Isolating yeasts from the water of different rivers in Basra and diagnosing them using the Vitek 2 compact system

Abstract 300 pure isolates of yeast isolated from 25 rivers dating back to different rivers in Basra Governorate / Iraq were isolated and diagnosed, and the sample collection period was from April 2014 - February 2015. These isolates were identified using modern technology, which is using the Vitek 2 Compact system technology, and the genera were What was obtained is as follows: Candida , Cryptococcus, Kloekera , Rhodotorula , Stephanoascus The results showed that C. tropicalis is the most frequent among the isolated species, with a frequency rate of 36.3%, while C. lipolytica is the least frequent, recording a frequency of 0.7%. As for the sites that showed the greatest presence of yeast, the Al-Maqal 1 site recorded an appearance rate of 84%, while the Medina site recorded the lowest appearance rate of 24%. Keywords: Yeasts, Candida, frequency ratio