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Diver P, Ward BA, Cunliffe M. Physiological and morphological plasticity in response to nitrogen availability of a yeast widely distributed in the open ocean. FEMS Microbiol Ecol 2024; 100:fiae053. [PMID: 38599628 PMCID: PMC11062419 DOI: 10.1093/femsec/fiae053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 04/02/2024] [Accepted: 04/09/2024] [Indexed: 04/12/2024] Open
Abstract
Yeasts are prevalent in the open ocean, yet we have limited understanding of their ecophysiological adaptations, including their response to nitrogen availability, which can have a major role in determining the ecological potential of other planktonic microbes. In this study, we characterized the nitrogen uptake capabilities and growth responses of marine-occurring yeasts. Yeast isolates from the North Atlantic Ocean were screened for growth on diverse nitrogen substrates, and across a concentration gradient of three environmentally relevant nitrogen substrates: nitrate, ammonium, and urea. Three strains grew with enriched nitrate while two did not, demonstrating that nitrate utilization is present but not universal in marine yeasts, consistent with existing knowledge of nonmarine yeast strains. Naganishia diffluens MBA_F0213 modified the key functional trait of cell size in response to nitrogen concentration, suggesting yeast cell morphology changes along chemical gradients in the marine environment. Meta-analysis of the reference DNA barcode in public databases revealed that the genus Naganishia has a global ocean distribution, strengthening the environmental applicability of the culture-based observations. This study provides novel quantitative understanding of the ecophysiological and morphological responses of marine-derived yeasts to variable nitrogen availability in vitro, providing insight into the functional ecology of yeasts within pelagic open ocean environments.
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Affiliation(s)
- Poppy Diver
- Marine Biological Association, The Laboratory, Citadel Hill, Plymouth, PL1 2PB, United Kingdom
- School of Ocean and Earth Science, University of Southampton, Waterfront Campus, European Way, Southampton, SO14 3ZH, United Kingdom
| | - Ben A Ward
- School of Ocean and Earth Science, University of Southampton, Waterfront Campus, European Way, Southampton, SO14 3ZH, United Kingdom
| | - Michael Cunliffe
- Marine Biological Association, The Laboratory, Citadel Hill, Plymouth, PL1 2PB, United Kingdom
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, United Kingdom
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Calabon MS, Hyde KD, Jones EBG, Luo ZL, Dong W, Hurdeal VG, Gentekaki E, Rossi W, Leonardi M, Thiyagaraja V, Lestari AS, Shen HW, Bao DF, Boonyuen N, Zeng M. Freshwater fungal numbers. FUNGAL DIVERS 2022. [DOI: 10.1007/s13225-022-00503-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Rönnander J, Wright SAI. Growth of wood-inhabiting yeasts of the Faroe Islands in the presence of spent sulphite liquor. Antonie Van Leeuwenhoek 2021; 114:649-666. [PMID: 33851316 PMCID: PMC8137469 DOI: 10.1007/s10482-021-01543-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 02/13/2021] [Indexed: 11/12/2022]
Abstract
In the microbial community of decaying wood, yeasts are important for the recycling of nutrients. Nevertheless, information on their biodiversity in this niche in the Northern hemisphere is limited. Wood-colonising yeasts encounter identical and similar growth-inhibitory compounds as those in spent sulphite liquor (SSL), an energy-rich, acid hydrolysate and waste product from the paper industry, which may render them well-suited for cultivation in SSL. In the present study, yeasts were isolated from decaying wood on the Faroe Islands and identified based on sequence homology of the ITS and D1/D2 regions. Among the yeasts isolated, Candida argentea, Cystofilobasidium infirmominiatum, Naganishia albidosimilis, Naganishia onofrii, Holtermanniella takashimae and Goffeauzyma gastrica were new to decaying wood in cold and temperate climates. C. argentea and Rhodotorula are rarely-isolated species, with no previous documentation from cold and maritime climates. The isolates were further tested for growth in a medium with increasing concentrations of softwood SSL. Most grew in the presence of 10% SSL. Isolates of Debaryomyces sp., C. argentea and Rhodotorula sp. were the most tolerant. Representatives of Debaryomyces and Rhodotorula have previously been found in decaying wood. In contrast, the least tolerant isolates belonged to species that are rarely reported from decaying wood. The relative importance of individual inhibitors to yeast growth is discussed. To our knowledge, none of the present yeast species have previously been cultivated in SSL medium. Decaying wood can be a useful future source of yeasts for valorisation of various hydrolysates to industrial chemicals and biofuels.
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Affiliation(s)
- Jonas Rönnander
- Faculty of Engineering and Sustainable Development, University of Gävle, 80176, Gävle, Sweden
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4
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Haelewaters D, Urbina H, Brown S, Newerth-Henson S, Aime MC. Isolation and Molecular Characterization of the Romaine Lettuce Phylloplane Mycobiome. J Fungi (Basel) 2021; 7:277. [PMID: 33917072 PMCID: PMC8067711 DOI: 10.3390/jof7040277] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 03/27/2021] [Accepted: 04/05/2021] [Indexed: 02/06/2023] Open
Abstract
Romaine lettuce (Lactuca sativa) is an important staple of American agriculture. Unlike many vegetables, romaine lettuce is typically consumed raw. Phylloplane microbes occur naturally on plant leaves; consumption of uncooked leaves includes consumption of phylloplane microbes. Despite this fact, the microbes that naturally occur on produce such as romaine lettuce are for the most part uncharacterized. In this study, we conducted culture-based studies of the fungal romaine lettuce phylloplane community from organic and conventionally grown samples. In addition to an enumeration of all such microbes, we define and provide a discussion of the genera that form the "core" romaine lettuce mycobiome, which represent 85.5% of all obtained isolates: Alternaria, Aureobasidium, Cladosporium, Filobasidium, Naganishia, Papiliotrema, Rhodotorula, Sampaiozyma, Sporobolomyces, Symmetrospora and Vishniacozyma. We highlight the need for additional mycological expertise in that 23% of species in these core genera appear to be new to science and resolve some taxonomic issues we encountered during our work with new combinations for Aureobasidiumbupleuri and Curvibasidium nothofagi. Finally, our work lays the ground for future studies that seek to understand the effect these communities may have on preventing or facilitating establishment of exogenous microbes, such as food spoilage microbes and plant or human pathogens.
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Affiliation(s)
- Danny Haelewaters
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, USA; (H.U.); (S.B.); (S.N.-H.)
| | - Hector Urbina
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, USA; (H.U.); (S.B.); (S.N.-H.)
- Division of Plant Industry, Florida Department of Agriculture and Consumer Services, Gainesville, FL 32608, USA
| | - Samuel Brown
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, USA; (H.U.); (S.B.); (S.N.-H.)
| | - Shannon Newerth-Henson
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, USA; (H.U.); (S.B.); (S.N.-H.)
| | - M. Catherine Aime
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, USA; (H.U.); (S.B.); (S.N.-H.)
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Li AH, Yuan FX, Groenewald M, Bensch K, Yurkov AM, Li K, Han PJ, Guo LD, Aime MC, Sampaio JP, Jindamorakot S, Turchetti B, Inacio J, Fungsin B, Wang QM, Bai FY. Diversity and phylogeny of basidiomycetous yeasts from plant leaves and soil: Proposal of two new orders, three new families, eight new genera and one hundred and seven new species. Stud Mycol 2020; 96:17-140. [PMID: 32206137 PMCID: PMC7082220 DOI: 10.1016/j.simyco.2020.01.002] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Nearly 500 basidiomycetous yeast species were accepted in the latest edition of The Yeasts: A Taxonomic Study published in 2011. However, this number presents only the tip of the iceberg of yeast species diversity in nature. Possibly more than 99 % of yeast species, as is true for many groups of fungi, are yet unknown and await discovery. Over the past two decades nearly 200 unidentified isolates were obtained during a series of environmental surveys of yeasts in phyllosphere and soils, mainly from China. Among these isolates, 107 new species were identified based on the phylogenetic analyses of nuclear ribosomal DNA (rDNA) [D1/D2 domains of the large subunit (LSU), the small subunit (SSU), and the internal transcribed spacer region including the 5.8S rDNA (ITS)] and protein-coding genes [both subunits of DNA polymerase II (RPB1 and RPB2), the translation elongation factor 1-α (TEF1) and the mitochondrial gene cytochrome b (CYTB)], and physiological comparisons. Forty-six of these belong to 16 genera in the Tremellomycetes (Agaricomycotina). The other 61 are distributed in 26 genera in the Pucciniomycotina. Here we circumscribe eight new genera, three new families and two new orders based on the multi-locus phylogenetic analyses combined with the clustering optimisation analysis and the predicted similarity thresholds for yeasts and filamentous fungal delimitation at genus and higher ranks. Additionally, as a result of these analyses, three new combinations are proposed and 66 taxa are validated.
