Escherichia coli isolates from faecal samples of veal calves were evaluated for antimicrobial susceptibility using the disk diffusion method. During the experimental period, six mas...
O-serogroups, virulence genes of pathogenic Escherichia coli and Pulsed-field gel electrophoresis (PFGE) patterns of O149 isolates from diarrhoeic piglets in Korea
Escherichia coli piglet O-serogroup pathotype virulence gene
2015/4/16
A total of 116 Escherichia (E.) coli isolates isolated from neonatal diarrhoeic piglets were serogrouped and tested for the presence of virulence genes for fimbrial and non-fimbrial adhesins, intimin,...
The prevalence of hepatitis E virus in piglets on Czech pig production farms and phylogenetic analysis of recovered isolates
swine hepatitis E virus real time RT-PCR nested RT-PCR genotype 3
2015/4/16
The aim of our study was to determine the prevalence of hepatitis E virus (HEV) in domestic pigs and to investigate the genetic divergence of swine HEV in the Czech Republic. To this end, a one-step r...
Susceptibility of Mycoplasma bovis field isolates to antimicrobial agents
Mycoplasma bovis cattle minimal inhibitory concentration
2015/4/15
The purpose of this study was to determine the antibacterial susceptibility of field isolates of Mycoplasma bovis originating from the upper respiratory tract of cattle of different ages. Bacteriologi...
Molecular mechanisms of ceftazidime resistance in Pseudomonas aeruginosa isolates from canine and human infections
ampC ampR extended spectrum β-lactamases
2015/4/8
Sixty-six clinical P. aeruginosa isolates, 17 obtained from canine otitis specimens and 49 received from human patients with bloodstream infections, were collected between February 2007 and January 20...
Mycobacterium arupense among the isolates of non-tuberculous mycobacteria from human, animal and environmental samples
16S rDNA sequencing non-tuberculous mycobacteria ecology
2015/4/7
Mycobacterium arupense is a non-tuberculous, potentially pathogenic species rarely isolated from humans. The aim of the study was to ascertain the spectrum of non-tuberculous mycobacteria within 271 s...
Intermediately virulent Rhodococcus equi isolates from pigs in Slovenia: discovery of new plasmid types and assessment of genetic diversity by pulsed-field gel electrophoresis
genotyping molecular epidemiology restriction enzyme analysis
2015/4/2
The presence of large plasmids in 30 Rhodococcus equi strains isolated from pig lymph nodes with granulomatous changes was investigated. Plasmid DNAs were isolated and digested with the restriction en...
Genotyping of Mycobacterium avium subsp. avium isolates from domestic animals in Slovenia by IS901 RFLP
genotyping mycobacteriosis avian tuberculosis
2015/4/2
ABSTRACT: Apart from birds, Mycobacterium avium subsp. avium (MAA) is often isolated from granulomatous lesions in pigs and occasionally from cattle and other animals. The objectives of this study wer...
Genotyping of bovine viral diarrhoea virus isolates from the Czech Republic
BVDV phylogenetic analysis genotyping cattle
2015/4/1
This study was focused on the genetic typing of bovine viral diarrhoea virus (BVDV) isolates obtained from 41 serum samples of persistently infected cattle in the Czech Republic in the period of 2004 ...
Genotyping of porcine teschoviruses isolated from 1960 to 1980 in the former Czechoslovakia and new Porcine teschovirus isolates obtained from piglets with diarrhoea
fecal samples reverse transcription polymerase chain reaction
2015/4/1
The porcine enteroviruses (family Picornaviridae) were described as causative agents of neurological disorders known as Teschen/Talfan disease, reproductive failure, dermal lesions, enteric disease an...
Resistance to erythromycin of Staphylococcus spp. isolates from the food chain
food safety inducible MLSB-resistance
2015/3/17
The aim of this study was to determine both the occurrence and the genetic basis of resistance to
erythromycin among 1 235 Staphylococcus spp. isolates obtained between 2000 and 2006 from (a) raw mi...