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Fungivory or mycophagy is the process of organisms consuming fungi. Many different organisms have been recorded to gain their energy from consuming fungi, including birds, mammals, insects, amoeba, gastropods, nematodes and bacteria. Some of these, which only eat fungi are called fungivores whereas others eat fungi as only part of their diet, being omnivores.

Fungivores

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Euprenolepis procera, the only species of ant known to harvest mushrooms, feeding on a Pleurotus mushroom
A banana slug feeding on Amanita amerimuscaria

In 2008, Euprenolepis procera a species of ant from the rainforests of South East Asia was found to harvest mushrooms from the rainforest. Witte & Maschwitz found that their diet consisted almost entirely of mushrooms, representing a previously undiscovered feeding strategy in ants.[1]

  • fungus gnat - apparently spread spores
  • Collembola - springtails Sabatini, M. A.; Innocenti, G. (2001). "Effects of Collembola on plant-pathogenic fungus interactions in simple experimental systems". Biology and Fertility of Soils. 33: 62–66. doi:10.1007/s003740000290. S2CID 9273050.Shiraishi, H.; Enami, Y.; Okano, S. (2003). "Folsomia hidakana (Collembola) prevents damping-off disease in cabbage and Chinese cabbage by". Pedobiologia. 47: 33–15. doi:10.1078/0031-4056-00167.

Need verifying:

biochemical implication of insect mycophagy Martin, M. M. (1979). "Biochemical Implications of Insect Mycophagy" (PDF). Biological Reviews. 54: 1–21. doi:10.1111/j.1469-185X.1979.tb00865.x. hdl:2027.42/74412. S2CID 53589200.

JSTOR 2560065 - Lawrence 1989 ref re beetles

Gilbert's Potoroo (Potorous gilbertii)

Omnivores

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Birds

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Jays (Perisoreus) are believed to be the first birds in which mycophagy was recorded. Canada jays (P. canadensis), Siberian jays (P. infaustus) and Oregon jays (P. obscurus) have all been recorded to eat mushrooms, with the stomachs of Siberian jays containing mostly fungi in the early winter. The ascomycete, Phaeangium lefebvrei found in north Africa and the Middle East is eaten by migrating birds in winter and early spring, mainly be species of lark (Alaudidae). Bedouin hunters have been reported to use P. lefebvrei as bait in traps to attract birds.[2]

Fungi are known to form an important part of the diet of the southern cassowary (Casuarius casuarius) of Australia. Bracket fungi have been found in their droppings throughout the year, and Simpson in the Australasian Mycological Newsletter suggested it is likely they also eat species of Agaricales and Pezizales but these have not been found in their droppings since they disintegrate when they are eaten. Emus (Dromaius novaehollandiae) will eat immature Lycoperdon and Bovista fungi if presented to them as will brush turkeys (Alectura lathami) if offered Mycena, suggesting that species of Megapodiidae may feed opportunistically on mushrooms.[3]

Mammals

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  • Sherratt, T.; Wilkinson, D.; Bain, R. (2005). "Explaining Dioscorides' "double difference": why are some mushrooms poisonous, and do they signal their unprofitability?". The American Naturalist. 166 (6): 767–775. doi:10.1086/497399. PMID 16475091. S2CID 2071975.
  • Ramsbottom, J. (2007). "Mushrooms and Toadstools". Proceedings of the Nutrition Society. 12: 39–44. doi:10.1079/PNS19530011. S2CID 90886018.
  • Johnson, C. N. (1994). "Mycophagy and Spore Dispersal by a Rat-Kangaroo: Consumption of Ectomycorrhizal Taxa in Relation to their Abundance". Functional Ecology. 8 (4): 464–468. doi:10.2307/2390070. JSTOR 2390070.
  • McIlwee, A. P.; Johnson, C. N. (1998). "The contribution of fungus to the diets of three mycophagous marsupials in Eucalyptus forests, revealed by stable isotope analysis". Functional Ecology. 12 (2): 223. doi:10.1046/j.1365-2435.1998.00181.x.
  • Taylor, D. S.; Frank, J.; Southworth, D. (2009). "Mycophagy in Botta's Pocket Gopher (Thomomys bottae) in Southern Oregon". Northwest Science. 83 (4): 367. doi:10.3955/046.083.0408. S2CID 84318437.
  • Blaschke, H. (1989). "Mycophagy and spore dispersal by small mammals in bavarian forests". Forest Ecology and Management. 26 (4): 237–245. doi:10.1016/0378-1127(89)90084-4.

