Test method for the laboratory diagnosis of Gonorrhea and test strain of neisseria gonorrhoeae
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United States of America Patent
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May 1, 1984
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N/A
app pub date -
Oct 30, 1981
filing date -
Oct 30, 1981
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Abstract
A strain of Neisseria gonorrhoeae ATCC 31953 is described which is abnormal in that it has characteristically poor growth on chocolate agar at a temperature range of about 30.degree. C. to about 37.degree. C. in a CO.sub.2 atmosphere suitable for growth of N. gonorrhoeae. This strain is resistant to nalidixic acid at the 5-10 mcg/ml level and resistant to streptomycin at the 1000 mcg/ml level or greater. N. gonorrhoeae ATCC 31953 is a test strain suitable for use in the method described for the laboratory diagnosis of gonorrhea. The method comprises the steps of (1) applying a non-toxic preparation of a patient's specimen material, directly to a culture of Neisseria gonorrhoeae ATCC 31953, which has abnormal growth characteristics, which is in or on a biological medium suitable for growth of normal Neisseria gonorrhoeae, and observing for the restoration of normal growth to the abnormal growth strain Neisseria gonorrhorae ATCC 31953, in or on the biological medium of step (1), under conditions normal for growth of Neisseria gonorrhoeae. The observence of growth indicates positive detection of N. gonorrhoeae DNA.
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