Biomedical subjects

P A Jaquess

Publications and source records attributed to P A Jaquess.

4 recordsLinked to original sources

PubMed1981

Enhanced growth of Mycobacterium tuberculosis in the presence of selenium.

The present investigation found that the rate of growth of Mycobacterium tuberculosis was enhanced in the presence of sodium selenate. Stock cultures of M. tuberculosis streaked onto media containing sodium selenate showed visible colonies within three days, compared with 12 days on media without selenate. The optimum concentration for enhancement by sodium selenate was found to be 5 microgram/ml.

Bacteriological Techniques↗

PubMed1980

Enhanced growth of Legionella pneumophila in the presence of selenium.

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Bacteria↗

PubMed1980

Antibiotic-induced filament formation of Legionella pneumophila.

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Ampicillin↗

PubMed1980

Selenium-enriched medium for Legionella pneumophila.

We found that sodium selenate added to F-G cysteine iron agar enhanced the growth of Legionella pneumophila (Philadelphia 1 strain), with visible colonies at 18 h of incubation. The optimum enhancement of growth was found to occur at a concentration of 5 to 10 microgram of selenium per ml as sodium selenate; enhanced growth, up to 22 times the number of colonies on F-G cysteine iron agar without selenate, was observed at 36 h.

Agar↗