Казанский (Приволжский) федеральный университет, КФУ
КАЗАНСКИЙ
ФЕДЕРАЛЬНЫЙ УНИВЕРСИТЕТ
 
PYLOTYPING AND GENOTYPING OF ESCHERICHIA COLI ISOLATES OBTAINED FROM PATIENTS WITH COLORECTAL CANCER
Форма представленияСтатьи в зарубежных журналах и сборниках
Год публикации2020
Языканглийский
  • Ильинская Ольга Николаевна, автор
  • Библиографическое описание на языке оригинала Irina V. Rzhanova, Ramil R. Vafin, Tkhi Nga Nguyen, Alexey I. Kolpakov, Olga N. Ilinskaya. Pylotyping and genotyping of Escherichia coli isolates obtained from patients with colorectal cancer. International Journal of Pharmaceutical Research, Published on 01 Jul 2020 10.31838/ijpr/2020.12.03.076
    Аннотация Objective of the research was to phylotype the E. coli isolates from the malignant and adjacent normal epithelium of the rectal mucosa of patients diagnosed with colorectal cancer, identifying and discriminating phylogroups by a set of genes, and also genotyping them by the fimH-gene locus by identifying fimH types. Samples of bacterial cultures isolated from paired biopsy specimens of patients diagnosed with colorectal cancer were subjected to molecular genetic research for species identification, as well as E. coli phylo- and genotyping. By sequencing the 16S rRNA locus, bacterial cultures are identified both as isolates of monocultures of E. coli and as mixed cultures of E. coli and K. pneumonia. The procedure for the phylotyping of E. coli isolates by identifying and discriminating phylogroups by a set of genes established the affiliation of samples of bacterial cultures with phylogroups A and B2. The genotyping procedure for E. coli isolates at the fimH gene locus by identifying the fimH types characterized the studied samples by signs of the third (f-3), fourth (f-4), and seventh (f-7) types, respectively. The strategy for identifying fimH-types during genotyping of E. coli at the fimH-gene locus has been improved, based on the analysis of SNP sequenced DNA sequences, and includes 52 fimH-types, three of which are justified in this paper.
    Ключевые слова colorectal cancer, Escherichia coli, phylotyping, genotyping, fimH, PCR, sequencing, SNP
    Название журнала International Journal of Pharmaceutical Research
    Пожалуйста, используйте этот идентификатор, чтобы цитировать или ссылаться на эту карточку https://repository.kpfu.ru/?p_id=235562

    Полная запись метаданных