Case presentation a 32yearold caucasian woman with metastatic breast cancer presented to a hospital emergency department with bilateral radiationinduced pleural effusions and respiratory failure. In vitro activities of cefepime and cefpirome against 96 isolates of chryseobacterium indologenes and 21 of c. We found disagreement in relation to the identification of c. Chryseobacterium indologenes is a nonfermentative gramnegative bacillus formerly belonging to the flavobacterium genus. A case of healthcare associated pneumonia caused by. Unforeseeable presentation of chryseobacterium indologenes. It can colonize hospital environment due to ability to survive in chlorinetreated water supplies. It is possible that physicians may encounter this pathogenic microorganism in hospital environment such as mechanical. Challenges in the identification of chryseobacterium. The organism causes infections mostly in hospitalised patients with severe underlying diseases. This is the first case to our knowledge, of chryseobacterium indologenes bacteremia in a previously healthy infant. We report the seventh case of chryseobacterium indologenes occurring in the united states of america.
The genus contains more than 100 described species from diverse habitats, including freshwater sources, soil, marine fish, and human hosts. Chryseobacteria are pathogens resistant to the usual empiric treatments for neonatal or infantile septicemia. An emerging infection in the usa article pdf available in bmj case reports 2016. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. 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. Chryseobacterium indologenes is a gramnegative, aerobic, nonfermenting, nonmotile, catalase, oxidase, and indole positive bacillus. Chryseobacterium is a genus of gramnegative bacteria. Early neonatal meningitis with nonfermenting gram negative bacilli nfgnb is rare, and whenever it occurrs, inanimate environment is usually implicated as the source. It is known to cause meningitis in neonates and premature infants. In hospital environments, they have been recovered from water systems and humid surfaces. Department of microbial, 7 biochemical and food biotechnology, university of the free state, bloemfontein. Chryseobacterium indologenes is a rare human pathogen. List the appropriate media for cultivation of the organisms listed, particularly e. Identify the normal habitat and the routes of transmission for the organisms.
In these patients, wound infections and cellulitis are the. Based on sequencing results of partial 16s rrna gene, isolates shared 99% identities e value 2e 50 with the 16s rrna sequence of c. Chryseobacterium species are a rarely reported cause of meningitis in neonates, but treatment can be difficult as drug resistance is common. Incision and drainage was done and pus was sent for culture and. Most infections have been detected in hospitalized patients with severe underlying diseases who had indwelling devices. However, bacteria show great similarity among each other, considering that they used to be part of the same. Download fulltext pdf chryseobacterium indologenes. Endocarditis due to chryseobacterium meningosepticum k bomb, a arora, n trehan abstract chryseobacterium meningosepticum is a gram negative rod widely distributed in nature. Chryseobacterium indologenes colonies bacteria in photos.
Clinical and microbiological characteristics of chryseobacterium indologenes bacteremia december 2010 journal of microbiology, immunology, and infection wei mian yu. Antimicrobial susceptibility and epidemiology of a. Fifty isolates 24 chryseobacterium meningosepticum, 20 chryseobacterium indologenes, two. The natural habitats of chryseobacterium are soil, plants, foodstuff, and water sources, including those in hospitals. Chryseobacterium indologenes septicemia in an infant. Clinical and microbiological characteristics of chryseobacterium indologenes bacteremia. The genus chryseobacterium was originally proposed and validly published by vandamme et al. All lower taxonomy nodes 1 common name isynonym iother names i atcc 29897 ccug 14483 ccug 14556 cdc 3716 cip 101026 more. It is an emerging species, least frequently reported from pediatric age group and known to. Most infections have been detected in hospitalized patients with severe underlying diseases who had indwelling devices implanted.
Chryseobacterium indologenes pneumonia case presentation. Chryseobacterium definition of chryseobacterium by. 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. Chryseobacterium indologenes bacteremia in an infant. The choice of an effective drug for the treatment of infections due to c. Pdf chryseobacterium indologenes, a possible emergent. Overall, cefepime was more active than cefpirome against c. The genus contains more than 100 described species from diverse habitats, including freshwater sources, soil, marine fish, and. Nursing homeassociated infections and antibiotic resistant pathogens constitute common and serious problems in the geriatric population. Chryseobacterium wikispecies, free species directory. Download fulltext pdf download fulltext pdf download fulltext pdf chryseobacterium indologenes septicemia in an infant article pdf available july 2014 with 580 reads.
We present a case of ventilatorassociated pneumonia caused by c. Chryseobacterium species are chemoorganotrophic, rod shape gramnegative bacteria. Chryseobacterium indologenes infection in a newborn. Chryseobacterium, sphingobacterium, and similar organisms. Chryseobacterium indologenes pneumonia case presentation 1. 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. 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. Limited data are available on chryseobacterium spp. A 32yearold caucasian woman with metastatic breast cancer presented to a hospital emergency department with. Chryseobacterium form typical yelloworange color colonies due to flexirubintype pigment. Draft 1 1 comparison of the growth kinetics and proteolytic activities of 2 chryseobacterium species and pseudomonas fluorescens 3 4 a. Chryseobacterium indologenes is a rare cause of infection in children. Pli 2 and aeromonas hydrophila in the kidney of diseased pacu, piaractus brachypomus is reported chryseobacterium sp. Colonies of chryseobacterium indologenes are deep yellow due to the production of the waterinsoluble pigment flexirubin. Reported infections include bacteremia, pneumonia, meningitis, myositis, keratitis, and indwelling devices.
Chryseobacterium indologenes are aerobic, gram negative, nonfermentative rods that are intrinsically multidrug resistant. Describe the general characteristics of the organisms discussed in this chapter. 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. Susceptibilities of chryseobacterium indologenes and. Text is available under the creative commons attributionsharealike license. Chryseobacterium species is gramnegative bacillus widely distributed in soil and water. 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. This pdf is available for free download from a site hosted by medknow publications. Neonatal meningitis and sepsis by chryseobacterium. Chryseobacterium species are a rare cause of human disease and are usually associated with indwelling devices or altered immune status. Pdf chryseobacterium indologenes bacteremia in an infant. Chryseobacteria can also colonize patients via contaminated medical devices such as respirators, intubation tubes. Urinary tract infection by chryseobacterium indologenes. Pdf chryseobacterium indologenes septicemia in an infant.
Bragg, of microbial, biochemical and food biotechnology, university of the free state, for his help with the disinfectant part of the study. Chryseobacterium indologenes is an uncommon human pathogen. Chryseobacterium indologenes is a pathogen of american bullfrogs lithobates catesbeianus and humans. Chryseobacterium indologenes, a possible emergent organism resistant to carbapenem antimicrobials after stem cell transplantation. Chryseobacterium indologenes is a gramnegative and nonmotile bacteria from the genus of chryseobacterium which has been isolated from a human. Chryseobacterium indologenes, a nonmotile gramnegative rod, though widely distributed in nature, is an uncommon human pathogen. Elizabethkingia, chryseobacterium and myroides species. We report for the first time a case of community acquired chryseobacterium indologenes soft tissue infection in an immunocompetent patient. Chryseobacterium indologenes is nonmotile, oxidase, and indole positive gramnegative aerobic bacilli which is widely found in plants, soil, foodstuffs, and water. Flavobacteriaceae formerly flavobacterium indologenes, c. Chapter 24 chryseobacterium, sphingobacterium, and similar organisms objectives 1. It is likely that the establishment of an infection requires the presence of the following factors.
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