Many mammals eat fungi, but only a few feed only on fungi, most are opportunistic feeders and fungi only make up part of their diet.[4]

At least 22 species of primate, including bonobos, colobines, gorillas, lemurs, macaques, mangabeys, marmosets and vervet monkeys are known to feed on fungi. Most of these species spend less than 5% of the time they spend feeding, eating fungi and they therefore form only a small part of their diet. Some species spend longer foraging for fungi and they account for a greater part of their diet; buffy-tufted marmosets spend up to 12% of their time consuming sporocarps, Goeldi’s monkeys spend up to 63% of their time doing so and the Yunnan snub-nosed monkey spends up to 95% of its feeding time eating lichens. Fungi are comparatively very rare in tropical rainforests compared to other food sources such as fruit and leaves and they are also distributed more sparsely and appear unpredictably, making them a challenging source of food for Goeldi’s monkeys.[5]

Investigations into the digestability of fungi by rodents and marsupials reveal that they are a poor nutrient source as they contain a high percentage of structural carbohydrates, making them difficult to digest. Mammals which do not have a foregut

molluscs: JSTOR 2481011 (1939!) http://soda.sou.edu/awdata/050119y1.pdf JSTOR 3566058

http://rmbr.nus.edu.sg/nis/bulletin2008/2008nis165-169.pdf - stinkhorn insect dispersal

In Finland, eindeer eat up to 2.3 kg of lichen per day.[6] Reindeer + fly agaric.

Fungi that fruit underground are more nutritous than those that fruit above ground.[6] These fungi, known as truffles have evolved to no longer produce a stalk above ground but instead produce aromas that attract mammals, who dig them up, eat them and then disperse their spores when they defecate.[7]

Small mammals are important dispersers of VAM.[8]

http://www.mycologia.org/cgi/content/full/94/5/757 - slugs

Evolutionary aspects of mycophagy in Ariolimax columbianus and other slugs. In: Soil Biology as Related to Land Use Practices. Proceedings of the VII International Colloquium of Soil Biology. EPA-560/13- 80-038. Dindal DL, ed., pp. 616–636. Office of Pesticide and Toxic Substances, Environmental Protection Agency, Washington, DC, USA.

80% of soil microarthropods are fungivorous.[7]

Microbial

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Mycoparasitism occurs when any fungus feeds on other fungi, a form of parasitism, our knowledge of it in natural environments is very limited.[9] Syspastospora parasitica[10] Gliocephalis hyalina, Stephanoma phaeospora, Verticillium biguttatum[11]

JSTOR 3761225 fossil mycoparasites.

Hypomyces lactifluorum + whole Hypomyces genus http://www.mycologia.org/cgi/content/full/95/5/921 JSTOR 2473206

Penicillium chrysogenum causes programmed cell death in other fungi.[11]

Collybia (and others?) grow on dead mushrooms.

Bacterial mycophagy was a term coined in 2005, to describe the ability of some bacteria to "grow at the expense of living fungal hyphae". In a 2007 review in the New Phytologist this definition was adapted to only include bacteria which play an active role in gaining nutrition from fungi, excluding those that feed off passive secretions by fungi, or off dead or damaged hyphae.[11] The majority of our knowledge in this area relates to interactions between bacteria and fungi in the soil and in or around plants, little is known about interactions in marine and freshwater habitats, or those occurring on or inside animals. It is not known what affects bacterial mycophagy has on the fungal communities in nature.[11]

