CHERRY AM FRASER

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As part of a bioassay approach to investigate ovarian development and function, primary cell cultures were derived from Penaeus monodon ovaries at various stages of maturation. These cultures were established in modified Grace's or modified 2x L-15 media. Various supplements including growth factors, vitamins and minerals were trailed. Four morphologically(More)
Definitive diagnosis of Johne's disease in ruminants depends on confirming the presence of the causative bacterium, Mycobacterium avium subsp. paratuberculosis, in tissues of the host. This is readily achieved in most ruminant species by culture. However, culture of clinical specimens from sheep in many countries has been unrewarding. Such a culture from(More)
A study of the morphotypes of 446 strains of Candida albicans, isolated from a variety of clinical specimens, is reported. The method was based on a morphotyping scheme that has recently been described, but not all of the potential characters were used in this analysis. By this limited code, 50 different morphotypes were distinguished, the largest group(More)
Colonization of patients and nursing staff on an intensive care unit by Candida albicans was studied over a 4-month period. Multiple swabs and samples were taken from patients and their nurses on 12 occasions during the study period. During this study there were no obvious clinically relevant candidal infections. Patients yielded C. albicans from at least(More)
Strains of Candida albicans can be differentiated by the morphological features of streak colonies developed on malt agar. A morphotyping system is proposed, where numerical codes are assigned primarily on the basis of the nature and extent of marginal fringing and the surface topography of the streak colony. The system allows ready differentiation to be(More)
Two tests are described for detecting antibody to the type-specific opacity factor (OF) of group A streptococci. This antibody was detected among patients convalescent from streptococcal sore throat in two communities in which outbreaks due to opacity factor-producing strains of group A streptococci occurred.In an outbreak due to streptococci of M-type 22(More)
Ninety strains of Candida albicans were isolated from vaginal swabs taken by general practitioners from cases of vaginal candidosis. One hundred and nine strains were also isolated from 300 specimens of faeces received from outpatients living in the same geographical area. These strains were typed using a modification of the resistotyping method. We were(More)
Four typing methods for the strain differentiation of Candida albicans (morphotyping, resistotyping, extracellular enzyme production, and carbon source assimilation reactions) were compared on a single population of 100 strains. An index of discriminatory power was used to facilitate this comparison. Extracellular enzyme production had poor discriminatory(More)