The Bacteriologic Flora in Seborrheic Dermatitis11

Pachtman, Elliott A; Vicher, E. E.; Brunner, Matthew J.

doi:10.1038/jid.1954.55

Cited by 38 publications

(12 citation statements)

References 17 publications

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“…Both methods overcome the problem of bacterial clustering, which in the case of staphylococci can lead to underestimations by a factor of 20 or more. Despite the often-cited work of Evans et al (1950) and Pachtman et al (1954), we confirm the view that aerobic organisms greatly outnumber strict anaerobes, except in sebum-rich areas, where Corynebacterium acnes is prevalent.…”

Section: Bacterial Populationsupporting

confidence: 54%

Skin Bacteria and Skin Disinfection Reconsidered

Selwyn¹,

Ellis²

1972

BMJ

238

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SummaryLarge discrepancies in the available data on skin microbiology stimulated investigations of the number, interactions, and location of commensals and the true efficiency of disinfection by using skin biopsy, culture of frozen sections, and other methods.Most current procedures were less than 0 5% as sensitive as the biopsy method described. This gave mean bacterial counts ranging from 4,400/cm2 on the breast to 400,000/cm2 in the axillae. An iodine preparation removed 95% of accessible organisms, but about 20% of bacteria were protected by follicles, crevices, and lipids. Commensals in over 20% of people produced antibiotics against a wide range of pathogens. Conversely, "satellitism" was demonstrable in 12% of people.

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Section: Bacterial Populationsupporting

confidence: 54%

Skin Bacteria and Skin Disinfection Reconsidered

Selwyn¹,

Ellis²

1972

BMJ

238

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“…It consists of pressing a glass cylinder containing 2 mL of brain-heart broth firmly against the skin and then scraping this encircled area 20 times with a sterile wood scraper. The brain-heart broth with the scrapings is then aspirated (6). There have been many adaptations and modifications to the technique since its introduction.…”

Section: Abrasion Techniquesmentioning

confidence: 99%

Sampling the stratum corneum for toxic chemicals

Coman¹,

Blickenstaff²,

Blattner³

et al. 2014

Reviews on Environmental Health

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“…When swabs are taken of human skin and scalp, large numbers of bacteria, mainly micrococci, can be cultivated (Pachtman, Vicker & Brunner, 1954). There are two main mechanisms whereby bacteria are eliminated from the skin surface, namely dehydration and the germicidal activity of unsaturated fatty acids secreted in the sebum.…”

Section: Introductionmentioning

confidence: 99%

Lack of Swelling and Shrinking of Pityrosporum ovale in Media of Different Osmotic Pressures and its Relationship with Survival in the Relatively Dry Conditions of the Scalp

Brotherton

1967

Journal of General Microbiology

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SUMMARYPityrosporum ovale did not show the normal swelling and shrinking such as is undergone by Saccharomyces cerevisiae in media of different osmotic pressures. Pityrosporum ovale shrank slightly in media below 0.33 osmolar and remained at constant volume between 0.33 and 3-4 osmolar, while S. cerevisiae swelled below 0-10 osmolar and shrank markedly and progressively from 0.33 to 3-4 osmolar. The resistance of P. ovale to this effect is believed to be associated with its survival on the scalp in an environment low in water and high in salt from sweat, and to be a property of the remarkable construction of its cell wall as revealed by electron microscopy.

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The Bacteriologic Flora in Seborrheic Dermatitis11

Cited by 38 publications

References 17 publications

Skin Bacteria and Skin Disinfection Reconsidered

Skin Bacteria and Skin Disinfection Reconsidered

Sampling the stratum corneum for toxic chemicals

Lack of Swelling and Shrinking of Pityrosporum ovale in Media of Different Osmotic Pressures and its Relationship with Survival in the Relatively Dry Conditions of the Scalp

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