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Key Words
- Apiotrichum xylopini S.O. Suh, C.F. Lee, Gujjari & J.J. Zhou ex Kachalkin, Yurkov & Boekhout
- Bannozyma arctica Vishniac & M. Takash. ex Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout
- Basidiomycetous yeasts
- Begerowomyces Q.M. Wang & F.Y. Bai
- Begerowomyces foliicola Q.M. Wang, F.Y. Bai & A.H. Li
- Bensingtonia pseudorectispora Q.M. Wang, F.Y. Bai & A.H. Li
- Bensingtonia wuzhishanensis Q.M. Wang, F.Y. Bai & A.H. Li
- Boekhoutia Q.M. Wang & F.Y. Bai
- Boekhoutia sterigmata Q.M. Wang, F.Y. Bai & A.H. Li
- Bulleribasidium cremeum Q.M. Wang, F.Y. Bai & A.H. Li
- Bulleribasidium elongatum Q.M. Wang, F.Y. Bai & A.H. Li
- Bulleribasidium panici Fungsin, M. Takash. & Nakase ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bulleribasidium phyllophilum Q.M. Wang, F.Y. Bai & A.H. Li
- Bulleribasidium phyllostachydis Q.M. Wang, F.Y. Bai & A.H. Li
- Bulleribasidium pseudopanici Q.M. Wang, F.Y. Bai & A.H. Li
- Bulleribasidium siamense Fungsin, M. Takash. & Nakase ex Q.M. Wang, F.Y. Bai, Boekhout & Nakase
- Carcinomyces arundinariae Fungsin, M. Takash. & Nakase ex Yurkov
- Carlosrosaea foliicola Q.M. Wang, F.Y. Bai & A.H. Li
- Carlosrosaea simaoensis Q.M. Wang, F.Y. Bai & A.H. Li
- Chrysozyma cylindrica Q.M. Wang, F.Y. Bai & A.H. Li
- Chrysozyma flava Q.M. Wang, F.Y. Bai & A.H. Li
- Chrysozyma fusiformis Q.M. Wang, F.Y. Bai & A.H. Li
- Chrysozyma iridis Q.M. Wang, F.Y. Bai & A.H. Li
- Chrysozyma pseudogriseoflava Q.M. Wang, F.Y. Bai & A.H. Li
- Chrysozyma rhododendri Q.M. Wang, F.Y. Bai & A.H. Li
- Chrysozyma sambuci Q.M. Wang, F.Y. Bai & A.H. Li
- Chrysozyma sorbariae Q.M. Wang, F.Y. Bai & A.H. Li
- Colacogloea aletridis Q.M. Wang, F.Y. Bai & A.H. Li
- Colacogloea hydrangeae Q.M. Wang, F.Y. Bai & A.H. Li
- Colacogloea rhododendri Q.M. Wang, F.Y. Bai & A.H. Li
- Colacogloea subericola (Belloch, Villa-Carv., Á;lv.-Rodríg. & Coque) Q.M. Wang, & F.Y. Bai
- Cystobasidium alpinum Turchetti, Selbmann, Onofri & Buzzini
- Cystobasidium portillonense Laich, Vaca & R. Chávez ex Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout
- Cystobasidium raffinophilum Q.M. Wang, F.Y. Bai & A.H. Li
- Cystobasidium terricola Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces bifurcus Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces cylindricus F.Y. Bai, Q.M. Wang & M. Takash. ex F.Y. Bai & Q.M. Wang
- Derxomyces elongatus Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces hubeiensis F.Y. Bai, Q.M. Wang & M. Takash. ex F.Y. Bai & Q.M. Wang
- Derxomyces longicylindricus Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces longiovatus Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces melastomatis Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces nakasei F.Y. Bai, Q.M. Wang & M. Takash. ex F.Y. Bai & Q.M. Wang
- Derxomyces napiformis Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces ovatus Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces polymorphus Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces pseudoboekhoutii Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces pseudoyunnanensis Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces taiwanicus Q.M. Wang, F.Y. Bai & A.H. Li
- Derxomyces xingshanicus Q.M. Wang, F.Y. Bai & A.H. Li
- Dioszegia heilongjiangensis Q.M. Wang, F.Y. Bai & A.H. Li
- Dioszegia kandeliae Q.M. Wang, F.Y. Bai, L.D. Guo & A.H. Li
- Dioszegia maotaiensis Q.M. Wang, F.Y. Bai & A.H. Li
- Dioszegia milinica Q.M. Wang, F.Y. Bai & A.H. Li
- Dioszegia ovata Q.M. Wang, F.Y. Bai & A.H. Li
- Dioszegia zsoltii F.Y. Bai, M. Takash. & Nakase
- F.Y. Bai, M. Groenew. & Boekhout
- Filobasidium dingjieense Q.M. Wang, F.Y. Bai & A.H. Li
- Filobasidium globosum Q.M. Wang, F.Y. Bai & A.H. Li
- Filobasidium mali Q.M. Wang, F.Y. Bai & A.H. Li
- Filobasidium mucilaginum Q.M. Wang, F.Y. Bai & A.H. Li
- Genolevuria bromeliarum Landell & P. Valente ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Genolevuria pseudoamylolytica Q.M. Wang, F.Y. Bai & A.H. Li
- Glaciozyma Turchetti, Connell, Thomas-Hall & Boekhout ex M. Groenew. & Q.M. Wang
- Glaciozyma antarctica (Fell, Statzell, I.L. Hunter & Phaff) M. Groenew. & Q.M. Wang
- Glaciozyma martinii Turchetti, Connell, Thomas-Hall & Boekhout
- Glaciozyma watsonii Turchetti, Connell, Thomas-Hall & Boekhout
- Heitmania cylindrica Q.M. Wang, F.Y. Bai & A.H. Li
- Heitmania tridentata Q.M. Wang, F.Y. Bai & A.H. Li
- Heitmaniaceae Q.M. Wang & F.Y. Bai
- Heitmaniales Q.M. Wang & F.Y. Bai
- Holtermannia saccardoi Q.M. Wang, F.Y. Bai & A.H. Li
- Jianyuniaceae Q.M. Wang & F.Y. Bai
- Kockovaella haikouensis Q.M. Wang, F.Y. Bai & A.H. Li
- Kockovaella ischaemi Q.M. Wang, F.Y. Bai & A.H. Li
- Kockovaella mexicana Lopandić, O. Molnár & Prillinger ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Kockovaella nitrophila Q.M. Wang, F.Y. Bai & A.H. Li
- Kondoa arboricola Q.M. Wang, F.Y. Bai & A.H. Li
- Kondoa chamaenerii Q.M. Wang, F.Y. Bai & A.H. Li
- Kondoa cylindrica Q.M. Wang, F.Y. Bai & A.H. Li
- Kondoa daliangziensis Q.M. Wang, F.Y. Bai & A.H. Li
- Kondoa foliicola Q.M. Wang, F.Y. Bai & A.H. Li
- Kondoa lulangica Q.M. Wang, F.Y. Bai & A.H. Li
- Kondoa myxariophila Q.M. Wang, F.Y. Bai & A.H. Li
- Kondoa rhododendri Q.M. Wang, F.Y. Bai & A.H. Li
- Kondoa ribitophobia Q.M. Wang, F.Y. Bai & A.H. Li
- Kondoa thailandica Fungsin, Hamam. & Nakase ex Q.M. Wang, M. Groenew., F.Y. Bai & Boekhout
- Kwoniella newhampshirensis K. Sylvester, Q.M. Wang & C.T. Hittinger
- Kwoniella ovata Q.M. Wang, F.Y. Bai & A.H. Li
- Kwoniella shandongensis R. Chen, Y.M. Jiang & S.C. Wei ex M. Groenew. & Q.M. Wang
- Leucosporidium creatinivorum (Golubev) M. Groenew. & Q.M. Wang
- Leucosporidium fragarium (J.A. Barnett & Buhagiar) M. Groenew. & Q.M. Wang
- Leucosporidium intermedium (Nakase & M. Suzuki) M. Groenew. & Q.M. Wang
- Leucosporidium muscorum (Di Menna) M. Groenew. & Q.M. Wang
- Leucosporidium yakuticum (Golubev) M. Groenew. & Q.M. Wang
- Meniscomyces Q.M. Wang & F.Y. Bai
- Meniscomyces layueensis Q.M. Wang, F.Y. Bai & A.H. Li
- Microbotryozyma swertiae Q.M. Wang, F.Y. Bai & A.H. Li
- Microsporomyces ellipsoideus Q.M. Wang, F.Y. Bai & A.H. Li
- Microsporomyces pseudomagnisporus Q.M. Wang, F.Y. Bai & A.H. Li
- Microsporomyces rubellus Q.M. Wang, F.Y. Bai & A.H. Li
- Molecular phylogeny
- Naganishia onofrii Turchetti, Selbmann & Zucconi ex Yurkov
- Naganishia vaughanmartiniae Turchetti, Blanchette & Arenz ex Yurkov
- Nielozyma Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nielozyma formosana Nakase, Tsuzuki, F.L. Lee & M. Takash. ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nielozyma melastomatis Nakase, Tsuzuki, F.L. Lee & M. Takash. ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Oberwinklerozyma dicranopteridis Q.M. Wang, F.Y. Bai & A.H. Li
