Shewanella haliotisAssociated with Severe Soft Tissue Infection, Thailand, 2012

Poovorawan, Kittiyod; Chatsuwan, Tanittha; Lakananurak, Narisorn; Chansaenroj, Jira; Komolmit, Piyawat; Poovorawan, Yong

doi:10.3201/eid1906.121607

Cited by 28 publications

(33 citation statements)

References 8 publications

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“…In 2007, S. haliotis was first isolated from the gut microflora of abalone by Kim et al (6). This species was also shown to be a causal agent of human infections (2,6).…”

Section: Discussionmentioning

confidence: 99%

“…Although it is known as an aquatic microorganism, the first Shewanella species (spp.) was isolated from a dairy product (1,2). Initially, it was classified as Achromobacter putrefaciens but was renamed as Pseudomonas putrefaciens a decade later.…”

Section: Introductionmentioning

confidence: 99%

“…In the genus Shewanella, particularly 4 species have been reported as human pathogens. S. putrefaciens, S. algae, and S. haliotis were isolated from clinical samples, and S. xiamenensis was recently implicated with human infection (2). In 1992, S. algae was isolated from red algae and reclassified as a new species that is different from S. putrefaciens in genomic and phenotypic studies (5).…”

Section: Introductionmentioning

confidence: 99%

“…In 2007, S. haliotis was first isolated from the gut microflora of abalone. The first case of human infection was reported in Japan, and the second case followed in Thailand (2,6,7). Thus far, the automated identification methods widely used in clinical laboratories cannot completely distinguish S. haliotis from S. algae.…”

Section: Introductionmentioning

confidence: 99%

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The Phantom Menace for Patients with Hepatobiliary Diseases: Shewanella haliotis, Often Misidentified as Shewanella algae in Biochemical Tests and MALDI-TOF Analysis

2017

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SUMMARY: Although Shewanella algae has been known to have weak pathogenicity, case reports on infections with this species have been steadily increasing. S. algae and S. haliotis are difficult to distinguish from each other with conventional phenotypic methods. We reviewed the microbiological and clinical features of S. algae and S. haliotis infections at our institute. Bacterial culture and identification reports from patient samples from 2010 to 2014 were reviewed to screen the cases of Shewanella infections. In addition to conventional biochemical tests, 16S rRNA gene sequence analysis and matrixassisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry were performed for 19 stored bacterial isolates. Medical records were reviewed for clinical characteristics and laboratory findings. All isolates were identified as S. algae by using VITEK 2. MALDI-TOF also identified all isolates as S. algae with a 99.9 confidence value. In contrast, 16S rRNA analysis identified 10 isolates as S. algae and 9 isolates as S. haliotis. Both S. algae (60z) and S. haliotis (77z) infections were strongly associated with diseases of the hepatobiliary tract and pancreas. To distinguish between S. algae and S. haliotis, 16S rRNA gene sequence analysis seems more accurate than biochemical tests or MALDI-TOF. Patients with underlying diseases in the hepatobiliary tract and pancreas seem to be susceptible to these marine pathogens.

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“…In 2007, S. haliotis was first isolated from the gut microflora of abalone by Kim et al (6). This species was also shown to be a causal agent of human infections (2,6).…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

The Phantom Menace for Patients with Hepatobiliary Diseases: Shewanella haliotis, Often Misidentified as Shewanella algae in Biochemical Tests and MALDI-TOF Analysis

2017

View full text Add to dashboard Cite

show abstract

“…However recent epidemiological data showed an increasing frequency of drug resistance especially to piperacillin-tazobactam and imipenem and was attributed to the presence of derepressed ambler class D beta-lactamases in them [6,14,19,20].…”

Section: Discussionmentioning

confidence: 99%