Characterisation of Pseudomonas aeruginosa related to bovine mastitis in: Acta Veterinaria Hungarica Volume 62 Issue 1 (2013)

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Acta Veterinaria Hungarica

Volume/Issue:: Volume 62: Issue 1

Characterisation of Pseudomonas aeruginosa related to bovine mastitis

Authors:

Hye Park

Hye Park Seoul National University Department of Microbiology and Brain Korea 21 Program for Veterinary Science, College of Veterinary Medicine Seoul Korea

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Min Hong

Min Hong University of Science and Technology Viral Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology Daejeon Korea

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Sun Hwang

Sun Hwang Seoul National University Department of Microbiology and Brain Korea 21 Program for Veterinary Science, College of Veterinary Medicine Seoul Korea

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Young Park

Young Park Seoul National University Department of Microbiology and Brain Korea 21 Program for Veterinary Science, College of Veterinary Medicine Seoul Korea

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Ka Kwon

Ka Kwon Seoul National University Department of Microbiology and Brain Korea 21 Program for Veterinary Science, College of Veterinary Medicine Seoul Korea

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Jang Yoon

Jang Yoon Seoul National University Department of Microbiology and Brain Korea 21 Program for Veterinary Science, College of Veterinary Medicine Seoul Korea

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Sook Shin

Sook Shin Seoul National University Department of Microbiology and Brain Korea 21 Program for Veterinary Science, College of Veterinary Medicine Seoul Korea

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Jae Kim

Jae Kim Seoul National University Laboratory of Avian Disease and Brain Korea 21 Program for Veterinary Science, College of Veterinary Medicine San 56-1, Daehak-dong Seoul 151-742 Korea

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, and

Yong Park

Yong Park Seoul National University Department of Microbiology and Brain Korea 21 Program for Veterinary Science, College of Veterinary Medicine Seoul Korea

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Pages:: 1–12

Online Publication Date:: 11 Dec 2013

Publication Date:: 01 Mar 2014

Article Category:: Journal Article

DOI:: https://doi.org/10.1556/avet.2013.054

Keywords (English):: bovine mastitis; type three secretion system (TTSS); biofilm; minimum biofilm eradication concentration (MBEC)

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Pseudomonas aeruginosa is one of the causative pathogens of bovine mastitis. Most P. aeruginosa strains possess the type III secretion system (TTSS), which may increase somatic cell counts (SCCs) in milk from mastitis-affected cows. Moreover, most of P. aeruginosa cells can form biofilms, thereby reducing antibiotic efficacy. In this study, the presence and effect of TTSS-related genotypes on increase of SCCs among 122 P. aeruginosa isolates obtained from raw milk samples from mastitis-affected cows and their antibiotic susceptibility at planktonic and biofilm status were investigated. Based on the presence of TTSS-related genes a total of 82.7% of the isolates were found to harbour exoU and/or exoS genes, including the invasive (exoU-/exoS+, 69.4%), cytotoxic (exoU+/exoS-, 8.3%) and cytotoxic/invasive strains (exoU+/ exoS+, 5.0%). Milk containing exoS-positive isolates had higher SCCs than those containing exoS-negative isolates. The majority of isolates showed gentamicin, amikacin, meropenem and ciprofloxacin susceptibility at planktonic status. However, the susceptibility was decreased at the biofilm status. Based on minimum biofilm eradication concentration (MBEC)/minimum inhibitory concentration (MIC) ratios, the range of change in antibiotic susceptibility varied widely depending on the antibiotics (from ≥ 3.1-fold to ≥ 475.0-fold). In conclusion, most P. aeruginosa isolates studied here had a genotype related to increase in SCCs. The efficiency of antibiotic therapy against P. aeruginosa-related bovine mastitis could be improved by analysing both the MBEC and the MIC of isolates.

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Acta Veterinaria Hungarica

Print ISSN:: 0236-6290

Online ISSN:: 1588-2705

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Editorial Board

Mária BENKŐ (Acta Veterinaria Hungarica, Budapest, Hungary)
Gábor BODÓ (University of Veterinary Medicine, Budapest, Hungary)
Béla DÉNES (University of Veterinary Medicine, Budapest Hungary)
Edit ESZTERBAUER (Veterinary Medical Research Institute, Budapest, Hungary)
Hedvig FÉBEL (National Agricultural Innovation Centre, Herceghalom, Hungary)
László FODOR (University of Veterinary Medicine, Budapest, Hungary)
János GÁL (University of Veterinary Medicine, Budapest, Hungary)
Balázs HARRACH (Veterinary Medical Research Institute, Budapest, Hungary)
Peter MASSÁNYI (Slovak University of Agriculture in Nitra, Nitra, Slovak Republic)
Béla NAGY (Veterinary Medical Research Institute, Budapest, Hungary)
Tibor NÉMETH (University of Veterinary Medicine, Budapest, Hungary)
Zsuzsanna NEOGRÁDY (University of Veterinary Medicine, Budapest, Hungary)
Dušan PALIĆ (Ludwig Maximilian University, Munich, Germany)
Alessandra PELAGALLI (University of Naples Federico II, Naples, Italy)
Kurt PFISTER (Ludwig-Maximilians-University of Munich, Munich, Germany)
László SOLTI (University of Veterinary Medicine, Budapest, Hungary)
József SZABÓ (University of Veterinary Medicine, Budapest, Hungary)
Péter VAJDOVICH (University of Veterinary Medicine, Budapest, Hungary)
János VARGA (University of Veterinary Medicine, Budapest, Hungary)
Štefan VILČEK (University of Veterinary Medicine in Kosice, Kosice, Slovak Republic)
Károly VÖRÖS (University of Veterinary Medicine, Budapest, Hungary)
Herbert WEISSENBÖCK (University of Veterinary Medicine, Vienna, Austria)
Attila ZSARNOVSZKY (Szent István University, Gödöllő, Hungary)

ACTA VETERINARIA HUNGARICA
Institute for Veterinary Medical Research
Centre for Agricultural Research
Hungarian Academy of Sciences
P.O. Box 18, H-1581 Budapest, Hungary
Phone: (36 1) 287 7073 (ed.-in-chief) or (36 1) 467 4081 (editor)

E-mail: acta.veterinaria@univet.hu (ed.-in-chief)

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2023
Web of Science
Journal Impact Factor	0.7
Rank by Impact Factor	Q3 (Veterinary Sciences)
Journal Citation Indicator	0.4
Scopus
CiteScore	1.8
CiteScore rank	Q2 (General Veterinary)
SNIP	0.39
Scimago
SJR index	0.258
SJR Q rank	Q3

Acta Veterinaria Hungarica
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Acta Veterinaria Hungarica
Language	English
Size	A4
Year of Foundation	1951
Volumes per Year	1
Issues per Year	4
Founder	Magyar Tudományos Akadémia
Founder's Address	H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher	Akadémiai Kiadó
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-6290 (Print)
ISSN	1588-2705 (Online)