HHS Vulnerability Disclosure, Help In contrast to S. putrefaciens, S. algae produces mucoid colonies with beta-hemolysis on sheep blood agar, grows at 42 degrees C and in NaCl 6%, and reduces nitrite [5]. It is most commonly thought of as a contaminant along with other bacteria or as a saprophyte, surviving with other organisms on previously damaged tissues in the body. Clinical significans Clinical significance unknown. the following information is not yet verified Shewanella putrefaciens 1. Bethesda, MD 20894, Web Policies coli Wild-type E. coli used in all experiments was cultured in the LB medium. Shewanella are Gram negative, motile rods with positive oxidase and catalase reactions. Shewanella putrefaciens is a gram-negative, nonfermentative, oxidase positive, motile bacillus that produces hydrogen sulphide. Similar results were reported by Cr reducing Pseudomonas species 43. The patient developed pneumonia evidently caused by S. putrefaciens, after near drowning in sea water. Shewanella putrefaciens is a gram-negative, non-fermentative, oxidase positive, motile bacillus that produces hydrogen sulphide. Menu. 117121, 2012. Is often found in mixed cultures. The most recent case review study was performed nearly seven years ago by Cabi et al. MeSH It is widely distributed in nature; its natural habitats are water and soil ( 11 ). The pneumonia resolved after treatment with cefepime. Dias C, Borges A, Oliveira D, Martinez-Murcia A, Saavedra MJ, Simes M. PeerJ. It is found widely in the nature especially in marine. Durdu B, Durdu Y, Gle N, Islim F, Bier M. Am J Health Syst Pharm. The infections described most commonly involve ears, skin and soft tissue, with or without bacteraemia. Clipboard, Search History, and several other advanced features are temporarily unavailable. Shewanella putrefaciens is een Gram negatieve staaf uit de familie Shewanellaceae. 8600 Rockville Pike Durdu B, Durdu Y, Gle N, Islim F, Bier M. A rare cause of pneumonia: Shewanella putrefaciens . Some species within it were formerly classed as Alteromonas. HHS Vulnerability Disclosure, Help Respiratory colonization with the possibility of infection has been identified in rare cases from isolates cultured from sputum and pleura and transthoracic needle aspiration cultures [2]. The https:// ensures that you are connecting to the -, Tucker C, Baroso G, Tan P. Ventilator-associated pneumonia due to Shewanella putrefaciens . Respiration. Is the indoor environment making you sick? citrase, L- Asparginase, protease, oxidase and catalase and it was confirmed by the strain developed a clear zone in respective media. J Ind Microbiol Biotechnol. An aerobic, oxidase-positive, gram-negative bacillus that produces a reddish-tan or pink pigmented colony. It is classified as an Achromobacter and later named by MacDonell and Colwell in 1985 (McNair). 67, no. F rom its discovery in 1931 and definition in medical literature in 1973, few cases of the uranium-reducing bacteria Shewanella putrefaciens have been described. . The infection from S. putrefaciens most commonly involves skin and soft tissue associated with damage to skin (trauma, cut, ulcer) and otitis media. Shewanella putrefaciens is a Gram-negative, non-fermentative, oxidase-positive, motile bacillus, which can generate hydrogen sulphide and is widely distributed in nature, especially marine environments [ 1 ]. 2004;71(2):199201. However S. algae cannot produce acid from maltose. Bulut C, Yetkin MA, Koruk ST, Erdin FS, Karako EA. +32-(0)1-658-90-45; lieven@gentaur.com; home; about us; Filters 5, pp. 2, pp. First isolation and whole-genome sequencing of a Shewanella algae strain from a swine farm in Brazil. Pneumonia associated with S. putrefaciens has been reported in 4 other cases. Elucidating Antibacterial activity and mechanism of daphnetin against Pseudomonas fluorescens and Shewanella putrefaciens. As the two species seem to have different pathogenic potential for humans, correct identification is important, and this is possible in routine clinical microbiology laboratories. It can produce a wide variety of clinical syndromes including bacteremia as well as skin and soft tissue infections. It has been isolated from the respiratory tract, wounds, urogenital tract, and feces of humans but rarely had any clinical significance. [A rare