General Congress (ICY) and Specialised Symposium (ISSY) with ICY involvement:

The International Commission on Yeasts has organized many meetings since 1964.

Click here for a full overview of the ICY meetings since 1964..

Meetings since 2014:


The 31st International Specialised Symposium on Yeast (ISSY31) was held at Nova Gorica and Vipava, Slovenia, from October 9 to 12, 2014, including approximately 260 attendees with about 150 presentations. This symposium was organized by Dr. Jure Piškur (Wine Research Centre, University of Nova Gorica, Vipava, Slovenia; Lund University, Lund, Sweden), who sadly, will only be present at this symposium in spirit, passed way, and Dr. Uroš Petrovič (University of Ljubljana, Slovenia). The title of ISSY31 was “Yeast Fermentations: form Genes to Applications Aspects”. This symposium was dedicated to yeast fermentations, from the basic concepts to the applications, and from the aspects of biodiversity and evolution to genetic regulation.


The 32nd International Specialised Symposium on Yeast (ISSY32) was held at Hotel Giò-Prugia Congress Centre, Perugia, Italy, from September 13 to 17, 2015, including approximately 260 attendees with nearly 70 oral and 160 poster presentations. This symposium was organized by Dr. Pietro Buzzini (University of Perugia). The title of ISSY32 was “Yeast Biodiversity and Biotechnology in the Twenty-First Centry”. Yeasts are one of the most relevant microbial groups in both traditional fermentation and biotechnological innovative applications. However, their manifest ubiquity in the Earth’s biosphere is balanced by their diversity, specificity for habitats. This symposium was designed to provide an overview on the latest research developments on yeast ecology physiology, taxonomy, food and non-food biotechnology, genetic and genomic.


The 14th International Congress on Yeasts (ICY14) was held at Awaji Yumebutai International Conference Center (Awaji, Hyogo) in Japan from September 11 to 15, 2016. This congress was organized by Dr. Hiroshi Takagi (Nara Institute of Science and Technology, Nara, Japan). The main slogan of ICY14 was “Yeasts for Global Happiness”, which enabled us to acknowledge the high-potential usefulness of yeasts contributing to the global happiness in terms of food/beverage, health/medicine, and energy/environment industries, as well as to basic biosciences. Since it was the first ICY meeting held in Japan or other Asian countries, ICY14 provided a good opportunity to widely spread the great achievements by Japanese and Asian yeast researchers, such as those by the 2016 Nobel Laureate Dr. Yoshinori Ohsumi, and also, to convey the fun and importance of yeasts to the next generation of researchers from Asia and all over the world. A total of 426 “yeast lovers” from 42 countries (225 overseas and 201 domestic participants) with different generations attended ICY14 to share the latest knowledge of a wide range of yeast research fields and to join active and constructive scientific discussions. The main body of ICY14 consisted of “1 Keynote & 11 Plenary Lectures”, “Concurrent 10 Sessions and 5 Workshops” including about 160 oral presentations and “Poster Session” with nearly 250 presentations.


The 33rd International Specialised Symposium on Yeast (ISSY33) was held at University College Cork, Cork, Ireland, from June 26 to 29, 2017, including nearly 300 attendees with 50 oral and 150 poster presentations. This symposium was organized by Dr. John Morrissey (University College Cork, Cork, Island). The title of ISSY33 was “Exploring and Engineering Yeasts for Industrial Application”, which covered the basic physiology and metabolism of industrial yeast strains. This symposium also considers the potential to exploit the natural biodiversity of yeasts to select or create new strains for applications with new genetic tools and approaches for reprogramming pathways to produce novel compounds in “yeast cell factories”.


The International Conference on Non-conventional Yeasts (2018 NCY) was held at Rzeszow University, Rzeszów, Poland, from May 15 to 18, 2018, including nearly 150 attendees with 55 oral and 61 poster presentations. This symposium was organized by Dr. Andriy Sibirny (Institute of Cell Biology National Academy of Sciences of Ukraine, Lviv, Ukraine). The title of 2018 NCY was “Non-conventional Yeasts: from Basic Research to Application”, which covered many topics of basic and applied research for a variety of non-Saccharomyces yeast species with peculiar properties and unique metabolic processes, such as the capacity to metabolize unusual substrates or accumulate unusual products, to be discussed during the meeting which has 8 sessions (Genomics, Transcriptomics, Proteomics, and Systems Biology; Taxonomy, Evolution, and Ecology; Sensing, Signaling, Stress Response and Membrane Transport; Yeast Cell Biology; Yeast Biochemistry, Physiology, and Genetics; Yeasts for Food, Chemicals and Heterologous Proteins; Non-conventional Yeasts for Biofuels; Tools, Host Design, Analytical and Other Application).

The 34th International Specialized Symposium on Yeasts (ISSY34) and its related workshop regarding brewing yeast was held in Bariloche, Patagonia, Argentina, on October 1-4, 2018, including about 290 attendees with 65 oral and 187 poster presentations. This symposium was organized by Dr. Diego Libkind (Instituto Andino Patagónico de Tecnologias Biológicas y Geoambientales, Bariloche, Argentina), under the auspices of ICY. The title of ISSY34 was “Yeast Odyssey: from Nature to Industry”, which covers Ecology and Biodiversity of yeasts, Bioprospection of extremophilic yeasts, Yeasts in food and beverage, Evolutionary genomics and domestication of yeasts, Industrial applications of non-conventional yeasts, Yeast Taxonomy and Systematics (Workshop in memory of Dr. Cletus Kurtzman), Yeasts in biorefineries, Natural variation and applied opportunities, Genetic and metabolic improvement of yeasts.


The 35th International Specialized Symposium on Yeasts (ISSY35) was held in Antalya, Turkey, on October 21-25, 2019, organized by Dr. Huseyin Erten (Faculty of Agriculture, Cukurova University, Turkey), under the auspices of ICY. The title of ISSY35 was “Yeast Cornucopia: Yeast for health and wellbeing”, which encompasses the use of yeasts in fermented foods and beverages, the role of spoilage yeasts and their control, yeasts as sources of ingredients and additives, yeasts as biocontrol agents, yeast taxonomy, ecology and biodiversity, yeasts in health and probiotics, and yeast genetics and genomics (about 150 attendees with 60 oral and 72 poster presentations).See


In 2020, we had scheduled the 15th International Congress on Yeasts (ICY15) held in Vienna, Austria, on August 22-26, 2020, organized by Dr. Diethard Mattanovich (University of Natural Resources and Life Sciences, Vienna, Austria). However, due to the unprecedented situation around the novel coronavirus (COVID-19) outbreak, we decided to postpone ICY15 by one year, to August 23-27, 2021. ICY15 was successfully held online attending about 600 scientists with 6 plenary lectures, 150 oral and 250 poster presentations. The subtitle of the joint virtual event with ICY15 and the 30th Conference on Yeast Genetics and Molecular Biology (ICYGMB 30) was “The Spirits of Yeast” that covered a wide variety of latest research for all yeast species (conventional. Non-conventional, laboratory, pathogenic, industrial yeasts) from basic science to biotechnology, including genetics, molecular biology, biochemistry, physiology, taxonomy, ecology, biodiversity, health science, metabolic engineering, synthetic biology and systems biology etc. See also

The new schedule for the upcoming and future ICY/ISSY meetings is as follows:

ISSY36 held in Vancouver (Canada) on July 12-16, 2022, organized by Dr. Vivien Measday

ISSY37 held in Adelaide (Australia) on July 2023, organized by Dr. Vladimir Jiranek

ICY16 held in Cape Town (South Africa) on summer? 2024, organized by Dr. Florian Bauer

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