Comparison between the yeast flora of Middle Eastern and Western European soft drinks

Sand, F. E. M. J.; Grinsven, A. M. van

doi:10.1007/bf00410183

Cited by 14 publications

(2 citation statements)

References 7 publications

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“…We recently observed an outbreak of one of these non-C. albicans species, P. anomala, during routine microbiologic workup of our septic pediatric patients. P. anomala (anamorph Candida pelliculosa) is a free-living environmental yeast, rarely isolated from humans, which grows well in a high-sugar-containing medium (15).…”

Section: Discussionmentioning

confidence: 99%

Outbreak of Pichia anomala Infection in the Pediatric Service of a Tertiary-Care Center in Northern India

Chakrabarti¹,

Singh²,

Narang³

et al. 2001

J Clin Microbiol

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An outbreak of nosocomial fungemia due to the unusual yeast, Pichia anomala occurred in the pediatric wards of our hospital over a period of 23 months (April 1996 to February 1998). A total of 379 neonates and children (4.2% admissions) were infected. The probable index case was admitted to the pediatric emergency ward, with subsequent transmission to the premature nursery, pediatric intensive care units, and other children wards. Carriage on the hands of health care personnel was likely to be responsible for dissemination of the fungus. The outbreak could only be controlled after a health education campaign to improve hand-washing practices was instituted and after nystatin-fluconazole prophylaxis to all premature neonates and high-risk infants was introduced. In a case-control study, we identified a lower gestational age, a very low birth weight (<1,500 g), and a longer duration of hospital stay as significant risk factors associated with P. anomala fungemia in premature neonates. We conducted a culture prevalence survey of 50 consecutive premature neonates and found that 28% were colonized with P. anomala at a skin or mucosal site on the date of delivery and that 20% of these neonates subsequently developed P. anomala fungemia. We performed multilocus enzyme electrophoresis on 40 P. anomala outbreak isolates (including patient and health care workers' hand isolates), and the results suggested that these isolates were identical. Our study highlights the importance of P. anomala as an emerging nosocomial fungal pathogen.Deep-seated fungal infections are important causes of morbidity and mortality in hospitalized patients (1, 2, 5, 13). Disseminated candidiasis is the most common nosocomial fungal infection, and Candida albicans has been reported to account for 50% to more than 70% cases of invasive candidiasis (2,5,6,8). However, recent reports have also suggested the emergence of infections caused by non-C. albicans candidas (3,14,21). In addition, less-common pathogenic yeasts (Malassezia, Trichosporon, Hansenula, and Rhodotorula spp.) have recently been reported, with increased frequency, as causes of nosocomial infections (7).Although a rare clinical isolate, the ascosporogenous yeast, Pichia anomala (formerly Hansenula anomala) has been implicated in causing fungemia in a neonatal intensive care unit (10), interstitial lung disease (19), endocarditis (12), and enteritis (9). In addition, there have been two reports of nosocomial outbreaks due to P. anomala: one in a Neonatal Intensive Care Unit in Liverpool, United Kingdom (10), and the other in an oncology hospital in Brazil (18). We describe here an outbreak of invasive P. anomala infection in the pediatric wards of our medical center that occurred during April 1996 to February 1998, with an attack rate of 4.2%. MATERIALS AND METHODSEpidemiologic investigation. The Nehru Hospital, affiliated with the Postgraduate Institute of Medical Education and Research, Chandigarh, India, is a 1,200-bed tertiary adult and pediatric referral center. The pediatric depa...

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Section: Discussionmentioning

confidence: 99%

Outbreak of Pichia anomala Infection in the Pediatric Service of a Tertiary-Care Center in Northern India

Chakrabarti¹,

Singh²,

Narang³

et al. 2001

J Clin Microbiol

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“…This yeast cannot ferment sucrose but, like 2. bailii, displays a high degree of resistance to preservatives. In contrast, 2. mellis has less frequently been reported to cause spoilage (Sand & van Grimsven, 1976), though this is perhaps due more to the fact that, until recently, this yeast was regarded as a synonym of 2. rouxii (Barnett et al, 1990). Indeed, it was only through a nuclear (n) DNA-nDNA hybridization study of the Zygosaccharomyces that Kurtzman (1990) established this yeast as a genetically distinct species, a finding later confirmed by small-subunit rRNA sequencing (James et al, 1994).…”

Section: Introductionmentioning

confidence: 99%

Zygosaccharomyces lentus sp. nov., a new member of the yeast genus Zygosaccharomyces Barker

Steels

Bond

Collins

et al. 1999

International Journal of Systematic and Evolutionary Microbiology

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Unusual growth characteristics of a spoilage yeast, originally isolated from spoiled whole-orange drink and previously identified as Zygosaccharomyces bailii, prompted careful re-examination of its taxonomic position. Smallsubunit rRNA gene sequences were determined for this strain and for four other strains also originally described as 2. bailii but which, in contrast to other strains of this species, grew poorly or not a t all under aerobic conditions with agitation, failed to grow in the presence of 1 YO acetic acid and failed to grow a t 30 "C. Comparative sequence analysis revealed that these strains represented a phylogenetically distinct taxon closely related to, but distinct from, Z. bailii and Zygosaccharomyces bisponrs. Furthermore, sequence analysis of the internal transcribed spacer (ITS) region showed that, while all five strains had identical ITS2 sequences, they could be subdivided into two groups based on ITS1 sequences. Despite such minor inter-strain sequence variation, these yeasts could readily be distinguished from all other currently described Zygosaccharomyces species by using ITS sequences. On the basis of the phylogenetic results presented, a new species comprising the five strains, Zygosaccharomyces lentus sp. nov., is described and supporting physiological data are discussed, including a demonstration that growth of this species is particularly sensitive to the presence of oxygen. The type strain of Z. lentus is NCYC D2627T. ~~ ~

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Hansenula anomala: a new fungal pathogen. Two case reports and a review of the literature

Klein

Tortora²,

Malowitz³

et al. 1988

Archives of Internal Medicine

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Comparison between the yeast flora of Middle Eastern and Western European soft drinks

Cited by 14 publications

References 7 publications

Outbreak of Pichia anomala Infection in the Pediatric Service of a Tertiary-Care Center in Northern India

Outbreak of Pichia anomala Infection in the Pediatric Service of a Tertiary-Care Center in Northern India

Zygosaccharomyces lentus sp. nov., a new member of the yeast genus Zygosaccharomyces Barker

Hansenula anomala: a new fungal pathogen. Two case reports and a review of the literature

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