- Oberwinklerozyma nepetae Q.M. Wang, F.Y. Bai & A.H. Li
- Oberwinklerozyma silvestris Golubev & Scorzetti ex Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout
- Oberwinklerozyma straminea Golubev & Scorzetti ex Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout
- Papiliotrema aspenensis (Ferreira-Paim, et al.) Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Papiliotrema baii Yurkov, M.A. Guerreiro & Á;. Fonseca ex Yurkov
- Papiliotrema frias V. de García, Zalar, Brizzio, Gunde-Cim. & Van Broock ex Yurkov
- Papiliotrema hoabinhensis D.T. Luong, M. Takash., Ty, Dung & Nakase ex Yurkov
- Papiliotrema japonica J.P. Samp., Fonseca & Fell ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Papiliotrema terrestris Crestani, Landell, Faganello, Vainstein, Vishniac & P. Valente ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Papiliotrema wisconsinensis K. Sylvester, Q.M. Wang & Hittinger ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Phaeotremella lactea Q.M. Wang, F.Y. Bai & A.H. Li
- Phaeotremella ovata Q.M. Wang, F.Y. Bai & A.H. Li
- Phaffia aurantiaca Q.M. Wang, F.Y. Bai & A.H. Li
- Phyllozyma aceris Q.M. Wang, F.Y. Bai & A.H. Li
- Phyllozyma jiayinensis Q.M. Wang, F.Y. Bai & A.H. Li
- Piskurozyma fildesensis T.T. Zhang & Li Y. Yu ex Yurkov
- Piskurozyma taiwanensis Nakase, Tsuzuki & M. Takash. ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pseudobensingtonia fusiformis Q.M. Wang, F.Y. Bai & A.H. Li
- Pseudohyphozyma hydrangeae Q.M. Wang, F.Y. Bai & A.H. Li
- Pseudohyphozyma lulangensis Q.M. Wang, F.Y. Bai & A.H. Li
- Pseudoleucosporidium V. de García, et al. ex M. Groenew. & Q.M. Wang
- Pseudoleucosporidium fasciculatum (Babeva & Lisichk.) M. Groenew. & Q.M. Wang
- Pseudosterigmatospora Q.M. Wang & F.Y. Bai
- Pseudosterigmatospora motuoensis Q.M. Wang, F.Y. Bai & A.H. Li
- Pseudotremella lacticolour Satoh & Makimura ex Yurkov
- Rhodosporidiobolus fuzhouensis Q.M. Wang, F.Y. Bai & A.H. Li
- Rhodosporidiobolus jianfalingensis Q.M. Wang, F.Y. Bai & A.H. Li
- Rhodosporidiobolus platycladi Q.M. Wang, F.Y. Bai & A.H. Li
- Rhynchogastrema complexa (Landell, et al.) Xin Zhan Liu, F.Y. Bai, M. Groenew., Boekhout & Yurkov
- Rhynchogastrema fermentans (C.F. Lee) Xin Zhan Liu, F.Y. Bai, M. Groenew., Boekhout & Yurkov
- Rhynchogastrema glucofermentans (S.O. Suh & M. Blackw.) Xin Zhan Liu, F.Y. Bai, M. Groenew., Boekhout & Yurkov
- Rhynchogastrema nanyangensis F.L. Hui & Q.H. Niu ex Xin Zhan Liu, F.Y. Bai, M. Groenew., Boekhout & Yurkov
- Rhynchogastrema tunnelae (Boekhout, Fell, Scorzetti & Theelen) Xin Zhan Liu, F.Y. Bai, M. Groenew., Boekhout & Yurkov
- Rhynchogastrema visegradensis (G. Péter & Dlauchy) Xin Zhan Liu, F.Y. Bai, M. Groenew., Boekhout &Yurkov
- Robertozyma Q.M. Wang & F.Y. Bai
- Robertozyma ningxiaensis Q.M. Wang, F.Y. Bai & A.H. Li
- Rosettozyma Q.M. Wang & F.Y. Bai
- Rosettozyma cystopteridis Q.M. Wang, F.Y. Bai & A.H. Li
- Rosettozyma motuoensis Q.M. Wang, F.Y. Bai & A.H. Li
- Rosettozyma petaloides Q.M. Wang, F.Y. Bai & A.H. Li
- Rosettozymaceae Q.M. Wang & F.Y. Bai
- Rosettozymales Q.M. Wang & F.Y. Bai
- Ruinenia bangxiensis Q.M. Wang, F.Y. Bai & A.H. Li
- Ruinenia diospyri Nakase, Tsuzuki, F.L. Lee, Jindam. & M. Takash. ex Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout
- Ruinenia fanjingshanensis Q.M. Wang, F.Y. Bai & A.H. Li
- Ruinenia lunata Q.M. Wang, F.Y. Bai & A.H. Li
- Ruinenia pyrrosiae Nakase, Tsuzuki, F.L. Lee, Jindam. & M. Takash. ex Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout
- Saitozyma ninhbinhensis (D.T. Luong, M. Takash., Dung & Nakase)Yurkov
- Saitozyma paraflava Golubev & J.P. Samp. ex Xin Zhan Liu
- Saitozyma pseudoflava Q.M. Wang, F.Y. Bai & A.H. Li
- Sakaguchia melibiophila M. Groenew., Q.M. Wang & F.Y. Bai
- Slooffia globosa Q.M. Wang, F.Y. Bai & A.H. Li
- Solicoccozyma gelidoterrea Q.M. Wang, F.Y. Bai & A.H. Li
- Species diversity
- Sporobolomyces cellobiolyticus Q.M. Wang, F.Y. Bai & A.H. Li
- Sporobolomyces ellipsoideus Q.M. Wang, F.Y. Bai & A.H. Li
- Sporobolomyces primogenomicus Q.M. Wang & F.Y. Bai
- Sporobolomyces reniformis Q.M. Wang, F.Y. Bai & A.H. Li
- Sterigmatospora Q.M. Wang & F.Y. Bai
- Sterigmatospora layueensis Q.M. Wang, F.Y. Bai & A.H. Li
- Symmetrospora oryzicola (Nakase & M. Suzuki) Q.M. Wang & F.Y. Bai
- Symmetrospora rhododendri Q.M. Wang, F.Y. Bai & A.H. Li
- Taxonomy
- Teunia Q.M. Wang & F.Y. Bai
- Teunia betulae K. Sylvester, Q.M. Wang & Hittinger ex Q.M. Wang, F.Y. Bai & A.H. Li
- Teunia cuniculi (K.S. Shin & Y.H. Park) Q.M. Wang, F.Y. Bai & A.H. Li
- Teunia globosa Q.M. Wang, F.Y. Bai & A.H. Li
- Teunia helanensis Q.M. Wang, F.Y. Bai & A.H. Li
- Teunia korlaensis Q.M. Wang, F.Y. Bai & A.H. Li
- Teunia tronadorensis V. de Garcia, Zalar, Brizzio, Gunde-Cim. & van Brook ex Q.M. Wang, F.Y. Bai & A.H. Li
- Tremella basidiomaticola Xin Zhan Liu & F.Y. Bai
- Tremella shuangheensis Q.M. Wang, F.Y. Bai & A.H. Li
- Trimorphomyces sakaeraticus Fungsin, M. Takash. & Nakase ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Vanrija meifongana C.F. Lee ex Kachalkin Yurkov & Boekhout
- Vanrija nantouana C.F. Lee ex Kachalkin Yurkov & Boekhout
- Vanrija thermophila Vogelmann, S. Chaves & C. Hertel ex Kachalkin Yurkov & Boekhout
- Vishniacozyma europaea Q.M. Wang, F.Y. Bai & A.H. Li
- Vishniacozyma foliicola Q.M. Wang & F.Y. Bai ex Yurkov
- Vishniacozyma heimaeyensis Vishniac ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Vishniacozyma melezitolytica Q.M. Wang, F.Y. Bai & A.H. Li
- Vishniacozyma pseudopenaeus Q.M. Wang, F.Y. Bai & A.H. Li
- Vishniacozyma psychrotolerans V. de García, Zalar, Brizzio, Gunde-Cim. & Van Broock ex Yurkov
- Vishniacozyma taibaiensis Q.M. Wang & F.Y. Bai ex Yurkov
- Vishniacozyma tephrensis Vishniac ex Xin Zhan Liu, F.Y. Bai, M. Groenew. & Boekhout
- Yamadamyces Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout
- Yamadamyces rosulatus Golubev & Scorzetti ex Q.M. Wang, F.Y. Bai, M. Groenew. & Boekhout
- Yamadamyces terricola Q.M. Wang, F.Y. Bai & A.H. Li
- Yurkovia longicylindrica Q.M. Wang, F.Y. Bai & A.H. Li
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Affiliation(s)
- A-H Li
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.,China General Microbiological Culture Collection Center and State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - F-X Yuan
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.,North Minzu University, Yinchuan, Ningxia, 750030, China
| | - M Groenewald
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - K Bensch
- Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - A M Yurkov
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Braunschweig, 38124, Germany
| | - K Li