There are three mechanisms by which bacteria feed on fungi; they either kill fungal cells, cause them to secrete more material out of their cells or enter into the cells to feed internally and they are categorised according to these habits. Those that kill fungal cells are called nectrotrophs, the molecular mechanisms of this feeding are thought to overlap considerably with bacteria that feed on fungi after they have died naturally. Necrotrophs may kill the fungi through digesting their cell wall or by producing toxins which kill fungi, such as tolaasin produced by Pseudomonas tolaasii. Both of these mechanisms may be required since fungal cell walls are highly complex, so require many different enzymes to degarde them, and because experiments demonstrate that bacteria that produce toxins cannot always infect fungi. It is likely that these two systems act synergistically, with the toxins killing or inhibiting the fungi and exoenzymes degrading the cell wall and digesting the fungus. Examples of necrotrophs include Staphylococcus aureus which feed on Cryptococcus neoformans, Aeromonas caviae which feed on Rhizoctonia solani, Sclerotium rolfsii and Fusarium oxysporum, and some myxobacteria which feed on Cochliobolus miyabeanus and Rhizoctonia solani.[11]

Bacteria which manipulate fungi to produce more secretions which they in turn feed off are called extracellular biotrophs; many bacteria feed on fungal secretions, but do not interact directly with the fungi and these are called saprotrophs, rather than biotrophs. Extracellular biotrophs could alter fungal physiology in three ways; they alter their development, the permeability of their membranes (including the efflux of nutrients) and their metabolism. The precise signalling molecules that are used to achieve these changes are unknown, but it has been suggested that auxins (better known for their role as a plant hormone) and quorum sensing molecules may be involved. Bacteria have been identified that manipulate fungi in these ways, for example mycorhizzal helper bacteria (MHBs) and Pseudomonas putida, but it remains to be demonstrated whether the changes they make are cause are directly beneficial to the bacteria. In the case of MHBs, which increase infection of plant roots by mycorrhizal fungi, they may benefit, because the fungi gain nutrition from the plant and in turn the fungi will secrete more sugars.[11]

The third group, that enter into living fungal cells are called endocellular biotrophs. Some of these are transmitted vertically whereas others are able to actively invade and subvert fungal cells. The molecular interactions involved in these interactions are mostly unknown. Many endocellular biotrophs, for example some Burkholderia species, belong to the β-proteobacteria which also contains species which live inside the cells of mammals and amoeba. Some of them, for example Candidatus Glomeribacter gigasporarum, which colonises the spores of Gigaspora margarita, have reduced genome sizes indicating that they have become entirely dependent on the metabolic functions of the fungal cells in which they live. When all the endocellular bacteria inside G. margarita were removed, the fungus grew differently and was less fit, suggesting that some bacteria may also provide services to the fungi they live in.[11]



The Grossglockneridae family of ciliates, including the species Grossglockneria acuta, feed exclusively on fungi. G. acuta first attaches themselves to a hyphae or sporangium via a feeding tube and then a ring-shaped structure, around 2 μm in diameter is observed to appear on the fungus, possibly consisting of degraded cell wall material. G. acuta then feeds through the hole in the cell wall for, on average, 10 minutes, before detaching itself and moving away. The precise mechanism of feeding is not known, but it conceivably involves enzymes including acid phosphatases, cellulases and chitinases. Microtubules are visible in the feeding tube, as are possible reserves of cell membrane, which may be used to form food vacuoles filled with the cytoplasm of the fungus, via endocytosis, which are then transported back into G. acuta. The holes made by G. acuta bear some similarities to those made by amoeba, but unlike amoeba G. acuta never engulfs the fungus.[12]

Amoeba

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{{Biological interaction-footer}} - add fungivory to it

Insects

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Megalodacne philippinarum species, a type of pleasing fungus beetle, feeding on a fungus in the Phillipines

There is fossil evidence of insect fungivory from over 100 million years ago in the Albian period. Pieces of amber found in Ethiopia contained insect faecal matter containing fungal spores, indicating that fungi similar to Curvularia were eaten by beetles or their larvae.[13]


google books: Wheeler and Blackwell 1984

Silvia A Falqueto, Fernando Z Vaz-De-Mello and José H Schoereder (June 2005). [www.scielo.org.ar/pdf/ecoaus/v15n1/v15n1a03.pdf "Are fungivorous Scarabaeidae less specialist?"] (PDF). Ecología Austral. 15. Ecological Association of Argentina: 17–22. {{cite journal}}: Check |url= value (help)

Dorcus rectus Tanahashi, M.; Kubota, K.; Matsushita, N.; Togashi, K. (2010). "Discovery of mycangia and the associated xylose-fermenting yeasts in stag beetles (Coleoptera: Lucanidae)". Die Naturwissenschaften. 97 (3): 311–317. Bibcode:2010NW.....97..311T. doi:10.1007/s00114-009-0643-5. PMID 20107974. S2CID 2650646.

