WBA Specialized Lectures - Siebel Institute of Technology
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Yeast and Cellars

Yeast Morphology

Learn more about yeast.


Yeast, Growth, Division, Aging, Taxonomy, Morphology, Structure, Budding, Scars


What are yeast? How are yeasts being classified? What are the essential properties of brewing yeasts? How do they grow? Those are some of the questions that will be answered in this lecture. Furthermore the yeast cellular morphology is discussed as well as their intracellular components and corresponding specific roles.

Learning Objectives

  • Name brewing yeast species
  • Describe growth and cell division in brewing yeast
  • Realize the impact of yeast aging on brewing
  • Describe brewing yeast morphology and sub-cellular structures

Lecture developed by

Dr. Graeme Walker

Graeme Walker completed his PhD in Microbial Physiology at Heriot-Watt University and has a DSc from Abertay University, Dundee, Scotland. Graeme is currently Professor of Zymology at the Abertay University where he leads a yeast research group. Prior to joining Abertay in 1987, he held positions in Denmark (Carlsberg Foundation), New Zealand (Otago University) and Ireland (Dublin City University). He also acts as Scientific Director at the Ethanol Technology Institute, and as a consultant for international brewing, distilling, yeast biotechnology and biofuel companies. He is a Fellow of the Institute of Brewing & Distilling and a member of the faculty and guest lecturer at the Siebel Institute of Technology/World Brewing Academy covering topics in the areas of yeast and fermentation. Graeme has published numerous articles as well as textbooks such as Yeast Physiology & Biotechnology and Bioethanol.

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Enroll options

Lecture Duration (Narration)
63 minutes

Lecture Availability
10 days from purchase

Lecture Level


Lecture Duration
63 minutes

Lecture Availability
10 days from purchase



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