Mucoromycota

Mucoromycota is a division within the kingdom fungi.[1] It includes a diverse group of various molds, including the common bread molds Mucor and Rhizopus.[2] It is a sister phylum to Dikarya.[3][4]

Mucoromycota
Mucor mucedo
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Subkingdom: Mucoromyceta
Division: Mucoromycota
Doweld
Subdivision

Mucoromycotina

Informally known as zygomycetes I, Mucoromycota includes Mucoromycotina, Mortierellomycotina, and Glomeromycotina, and consists of mainly mycorrhizal fungi, root endophytes, and plant decomposers.[3] Mucoromycotina and Glomeromycotina can form mycorrhiza-like relationships with nonvascular plants.[5] Mucoromycota contain multiple mycorrhizal lineages,[6] root endophytes,[7] and decomposers of plant-based carbon sources.[8] Mucoromycotina species known as mycoparasites, or putative parasites of arthropods are like saprobes.[9] When Mucoromycota infect animals, they are seen as opportunistic pathogens.[3] Mucoromycotina are fast-growing fungi and early colonizers of carbon-rich substrates.[10] Mortierellomycotina are common soil fungi that occur as root endophytes of woody plants and are isolated as saprobes.[11] Glomeromycotina live in soil, forming a network of hyphae, but depend on organic carbon from host plants. In exchange, the arbuscular mycorrhizal fungi provide nutrients to the plant.[12]

Reproduction

Known reproduction states of Mucoromycota are zygospore production and asexual reproduction. Zygospores can have decorations on their surface and range up to several millimeters in diameter.[13] Asexual reproduction typically involves the production of sporangiospores or chlamydospores.[3] Multicellular sporcaps are present within Mucoromycotina,[14] Mortierellomycotina[15] and as aggregations of spore-producing in species of Glomeromycotina.[6] Shown in Mucorales, sexual reproduction is under the control of mating type genes, sexP and sexM, which regulate the production of pheromones required for the maturation of hyphae into gametangia.[16][13] The sexP gene is expressed during vegetative growth and matting, while the sexM gene is expressed during mating.[17] Glomeromycotina sexual reproduction is unknown. However, asexual chlamydospore spores can be created terminally, laterally, or intercalary on specialized hyphae.[8] Species of Glomeromycotina produce coenocytic hyphae that can have bacterial endosymbionts.[18] Mortierellomycotina reproduce asexually by sporangia that either lack or have a reduced columella, which support the sporangium.[3] Species of Mortierellomycotina only form microscopic colonies, but some make multicellular sporocarps.[15] Mucoromycotina sexual reproduction is by prototypical zygospore formation and asexual reproduction and involves the large production of sporangia.[3]

Morphology

Mucoromycotina contain discoidal hemispherical spindle pole bodies. Although spindle pole bodies function as microtubule organizing centers, they lack remnants of the centrioles’ characteristic 9+2 microtubule arrangement. Species of Mucoromycotina and Mortierellomycotina produce large-diameter, coenocytic hyphae. Glomeromycotina also form coenocytic hyphae with highly branched, narrow hyphal arbuscules in host cells. When septations occur in Mucoromycota they are formed at the base of reproductive structures.[3]

Production of lipids, polyphosphates, and carotenoids

Mucoromycota's metabolism can utilize many substrates that are from various nitrogen and phosphorus resources to produce lipids, chitin, polyphosphates, and carotenoids. They have been found to co-produce metabolites in a single fermentation process like polyphosphates and lipids.[19] The overproduction of chitin from Mucoromycota fungi can be accomplished by limiting inorganic phosphorus.[20] Mucoromycota are capable of accumulating high amounts of lipids in their cell biomass, which allows the fungi to produce polyunsaturated fatty acids and carotenoids. They have been found to induce antimicrobial activity from fungal crude total lipids.[21][22] The high production of lipids from Mucoromycota have the potential for use in biodiesel production.[23][24]

