MORAVKOVA, Monika, Iveta KOSTOVOVA, Kateřina KAVANOVÁ, Radko PECHAR, Stanislav STANEK, Ales BRYCHTA, Michal ZEMAN and Tereza KUBASOVA. Antibiotic Susceptibility, Resistance Gene Determinants and Corresponding Genomic Regions in Lactobacillus amylovorus Isolates Derived from Wild Boars and Domestic Pigs. Microorganisms. Basel: MDPI, 2023, vol. 11, No 1, p. 1-17. ISSN 2076-2607. Available from: https://dx.doi.org/10.3390/microorganisms11010103.
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Basic information
Original name Antibiotic Susceptibility, Resistance Gene Determinants and Corresponding Genomic Regions in Lactobacillus amylovorus Isolates Derived from Wild Boars and Domestic Pigs
Authors MORAVKOVA, Monika (guarantor), Iveta KOSTOVOVA, Kateřina KAVANOVÁ (203 Czech Republic, belonging to the institution), Radko PECHAR, Stanislav STANEK, Ales BRYCHTA, Michal ZEMAN and Tereza KUBASOVA.
Edition Microorganisms, Basel, MDPI, 2023, 2076-2607.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 40301 Veterinary science
Country of publisher Switzerland
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 4.500 in 2022
RIV identification code RIV/00216224:14310/23:00130450
Organization unit Faculty of Science
Doi http://dx.doi.org/10.3390/microorganisms11010103
UT WoS 000927154500001
Keywords in English antibiotic resistance; tetW; ermB; Lactobacillus amylovorus; domestic pigs; wild boars
Tags rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Marie Šípková, DiS., učo 437722. Changed: 15/3/2023 10:50.
Abstract
Restrictions on the use of antibiotics in pigs lead to the continuous search for new probiotics serving as an alternative to antibiotics. One of the key parameters for probiotic bacteria selection is the absence of horizontally transmissible resistance genes. The aim of our study was to determine antibiotic susceptibility profiles in 28 Lactobacillus amylovorus isolates derived from the digestive tract of wild boars and farm pigs by means of the broth microdilution method and whole genome sequencing (WGS). We revealed genetic resistance determinants and examined sequences flanking resistance genes in these strains. Our findings indicate that L. amylovorus strains from domestic pigs are predominantly resistant to tetracycline, erythromycin and ampicillin. WGS analysis of horizontally transmissible genes revealed only three genetic determinants (tetW, ermB and aadE) of which all tetW and ermB genes were present only in strains derived from domestic pigs. Sequence analysis of coding sequences (CDS) in the neighborhood of the tetW gene revealed the presence of site-specific recombinase (xerC/D), site-specific DNA recombinase (spoIVCA) or DNA-binding transcriptional regulator (xre), usually directly downstream of the tetW gene. In the case of ermB, CDS for omega transcriptional repressor or mobilization protein were detected upstream of the ermB gene.
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