Providencia thailandensis sp. nov., isolated from seafood processing wastewater

Khunthongpan, Suwannee; Sumpavapol, Punnanee; Tanasupawat, Somboon

doi:10.2323/jgam.59.185

Cited by 32 publications

(14 citation statements)

References 21 publications

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“…in the fish ponds water and this may pose a threat to the health of the fishes and consumers. It was found that Gram negative bacteria genera predominate and this is in agreement with findings reported by Molokwu and Okpokwasili, (2002), Akinwale et al (2007), Khunthongpan et al (2013), and Njoku et al (2015) in their study on the diversity of microflora of fish pond water. Furthermore, Elsaidy et al (2015) isolated E. coli, coliforms and Salmonella sp.…”

Section: Discussionsupporting

confidence: 89%

Bacteriological and physicochemical analysis of waste water from fish ponds

Sule¹,

Agbabiaka²,

Ahmed³

et al. 2016

Ethiop. J. Env Stud & Manag

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Rearing of fish especially catfish is very common in many communities in Nigeria and the wastewater from these fish ponds are often discharged into the surrounding drains. Assessment of the bacteriological and physicochemical characteristics of ten freshwater fish ponds stocked with African catfish (Clarias gariepinus) was conducted within Ilorin metropolis. The results of physicochemical properties of the water samples showed that the pH, total hardness, salinity, and suspended solid ranged from 6.77-8.43, 65-124 mg/l, 7.02-10.062 g/l, and 0.012-0.128g/100ml respectively. The bacterial count, total coliform, and faecal coliform count of the wastewater ranged from 4.0 x 10 3-6.7 x 10 5 cfu/ml, nil to 2 x 10 4 cfu/ml, and nil to 1 x 10 3 cfu/ml respectively. The bacterial species isolated from the ponds were Escherichia coli, Staphylococcus sp., Staphylococcus aureus, Aeromonas hydrophila, Staphylococcus saprophyticus, Chromobacterium sp, Micrococcus sp., Micrococcus kristinae, Providencia sp., and Listeria sp. The antibiotics susceptibility testing of the bacterial isolates were determined using the disc method. All the isolates exhibited multiple antibiotic resistance (MAR). It can be concluded from this study that there is need to monitor the quality of wastewater from the fish ponds before being discharged into the environment since potential pathogens were isolated and most of these isolates were multiple antibiotic resistant. This study is of socioeconomic significance in the sense that while the farmers are able to raise their fish in the ponds and derive their livelihood, they are being cautioned on the need to treat their waste water before being discharged into the receiving water body.

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Section: Discussionsupporting

confidence: 89%

Bacteriological and physicochemical analysis of waste water from fish ponds

Sule¹,

Agbabiaka²,

Ahmed³

et al. 2016

Ethiop. J. Env Stud & Manag

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“…The genus Providencia, which is a member of Enterobacteriaceae, presently includes nine species i.e. P. alcalifaciens , P. stuartii , P. rettgeri , P. rustigianii , P. heimbachae , P. vermicola , P. sneebia , P. burhodogranariea and P. thailandensis [ 24 , 25 , 39 ]. Among these, P. stuartii is the species most frequently attributed to urinary tract infections (UTI) in patients of advanced age [ 9 ].…”

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confidence: 99%

<i>Providencia</i> in retail meats from Guangzhou, China and Osaka, Japan: prevalence, antimicrobial resistance and characterization of classes 1, 2 and 3 integrons

Liang

et al. 2018

The Journal of Veterinary Medical Science

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Bacteria of the genus Providencia are opportunistic pathogens of clinical significance due to their association with diarrhea and urinary tract infections. The present study was conducted to examine the prevalence and antimicrobial resistance of Providencia spp. in retail meats sold in Guangzhou, China and Osaka, Japan. Out of 158 meat samples including beef, pork and chicken, 67 Providencia (42%) belonging to four species viz., P. alcalifaciens, P. rustigianii, P. stuartii and P. rettgeri were isolated, and most of them were resistant to tetracycline (91%) followed by ampicillin (69%) and streptomycin (49%). Of 67 isolates, 29 (43%) were MDR, which is defined to be resistant to more than three classes of antimicrobials. No statistically significant differences were observed between Chinese and Japanese retail meat samples regarding contamination rate of Providencia spp. as well as frequency of the antimicrobial resistance of the isolates including MDR. Class 1 and/or class 2 integrons were detected in six of the eight isolates that were resistant to more than 4 antimicrobials, however none of the isolates harbored class 3 integron. A P. rustigianii harboring the blaOXA-10 gene was isolated, which is the first report of Providencia with blaOXA-10 gene of food origin. These data suggest that retail meats in China and Japan are substantially contaminated with Providencia spp., which displayed a high frequency of antimicrobial resistance, and establishing the surveillance of Providencia spp., especially antimicrobial resistant one, in retail meats is imperative.

