I'm growing some yeast cultures to test certain enzyme activity. Recently I always got contamination in my yeast cultures, seen as big white clumps in the liquid cultures
<a href="http://news.webshots.com/photo/2529854620103365543DDRSuf"><img src="http://inlinethumb26.webshots.com/49177/2529854620103365543S425x425Q85.jpg" alt="2012.06.01 Yeast C"></a>,
<a href="http://news.webshots.com/photo/2856770470103365543AZDQhl"><img src="http://inlinethumb16.webshots.com/8271/2856770470103365543S425x425Q85.jpg" alt="2012.05.14 Yeast D 1"></a>.
I tried to make the cultures from the new streak plates, autoclaved carefully all my medium, glassware, toothpicks....but the contamination was still there. Has anybody here ever encountered this problem before? Could you give me some tips to identify the contamination?
Thanks a bunch!
Edited by petenl2004, 01 June 2012 - 01:31 AM.