Characterisation ofStaphylococcus aureusisolated from rabbits in Fujian, China

Wang, Jinxiang; Sang, Lei; Sun, Shuhong; Chen, Y; Chen, D; Xie, Xin

doi:10.1017/s0950268819001468

Cited by 13 publications

(17 citation statements)

References 30 publications

(39 reference statements)

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“…S. aureus is a dangerous pathogen, secreting a number of toxins and hemolysins that cause tissue damage [ 50 ]. In a sample of 106 rabbits from nine rabbit farms, 18 (16.9%) S. aureus strains were detected, of which 12 (66.7%) harbored the hemolysin gene [ 51 ]. After studying the mortality rates of these nine rabbit farms, it was suggested that S. aureus was an important pathogen causing the death of rabbits on these rabbit farms.…”

Section: Discussionmentioning

confidence: 99%

“…S. aureus is pathogenic and can develop antibiotic resistance, resulting in high morbidity and mortality [ 51 ]. In the present study, the isolated S. aureus strains showed high resistance for gentamycin (100%) and ampicillin (88.9%) but only 44.4% resistance for ceftriaxone and streptomycin and were highly sensitive to ciprofloxacin and trimethoprim and sulfamethoxazole.…”

Section: Discussionmentioning

confidence: 99%

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Detection of aerobic bacterial pathogens associated with early embryonic death in pregnant New Zealand female Rabbits in Egypt

et al. 2021

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Background and Aim: Rabbits are a highly sensitive species and susceptible to various bacterial pathogens that may be causative agents for early embryonic death. This study aimed to explore the administration of different bacterial agents in does suffering from early embryonic death. Furthermore, identification of genes associated with virulence was performed to identify the phenotypic and genotypic antimicrobial resistance patterns that may increase the virulence of pathogens and lead to early embryonic death. Materials and Methods: We isolated and identified bacterial agents in 106 samples from live and dead female rabbits that had undergone early embryonic death, including liver and intestine tissue, aborted fetuses, discharges, and vaginal swabs. Conventional polymerase chain reaction (PCR) was conducted to confirm the identity of the isolated bacterial strains and their virulence. Moreover, antibiotic resistance was studied phenotypically and genotypically. Results: We isolated Escherichia coli, Salmonella, Staphylococcus aureus, Pasteurella multocida, and Listeria monocytogenes. PCR confirmed typical identification except in P. multocida, which was confirmed as Gallibacterium spp. in some cases. The final percentage of detection was 34%, 30.2%, 16.9%, 13.2%, and 11.3%, respectively. Virulence properties were investigated using different designated genes. All Salmonella strains harbored invA, stn, avrA, and ompf genes, while the sopE gene was identified in 31.25%. E. coli strains harboring the iss gene lacked the shiga toxin (stx1) gene. L. monocytogenes and S. aureus strains harbored the hemolysin gene (66.7% and 33.4%, respectively). Multidrug resistance was detected phenotypically and genotypically in most strains. Each bacterial pathogen had a different antibiotic resistance profile. Conclusion: Multiple bacterial species may contribute to early embryonic death in does. Furthermore, the combined infection could be the main cause of early embryonic death. Thus, monitoring programs should bear this in mind and focus on the early detection of these bacterial agents in female rabbits to avoid embryonic death.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Detection of aerobic bacterial pathogens associated with early embryonic death in pregnant New Zealand female Rabbits in Egypt

et al. 2021

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“…Of the 754 samples, 43.61% samples were positive for S. aureus. Wang et al (2019) reported a lower isolation rate with 40.66%. The highest recovery rate was noted in rabbits (92%).…”

Section: Occurrence Of Staphylococcus Aureusmentioning

confidence: 94%

Occurrence of Methicillin Resistant Staphylococcus aureus Carriage in Different Animal Species in Eastern Algeria

