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What is the easiest way to determine if a colony is yeast? Is...

 Mar 21, 2012
protocol Protocol: Spot Assay for Yeast
What is the easiest way to determine if a colony is yeast? Is there a simple test kit that you know of?

Thank you
Chandra
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Muhammad Sameeullah Answered Sep 16, 2013

Institute of Plant Science and Resources

How to concentrate yeast culture from OD600=0.70 to 1.0? please suggest easiest way. thanks.
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Bio-protocol Editorial Office Author Answered Mar 22, 2012

Bio-protocol

You can determine if the colony is yeast or bacteria by looking at the color and shape of the colony. Bacteria colony is usually yellowish and the shape is smooth.

You can also use a pipette tip to touch the colony, drop it into water and transfer some to a microscope slide. Observe the colony under light microscope. Bacteria is much smaller than yeast. E.Coli is rod shape. Budding yeast has buds.
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