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Zvyšování konkurenceschopnosti studentů oboru botanika a učitelství biologie
CZ.1.07/2.2.00/15.0316
© 2011 B. Mieslerová, A. Lebeda, (KB PřF UP v Olomouci)
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GENERAL MYCOLOGY
Prof. Ing. Aleš Lebeda, DrSc.RNDr. Barbora Mieslerová, Ph.D.
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LIST OF RECOMMENDED LITERATURE
Alexopoulos, C.J., Mims, C.W., Blackwell, M.: Introductory Mycology. John Wiley & Sons, New York, 1996.
Deacon, J.W.: Modern Mycology. Blackwell Science Ltd., Oxford,
1997.
http://helios.bto.ed.ac.uk/bto/FungalBiology/
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Carlile, M.J., Watkinson, S.C., Gooday, G.W.: The fungi. Academic Press, San Diego, 2001.
Dix, N.J., Webster, J.: Fungal Ecology. Chapman & Hall, London, 1995.
Griffin, D.H.: Fungal Physiology. Willey-Liss, New York, 1994. Gryndler, M. (eds.):
Mykorhizní symbióza. Academia, 2004.
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Isaac, S.: Fungal-Plant Interactions, Kluwer Academic Publishers, 1991. Kavanagh, K. (ed.):
Fungi. Biology and Applications. John Wiley & Sons, 2005.
Kalina, T., Váňa, J.: Sinice, řasy, houby, mechorosty a podobné organismy v současné biologii. Praha, Karolinum 2005,
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Klán, J.: Co víme o houbách. SPN Praha, 1989
Ingold, C.T., Hudson, H.J. (1996): The biology of fungi. Chapman & Hall, London, UK.
Kendrick, B. 1992. The Fifth Kingdom, 2nd edition. Mycologue Publications, Waterloo, Ontario, Canada.
http://www.mycolog.com/fifthtoc.html
Váňa, J.: Systém a vývoj hub a houbových organismů. UK, Praha, 1996.
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JOURNALS
In the Czech Republic
Česká mykologie Czech Mycology
ČVSMMykologické listy
ČVSM
Mykologický sborník
ČMS
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MYCOTAXON
Order dept. Mycotaxon, USA
JOURNALS
MYCOLOGICAL RESEARCH
Elsevier ScienceThe Netherlands
MYCOLOGIA
APT Press
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MYCOLOGIST
Elsevier ScienceThe Netherlands
FIELD MYCOLOGY
Elsevier ScienceThe Netherlands
FUNGAL GENETICS AND BIOLOGY
Elsevier
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FUNGAL CHARACTERIZATIONNutrition: Heterotrophic (photosynthesis lacking) and absorptive (ingestion rare), exceptionally fagocytosis.
Thallus: Plasmodial, amoeboid or pseudoplasmodial Unicellular or philamentous (mycelial, septate or nonseptate) Nonmotile but motile states (zoosporas) may occur
Cell wall: Well-defined, typicaly chitinised (cellulose in Oomycota), periplast (Myxomycota). Nuclear status: Eukaryotic, multinucleate, the mycelium being homo- or heterokaryotic, haploid, dikaryotic, or diploid, the last being usually of limited duration.Life cycle: Simple to complex.Sexuality: Asexual or sexual and homo- or heterothallic.Sporocarps: Microscopic or macroscopic and showing limited tissue differentiation.Habitat: Ubiquitous as saprofytes, symbionts, parasites or hyperparasitesDistribution: Cosmopolitan
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Whittaker´s scheme (1969)
CLASSIFICATION OF ORGANISMS
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Classifications of all cellular organisms into three domains EUKARYA, BACTERIA and ARCHAEA (Cavalier-Smith, 1998).
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Suffixes used to denote taxonomic ranks of fungal taxa
Rank suffix
Division (Phylum) - mycota
Subdivision (Subphylum) - mycotina
Class - mycetes
Subclass - mycetidae
Order - ales
Family - aceae
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SYSTEM OF FUNGI
Corliss, 1994; Cavalier-Smith 1995
Kingdom: PROTOZOA Amoeboid or plasmodial organisms naked in somatic stage, flagella without mastigonemata, able to ingest particulate food
Phylum: MYXOMYCOTA Amoeboid organisms or grow as a network of plasmodium, that engulfs bacteria, and then form fruiting bodies that release spores
Phylum : PLASMODIOPHOROMYCOTAObligate intracellular parasites of plantae, algae and fungi, exist as naked plasmodia in the host cells; form highly persistent thick-walled resting spores.
