The choice of an effective drug for the treatment of infections due to c. Some species cause opportunistic infections in severely immunosuppressed people. The newly classified and renamed elizabethkingia, chryseobacterium and myroides genera were originally included among the different species that belong to the genus flavobacterium. Chryseobacterium indologenes is a pathogen of american bullfrogs lithobates catesbeianus and humans. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Chryseobacterium form typical yelloworange color colonies due to flexirubintype pigment. The genus chryseobacterium was originally proposed and validly published by vandamme et al.
Most infections have been detected in hospitalized patients with severe underlying diseases who had indwelling devices. Elizabethkingia, chryseobacterium and myroides species. Draft 1 1 comparison of the growth kinetics and proteolytic activities of 2 chryseobacterium species and pseudomonas fluorescens 3 4 a. Urinary tract infection by chryseobacterium indologenes. Chryseobacterium indologenes is a nonfermentative gramnegative bacillus formerly belonging to the flavobacterium genus. Susceptibilities of chryseobacterium indologenes and. Typically thought of as an organism of low virulence, it may cause serious infections, particularly among the immunocompromised. In vitro activities of cefepime and cefpirome against 96 isolates of chryseobacterium indologenes and 21 of c. Chryseobacterium indologenes is a gramnegative, aerobic, nonfermenting, nonmotile, catalase, oxidase, and indole positive bacillus.
Chryseobacterium indologenes septicemia in an infant. Myroides odoratus and chryseobacterium indologenes. Chryseobacterium indologenes are aerobic, gram negative, nonfermentative rods that are intrinsically multidrug resistant. Ventilatorassociated pneumonia caused by chryseobacterium. Incision and drainage was done and pus was sent for culture and. Chryseobacterium indologenes, a possible emergent organism resistant to carbapenem antimicrobials after stem cell transplantation. This case report describes the management of presumed meningitis using ciprofloxacin and imipenem in a preterm neonate with renal dysfunction and blood cultures positive for chryseobacterium indologenes. Two rare isolates in the immunocompromised r deepa 1, kg venkatesh 1, j durdana parveen 2, s thasneem banu 3, g jayalakshmi 4 1 assistant professor institute of microbiology, madras medical college and rajiv gandhi government general hospital, chennai, tamil nadu, india 2 postgraduate, institute of. Unforeseeable presentation of chryseobacterium indologenes. We present a case of ventilatorassociated pneumonia caused by c. Chryseobacterium indologenes is a gramnegative and nonmotile bacteria from the genus of chryseobacterium which has been isolated from a human.
Based on sequencing results of partial 16s rrna gene, isolates shared 99% identities e value 2e 50 with the 16s rrna sequence of c. Limited data are available on chryseobacterium spp. Chryseobacterium indologenes pneumonia case presentation 1. Identify the normal habitat and the routes of transmission for the organisms. The natural habitats of chryseobacterium are soil, plants, foodstuff, and water sources, including those in hospitals. Chryseobacterium, sphingobacterium, and similar organisms. Download fulltext pdf chryseobacterium indologenes. List the appropriate media for cultivation of the organisms listed, particularly e. Clinical and microbiological characteristics of chryseobacterium indologenes bacteremia. Text is available under the creative commons attributionsharealike license.
Antimicrobial susceptibility and epidemiology of a. Chryseobacterium indologenes is a rare human pathogen. Pdf chryseobacterium indologenes septicemia in an infant. All lower taxonomy nodes 1 common name isynonym iother names i atcc 29897 ccug 14483 ccug 14556 cdc 3716 cip 101026 more. Chryseobacterium wikispecies, free species directory. Chryseobacterium species are a rarely reported cause of meningitis in neonates, but treatment can be difficult as drug resistance is common. Chryseobacterium indologenes, a nonmotile gramnegative rod, though widely distributed in nature, is an uncommon human pathogen. A case of healthcare associated pneumonia caused by.
Chryseobacterium definition of chryseobacterium by. Chryseobacterium species are chemoorganotrophic, rod shape gramnegative bacteria. It is widely distributed in environmental sources including water, soil and plants omar et al. It is possible that physicians may encounter this pathogenic microorganism in hospital environment such as mechanical. Challenges in the identification of chryseobacterium. An emerging infection in the usa article pdf available in bmj case reports 2016. Chryseobacterium is a genus of gramnegative bacteria. Chryseobacterium indologenes infection in a newborn. Pdf chryseobacterium indologenes, a possible emergent. Bragg, of microbial, biochemical and food biotechnology, university of the free state, for his help with the disinfectant part of the study. Nursing homeassociated infections and antibiotic resistant pathogens constitute common and serious problems in the geriatric population. Chryseobacterium indologenes in a woman with metastatic. Pdf chryseobacterium indologenes bacteremia in an infant. Most infections have been detected in hospitalized patients with severe underlying diseases who had indwelling devices implanted.