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - P-J Han
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - L-D Guo
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - M C Aime
- Purdue University, Department of Botany and Plant Pathology, West Lafayette, IN, 47901, USA
| | - J P Sampaio
- UCIBIO-REQUIMTE, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal.,PYCC - Portuguese Yeast Culture Collection, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal
| | - S Jindamorakot
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, 12120, Thailand
| | - B Turchetti
- Department of Agriculture, Food and Environmental Sciences & Industrial Yeasts Collection DBVPG, University of Perugia, Perugia, 74 - I-06121, Italy
| | - J Inacio
- School of Pharmacy and Biomolecular Sciences, University of Brighton, Brighton, BN2 4GJ, UK
| | - B Fungsin
- TISTR Culture Collection, Thailand Institute of Scientific and Technological Research (TISTR), 35 M 3, Technopolis, Khlong Ha, Khlong Luang, Pathum Thani, 12120, Thailand
| | - Q-M Wang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.,College of Life Sciences, Hebei University, Baoding, Hebei Province, 071002, China
| | - F-Y Bai
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
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6
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Effects of Agricultural Management on Rhizosphere Microbial Structure and Function in Processing Tomato Plants. Appl Environ Microbiol 2019; 85:AEM.01064-19. [PMID: 31175190 DOI: 10.1128/aem.01064-19] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 06/02/2019] [Indexed: 12/13/2022] Open
Abstract
Agricultural management practices affect bulk soil microbial communities and the functions they carry out, but it remains unclear how these effects extend to the rhizosphere in different agroecosystem contexts. Given close linkages between rhizosphere processes and plant nutrition and productivity, understanding how management practices impact this critical zone is of great importance to optimize plant-soil interactions for agricultural sustainability. A comparison of six paired conventional-organic processing tomato farms was conducted to investigate relationships between management, soil physicochemical parameters, and rhizosphere microbial community composition and functions. Organically managed fields were higher in soil total N and NO3-N, total and labile C, plant Ca, S, and Cu, and other essential nutrients, while soil pH was higher in conventionally managed fields. Differential abundance, indicator species, and random forest analyses of rhizosphere communities revealed compositional differences between organic and conventional systems and identified management-specific microbial taxa. Phylogeny-based trait prediction showed that these differences translated into more abundant pathogenesis-related gene functions in conventional systems. Structural equation modeling revealed a greater effect of soil biological communities than physicochemical parameters on plant outcomes. These results highlight the importance of rhizosphere-specific studies, as plant selection likely interacts with management in regulating microbial communities and functions that impact agricultural productivity.IMPORTANCE Agriculture relies, in part, on close linkages between plants and the microorganisms that live in association with plant roots. These rhizosphere bacteria and fungi are distinct from microbial communities found in the rest of the soil and are even more important to plant nutrient uptake and health. Evidence from field studies shows that agricultural management practices such as fertilization and tillage shape microbial communities in bulk soil, but little is known about how these practices affect the rhizosphere. We investigated how agricultural management affects plant-soil-microbe interactions by comparing soil physical and chemical properties, plant nutrients, and rhizosphere microbial communities from paired fields under organic and conventional management. Our results show that human management effects extend even to microorganisms living in close association with plant roots and highlight the importance of these bacteria and fungi to crop nutrition and productivity.
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7
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8
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Keiblinger KM, Schneider M, Gorfer M, Paumann M, Deltedesco E, Berger H, Jöchlinger L, Mentler A, Zechmeister-Boltenstern S, Soja G, Zehetner F. Assessment of Cu applications in two contrasting soils-effects on soil microbial activity and the fungal community structure. ECOTOXICOLOGY (LONDON, ENGLAND) 2018; 27:217-233. [PMID: 29297133 PMCID: PMC5847031 DOI: 10.1007/s10646-017-1888-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/12/2017] [Indexed: 05/20/2023]
Abstract
Copper (Cu)-based fungicides have been used in viticulture to prevent downy mildew since the end of the 19th century, and are still used today to reduce fungal diseases. Consequently, Cu has built up in many vineyard soils, and it is still unclear how this affects soil functioning. The present study aimed to assess the short and medium-term effects of Cu contamination on the soil fungal community. Two contrasting agricultural soils, an acidic sandy loam and an alkaline silt loam, were used for an eco-toxicological greenhouse pot experiment. The soils were spiked with a Cu-based fungicide in seven concentrations (0-5000 mg Cu kg-1 soil) and alfalfa was grown in the pots for 3 months. Sampling was conducted at the beginning and at the end of the study period to test Cu toxicity effects on total microbial biomass, basal respiration and enzyme activities. Fungal abundance was analysed by ergosterol at both samplings, and for the second sampling, fungal community structure was evaluated via ITS amplicon sequences. Soil microbial biomass C as well as microbial respiration rate decreased with increasing Cu concentrations, with EC50 ranging from 76 to 187 mg EDTA-extractable Cu kg-1 soil. Oxidative enzymes showed a trend of increasing activity at the first sampling, but a decline in peroxidase activity was observed for the second sampling. We found remarkable Cu-induced changes in fungal community abundance (EC50 ranging from 9.2 to 94 mg EDTA-extractable Cu kg-1 soil) and composition, but not in diversity. A large number of diverse fungi were able to thrive under elevated Cu concentrations, though within the order of Hypocreales several species declined. A remarkable Cu-induced change in the community composition was found, which depended on the soil properties and, hence, on Cu availability.
