A new genus, Planticonsortium (Mucoromycotina), and new combination (P. tenue), for the fine root endophyte, Glomus tenue (basionym Rhizophagus tenuis)
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In 1977, the fine root endophyte, originally named Rhizophagus tenuis, was transferred into the genus Glomus as G. tenue, thus positioning the species with all other known arbuscular mycorrhizal fungi (Glomeromycota, Glomeromycotina). Recent molecular evidence, however, places it in a different subphylum, Mucoromycotina in the Mucoromycota. No suitable genus exists in the Mucoromycotina to accommodate G. tenue, so it is moved to Planticonsortium gen. nov. as P. tenue comb. nov.
KeywordsArbuscular mycorrhizal fungi New combination Mucoromycota Glomeromycota Epitype
Thanks to Shaun Pennycook, Manaaki Whenua: Landscape Research, New Zealand, for advice on the correct gender construction for the Latin names, and to Paul Kirk, Royal Botanic Gardens Kew, for providing registration numbers and commenting on the manuscript, and also to Jim Crush, AgResearch, New Zealand, for information about the original pot culture and its origins. Additional thanks to Mark Tibbett and Tamara Edmonds-Tibbett, University of Reading, for maintaining the culture in the UK. We also thank Vivienne Gianinazzi-Pearson, the previous curator of the IBG collection and technicians at IBG who have maintained the culture (Annie Colombet, Valerie Monfort-Pimet, Joël Michel, Nathalie Koszela), and the individuals and organisations mentioned in the section on specimens examined. The Royal Botanic Garden Edinburgh (RBGE) is supported by the Scottish Government’s Rural and Environmental Science and Analytical Services Division.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
- Dangeard P-A (1896) Une maladie du peuplier dans l’ouest de la France. Le Botaniste 5:38–43Google Scholar
- Dangeard P-A (1900) Le Rhizophagus populinus Dangeard. Le Botaniste 7:285–287 + 2 platesGoogle Scholar
- Desirò A, Rimington WR, Jacob A, Vande Pol N, Smith ME, Trappe JM, Bidartondo MI, Bonito G (2017) Multigene phylogeny of Endogonales, an early diverging lineage of fungi associated with plants. IMA Fungus 8:245–257. https://doi.org/10.5598/imafungus.2017.08.02.03 CrossRefPubMedPubMedCentralGoogle Scholar
- Field KJ, Rimington WR, Bidartondo MI, Allinson KE, Beerling DJ, Cameron DD, Duckett JG, Leake JR, Pressel S (2015) First evidence of mutualism between ancient plant lineages (Haplomitriopsida liverworts) and Mucoromycotina fungi and its response to simulated Palaeozoic changes in atmospheric CO2. New Phytol 205(2):743–756. https://doi.org/10.1111/nph.13024 CrossRefPubMedGoogle Scholar
- Gerdemann JW, Trappe JM (1974) The Endogonaceae in the Pacific northwest. Mycologia memoir no. 5. Published by the New York Botanical Garden in collaboration with the Mycological Society of America (Bronx)Google Scholar
- Gianinazzi-Pearson V, Morandi D, Dexheimer J, Gianinazzi S (1981) Ultrastructural and ultracytochemical features of a Glomus tenuis mycorrhiza. New Phytol 88(4):633–639. https://doi.org/10.1111/j.1469-8137.1981.tb01739.x CrossRefGoogle Scholar
- McNeill J, Barrie FR, Buck WR, Demoulin V, Greuter W, Hawksworth DL, Herendeen PS, Knapp S, Marhold K, Prado J, Prud’Homme van Reine WF, Smith GF, Wiersema JH, Turland NJ (2012) International code of nomenclature for algae, fungi, and plants (Melbourne Code). Regnum Vegetabile 154. Koeltz Scientific Books, KöeningsteinGoogle Scholar
- Orchard S, Hilton S, Bending GD, Dickie IA, Standish RJ, Gleeson DB, Jeffery RP, Powell JR, Walker C, Bass D, Monk J, Simonin A, Ryan MH (2017a) Fine endophytes (Glomus tenue) are related to Mucoromycotina, not Glomeromycota. New Phytol 213(2):481–486. https://doi.org/10.1111/nph.14268 CrossRefPubMedGoogle Scholar
- Orchard S, Standish RJ, Dickie IA, Renton M, Walker C, Moot D, Ryan MH (2017b) Fine root endophytes under scrutiny: a review of the literature on arbuscule-producing fungi recently suggested to belong to the Mucoromycotina. Mycorrhiza 27(7):619–638. https://doi.org/10.1007/s00572-017-0782-z CrossRefGoogle Scholar
- Spatafora JW, Chang Y, Benny GL, Lazarus K, Smith ME, Berbee ML, Bonito G, Corradi N, Grigoriev I, Gryganskyi A, James TY, O’Donnell K, Roberson RW, Taylor TN, Uehling J, Vilgalys R, White MM, Stajich JE (2016) A phylum-level phylogenetic classification of zygomycete fungi based on genome-scale data. Mycologia 108(5):1028–1046. https://doi.org/10.3852/16-042 CrossRefPubMedGoogle Scholar
- Strullu-Derrien C, Kenrick P, Pressel S, Duckett JG, Rioult J-P, Strullu D-G (2014) Fungal associations in Horneophyton ligneri from the Rhynie Chert (c. 407 million year old) closely resemble those in extant lower land plants: novel insights into ancestral plant-fungus symbioses. New Phytol 203(3):964–979. https://doi.org/10.1111/nph.12805 CrossRefPubMedGoogle Scholar
- Taylor TN, Krings M, Taylor EL (2015) Fossil fungi. Elsevier, Amsterdam, p 382Google Scholar
- Walker C, Vestberg M (1994) A simple and inexpensive method for producing and maintaining closed pot cultures of arbuscular mycorrhizal fungi. Agric Sci Finl 3:233–240Google Scholar
- Walker C (2005) A simple blue staining technique for arbuscular mycorrhizal and other root-inhabiting fungi. Inoculum 56:68–69Google Scholar