Volume 47, Issue 7 pp. 310-314

Prevalence, serotypes and mating patterns of Cryptococcus neoformans in the pellets of different avifauna in Madras, India

S. Gokulshankar

S. Gokulshankar

Department of Microbiology, The New College, Madras

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S. Ranganathan

S. Ranganathan

Department of Microbiology, The New College, Madras

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M. S. Ranjith

M. S. Ranjith

Department of Microbiology, The New College, Madras

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A. J. A. Ranjithsingh

A. J. A. Ranjithsingh

Department of Biology, Sri Paramakalyani College, Alwarkurichi, India

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First published: 12 August 2004
Citations: 14
Dr S. Ranganathan, No. 21 (Old No. 6), Shivaji Street, T. Nagar, Madras 600 017, India. E-mail: [email protected]

Summary

en

A total of 887 pellets of different avifauna were screened for the presence of Cryptococcus neoformans. One hundred and six of 887 samples (12%) yielded Cr. neoformans in culture. The report on the isolation of Cr. neoformans from the pellets of the crow appears to be new and of greater significance because of the ubiquitous prevalence of this bird in India. The prevalence of both MAT a and MAT alpha mating types were recorded. The serotype D was predominant over serotype A. The findings of the present study reveal the growing diverse ecological niche of Cr. neoformans in a the pellets of various avifauna in India.

Zusammenfassung

de

In der Studie wurden 887 Kotproben der Avifauna der Region Madras, Indien, auf den Gehalt an Cryptococcus neoformans untersucht. Aus 12% der Kotproben konnte Cr. neoformans kulturell angezüchtet werden. Der Nachweis von Cr. neoformans im Kot von Krähen ist neu und erscheint epidemiologisch bedeutsam wegen des ubiquitären Vorkommens dieser Vogelart in Indien. Unter den Isolaten fanden sich beide Mating-Typen MAT a und MAT alpha. Der Serotyp D wurde häufiger gefunden als der Serotyp A. Die Ergebnisse geben Einblick in die Bedeutung des Vogelkotes als ökologische Nische für Cr. neoformans in Indien.

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