Belkadi¹,

Manel²,

Yasmine³

et al. 2021

ASD

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Background: Several animal species may act as a possible reservoir for transmission of MRSA to human. The aim of this study was to determine the antibiotic resistance profiles of Staphylococci from animals.Methods: A total of 754 nasal and rectal swab samples collected from apparently healthy animals at Batna and Setif governorate, eastern Algeria. For this purpose, we studied the antimicrobial susceptibility of the isolates by conventional methods (Disk diffusion test and methicillin resistance by Cefoxitin disk diffusion test).Result: The overall prevalence of S. aureus isolates from 754 samples was 43.61%, with a high rate of S. aureus isolation in rabbits (92%). Goats, bovine, dogs, cats, horses, poultry presented a medium prevalence with 31.91%, 25%, 23.75% 21.25%,15% and 15% respectively, while the lowest rate was observed in sheep with 10%. MRSA were isolated in all animal species (29.46%). All detected isolates were multiple drug resistant (MDR). A complete resistance (100%) was noted for ciprofloxacin and gentamicin in sheep and horses and to penicillin in dogs. MRSA is a serious problem for human and animal health; therefore, several experiments must be carried out to demonstrate possible transmission of MRSA between companion or food-chain animals and humans, as well as some MRSA clones of human origin that have adapted to new animal hosts eventually by losing useless virulence factors or acquiring new mobile genetic elements.

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“…Cough, purulent nasal discharge, haemorrhagic tracheitis, necrotising haemorrhagic pneumonia and purulent pneumonia were observed in the ST121 clone infected rabbits during a 4-wk experiment period (Wang et al, 2019b). The ST398 clone mainly caused chronic lesions such as mastitis and pododermatitis in adult rabbits (Wang et al, 2019a).…”

Section: Introductionmentioning

confidence: 98%

“…S. aureus is widespread in important rabbit farming areas (Ferreira et al, 2014;Selva et al, 2015;Wang et al, 2019a). Infection by S. aureus in rabbits is associated with subcutaneous abscesses, mastitis, pododermatitis and respiratory diseases (Corpa et al, 2009;Wang et al, 2019b).…”

Section: Introductionmentioning

confidence: 99%

Characterization of Staphylococcus aureus ST3320 clone causing fatal respiratory infection in rabbits

et al. 2021

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Staphylococcus aureus is a well-known pathogen that infects humans and animals. However, information on the fatal respiratory infection in rabbits caused by S. aureus is still limited. In the present study, a S. aureus isolate designated ND01 was recovered from lung samples of rabbits that died of fatal respiratory infection, and the ND01 was characterised by intranasal infection of rabbits, multi-locus sequencing typing, screening virulence genes and testing antimicrobial susceptibility. Clinical signs of matted forepaws and pathological lesions of haemorrhagic tracheitis and necrotising haemorrhagic pneumonia were observed in the ND01 infected rabbits, which were identical to those of naturally infected ones. The sequence type of the ND01 was defined as ST3320 and the ND01 was further grouped into the clonal complex 398. Notably, the ND01 was pvl-positive S. aureus and carried the human-associated scn gene. Moreover, the ND01 was methicillin-susceptible S. aureus and was susceptible to 6 of 10 tested antibiotics. This study described the characteristics of the ND01 causing fatal respiratory infection in rabbits. The results are helpful to further the understanding of the pathogenicity of S. aureus ST3320 clone in rabbits. The results also highlighted that operators must be on the alert for the colonisation of pvl-positive S. aureus in rabbits and potential transmission events between rabbits and humans.

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Characterisation ofStaphylococcus aureusisolated from rabbits in Fujian, China

Cited by 13 publications

References 30 publications

Detection of aerobic bacterial pathogens associated with early embryonic death in pregnant New Zealand female Rabbits in Egypt

Detection of aerobic bacterial pathogens associated with early embryonic death in pregnant New Zealand female Rabbits in Egypt

Occurrence of Methicillin Resistant Staphylococcus aureus Carriage in Different Animal Species in Eastern Algeria

Characterization of Staphylococcus aureus ST3320 clone causing fatal respiratory infection in rabbits

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