Carlos Rosa; Péter Gábor (2006). Biodiversity and ecophysiology of yeasts. シュプリンガー・ジャパン株式会社. pp. 303–. ISBN 9783540261001. Retrieved 20 January 2011.

Humans

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Nematodes

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Nematophagous fungus

Biological control

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Various fungivorous organisms are used as biological control agents to control fungi which damage plants.

Fungi

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The fungal genus, Trichoderma produces enzymes such as chitinases which degrade the cell walls of other fungi.[14] They are able to detect other fungi and grow towards them, they then bind to the hyphae of other fungi using lectins on the host fungi as a receptor, forming an appressorium. Once this is formed, Trichoderma inject toxic enzymes into the host and probably peptaibol antibiotics, which create holes in the cell wall, allowing Trichoderma to grow inside of the host and feed.[15] Trichoderma are able to digest sclerotia, durable structures which contain food reserves, which is important if they are to control pathogenic fungi in the long term.[14] Trichoderma species have been recorded as protecting crops from Botrytis cinerea, Rhizoctonia solani, Alternaria solani, Glomerella graminicola, Phytophthora capsici, Magnaporthe grisea and Colletotrichum lindemuthianum; although this protection may not be entirely due to Trichoderma digesting these fungi, but by them improving plant disease resistance indirectly.[15]


Some species of Gliocladium and Pythium are also mycoparasites.[14]

Pythium oligandrum[16]

Ampelomyces parasitise powdery mildews around the world.[9]

Bacteria

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  • De Boer, W.; Leveau, J. H. J.; Kowalchuk, G. A.; Klein Gunnewiek, P. J. A. K.; Abeln, E. C. A.; Figge, M. J.; Sjollema, K.; Janse, J. D.; Van Veen, J. A. (2004). "Collimonas fungivorans gen. Nov., sp. Nov., a chitinolytic soil bacterium with the ability to grow on living fungal hyphae". International Journal of Systematic and Evolutionary Microbiology. 54 (Pt 3): 857–864. doi:10.1099/ijs.0.02920-0. PMID 15143036.
  • Kamilova, F.; Leveau, J.; Lugtenberg, B. (2007). "Collimonas fungivorans, an unpredicted in vitro but efficient in vivo biocontrol agent for the suppression of tomato foot and root rot". Environmental Microbiology. 9 (6): 1597–1603. doi:10.1111/j.1462-2920.2007.01263.x. PMID 17504497. S2CID 25445292.


Plants

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Monotropastrum humile, a myco-heterotroph dependent on fungi throughout its lifetime

Around 90% of land plants live in symbiosis with mycorrhizal fungi,[17] where fungi gain sugars from plants and plants gain nutrients from the soil via the fungi. Some species of plant have evolved to manipulate this symbiosis, so that they no longer give fungi sugars that they produce and instead gain sugars from the fungi, a process called myco-heterotrophy. Some plants are only dependent on fungi as a source of sugars during the early stages of their development, these include most of the orchids as well as many ferns and lycopods. Others are dependent on this food source for their entire lifetime, including some orchids and Gentianaceae, and all species of Monotropaceae and Triuridaceae.[18] Those are dependent on fungi, but still photosynthesise are called mixotrophs since they gain nutrition in more than one way, by gaining a significant amount of sugars from fungi, they are able to grow in the deep shade of forests. Examples include the orchids Epipactis, Cephalanthera and Plantanthera and the Pyroleae tribe of the Ericaceae family.[17] Others, such as Monotropastrum humile, no longer photosynthesise and are totally dependent on fungi for nutrients.[18] Around 230 such species exist, and this trait is thought to have evolved independently on five occasions outside of the orchid family. Some individuals of the orchid species Cephalanthera damasonium are mixotrophs, but others do not photosynthesise.[19] Because the fungi that myco-heterotrophic plants gain sugars from in turn gain them from plants that do photosynthesise, they are considered indirect parasites of other plants.[18] The relationship between orchids and orchid mycorrhizae has been suggested to be somewhere between predation and parasitism.[19]