Fuligo septica
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Kingdom: CHROMISTA (STRAMENOPILA)One cell or hyphae organisms with cellulose-based walls and biochemical features resembling those of plants. Flagella with mastigonemata, nutrition exclusively absorptivePhylum : LABYRINTHULOMYCOTA
Phylum : OOMYCOTAHyphae aseptate; asexual reproduction by formation of motile, biflagellate zoospores in a sporangium; sexual reproduction by fusion of male sex organ (antheridium) and female sex organ (oogonium), leading to production of thick-walled resting spores (oospores)
Phylum : HYPHOCHYTRIOMYCOTAPseudoperonospora cubensis
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Kingdom: FUNGI One cell or hyphae organisms with cell-wall containing chitin, flagella (only in chytrids) without mastigonemata, nutrition exclusively absorptive
Phylum : CHYTRIDIOMYCOTAUnicellular, or primitive chain of cells, sexual reproduction by fusion of motile gametes; asexual reproduction: sporangium with uniflagellate zoospores
Synchytrium endobioticum
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Phylum : EUMYCOTAHyphae or yeasts; absence of motile spores
Subphylum: ZygomycotinaAseptate hyphae, sexual reproduction by fusion of sex organs (gametangia) leading to thick-walled resting spores (zygospores); asexual reproduction: sporangium producing non-motile spores.
Rhizopus nigricans
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Subphylum: AscomycotinaHyphae with cross-wall (septa) or yeast, sexual reproduction by fusion of antheridium or spermatium with trichogyne on ascogon leading to development of an ascus with ascospores, asexual reproduction: conidias
Subphylum: BasidiomycotinaHyphae (with dolipore septum) or yeasts; asexual spores rare in most groups; sexual reproduction by fusion of compatible hyphae, leading ultimately to production of basidiospores on basidia, sometimes on or in large fruiting body
Morchella esculenta
Boletus edulis
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Subphylum: DeuteromycotinaHyphae (with septa) or yeasts; sexual reproduction absent, rare or unknown; asexual spores (conidia) formed in various ways
Septoria apii
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Important differences between the Oomycota and true fungiOomycota True fungi
Zoospores Biflagellate; one smooth and one with mastigonemata
Uniflagellate; one smooth in the Chytridiomycota
Lysine biosynthesis Via diaminopimelic acid
Via α-aminoadipic acid
Mitochondria Cristae tubular Cristae plate-likeWall polysaccharides
Cellulose present; chitin also in some species
No cellulose; chitin usually present
Wall proteins Hydroxyproline present
Proline present
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Features of the main groups of fungi
Group: Perforate septae +/-
Asexual sporulation:
Sexual sporulation:
‘Lower fungi’ :
Zygomycotina - non-motile sporangiospores
zygospore
Chytridiomycotina - motile zoospores oospore
‘Higher fungi’ :
Ascomycotina + conidiospores ascospore
Basidiomycotina + rare basidiospore
Deuteromycotina + conidiospores none
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Other systems I.
Gaumann, 1950-1960
Archimycetes – organisms without cell wall in trophic stage
Phycomycetes – place of karyogamy and meiosis is zygota
- with zoospores (chytridiomycetes, oomycetes, plasmodiophoromycetes, hyphochytridiomycetes)
- without zoospores (zygomycetes, trichomycetes)
Ascomycetes – place of karyogamy and meiosis is ascus
Basidiomycetes – place of karyogamy and meiosis is basidie
heterobasidiomycetes, homobasidiomycetes
Deuteromycetes – only asexual stage
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Other systems II.