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Affiliation(s)
- Katharina M Keiblinger
- Institute of Soil Research, University of Natural Resources and Life Sciences, Vienna, Austria.
| | - Martin Schneider
- Institute of Soil Research, University of Natural Resources and Life Sciences, Vienna, Austria
- AIT Austrian Institute of Technology, Center for Energy, Business Unit Environmental Resources & Technologies, Tulln, Austria
| | - Markus Gorfer
- AIT Austrian Institute of Technology, Center for Health and Bioresources, Business Unit Bioresources, Tulln, Austria
| | - Melanie Paumann
- Institute of Soil Research, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Evi Deltedesco
- Institute of Soil Research, University of Natural Resources and Life Sciences, Vienna, Austria
- AIT Austrian Institute of Technology, Center for Health and Bioresources, Business Unit Bioresources, Tulln, Austria
| | | | - Lisa Jöchlinger
- Institute of Soil Research, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Axel Mentler
- Institute of Soil Research, University of Natural Resources and Life Sciences, Vienna, Austria
| | | | - Gerhard Soja
- AIT Austrian Institute of Technology, Center for Energy, Business Unit Environmental Resources & Technologies, Tulln, Austria
| | - Franz Zehetner
- Institute of Soil Research, University of Natural Resources and Life Sciences, Vienna, Austria
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9
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10
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Zhao RL, Li GJ, Sánchez-Ramírez S, Stata M, Yang ZL, Wu G, Dai YC, He SH, Cui BK, Zhou JL, Wu F, He MQ, Moncalvo JM, Hyde KD. A six-gene phylogenetic overview of Basidiomycota and allied phyla with estimated divergence times of higher taxa and a phyloproteomics perspective. FUNGAL DIVERS 2017. [DOI: 10.1007/s13225-017-0381-5] [Citation(s) in RCA: 86] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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11
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The isolation and characterization of resident yeasts from the phylloplane of Arabidopsis thaliana. Sci Rep 2016; 6:39403. [PMID: 28004784 PMCID: PMC5177952 DOI: 10.1038/srep39403] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 11/23/2016] [Indexed: 11/08/2022] Open
Abstract
The genetic model plant Arabidopsis thaliana (arabidopsis) has been instrumental to recent advances in our understanding of the molecular function of the plant immune system. However, this work has not yet included plant associated and phytopathogenic yeasts largely due to a lack of yeast species known to interact with arabidopsis. The plant phylloplane is a significant habitat for neutral-residents, plant-growth and health-promoting species, and latent-pathogenic species. However, yeast phylloplane residents of arabidopsis remain underexplored. To address this, resident yeasts from the phyllosphere of wild arabidopsis collected in field conditions have been isolated and characterized. A total of 95 yeast strains representing 23 species in 9 genera were discovered, including potentially psychrophilic and pathogenic strains. Physiological characterization revealed thermotolerance profiles, sensitivity to the arabidopsis phytoalexin camalexin, the production of indolic compounds, and the ability to activate auxin responses in planta. These results indicate a rich diversity of yeasts present in the arabidopsis phylloplane and have created culture resources and information useful in the development of model systems for arabidopsis-yeast interactions.
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12
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Duarte AWF, Passarini MRZ, Delforno TP, Pellizzari FM, Cipro CVZ, Montone RC, Petry MV, Putzke J, Rosa LH, Sette LD. Yeasts from macroalgae and lichens that inhabit the South Shetland Islands, Antarctica. ENVIRONMENTAL MICROBIOLOGY REPORTS 2016; 8:874-885. [PMID: 27518570 DOI: 10.1111/1758-2229.12452] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2016] [Accepted: 08/04/2016] [Indexed: 06/06/2023]
Abstract
Antarctic terrestrial ecosystems are largely dominated by lichens, while shallow coastal environments are mainly covered by macroalgae. The aim of this study was to isolate and to evaluate the diversity of yeasts in different species of macroalgae and lichens collected in South Shetland Islands, Antarctica. A total of 405 yeasts were recovered (205 from macroalgae and 200 from lichens). The yeast community from macroalgae was most diversity than the yeast community from lichen. The dominance index was similar for both substrates. A total of 24 taxa from macroalgae and 18 from lichens were identified, and only 5 were common to both substrates. Metschnikowia australis, Mrakia sp., Rhodotorula glacialis and Glaciozyma litorale were the most abundant yeasts in macroalgae and Cryptococcus victoriae, Rhodotorula laryngis, Rhodotorula arctica, Trichosporon sp. 1 and Mrakia sp. were the most abundant in lichens. Based on molecular and phylogenetic analyses, four yeast from macroalgae and six from lichens were considered potential new species. This is the first study to report the yeast communities from the Antarctic macroalgae Himantothallus grandifolius and lichen Ramalina terebrata. Results suggest that Antarctic phyco and lichensphere represent a huge substrate for cold-adapted yeasts and enhanced the knowledge of the microbiota from extreme environments.
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Affiliation(s)
- Alysson Wagner Fernandes Duarte
- Divisão de Recursos Microbianos, Centro Pluridisciplinar de Pesquisas Químicas, Biológicas e Agrícolas, Universidade Estadual de Campinas, Paulínia, SP, Brazil
- Universidade Federal de Alagoas, Campus Arapiraca, Arapiraca, Alagoas, Brazil
| | - Michel Rodrigo Zambrano Passarini
- Instituto Latino Americano de Ciências da Vida e da Natureza, Centro Interdisciplinar de Ciências da Vida, Universidade Federal da Integração Latino-Americana, Foz do Iguaçu, Paraná, Brazil
| | - Tiago Palladino Delforno
- Divisão de Recursos Microbianos, Centro Pluridisciplinar de Pesquisas Químicas, Biológicas e Agrícolas, Universidade Estadual de Campinas, Paulínia, SP, Brazil
| | - Franciane Maria Pellizzari
- Campus Paranaguá, Laboratório de Ficologia e Qualidade de Água Marinha, Universidade Estadual do Paraná, Foz do Iguaçu, Paraná, Brazil
| | - Caio Vinicius Zecchin Cipro
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS - Université de La Rochelle, 2 rue Olympe de Gouges, La Rochelle Cedex 01, 17042, France
- Laboratório de Química Orgânica Marinha, Instituto Oceanográfico, Universidade de São Paulo, São Paulo, Brazil
| | - Rosalinda Carmela Montone
- Laboratório de Química Orgânica Marinha, Instituto Oceanográfico, Universidade de São Paulo, São Paulo, Brazil
| | - Maria Virginia Petry
- Laboratório de Ornitologia e Animais Marinhos, Universidade do Vale do Rio dos Sinos São Leopoldo, UNISINOS - RS, São Leopoldo, Brazil
| | - Jair Putzke
- Universidade de Santa Cruz do Sul, Santa Cruz do Sul, Rio Grande do Sul, Brazil
| | - Luiz Henrique Rosa
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Lara Durães Sette
- Divisão de Recursos Microbianos, Centro Pluridisciplinar de Pesquisas Químicas, Biológicas e Agrícolas, Universidade Estadual de Campinas, Paulínia, SP, Brazil
- Laboratório de Micologia Ambiental e Industrial, Departamento de Bioquímica e Microbiologia, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho, Rio Claro, SP, Brazil
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Zhang T, Wang NF, Zhang YQ, Liu HY, Yu LY. Diversity and Distribution of Aquatic Fungal Communities in the Ny-Ålesund Region, Svalbard (High Arctic): Aquatic Fungi in the Arctic. MICROBIAL ECOLOGY 2016; 71:543-554. [PMID: 26492897 DOI: 10.1007/s00248-015-0689-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 10/08/2015] [Indexed: 06/05/2023]
Abstract
We assessed the diversity and distribution of fungi in 13 water samples collected from four aquatic environments (stream, pond, melting ice water, and estuary) in the Ny-Ålesund Region, Svalbard (High Arctic) using 454 pyrosequencing with fungi-specific primers targeting the internal transcribed spacer (ITS) region of the ribosomal rRNA gene. Aquatic fungal communities in this region showed high diversity, with a total of 43,061 reads belonging to 641 operational taxonomic units (OTUs) being found. Of these OTUs, 200 belonged to Ascomycota, 196 to Chytridiomycota, 120 to Basidiomycota, 13 to Glomeromycota, and 10 to early diverging fungal lineages (traditional Zygomycota), whereas 102 belonged to unknown fungi. The major orders were Helotiales, Eurotiales, and Pleosporales in Ascomycota; Chytridiales and Rhizophydiales in Chytridiomycota; and Leucosporidiales and Sporidiobolales in Basidiomycota. The common fungal genera Penicillium, Rhodotorula, Epicoccum, Glaciozyma, Holtermanniella, Betamyces, and Phoma were identified. Interestingly, the four aquatic environments in this region harbored different aquatic fungal communities. Salinity, conductivity, and temperature were important factors in determining the aquatic fungal diversity and community composition. The results suggest the presence of diverse fungal communities and a considerable number of potentially novel fungal species in Arctic aquatic environments, which can provide reliable data for studying the ecological and evolutionary responses of fungi to climate change in the Arctic ecosystem.
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Affiliation(s)
- Tao Zhang
- China Pharmaceutical Culture Collection, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Neng-Fei Wang
- Key Lab of Marine Bioactive Substances, First Institute of Oceanography, State Oceanic Administration, Qingdao, 266061, People's Republic of China
| | - Yu-Qin Zhang
- China Pharmaceutical Culture Collection, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Hong-Yu Liu
- China Pharmaceutical Culture Collection, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Li-Yan Yu
- China Pharmaceutical Culture Collection, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China.