The precise mechanisms by which these plants gain sugars from fungi are not known and has not been demonstrated scientifically. Two pathways have been proposed; they may either degrade fungal biomass, particularly the fungal hyphae which penetrate plant cells in a similar manner to in arbuscular mycorrhizae, or absorb sugars from the fungi by disrupting their cell membranes, through mass flow. To prevent the sugars returning to the fungi, they must compartmentalise the sugars or convert them into forms which the fungi cannot use.[18]


Dispersal

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For Phaeangium lefebvrei, being eaten by birds would appear to be a highly effective means of dispersal, since the birds may move considerable distances before depositing the spores.[2]

Fungal farming

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Insects

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Three insect lineages, the beetles, ants and termites, independently evolved the ability to farm fungi between 40 and 60 million years ago. In a similar way to the way that human societies became more complex after the development of plant-based agriculture, the same occurred in these insect lineages when they evolved this ability and these insects are now of major importance in ecosystems.[20] The methods that insects use to farm fungi insects share fundamental similarities with human agriculture. Firstly, insects inoculate a particular habitat or substrate with fungi, much in the same as humans plant seeds in fields. Secondly, they cultivate the fungi by regulating the growing environment to try and improve the growth of the fungus, as well as protecting it from pests and diseases. Thirdly they harvest the fungus when it is mature and feed on it. Lastly they are dependent on the fungi they grow, in the same way that humans are dependent on crops.[21]

Beetles

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Gallery of Xylosandrus crassiusculus split open, with larvae and black fungus

Ambrosia beetles, for example Austroplatypus incompertus, farm ambrosia fungi inside of trees and feed on them. The mycangia (organs which carry fungal spores) of ambrosia beetles contain various species of fungus, including species of Ambrosiomyces, Ambrosiella, Ascoidea, Ceratocystis, Dipodascus, Diplodia, Endomycopsis, Monacrosporium and Tuberculariella.[22] The ambrosia fungi are only found in the beetles and their galleries, suggesting that they and the beetles have an obligate symbiosis.[20]

Termites

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Termitomyces mushrooms growing out of a termite nest

Around 330 species of termites in twelve genera of the subfamily Macrotermitinae cultivate a specialised fungus in the Termitomyces genus. The fungus is kept in a specialised part of the nest in fungus cones. Worker termites eat plant matter, producing faecal pellets which they continuously place on top of the cone.[23] The fungus grows into this material and soon produces immature mushrooms, a rich source of protein, sugars and enzymes, which the worker termites eat. The nodules also contain indigestible asexual spores, meaning that the faecal pellets produced by the workers always contain spores of the fungus that colonise the plant material that they defaecate. The Termitomyces also fruits, forming mushrooms above ground, which mature at the same time that the first workers emerge from newly formed nests. The mushrooms produce spores that are wind dispersed, and through this method, new colonies acquire a fungal strain.[21] In some species, the genetic variation of the fungus is very low, suggesting that spores of the fungus are transmitted vertically from nest to nest, rather than from wind dispersed spores.[24]

Ants

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Around 220 described species, and more undescribed species of ants in the tribe Attini cultivate fungi. They are only found in the New World and are thought to have evolved in the Amazon Rainforest, where they are most diverse today. For these ants, farmed fungi are the only source of food on which their larvae are raised on and are also an important food for adults. Queen ants carry a small part of fungus in small pouches in their mouthparts when they leave the nest to mate, allowing them to establish a new fungus garden when they form a new nest. Different lineages cultivate fungi on different substrates, those that evolved earlier do so on a wide range of plant matter, whereas leaf cutter ants are more selective, mainly using only fresh leaves and flowers. The fungi are members of the Lepiotaceae and Pterulaceae families. Other fungi in the Escovopsis genus parasitise the gardens and antibiotic-producing bacteria also inhabit the gardens.[21]

More:Schultz, T.; Brady, S. (2008). "Major evolutionary transitions in ant agriculture". Proceedings of the National Academy of Sciences of the United States of America. 105 (14): 5435–5440. Bibcode:2008PNAS..105.5435S. doi:10.1073/pnas.0711024105. PMC 2291119. PMID 18362345.

