Saprophytes - live on dead organic matter. Summary of media and common use Water Agar (WA)--use for isolating fungi from surface-sterilized substrates. Outline the structure & reproduction of Yeast. Examples are Yeast and Mushrooms. Harmful mold and other fungi.. spread through crops and kill them. You can change your ad preferences anytime. Toxins from fungi are widely grouped into toxins from moulds ("mycotoxins") and toxins from higher fungi ("mushroom poisons"). It is achieved through the interaction of microbes with toxic wastes or contaminants, which leads to immobilization, compartmentalization and eventual concentration of pollutants. The rashes are red and itchy and can be treated by an anti-fungal cream from the doctor. So are there really helpful microorganisms? Most fungi are not dangerous, but some types can be harmful to health. Ancient peoples were familiar with the ravages of fungi in agriculture but attributed these diseases to the wrath of the gods. THE CHARACTERISTICS OF FUNGI Fungi include puffballs, yeasts, mushrooms, toadstools, rusts, smuts, ringworm, and molds The antibiotic penicillin is made by the Penicillium mold 15 Penicillium mold Puffball 16. See our Privacy Policy and User Agreement for details. Transcript: FUNGI Fungi live everywhere in the air, water, and soil Mycologists belive there are millions of species of fungi Fungi are heterotrophos obtaining their nutrients by absorbtion A heterotroph is an organism that requires organic substrates to get its carbon for growth and development. made of a tough complex sugar called chitin. Some microorganisms are not harmful, in fact, some are quite helpful (like the bacteria that is found in your gut). No public clipboards found for this slide. Name 2 Beneficial & 2 Harmful fungi. Kingdom Protista. (Class Basidiomycetes) Truffles. They are decomposers. can rot food and wood. Bacteria are microscopic organisms that form a huge invisible world around us, and within us. Mold remediation is often time-consuming and costly, and may require significant … Fungi are dependent upon enzyme systems to derive energy from organic substrates. the capacity to become multicellular organisms at They (f). Biology I Presentation FUNGI We will learn General characteristics of fungi Structure of fungi Economic Importance Pathogenicity Brief intro of some fungi THE SIX KINGDOMS Fungi are placed in a separate kingdom called the kingdom fungi OF FUNGI CHARACTERISTICS The Characteristics of Fungi Fungi are NOT plants Nonphotosynthetic Eukaryotes Nonmotile Most are saprobes (live on dead organisms) The Characteristics of Fungi Absorptive heterotrophs (digest food first & then absorb it into their bodies Release digestive enzymes to break down organic material or their host Store food energy as glycogen The Characteristics of Fungi Important decomposers & recyclers of nutrients in the environment Most are multicellular, except unicellular yeast Lack true roots, stems or leaves fungi as a decomposers The Characteristics of Fungi Cell walls are made of chitin (complex polysaccharide) Body is called the Thallus Grow as microscopic tubes or filaments called hyphae The Characteristics of Fungi Some fungi are internal or external parasites A few fungi act like predators & capture prey like roundworms The Characteristics of Fungi Some are edible, while others are poisonous The Characteristics of Fungi Produce both sexual and asexual spores Classified by their sexual reproductive structures The Characteristics of Fungi Grow best in warm, moist environments Mycology is the study of fungi Mycologists study fungi A fungicide is a chemical used to kill fungi The Characteristics of Fungi Fungi include puffballs, yeasts, mushrooms, toadstools, rusts, smuts, ringworm, and molds The antibiotic penicillin is made by the Penicillium mold FUNGI SIZE NON-REPRODUCTIVE Vegetative Structures Hyphae Tubular shape ONE continuous cell Filled with cytoplasm & nuclei Multinucleate Hard cell wall of chitin also in insect exoskeletons Hyphae Stolons – horizontal hyphae that connect groups of hyphae to each other Rhizoids – rootlike parts of hyphae that anchor the fungus Hyphae Cross-walls called SEPTA may form compartments Septa have pores for movement of cytoplasm Form network called mycelia that run through the thallus (body) Absorptive Heterotroph Fungi get carbon from organic sources Tips of Hyphae release enzymes Enzymatic breakdown of substrate Products diffuse back into hyphae Modifications of hyphae Fungi may be classified based on cell division (with or without cytokinesis) Aseptate or coenocytic (without septa) Septate (with septa) Modifications of hyphae Hyphal growth Hyphae grow from their tips Mycelium is an extensive, feeding web of hyphae Mycelia are the ecologically active bodies of fungi ASEXUAL & SEXUAL SPORES REPRODUCTIVE STRUCTURES REPRODUCTION Most fungi reproduce Asexually and Sexually by spores ASEXUAL reproduction is most common method & produces genetically identical organisms Fungi reproduce SEXUALLY when conditions are poor & nutrients. Types Of Fungi PowerPoint PPT Presentations. Fungi is the cause of mold in homes and buildings. On the basis of nutrition, kingdom fungi can be classified into 3 groups. Role of fungi in the economy ; Industrial uses of fungi - Mushrooms. They have cell-walls For this reason, fungi … Fungi are responsible for approximately two-third of the infectious plant diseases. Protists & Fungi & Plants. doc, 87 KB. Title: Intro to Fungi - PPT Last modified by: MHUSS Created Date: 1/15/2003 7:19:01 PM Document presentation format: On-screen Show Other titles: Times New Roman Arial Times 1_Bio 204 Kingdom Fungi The Characteristics of Fungi Slide 3 The Characteristics of Fungi Heterotrophic by Absorption Hyphae Hyphal growth Modifications of hyphae Fungi as Saprobes and Decomposers Fungi as … Fungi Causing Plant Diseases: Fungi … If you continue browsing the site, you agree to the use of cookies on this website. Fungal infections come in different forms, like ringworm athlete’s foot, toenail fungus, yeast infections, and jock itch. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. FUNGI SIZE 17. Most people see them as plants because they typically grow in soil and do not move around like animals in the search for food; supermarkets sell edible mushrooms such as white mushrooms and shiitake. Fungus - Fungus - Mycorrhiza: Among symbiotic fungi, those that enter into mycorrhizal relationships and those that enter into relationships with algae to form lichens (see below Form and function of lichens) are probably the best-known. Identify and state functions for the following structures: … Saprophytic – The fungi obtain their nutrition by feeding on dead organic substances. 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