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15
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Liu XZ, Wang QM, Theelen B, Groenewald M, Bai FY, Boekhout T. Phylogeny of tremellomycetous yeasts and related dimorphic and filamentous basidiomycetes reconstructed from multiple gene sequence analyses. Stud Mycol 2015; 81:1-26. [PMID: 26955196 PMCID: PMC4777771 DOI: 10.1016/j.simyco.2015.08.001] [Citation(s) in RCA: 112] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
The Tremellomycetes (Basidiomycota) contains a large number of unicellular and dimorphic fungi with stable free-living unicellular states in their life cycles. These fungi have been conventionally classified as basidiomycetous yeasts based on physiological and biochemical characteristics. Many currently recognised genera of these yeasts are mainly defined based on phenotypical characters and are highly polyphyletic. Here we reconstructed the phylogeny of the majority of described anamorphic and teleomorphic tremellomycetous yeasts using Bayesian inference, maximum likelihood, and neighbour-joining analyses based on the sequences of seven genes, including three rRNA genes, namely the small subunit of the ribosomal DNA (rDNA), D1/D2 domains of the large subunit rDNA, and the internal transcribed spacer regions (ITS 1 and 2) of rDNA including 5.8S rDNA; and four protein-coding genes, namely the two subunits of the RNA polymerase II (RPB1 and RPB2), the translation elongation factor 1-α (TEF1) and the mitochondrial gene cytochrome b (CYTB). With the consideration of morphological, physiological and chemotaxonomic characters and the congruence of phylogenies inferred from analyses using different algorithms based on different data sets consisting of the combined seven genes, the three rRNA genes, and the individual protein-coding genes, five major lineages corresponding to the orders Cystofilobasidiales, Filobasidiales, Holtermanniales, Tremellales, and Trichosporonales were resolved. A total of 45 strongly supported monophyletic clades with multiple species and 23 single species clades were recognised. This phylogenetic framework will be the basis for the proposal of an updated taxonomic system of tremellomycetous yeasts that will be compatible with the current taxonomic system of filamentous basidiomycetes accommodating the ‘one fungus, one name’ principle.
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Affiliation(s)
- X-Z Liu
- State Key Laboratory for Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
| | - Q-M Wang
- State Key Laboratory for Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
| | - B Theelen
- CBS Fungal Biodiversity Centre (CBS-KNAW), Uppsalalaan 8, Utrecht, The Netherlands
| | - M Groenewald
- CBS Fungal Biodiversity Centre (CBS-KNAW), Uppsalalaan 8, Utrecht, The Netherlands
| | - F-Y Bai
- State Key Laboratory for Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China; CBS Fungal Biodiversity Centre (CBS-KNAW), Uppsalalaan 8, Utrecht, The Netherlands
| | - T Boekhout
- State Key Laboratory for Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China; CBS Fungal Biodiversity Centre (CBS-KNAW), Uppsalalaan 8, Utrecht, The Netherlands; Shanghai Key Laboratory of Molecular Medical Mycology, Changzheng Hospital, Second Military Medical University, Shanghai, PR China
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16
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Kurtzman CP, Mateo RQ, Kolecka A, Theelen B, Robert V, Boekhout T. Advances in yeast systematics and phylogeny and their use as predictors of biotechnologically important metabolic pathways. FEMS Yeast Res 2015; 15:fov050. [PMID: 26136514 DOI: 10.1093/femsyr/fov050] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/29/2015] [Indexed: 01/02/2023] Open
Abstract
Detection, identification and classification of yeasts have undergone a major transformation in the last decade and a half following application of gene sequence analyses and genome comparisons. Development of a database (barcode) of easily determined DNA sequences from domains 1 and 2 (D1/D2) of the nuclear large subunit rRNA gene and from ITS now permits many laboratories to identify species quickly and accurately, thus replacing the laborious and often inaccurate phenotypic tests previously used. Phylogenetic analysis of gene sequences is leading to a major revision of yeast systematics that will result in redefinition of nearly all genera. This new understanding of species relationships has prompted a change of rules for naming and classifying yeasts and other fungi, and these new rules are presented in the recently implemented International Code of Nomenclature for algae, fungi, and plants (Melbourne Code). The use of molecular methods for species identification and the impact of Code changes on classification will be discussed, as will use of phylogeny for prediction of biotechnological applications.
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Affiliation(s)
- Cletus P Kurtzman
- Bacterial Foodborne Pathogens and Mycology Research Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, U.S. Department of Agriculture, Peoria, IL 61604, USA
| | - Raquel Quintilla Mateo
- CBS Fungal Biodiversity Centre (CBS-KNAW), 3584 CT Utrecht, the Netherlands Laboratory of Molecular Cell Biology, Institute of Botany and Microbiology, KU Leuven, B-3001 Leuven, Belgium Department of Molecular Microbiology, VIB, Kasteelpark Arenberg 31, B-3001 Leuven-Heverlee, Flanders, Belgium
| | - Anna Kolecka
- CBS Fungal Biodiversity Centre (CBS-KNAW), 3584 CT Utrecht, the Netherlands
| | - Bart Theelen
- CBS Fungal Biodiversity Centre (CBS-KNAW), 3584 CT Utrecht, the Netherlands
| | - Vincent Robert
- CBS Fungal Biodiversity Centre (CBS-KNAW), 3584 CT Utrecht, the Netherlands
| | - Teun Boekhout
- CBS Fungal Biodiversity Centre (CBS-KNAW), 3584 CT Utrecht, the Netherlands
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17
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Liu XZ, Wang QM, Göker M, Groenewald M, Kachalkin A, Lumbsch H, Millanes A, Wedin M, Yurkov A, Boekhout T, Bai FY. Towards an integrated phylogenetic classification of the Tremellomycetes. Stud Mycol 2015; 81:85-147. [PMID: 26955199 PMCID: PMC4777781 DOI: 10.1016/j.simyco.2015.12.001] [Citation(s) in RCA: 287] [Impact Index Per Article: 31.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Families and genera assigned to Tremellomycetes have been mainly circumscribed by morphology and for the yeasts also by biochemical and physiological characteristics. This phenotype-based classification is largely in conflict with molecular phylogenetic analyses. Here a phylogenetic classification framework for the Tremellomycetes is proposed based on the results of phylogenetic analyses from a seven-genes dataset covering the majority of tremellomycetous yeasts and closely related filamentous taxa. Circumscriptions of the taxonomic units at the order, family and genus levels recognised were quantitatively assessed using the phylogenetic rank boundary optimisation (PRBO) and modified general mixed Yule coalescent (GMYC) tests. In addition, a comprehensive phylogenetic analysis on an expanded LSU rRNA (D1/D2 domains) gene sequence dataset covering as many as available teleomorphic and filamentous taxa within Tremellomycetes was performed to investigate the relationships between yeasts and filamentous taxa and to examine the stability of undersampled clades. Based on the results inferred from molecular data and morphological and physiochemical features, we propose an updated classification for the Tremellomycetes. We accept five orders, 17 families and 54 genera, including seven new families and 18 new genera. In addition, seven families and 17 genera are emended and one new species name and 185 new combinations are proposed. We propose to use the term pro tempore or pro tem. in abbreviation to indicate the species names that are temporarily maintained.