Chryseobacterium indologenes bacteremia in an infant. In hospital environments, they have been recovered from water systems and humid surfaces. Chryseobacterium indologenes colonies bacteria in photos. Chryseobacterium species are a rare cause of human disease and are usually associated with indwelling devices or altered immune status. Department of microbial, 7 biochemical and food biotechnology, university of the free state, bloemfontein. Fifty isolates 24 chryseobacterium meningosepticum, 20 chryseobacterium indologenes, two. We report the seventh case of chryseobacterium indologenes occurring in the united states of america. Endocarditis due to chryseobacterium meningosepticum k bomb, a arora, n trehan abstract chryseobacterium meningosepticum is a gram negative rod widely distributed in nature. However, bacteria show great similarity among each other, considering that they used to be part of the same.
It is known to cause meningitis in neonates and premature infants. Chryseobacterium indologenes is nonmotile, oxidase, and indole positive gramnegative aerobic bacilli which is widely found in plants, soil, foodstuffs, and water. Neonatal meningitis and sepsis by chryseobacterium. Reported infections include bacteremia, pneumonia, meningitis, myositis, keratitis, and indwelling devices. This is the first case to our knowledge, of chryseobacterium indologenes bacteremia in a previously healthy infant.
It is an emerging species, least frequently reported from pediatric age group and known to. The organism causes infections mostly in hospitalised patients with severe underlying diseases. Chryseobacteria can also colonize patients via contaminated medical devices such as respirators, intubation tubes. It is likely that the establishment of an infection requires the presence of the following factors.
Flavobacteriaceae formerly flavobacterium indologenes, c. Chryseobacterium indologenes a novel root nodule endophyte in vigna radiata archana dhole, harsha shelat and deepak panpatte anand agricultural university, anand, gujarat, india388110, india corresponding author a b s t r a c t bp. Based on fatty acid methyl ester analysis, isolates were found to share similarities with c. We report for the first time a case of community acquired chryseobacterium indologenes soft tissue infection in an immunocompetent patient. Download fulltext pdf download fulltext pdf download fulltext pdf chryseobacterium indologenes septicemia in an infant article pdf available july 2014 with 580 reads. A 11 year female child, from southasia of indian origin presented with fever, pain and swelling in right leg for 3 days with no significant past history. The genus flavobacterium was created in 1923 for a group of nonspore forming, aerobic gram negative rods, with the ability to produce yellow pigmented colonies. Case presentation a 32yearold caucasian woman with metastatic breast cancer presented to a hospital emergency department with bilateral radiationinduced pleural effusions and respiratory failure. Chryseobacterium species is gramnegative bacillus widely distributed in soil and water. Early neonatal meningitis with nonfermenting gram negative bacilli nfgnb is rare, and whenever it occurrs, inanimate environment is usually implicated as the source. In these patients, wound infections and cellulitis are the. Chryseobacterium indologenes is an uncommon human pathogen. The authors report a case of neonatal meningitis and sepsis with chryseobacterium indologenes, a rare non fermenting gram negative bacterium with unusual antimicrobial susceptibility. Pli 2 and aeromonas hydrophila in the kidney of diseased pacu, piaractus brachypomus is reported chryseobacterium sp.
Chryseobacterium indologenes is a rare cause of infection in children. Chapter 24 chryseobacterium, sphingobacterium, and similar organisms objectives 1. Flavobacterium meningosepticum, cdc group iia bacteriology a bacterium of soil, water, plants, foods, hospital waterincubators, tap water, hemodialysis systems, pharmaceuticals mode of transmission uncertain, but probably linked to contaminated medical devices and fluids. Colonies of chryseobacterium indologenes are deep yellow due to the production of the waterinsoluble pigment flexirubin.
This pdf is available for free download from a site hosted by medknow publications. A 32yearold caucasian woman with metastatic breast cancer presented to a hospital emergency department with. Chryseobacteria are pathogens resistant to the usual empiric treatments for neonatal or infantile septicemia. The genus contains more than 100 described species from diverse habitats, including freshwater sources, soil, marine fish, and.
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