  • Mortierella from Yosemite
    Mortierella from Yosemite
  • Mucor
    Mucor

See also

References
  1. "Taxonomy browser (Mucoromycota)". www.ncbi.nlm.nih.gov. Retrieved 28 May 2021.
  2. Lee SC, Idmurm A (2018). "8. Fungal sex: The Mucoromycota". In Heitman J, Howlett BJ, Crous PW, Stukenbrock EH, James TY, Gow NA (eds.). The Fungal Kingdom. Wiley. pp. 177–192. ISBN 978-1-55581-958-3.
  3. Spatafora JW, Chang Y, Benny GL, Lazarus K, Smith ME, Berbee ML, et al. (September 2016). "A phylum-level phylogenetic classification of zygomycete fungi based on genome-scale data". Mycologia. 108 (5): 1028–1046. doi:10.3852/16-042. PMC 6078412. PMID 27738200.
  4. Moore D, Robson GD, Trinci AP (2020). "2.8. The fungal phylogeny". 21st Century Guidebook to Fungi (2nd ed.). Cambridge University Press. pp. 29–30. ISBN 978-1-108-74568-0.
  5. Field KJ, Rimington WR, Bidartondo MI, Allinson KE, Beerling DJ, Cameron DD, et al. (January 2015). "First evidence of mutualism between ancient plant lineages (Haplomitriopsida liverworts) and Mucoromycotina fungi and its response to simulated Palaeozoic changes in atmospheric CO2". The New Phytologist. 205 (2): 743–756. doi:10.1111/nph.13024. PMC 4303992. PMID 25230098.
  6. Redecker D, Schüßler A (2014). "Glomeromycota". In McLaughlin DJ, Spatafora JW (eds.). Systematics and evolution. Part A. (second ed.). Berlin: Springer. pp. 251–270. ISBN 978-3-642-55318-9.
  7. Terhonen E, Keriö S, Sun H, Asiegbu FO (June 2014). "Endophytic fungi of Norway spruce roots in boreal pristine mire, drained peatland and mineral soil and their inhibitory effect on Heterobasidion parviporum in vitro". Fungal Ecology. 9: 17–26. doi:10.1016/j.funeco.2014.01.003.
  8. Benny GL, Humber RA, Voigt K (2014). "8 Zygomycetous Fungi: Phylum Entomophthoromycota and Subphyla Kickxellomycotina, Mortierellomycotina, Mucoromycotina, and Zoopagomycotina". In McLaughlin DJ, Spatafora JW (eds.). Systematics and evolution. Part A. (second ed.). Berlin: Springer. pp. 251–270. ISBN 978-3-642-55318-9.
  9. Hoffmann K, Pawłowska J, Walther G, Wrzosek M, de Hoog GS, Benny GL, et al. (June 2013). "The family structure of the Mucorales: a synoptic revision based on comprehensive multigene-genealogies". Persoonia. 30 (1): 57–76. doi:10.3767/003158513X666259. PMC 3734967. PMID 24027347.
  10. Jennessen J, Schnürer J, Olsson J, Samson RA, Dijksterhuis J (May 2008). "Morphological characteristics of sporangiospores of the tempe fungus Rhizopus oligosporus differentiate it from other taxa of the R. microsporus group". Mycological Research. 112 (Pt 5): 547–563. doi:10.1016/j.mycres.2007.11.006. PMID 18400482.
  11. Summerbell RC (2005). "Root endophyte and mycorrhizosphere fungi of black spruce, Picea mariana, in a boreal forest habitat: influence of site factors on fungal distributions". Studies in Mycology. 53: 121–145. doi:10.3114/sim.53.1.121.
  12. Lanfranco L, Fiorilli V, Gutjahr C (December 2018). "Partner communication and role of nutrients in the arbuscular mycorrhizal symbiosis". The New Phytologist. 220 (4): 1031–1046. doi:10.1111/nph.15230. PMID 29806959. S2CID 44106242.
  13. Lee SC, Idnurm A (March 2017). Heitman J, Gow NA (eds.). "Fungal Sex: The Mucoromycota". Microbiology Spectrum. 5 (2): 5.2.14. doi:10.1128/microbiolspec.FUNK-0041-2017. PMID 28332467.