Humans

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Gastropods

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The marine snail Littoraria irrorata, which lives in the salt marshes of the southeast of the United States feeds on fungi that it encourages to grow. It creates and maintains wounds on the grass, Spartina alterniflora which are then infected by fungi, probably of the Phaeosphaeria and Mycosphaerella genera, which are the preferred diet of the snail. They also deposit faeces on the wounds that they create, which encourage the growth of the fungi because they are rich in nitrogen and fungal hyphae. Juvenile snails raised on uninfected leaves do not grow and are more likely to die, indicating the importance of the fungi in the diet of L. irrorata.[25]

References

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  1. ^ Witte, V.; Maschwitz, U. (2008). "Mushroom harvesting ants in the tropical rain forest" (PDF). Naturwissenschaften. 95 (11): 1049–1054. Bibcode:2008NW.....95.1049W. doi:10.1007/s00114-008-0421-9. PMID 18633583. S2CID 19228479.
  2. ^ a b J. A. Simpson (2000). "More on mycophagous birds" (PDF). Australasian Mycologist. Retrieved 2010-09-23.
  3. ^ J. A. Simpson (September 1998). "Why don't birds eat more fungi?" (PDF). Australasian Mycological Newsletter. Retrieved 2010-09-23.
  4. ^ Steven L. Stephenson (21 April 2010). The Kingdom Fungi: The Biology of Mushrooms, Molds, and Lichens. Timber Press. pp. 200–. ISBN 9780881928914. Retrieved 10 February 2011.
  5. ^ Hanson, A. M.; Hodge, K. T.; Porter, L. M. (2003). "Mycophagy among Primates". Mycologist. 17: 6–10. doi:10.1017/S0269915X0300106X.
  6. ^ a b J. Dighton; Ebooks Corporation (14 May 2003). Fungi in Ecosystem Processes. CRC Press. pp. 175–. ISBN 9780824755256. Retrieved 10 February 2011.
  7. ^ a b Kristiina A. Vogt (12 April 2007). Forests and society: sustainability and life cycles of forests in human landscapes. CABI. pp. 130–. ISBN 9781845930981. Retrieved 10 February 2011.
  8. ^ Pedro Barbosa; Vera A. Krischik; Clive G. Jones (1991). Microbial mediation of plant-herbivore interactions. Wiley-Interscience. pp. 160–. ISBN 9780471613244. Retrieved 10 February 2011.
  9. ^ a b Kiss, L. (2008). "Chapter 3 Intracellular mycoparasites in action: Interactions between powdery mildew fungi and Ampelomyces". Stress in Yeast and Filamentous Fungi. British Mycological Society Symposia Series. Vol. 27. pp. 37–15. doi:10.1016/S0275-0287(08)80045-8. ISBN 9780123741844. Free version
  10. ^ Posada, F.; Vega, F. E.; Rehner, S. A.; Blackwell, M.; Weber, D.; Suh, S. O.; Humber, R. A. (2004). "Syspastospora parasitica, a mycoparasite of the fungus Beauveria bassiana attacking the Colorado potato beetle Leptinotarsa decemlineata: A tritrophic association". Journal of Insect Science (Online). 4: 24. doi:10.1093/jis/4.1.24. PMC 528884. PMID 15861239.
  11. ^ a b c d e f g Leveau, J.; Preston, G. (2008). "Bacterial mycophagy: definition and diagnosis of a unique bacterial-fungal interaction". The New Phytologist. 177 (4): 859–876. doi:10.1111/j.1469-8137.2007.02325.x. PMID 18086226.
  12. ^ Petz, W.; Foissner, W.; Wirnsberger, E.; Krautgartner, W. D.; Adam, H. (1986). "Mycophagy, a new feeding strategy in autochthonous soil ciliates". Naturwissenschaften. 73 (9): 560. Bibcode:1986NW.....73..560P. doi:10.1007/BF00368169. S2CID 11054032.