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Key Words
- A. cacaoliposimilis (J.L. Zhou, S.O. Suh & Gujjari) Kachalkin, A.M. Yurkov & Boekhout
- A. dehoogii (Middelhoven, Scorzetti & Fell) A.M. Yurkov & Boekhout
- A. domesticum (Sugita, A. Nishikawa & Shinoda) A.M. Yurkov & Boekhout
- A. dulcitum (Berkhout) A.M. Yurkov & Boekhout
- A. gamsii (Middelhoven, Scorzetti, Sigler & Fell) A.M. Yurkov & Boekhout
- A. gracile (Weigmann & A. Wolff) A.M. Yurkov & Boekhout
- A. laibachii (Windisch) A.M. Yurkov & Boekhout
- A. lignicola (Diddens) A.M. Yurkov & Boekhout
- A. loubieri (Morenz) A.M. Yurkov & Boekhout
- A. montevideense (L.A. Queiroz) A.M. Yurkov & Boekhout
- A. mycotoxinivorans (O. Molnár, Schatzm. & Prillinger) A.M. Yurkov & Boekhout
- A. scarabaeorum (Middelhoven, Scorzetti & Fell) A.M. Yurkov & Boekhout
- A. siamense (Nakase, Jindam., Sugita & H. Kawas.) Kachalkin, A.M. Yurkov & Boekhout
- A. sporotrichoides (van Oorschot) A.M. Yurkov & Boekhout
- A. vadense (Middelhoven, Scorzetti & Fell) A.M. Yurkov & Boekhout
- A. veenhuisii (Middelhoven, Scorzetti & Fell) A.M. Yurkov & Boekhout
- A. wieringae (Middelhoven) A.M. Yurkov & Boekhout
- A. xylopini (S.O. Suh, Lee, Gujjari & Zhou) Kachalkin, A.M. Yurkov & Boekhout
- Apiotrichumbrassicae (Nakase) A.M. Yurkov & Boekhout
- Bandonia A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bandoniamarina (van Uden & Zobell) A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bu. foliicola (Q.M. Wang, F.Y. Bai, Boekhout & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bu. hainanense (Q.M. Wang, F.Y. Bai, Boekhout & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bu. panici (Fungsin, M. Takash. & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bu. pseudovariabile (F.Y. Bai, M. Takash. & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bu. sanyaense (Q.M. Wang, F.Y. Bai, Boekhout & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bu. setariae (Nakase, Tsuzuki, F.L. Lee & M. Takash.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bu. siamense (Fungsin, M. Takash. & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bu. variabile (Nakase & M. Suzuki) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bu. wuzhishanense (Q.M. Wang, F.Y. Bai, Boekhout & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bulleraceae X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bulleribasidiaceae X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Bulleribasidiumbegoniae (Nakase, Tsuzuki, F.L. Lee & M. Takash.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Carc. polyporina (D.A. Reid) A.M. Yurkov
- Carcinomycesarundinariae (Fungsin, M. Takash. & Nakase) A.M. Yurkov
- Carlosrosaea A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Carlosrosaeavrieseae (Landell, Brandão, Safar, Gomes, Félix, Santos, Pagani, Ramos, Broetto, Mott, Valente & Rosa) A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cr. luteus (Roberts) Boekhout, Liu, Bai & M. Groenew.
- Cryptococcusdepauperatus (Petch) Boekhout, Liu, Bai & M. Groenew.
- Cu. curvatus (Diddens & Lodder) A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. cutaneum (de Beurmann, Gougerot & Vaucher) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. cyanovorans (Motaung, Albertyn, J.L.F. Kock et Pohl) A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. daszewskae (Takash., Sugita, Shinoda & Nakase) A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. debeurmannianum (Sugita, Takash., Nakase & Shinoda) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. dermatis (Sugita, Takash., Nakase, Ichikawa, Ikeda & Shinoda) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. guehoae (Middelhoven, Scorzettii & Fell) A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. haglerorum (Middelhoven, Á. Fonseca, S.C. Carreiro, Pagnocca & O.C. Bueno) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. jirovecii (Frágner) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. moniliiforme (Weigmann & A. Wolff) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. mucoides (E. Guého & M.T. Smith) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. oleaginosus (J.J. Zhou, S.O. Suh & Gujjari) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. smithiae (Middelhoven, Scorzetti, Sugita & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cu. terricola (Sugita, M. Takash. & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cutaneotrichosporon X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Cutaneotrichosporonarboriformis (Sugita, M. Takash., Sano, Nishim., Kinebuchi, S. Yamag. & Osanai) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Dimennazyma X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Dimennazyma cistialbidi (Á. Fonseca, J. Inácio & Spenc.-Mart.) A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Effuseotrichosporon A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Effuseotrichosporon vanderwaltii (Motaung, Albertyn, Kock, C.F. Lee, S.O. Suh, M. Blackwell & C.H. Pohl) A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Fil. magnum (Lodder & Kreger-van Rij) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Fil. oeirense (Á. Fonseca, Scorzetti & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Fil. stepposum (Golubev & J.P. Samp.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Fil. wieringae (Á. Fonseca, Scorzetti & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Filobasidium chernovii (Á. Fonseca, Scorzetti & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Fon. mujuensis (K.S. Shin & Y.H. Park) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Fon. tronadorensis (V. De Garcia, Zalar, Brizzio, Gunde-Cim. & van Brook) A.M. Yurkov
- Fonsecazyma X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Fonsecazyma betulae (K. Sylvester, Q.M. Wang, C. T. Hittinger) A.M. Yurkov, A.V. Kachalkin & Boekhout
- Gelidatrema A.M. Yurkov, X.Z. Liu, F.Y. Bai
- Gelidatrema spencermartinsiae (Garcia, Brizzio, Boekhout, Theelen, Libkind & van Broock) A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Gen. armeniaca (Á. Fonseca & J. Inácio) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Gen. bromeliarum (Landell & P. Valente) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Gen. tibetensis (F.Y. Bai & Q.M. Wang) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Genolevuria X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Genolevuria amylolytica (Á. Fonseca, J. Inácio & Spenc.-Mart.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Gof. agrionensis (Russo, Libkind, Samp. & van Broock) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Gof. gastrica (Reiersöl & di Menna) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Gof. gilvescens (Chernov & Babeva) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Gof. iberica (Gadanho & J.P. Samp.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Gof. metallitolerans (Gadanho & J.P. Samp.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Goffeauzyma X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Goffeauzyma aciditolerans (Gadanho & J.P. Samp.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Haglerozyma X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Haglerozymachiarellii (Pagnocca, Legaspe, Rodrigues & Ruivo) A. M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Het. bachmannii (Diederich & M.S. Christ.) Millanes & Wedin
- Het. physciacearum (Diederich) Millanes & Wedin
- Heterocephalacriaarrabidensis (Á. Fonseca, Scorzetti & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Itersoniliapannonica (Niwata, Takash., Tornai-Lehoczki, T. Deák & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Jelly fungi
- Ko. distylii (Hamam., Kuroy. & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Ko. fuzhouensis (J.Z. Yue) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Ko. lichenicola (Prillinger, G. Kraep. & Lopandic) X.Z. Liu, F.Y. Bai
- Ko. mexicana (Lopandic, O. Molnár & Prillinger) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Ko. ogasawarensis (Hamam., Kuroy. & Nakase) X.Z. Liu, F.Y. Bai, Groenew. & Boekhout
- Ko. sichuanensis (Prillinger, G. Kraep. & Lopandic) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Kockovaellachinensis (Prillinger, G. Kraep. & Lopandic) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Kockovaellaprillingeri (Prillinger, G. Kraep. & Lopandic) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Kr. tahquamenonensis (Wang, Hulfachor, Sylvester and Hittinger) A.M. Yurkov
- Krasilnikovozyma X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Krasilnikovozymahuempii (C. Ramírez & A. E. González) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Kw. dejecticola (Thanh, Hai & Lachance) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Kw. dendrophila (Van der Walt & D.B. Scott) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Kw. pini (Golubev & Pfeiffer) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Kw. shivajii (S.R. Ravella, S.A. James, C.J. Bond, I.N. Roberts, K. Cross, Retter & P.J. Hobbs) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Kwoniellabestiolae (Thanh, Hai & Lachance) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- M. Groenew. & Boekhout
- M. cryoconiti (Margesin & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- M. niccombsii (Thomas-Hall) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Morphology