cause of nosocomial bacteremia: Sphingomonas paucimobilis]. According to his family, he was at a local beach in Long Island, NY, waist-deep in the sea, when he was witnessed to have lost consciousness following which he fell face down into the water. We present a case of 63-year-old male who was presented to emergency room status after cardiac arrest, fell into sea water face down. -, Pagani L, Lang A, Vedovelli C, et al. It is found widely in the nature especially in marine environments. It can produce a wide variety of clinical syndromes including bacteremia as well as skin and soft tissue infections [1]. Medical Microbiology and Infectious diseases, the following information is not yet verified. Shewanella putrefaciens is a gram-negative, nonfermentative, oxidase positive, motile bacillus that produces hydrogen sulphide. Journal of Clinical Microbiology. Does Indoor Air Quality Matter to Your Health. It is known to cause peritonitis and obstructive pneumonia, rupture of aortic . Shewanella putrefaciens - to show the importance of doing an oxidase test first. Accessibility J. 2010 Jun 15;67(12):1007-9. doi: 10.2146/ajhp090344. O. anthropi is a gram-negative, aerobic bacillus previously classified as CDC group Vd.O. Shewanella putrefaciens known earlier as Alteromonas putrefaciens or Pseudomonas putrefaciens is the only nonfermentative gram-negative rod that produces hydrogen sulfide [2]. It is found widely in the nature especially in marine environments. In cellulitis, otitis media, skin and soft tissue infections, peritonitis, respiratory- and urinary tract infections S. algae is most commonly isolated in humans > 80% (Note errors) and is considered to be more virulent than S. putrefaciens. official website and that any information you provide is encrypted 2017 Oct;97(4):1043-1044. doi: 10.4269/ajtmh.17-0175. doi: 10.5867/medwave.2016.10.6642. Primary bacteremia with fulminant course is also seen in immunocompromised patients. The patient was empirically started on vancomycin and piperacillin/tazobactam at this point. It can produce a wide variety o Shewanella can be recovered from a variety of water sources, natural gas and petroleum reserves, dairy products, meat, and fish. This means Shewanella infections occur in warm climates or during warm summers in temperate climates. 382384, 1975. The association between a positive culture and the clinical symptoms, with the improvement in clinical picture after the initiation of treatment leaves, no doubt about pathogenic character of the isolate in this patient. No other enteropathogenic bacteria, including Vibrio cholerae, Salmonella, Vibrio parahaemolyticus, Proteus vulgaris or Staphylococcus aureus, were detected from those 8 samples. 1998 Jan-Mar;40(1):17-33. On the second hospital day, physical exam was significant for a low-grade temperature of 100.3F and 102F with bilateral coarse breath sounds and scattered rhonchi. Alves VBA, Carvalho E, Madureira PA, Marino ED, Vaz ACN, Vidal AMC, Ruiz VLA. 2 - 4 these species are a part of microflora of marine environment and exposure to marine sources is considered an important risk factor for human diseases. B. Durdu, Y. Durdu, N. Gle, F. Islim, and M. Bier, A rare cause of pneumonia: Shewanella putrefaciens, Mikrobiyoloji Blteni, vol. Referentie. government site. He grew gram-negative bacteria which were later on the 3rd day identified as Shewanella putrefaciens by Biomerieux API 20 NE technique. S. algae is most commonly isolated in humans > 80% (Note errors) and is considered to be more virulent than S. putrefaciens Gram stain Culture characteristics The site is secure. She had a low-grade fever, chills, and swelling, erythema, and tenderness in her left leg. [Opportunistic infections caused by Shewanella, new emergent bacteria]. Privacy Policy, Copyright 2022 by EDLab | All Rights Reserved, Aspergillosis A Secondary Complication in COVID-19, EDLab First Accredited Environmental Coronavirus Testing Facility, Socio-Environmental Impact of Coronavirus on World Economics, The Mobile Laboratory: A New Approach in Environmental Diagnostics, Indoor Air Quality Challenges During the Winter, Air Quality Testing with the Spore Trap Method. These facultative anaerobic bacteria can use a wide range of electron acceptors and are . Shewanella putrefaciens is a gram-negative, nonfermentative, oxidase positive, motile bacillus that produces hydrogen sulphide. It showed high specificity to formic acid and NAD + and extreme sensitivity to O 2 as a NAD +-dependent oxidase. Soft tissue infection and bacteremia caused by Shewanella putrefaciens . 