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“…Therefore, in this study, we aim to determine the new taxonomic status of strain LLDRA6 T within the genus Providencia by a combination of phylogenetic, genomic and phenotypic analyses. Except for the type strain of P thailandensis , which was isolated from seafood processing wastewater [7], almost all other type strains in Providencia originated from clinical samples or insects [13]. Thus, this work will be of benefit to broaden the source of type strains in Providencia .…”

Section: Introductionmentioning

confidence: 99%

“…+, Positive; −, negative; na, not applicable. Results for all type strains in Providencia, other than strain LLDRA6 T , are from previous studies[1][2][3][4][5][6][7][8][10][11][12].…”

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confidence: 99%

Providencia manganoxydans sp. nov., a Mn(II)-oxidizing bacterium isolated from heavy metal contaminated soils in Hunan Province, China

Liao

Ding

et al. 2022

International Journal of Systematic and Evolutionary Microbiology

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A facultatively anaerobic, Gram-negative, rod-shaped bacterial strain designated as LLDRA6T, was isolated from heavy metal contaminated soils collected near a ceased smelting factory at Zhuzhou, Hunan Province, China. Strain LLDRA6T has the ability to oxidize Mn(II) and generate biogenic manganese oxides. The strain can grow in a wide range of temperature from 10–42°C and pH from 5 to 10. Comparative analysis of its complete 16S rRNA gene sequence suggests that strain LLDRA6T is highly similar to species within the genus Providencia . The complete genome of LLDRA6T is 4 342 370 bp with 40.18 mol% of G+C content and contains no plasmids. In comparison to the genomes of type strains in Providencia , LLDRA6T shows average nucleotide identity values between 76.60 and 80.89 %, and digital DNA–DNA hybridization values in a range of 21.2–24.6 %. Both multilocus sequence analysis and genomic phylogenetics indicate a new taxonomic status for LLDRA6T in Providencia . Chemotaxonomic analyses for LLDRA6T show that the predominant cellular fatty acids are C16 : 0, C14 : 0 and cyclo-C17 : 0, accounting for 32.7, 16.1 and 10.3 % of total fatty acids, respectively. The polar lipids consist of phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine, four unidentified aminolipids, one unidentified phospholipid and three unidentified lipids. Within the cell wall, ribose and meso-diaminopimelic acid are the characteristic constituents for saccharides and amino acids, respectively. Respiratory quinones on cell membranes are composed of menaquinone (MK) and ubiquinone (coenzyme Q), including MK-8 (100.0 %), Q-7 (13.7 %) and Q-8 (86.3 %). Moreover, the positive results from d-lyxose and d-mannitol fermentation tests indicate that LLDRA6T is totally different from all the type strains within the genus Providencia . In summary, strain LLDRA6T represents a novel species in the genus Providencia , for which the name Providencia manganoxydans sp. nov. (type strain LLDRA6T=CCTCC AB 2021154T=KCTC 92091T) is proposed.

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Providencia thailandensis sp. nov., isolated from seafood processing wastewater

Cited by 32 publications

References 21 publications

Bacteriological and physicochemical analysis of waste water from fish ponds

Bacteriological and physicochemical analysis of waste water from fish ponds

<i>Providencia</i> in retail meats from Guangzhou, China and Osaka, Japan: prevalence, antimicrobial resistance and characterization of classes 1, 2 and 3 integrons

Providencia manganoxydans sp. nov., a Mn(II)-oxidizing bacterium isolated from heavy metal contaminated soils in Hunan Province, China

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