  13. ^ Schmidt, A. R.; Perrichot, V.; Svojtka, M.; Anderson, K. B.; Belete, K. H.; Bussert, R.; Dorfelt, H.; Jancke, S.; Mohr, B.; Mohrmann, E.; Nascimbene, P. C.; Nel, A.; Nel, P.; Ragazzi, E.; Roghi, G.; Saupe, E. E.; Schmidt, K.; Schneider, H.; Selden, P. A.; Vavra, N. (2010). "Cretaceous African life captured in amber". Proceedings of the National Academy of Sciences. 107 (16): 7329–7334. Bibcode:2010PNAS..107.7329S. doi:10.1073/pnas.1000948107. PMC 2867742. PMID 20368427.
  14. ^ a b c Steyaert, J. M.; Ridgway, H. J.; Elad, Y.; Stewart, A. (2003). "Genetic basis of mycoparasitism: A mechanism of biological control by species of Trichoderma". New Zealand Journal of Crop and Horticultural Science. 31 (4): 281–291. doi:10.1080/01140671.2003.9514263. S2CID 84872444. Free version
  15. ^ a b Harman, G.; Howell, C.; Viterbo, A.; Chet, I.; Lorito, M. (2004). "Trichoderma species--opportunistic, avirulent plant symbionts". Nature Reviews. Microbiology. 2 (1): 43–56. doi:10.1038/nrmicro797. PMID 15035008. S2CID 17404703. free version
  16. ^ http://www.cazv.cz/2003/2002/ochr1_02/brozova.pdf
  17. ^ a b Selosse, M.; Roy, M. (2009). "Green plants that feed on fungi: facts and questions about mixotrophy". Trends in Plant Science. 14 (2): 64–70. doi:10.1016/j.tplants.2008.11.004. PMID 19162524.
  18. ^ a b c d Bidartondo, M. I. (2005). "The evolutionary ecology of myco-heterotrophy". The New Phytologist. 167 (2): 335–352. doi:10.1111/j.1469-8137.2005.01429.x. PMID 15998389.
  19. ^ a b Rasmussen, H. N.; Rasmussen, F. N. (2009). "Orchid mycorrhiza: implications of a mycophagous life style". Oikos. 118 (3): 334. doi:10.1111/j.1600-0706.2008.17116.x.
  20. ^ a b Mueller, U.; Gerardo, N. (2002). "Fungus-farming insects: multiple origins and diverse evolutionary histories". Proceedings of the National Academy of Sciences of the United States of America. 99 (24): 15247–15249. Bibcode:2002PNAS...9915247M. doi:10.1073/pnas.242594799. PMC 137700. PMID 12438688.
  21. ^ a b c Mueller, U. G.; Gerardo, N. M.; Aanen, D. K.; Six, D. L.; Schultz, T. R. (2005). "The Evolution of Agriculture in Insects". Annual Review of Ecology, Evolution, and Systematics. 36: 563–595. doi:10.1146/annurev.ecolsys.36.102003.152626.
  22. ^ Batra, L. R. (1966). "Ambrosia fungi: extent of specificity to ambrosia beetles". Science. 153 (3732): 193–195. Bibcode:1966Sci...153..193B. doi:10.1126/science.153.3732.193. PMID 17831508. S2CID 25612420.
  23. ^ Aanen, D.; Ros, V.; De Fine Licht, H.; Mitchell, J.; De Beer, Z.; Slippers, B.; Rouland-Lefèvre, C.; Boomsma, J. (2007). "Patterns of interaction specificity of fungus-growing termites and Termitomyces symbionts in South Africa". BMC Evolutionary Biology. 7: 115. doi:10.1186/1471-2148-7-115. PMC 1963455. PMID 17629911.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  24. ^ De Fine Licht, H.; Boomsma, J.; Aanen, D. (2006). "Presumptive horizontal symbiont transmission in the fungus-growing termite Macrotermes natalensis". Molecular Ecology. 15 (11): 3131–3138. doi:10.1111/j.1365-294X.2006.03008.x. PMID 16968259. S2CID 23566883.
  25. ^ Silliman, B.; Newell, S. (2003). "Fungal farming in a snail". Proceedings of the National Academy of Sciences of the United States of America. 100 (26): 15643–15648. Bibcode:2003PNAS..10015643S. doi:10.1073/pnas.2535227100. PMC 307621. PMID 14657360.