  14. Bidartondo MI, Read DJ, Trappe JM, Merckx V, Ligrone R, Duckett JG (August 2011). "The dawn of symbiosis between plants and fungi". Biology Letters. 7 (4): 574–577. doi:10.1098/rsbl.2010.1203. PMC 3130224. PMID 21389014.
  15. Smith ME, Gryganskyi A, Bonito G, Nouhra E, Moreno-Arroyo B, Benny G (December 2013). "Phylogenetic analysis of the genus Modicella reveals an independent evolutionary origin of sporocarp-forming fungi in the Mortierellales". Fungal Genetics and Biology. 61: 61–68. doi:10.1016/j.fgb.2013.10.001. PMID 24120560.
  16. Idnurm A, Walton FJ, Floyd A, Heitman J (January 2008). "Identification of the sex genes in an early diverged fungus". Nature. 451 (7175): 193–196. Bibcode:2008Natur.451..193I. doi:10.1038/nature06453. PMID 18185588. S2CID 4411640.
  17. Wetzel J, Burmester A, Kolbe M, Wöstemeyer J (April 2012). "The mating-related loci sexM and sexP of the zygomycetous fungus Mucor mucedo and their transcriptional regulation by trisporoid pheromones". Microbiology. 158 (Pt 4): 1016–1023. doi:10.1099/mic.0.054106-0. PMID 22262094.
  18. Torres-Cortés G, Ghignone S, Bonfante P, Schüßler A (June 2015). "Mosaic genome of endobacteria in arbuscular mycorrhizal fungi: Transkingdom gene transfer in an ancient mycoplasma-fungus association". Proceedings of the National Academy of Sciences of the United States of America. 112 (25): 7785–7790. Bibcode:2015PNAS..112.7785T. doi:10.1073/pnas.1501540112. PMC 4485150. PMID 25964335.
  19. Dzurendova S, Losada CB, Dupuy-Galet BX, Fjær K, Shapaval V (January 2022). "Mucoromycota fungi as powerful cell factories for modern biorefinery". Applied Microbiology and Biotechnology. 106 (1): 101–115. doi:10.1007/s00253-021-11720-1. hdl:11250/2834712. PMID 34889982. S2CID 245013763.
  20. Dzurendova S, Zimmermann B, Kohler A, Tafintseva V, Slany O, Certik M, Shapaval V (22 June 2020). Virolle MJ (ed.). "Microcultivation and FTIR spectroscopy-based screening revealed a nutrient-induced co-production of high-value metabolites in oleaginous Mucoromycota fungi". PLOS ONE. 15 (6): e0234870. Bibcode:2020PLoSO..1534870D. doi:10.1371/journal.pone.0234870. PMC 7307774. PMID 32569317.
  21. Mohamed H, El-Shanawany AR, Shah AM, Nazir Y, Naz T, Ullah S, et al. (5 November 2020). lia Domingues L (ed.). "Comparative Analysis of Different Isolated Oleaginous Mucoromycota Fungi for Their γ-Linolenic Acid and Carotenoid Production". BioMed Research International. 2020: 3621543. doi:10.1155/2020/3621543. PMC 7665918. PMID 33204691.
  22. Volford B, Varga M, Szekeres A, Kotogán A, Nagy G, Vágvölgyi C, et al. (March 2021). "β-Galactosidase-Producing Isolates in Mucoromycota: Screening, Enzyme Production, and Applications for Functional Oligosaccharide Synthesis". Journal of Fungi. 7 (3): 229. doi:10.3390/jof7030229. PMC 8003776. PMID 33808917.
  23. Kosa G, Zimmermann B, Kohler A, Ekeberg D, Afseth NK, Mounier J, Shapaval V (December 2018). "High-throughput screening of Mucoromycota fungi for production of low- and high-value lipids". Biotechnology for Biofuels. 11 (1): 66. doi:10.1186/s13068-018-1070-7. PMC 5851148. PMID 29563969.
  24. Zhao H, Lv M, Liu Z, Zhang M, Wang Y, Ju X, et al. (December 2021). "High-yield oleaginous fungi and high-value microbial lipid resources from Mucoromycota". BioEnergy Research. 14 (4): 1196–1206. doi:10.1007/s12155-020-10219-3. ISSN 1939-1234. S2CID 228925586.

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