Alexopulos, 1966
LOWER FUNGI
Myxomycetes
Phycomycetes ChytridiomycetesOomycetes Zygomycetes
HIGHER FUNGI
Ascomycetes HemiascomycetesEuascomycetes
Deuteromycetes
Basidiomycetes Homobasidiomycetes Heterobasidiomycetes
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Other systems III. Arx, Kreisel, 1969; Webster 1970; Ainsworth 1973Myxomycota (Acrasiomycetes, Myxomycetes,
Plasmodiophoromycetes, Labyrinthulomycetes, Trichomycetes)
ChytridiomycotaOomycota Eumycota Zygomycetes
EndomycetesAscomycetes (Protoascomycetidae,
Ascohymenomycetidae, Ascoloculomycetidae)
DeuteromycetesBasidiomycetes (Holobasidiomycetidae
Phragmobasidiomycetidae)
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Other systems IV.
Hawksworth, Kirk, Pergler, Sutton & Ainsworth, 1994
Myxomycota Dictyosteliomycetes Myxomycetes Plasmodiophoromycetes
Eumycota Mastigomycotina Oomycetes Chytridiomycetes
Zygomycotina
Ascomycotina
Basidiomycotina BasidiomycetesUstomycetesTeliomycetes
Deuteromycotina CoelomycetesHyphomycetes
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Other systems V. Cavalier-Smith, 1998
3. DOMAIN: EUKARYA1. KINGDOM: PROTOZOA Acrasiomycota
MyxomycotaPlasmodiophoromycota
2. KINGDOM: CHROMISTA (STRAMENOPILA) LabyrinthulomycotaOomycota (Peronosporomycota) Hyphochytriomycota
3. KINGDOM: FUNGI ChytridiomycotaMicrosporidiomycota ZygomycotaAscomycota Basidiomycota
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FOSSIL RECORDS ABOUR FUNGI The origin of the fungi appears to be very ancient They first appear in the fossil record coincidentally with the appearance of the land plants. Cambrium, Ordovician (500-350 mil) - Marine Oomycota and Chytridiomycota associated with algae and free livingSilurian (350-300 mil) - Septate fungi in association with plants and cyanobacteriaDevonian (300-250 mil) - Lignolytic fungi, Zygomycotina and Basidiomycotina Carboniferous (250-200 mil) - Basidiomycotina on woody plant residues Permian, Triassic (200- 150 mil) - Ectomycorrhizas formed with Basidiomycotina, Polyporales well established Jurassic, Cretaceous (75-150 mil) - Ascomycotina increasingly evident Tertiary (10-75 mil) - Development of ericoid endomycorrhiza with Ascomycotina and possibly some Deuteromycotina and Basidiomycotina
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Period Age (x 106)
Major features of plant life in relation to fungi
Possible features of fungi
Tertiary 10-75 Modern flora established Development of ericoid endomycorrhiza with Ascomycotina and possibly some Deuteromycotina and Basidiomycotina
Cretaceous 75-100 Conifers dominant, appearance of Pinus spp. and potentially mycorrhizal Angiosperms
Ascomycotina increasingly evident
Jurassic 130-140 Luxuriant conifer and fern forests Ectomycorrhizas formed with Basidiomycotina, Polyporales well established
Triassic 160-180 Conifers
Permian 190-200 ConifersCarboniferous
200-250 Early Gymnosperms Basidiomycotina on woody plant residues
Devonian 250-300 Vascular plants, rhynia Lignolytic fungi, Zygomycotina and Basidiomycotina
Silurian 300-350 Evidence for lichenized algae, a bryophyte-like land flora and emergence of vascular plants
Septate fungi in association with plants and cyanobacteria
Ordovician 425Cambrian 500 Marine Oomycota and Chytridiomycota
associated with algae and free living
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MODEL OF RELATIONSHIPS BETWEEN THE THREE MODES OF FUNGAL NUTRITION
Biotrophs – fungi must obtain nutrition from living material (plant, animal)
Necrotrophs - fungi occur on living material, but must kill part of tissue for obtaining nutrition (toxins)
Saprotrophs - fungi living on dead material
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Econutritional groups of fungi according to nutritional mode and ecological behaviour
Obligate biotrophs (OB) No capacity for saprotrophy or necrotrophyHemibiotrophs (HB) Initially biotrophic but then becoming necrotrophic,
saprotrophic potential as for obligate necrotrophsFacultatively saprotrophic hemibiotrophs (FSH)
