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標題Title: Introductory mycology
作者Authors: 李健明
上傳單位Department: 通識教育中心
上傳時間Date: 2015-12-11
上傳者Author: 李健明
審核單位Department: 通識教育中心
審核老師Teacher: 李健明
檔案類型Categories: 教學檔Teaching Material
關鍵詞Keyword: Fungus, mushroom, yeast, penicillin
摘要Abstract: Fungi are a unique kingdom of living things. Except yeasts, they are multicellular, having complex cells which contain nucleus and organelles. Characteristically, their cell wall is made of chitin. They don’t have chlorophylls to make their food from the sun via photosynthesis; instead, they decompose organic materials including trees, absorbing nutrients using hyphae, and hyphae group together to form mycelium. We call these living things heterotrophs. Fungi, also called molds, are eukaryotic, meaning they have two sets of genetic information; by contrast, bacteria have only one set, without a unique nucleus. You must know that edible mushrooms are delicious; they are fruit body of fungi.
Fungi play a critical role in nutrient cycling and exchange in our environment. They are tremendously beneficial to human beings. Mushrooms and truffles have long been used as a direct source of food. We have long used yeasts to make breads and beer, used other fungi to make wine, soy sauce. In 1940s, the first antibiotic penicillin was first mass produced using fungus Penicillium. Unfortunately, fungi can cause various diseases of plants, crops, animals, and human. These fungal infections causing food spoilage have impacted on human life.

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