Name some fungi used to obtain commercial products. Which groups contain edible fungi?

1. Some fungi used to obtain commercial products include:

   • Saccharomyces cerevisiae: This is the yeast used in baking and brewing to ferment sugars. It's used to make bread, beer, and wine.

   • Penicillium chrysogenum: This is the fungus used to produce the antibiotic penicillin.

   • Aspergillus niger: This fungus is used to produce citric acid, a common food preservative and flavor enhancer.

   • Trichoderma reesei: This fungus is used to produce cellulase, an enzyme used in the production of biofuels and in the textile industry.

2. The groups that contain edible fungi include:

   • Basidiomycota: This group includes many of the most familiar types of mushrooms, including button mushrooms (Agaricus bisporus), shiitake mushrooms (Lentinula edodes), and oyster mushrooms (Pleurotus ostreatus).

   • Ascomycota: This group includes morels (Morchella spp.) and truffles (Tuber spp.), which are highly prized in gourmet cooking.

   • Zygomycota: This group includes the fungi used to make tempeh, a traditional Indonesian food made from fermented soybeans.

Remember, while many fungi are edible and beneficial, there are also many that are poisonous. Always be sure to properly identify any wild mushrooms before consuming them.