24 hours following treatment the patients fever abated and he showed significant clinical improvement. Please enable it to take advantage of the complete set of features! In some very rare cases Shewanella putrefaciens can be a human pathogen. Clinical significans Clinical significance unknown. In our study, Shewanella putrefaciens was isolated from freshwater animals exhibiting ocular lesions, skin ulcer, and septicemia together with Aeromonas species. It is found widely in the nature especially in marine environments. American Journal of Clinical Pathology. The patient has had brochiectasis since childhood and has used periodical antibiotic therapies due to pneumoniae episodes. and transmitted securely. are found throughout the world, mainly in marine environments. Disclaimer, National Library of Medicine 347352, 2005. We present two cases of pulmonary and bloodstream infections caused by two rare Shewanella spp . the first description of the species was provided in 1931 by derby and hammer [4] initially, the shewanella alga was misidentified as shewanella putrefaciens by most researchers; it was not until 1980, when gillardy [5] recognized three biovars and cdc recognized two biotypes based on carbohydrate oxidation and growth on ss agar and nutrient agar However, pneumonia due to S. putrefaciens is rare; there are a total of 4 reported cases in the literature. Chain of Custody Form [A rare cause of pneumonia: Shewanella putrefaciens]. Shewanella putrefaciens was cultured with three replications in 500 ml of MZM (22 ppt), 9 ppt MZM and 32 ppt MZM at 25 and 30C for 7 days. - S. algae is always hemolytic (after 48-72 hours), it can be mucoid - S. putrefaciens, is usually not- haemolytic and not mucoid McConkey growth, non lactose fermenter BBA no growth Warning As the two species seem to have different potential for humans, correct identification is important. Gram-stained smear of endotracheal aspirate yielded gram-negative bacteria, and the isolate grown from endotracheal aspirate culture was identified as S. putrefaciens by Biomerieux API 20 NE technique. Important differential characteristics between the two species include the ability of S. algae to produce mucoid colonies with beta-hemolysis on sheep blood agar, to grow at 42 degrees C and in NaCl 6%w/v, and to reduce nitrite and an inability to produce acid from maltose, all in contrast to the characteristics of S. putrefaciens [6]. Ventilator-associated pneumonia due to Shewanella putrefaciens. - S.putrefaciens isolated from fish, chicken, meat, fresh and saltwater. algae is found in warm Marine environments throughout the world, and is isolated from seawater with 15-20ppt salinity [6].. Shewanella algae is of interest because of its potential to be a serious human pathogen. . The pneumonia resolved after treatment with cefepime. Patients pneumonia improved with treatment with cefepime. Gram-stained smear of sputum yielded abundant leucocytes and gram-negative bacteria, and the isolate grown in the sputum culture was identified as S.putrefaciens by conventional methods and API 20 NE (BioMerieux, France) system. The patient was discharged with complete cure after 14 days of therapy. The .gov means its official. S. L. Rosenthal, J. H. Zuger, and E. Apollo, Respiratory colonization with Pseudomonas putrefaciens after near drowning in salt water, American Journal of Clinical Pathology, vol. Specialized Blood cultures were done on a day when the patient spiked and 5 days after initial blood culture, all blood cultures were negative. 3, 4 it can also be found on other sources has striking resemblance not only to those in E. coli fumarate reductase 15 and l-aspartate oxidase (LASPO) 16, . The mechanism of S. putrefaciens biofilm formation is not yet described. Shewanella species are widely distributed in diverse environments due to their flexible respiration. Achternaam. Members of Shewanella species are opportunistic pathogens that are found in marine environments.
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