Initially biotrophic but then becoming necrotrophic, a final saprotrophic phase then occurs
Obligate necrotrophs (ON) Normally necrotrophic, any saprophitic ability severely limited or restricted to survival in dead tissues
Facultatively saprotrophicnecrotrophs (FSN)
Normally necrotrophic with ability to become saprotrophic
Facultatively necrotrophicsaprotrophs (FNS)
Normally saprotrophic with ability to become necrotrophic
Obligate saprotrophs (OS) No capacity for necrotrophy or biotrophyFacultatively biotrophic saprotrophs (FBS)
Normally saprotrophic with some ability to become biotrophic
Facultatively saprotrophicbiotrophs (FSB)
Normally biotrophic with some ability to become saprotrophic
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Concepts in fungal nutrition
Nutritional behaviour
Saprotrophic Necrotrophic Biotrophic
Ecological behaviour
Obligate Saprophytic
+ - -
FacultativeSymbiotic
+ + +
Obligate Symbiotic
- + +
+ = combination is creating parasitic form- = non-parasitic form
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1. OBLIGATE BIOTROPHYCommon features: Intracellular penetration by cells or haustoria Invagination of plasmalemma and following perforation Ektoparasites (Erysiphales), endoparasites (Peronosporales) Hypersensitivity Host nucleus is living Host specialization Complicated or impossible cultivation in axenic culture
Examples: Plasmodiophora brassicae(Plasmodiophoromycota), Synchytrium endobioticum (Chytridiomycota), Peronosporales (Oomycota), Erysiphales, Taphrinales (Ascomycotina), Pucciniales, Ustilaginales, Tilletiales(Basidiomycotina) Blumeria graminis
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2. HEMIBIOTROPHY
Form between necrotrophy and biotrophy Cultivation in axenic culture possible Highly reduced saprotrophic existence
Examples: Venturia inaequalis, Rhynchosporium secalis, Phytophthora infestans
Venturia inaequalisPhytophthora infestans
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3. FACULTATIVELY SAPROTROPHIC HEMIBIOTROPHY
Crinipellis perniciosa(Basidiomycotina, obligate parazite of cacao)
Form between biotrophy, necrotrophy and saprotrophy Cultivation in axenic culture possible Highly specific parasites Frequently occurring in 2 different forms : monokaryotic mycelium (biotrophic) and dikaryotic mycelium (saprotrophic)
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4. OBLIGATE NECROTROPHY
Not good developed ability for saprotrophic existence, time limited Persistence in death host tissues (mycelium, sclerotia, rhizomophs) Broad spectrum of hosts, diseases of fruits, leaves, stems and rootsNo problems with cultivation in axenic culture
Armillaria mellea, Václavka obecná
Sclerotinia sp.Hlízenka
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5. FACULTATIVELY SAPROTROPHIC NECROTROPHS
6. FACULTATIVELY NECROTROPHIC SAPROTROPHS Ability of saproprophic and necrotrophic nutrition In contact with living host plant they are changing for necrotrophyAfter depletion of nutrition, persistence on death organic substrates, Broad spectrum of hosts, diseases of fruits and tubers No problems with cultivation in axenic culture
Examples : Aspergillus, Penicillium (Ascomycotina)
Rhizopus (Zygomycotina)
Rhizoctonia, Botrytis (Deuteromycotina) Penicillium, Aspergillus
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7. OBLIGATE SAPROTROPHY No ability of necrotophy or biotrophy
Possibility of obtaining of nutrients from decomposition of sugars as well as more complicated compounds (cellulose, chitin, keratin)
Onygena equina Panaeolus on cattle dung
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8. FACULTATIVELY SAPROTROPHIC BIOTROPHY
9. FACULTATIVELY BIOTROPHIC SAPROTROPHS
Ability of biotrophic and necrotrophic nutrition Frequently linked with occurrence of two different forms of pathogen: monokaryotic mycelium (saprotrofic phase) and dikaryotic mycelium (biotrofic phase) Highly specific parasites
Examples:
Hemiascomycetes Taphrinales(Ascomycotina),
Taphrina deformans