- Mrakiaaquatica (E.B.G. Jones & Slooff) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Mrakiaceae X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Multigene phylogeny
- Naem. microspora (Lloyd) Millanes & Wedin
- Naemateliaaurantialba (Bandoni & M. Zang) Millanes & Wedin
- Naemateliaceae X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. albida (Saito) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. albidosimilis (Vishniac & Kurtzman) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. antarctica (Vishniac & Kurtzman) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. bhutanensis (Goto & Sugiy.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. cerealis (Passoth, A.-C. Andersson, Olstorpe, Theelen, Boekhout & Schnürer) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. diffluens (Zach) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. friedmannii (Vishniac) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. liquefaciens (Saito & M. Ota) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. onofrii (Turchetti, Selbmann & Zucconi) A.M. Yurkov
- Nag. randhawae (Z.U. Khan, S.O. Suh. Ahmad, F. Hagen, Fell, Kowshik, Chandy & Boekhout) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. uzbekistanensis (Á. Fonseca, Scorzetti & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nag. vaughanmartiniae (Turchetti, Blanchette & Arenz) A.M. Yurkov
- Nag. vishniacii (Vishniac & Hempfling) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Naganishiaadeliensis (Scorzetti, I. Petrescu, Yarrow & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Niel. melastomae (Nakase, Tsuzuki, F.L. Lee & M. Takash.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nielozyma X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Nielozymaformosana (Nakase, Tsuzuki, F.L. Lee & M. Takash.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- P. mycophaga (G.W. Martin) Millanes & Wedin
- Pap. aspenensis (K. Ferreira-Paim, T.B. Ferreira, L. Andrade-Silva, D.J. Mora, D.J. Springer, J. Heitman, F.M. Fonseca, D. Matos, M.S.C. Melhem & M.L. Silva-Vergara) X.Z. Liu, F.Y. Bai, A.M. Yurkov & Boekhout
- Pap. aurea (Saito) M. Takash., Sugita, Shinoda & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pap. baii (A.M. Yurkov, M.A. Guerreiro & Á. Fonseca) A.M. Yurkov
- Pap. flavescens (Saito) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pap. fonsecae (V. de García, Zalar, Braizzio, Gunde-Cim. & van Brollck) A.M. Yurkov
- Pap. frias (V. de García, Zalar, Braizzio, Gunde-Cim. & van Brollck) A.M. Yurkov
- Pap. fuscus (J.P. Samp., J. Inácio, Fonseca & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pap. hoabinhensis (D.T. Luong, M. Takash., Ty. Dung & Nakase) A.M. Yurkov
- Pap. japonica (J.P. Samp., Fonseca & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pap. laurentii (Kuff.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pap. mangalensis (Fell, Statzell & Scorzett) A.M. Yurkov
- Pap. nemorosus (Golubev, Gadanho, J.P. Samp. & N.W. Golubev) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pap. perniciosus (Golubev, Gadanho, J.P. Samp. & N.W. Golubev) X.Z. Liu, F.Y. Bai
- Pap. pseudoalba (Nakase & M. Suzuki) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pap. rajasthanensis (Saluja & G.S. Prasad) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pap. ruineniae (A.M. Yurkov, M.A. Guerreiro & Á. Fonseca) A.M. Yurkov
- Pap. taeanensis (K.S. Shin & Y.H. Park) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pap. terrestris (Crestani, Landell, Faganello, Vainstein, Vishniac & P. Valente) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pap. wisconsinensis (Crestani, Landell, Faganello, Vainstein, Vishniac & P. Valente) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Papiliotremaanemochoreius (C.H. Pohl, Kock, P.W.J. van Wyk & Albertyn) F.Y. Bai, M. Groenew. & Boekhout
- Ph. mycetophiloides (Kobayasi) Millanes & Wedin
- Ph. neofoliacea (Chee J. Chen) Millanes & Wedin
- Ph. simplex (H.S. Jacks. & G.W. Martin) Millanes & Wedin
- Ph. skinneri (Phaff & Carmo Souza) A.M. Yurkov & Boekhout
- Phaeotremellaceae A.M. Yurkov & Boekhout
- Phaeotremellafagi (Middelhoven & Scorzetti) A.M. Yurkov & Boekhout
- Pis. cylindrica (Á. Fonseca, Scorzetti & Fell) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pis. fildesensis (T. Zhang & L.-Y. Yu) A.M. Yurkov
- Pis. filicatus (Golubev & J.P. Samp.) Kachalkin
- Pis. silvicola (Golubev & J.P. Samp.) X.Z. Liu, F.Y. Bai, Groenew. & Boekhout
- Pis. sorana (Hauerslev) A.M. Yurkov
- Pis. taiwanensis (Nakase, Tsuzuki & M. Takash.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Piskurozyma X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Piskurozymacapsuligena (Fell, Statzell, I.L. Hunter & Phaff) A.M. Yurkov
- Piskurozymaceae X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Ps. lacticolor (Satoh & Makimura) A.M. Yurkov
- Ps. moriformis (Berk.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Ps. nivalis (Chee J. Chen) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Pseudotremella X.Z. Liu, F.Y. Bai, A.M. Yurkov, M. Groenew. & Boekhout
- Pseudotremellaallantoinivorans (Middelhoven) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- R. complexa (Landell, Pagnocca, Sette, Passarini, Garcia, Ribeiro, Lee, Brandao, Rosa & Valente) X.Z. Liu, F.Y. Bai, M. Groenew., Boekhout & A.M. Yurkov
- R. fermentans (Lee) X.Z. Liu, F.Y. Bai, M. Groenew., Boekhout & A.M. Yurkov
- R. glucofermentans (S.O. Suh & Blackwell) X.Z. Liu, F.Y. Bai, M. Groenew., Boekhout & A.M. Yurkov
- R. nanyangensis (F.L. Hui & Q.H. Niu) X.Z. Liu, F.Y. Bai, M. Groenew., Boekhout & A.M. Yurkov
- R. noutii (Boekhout, Fell, Scorzett & Theelen) X.Z. Liu, F.Y. Bai, M. Groenew., Boekhout & A.M. Yurkov
- R. tunnelae (Boekhout, Fell, Scorzetti & Theelen) X.Z. Liu, F.Y. Bai, M. Groenew., Boekhout & A.M. Yurkov
- R. visegradensis (Peter & Dlauchy) X.Z. Liu, F.Y. Bai, M. Groenew., Boekhout & A.M. Yurkov
- Ranks
- Rhynchogastremaaquatica (Brandao, Valente, Pimenta & Rosa) X.Z. Liu, F.Y. Bai, M. Groenew., Boekhout & A.M. Yurkov
- Sait. ninhbinhensis (Luong, Takash., Dung & Nakase) A.M. Yurkov
- Sait. paraflava (Golubev & J.P. Samp.) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Sait. podzolica (Babeva & Reshetova) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Saitozyma X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Saitozymaflava (Saito) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Sol. fuscescens (Golubev) A.M. Yurkov
- Sol. keelungensis (C.F. Chang & S.M. Liu) A.M. Yurkov
- Sol. phenolicus (Á. Fonseca, Scorzetti & Fell) A.M. Yurkov
- Sol. terreus (Di Menna) A.M. Yurkov
- Sol. terricola (T.A. Pedersen) A.M. Yurkov
- Solicoccozyma X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Solicoccozymaaeria (Saito) A.M. Yurkov
- Sugitazyma A.M. Yurkov, X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Sugitazymamiyagiana (Nakase, Itoh, Takem. & Bandoni) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Tausoniapullulans (Lindner) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Taxonomy
- Tremellayokohamensis (Alshahni, Satoh & Makimura) A.M. Yurkov
- Tremellomycetes
- Trimorphomycessakaeraticus (Fungsin, M. Takash. & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew., Boekhout & A.M. Yurkov
- Trimorphomycetaceae X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Van. meifongana (C.F. Lee) Kachalkin, A.M. Yurkov & Boekhout
- Van. nantouana (C.F. Lee) Kachalkin, A.M. Yurkov & Boekhout
- Van. thermophila (Vogelmann, Chaves & Hertel) Kachalkin, A.M. Yurkov & Boekhout
- Vanrijafragicola (M. Takash., Sugita, Shinoda & Nakase) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Vis. dimennae (Fell & Phaff) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Vis. foliicola (Q.M. Wang & F.Y. Bai) A.M. Yurkov
- Vis. globispora (B.N. Johri & Bandoni) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Vis. heimaeyensis (Vishniac) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Vis. nebularis (Vishniac) A.M. Yurkov
- Vis. peneaus (Phaff, Mrak & O.B. Williams) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Vis. psychrotolerans (V. de García, Zalar, Brizzio, Gunde-Cim. & van Broock) A.M. Yurkov
- Vis. taibaiensis (Q.M. Wang & F.Y. Bai) A.M. Yurkov
- Vis. tephrensis (Vishniac) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Vis. victoriae (M.J. Montes, Belloch, Galiana, M.D. García, C. Andrés, S. Ferrer, Torr.-Rodr. & J. Guinea) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Vishniacozyma X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Vishniacozymacarnescens (Verona & Luchetti) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout
- Yeasts
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Affiliation(s)
- X.-Z. Liu
- State Key Laboratory for Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
- CBS Fungal Biodiversity Centre (CBS-KNAW), Uppsalalaan 8, Utrecht, The Netherlands
| | - Q.-M. Wang
- State Key Laboratory for Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
- CBS Fungal Biodiversity Centre (CBS-KNAW), Uppsalalaan 8, Utrecht, The Netherlands
| | - M. Göker
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Braunschweig 38124, Germany
| | - M. Groenewald
- CBS Fungal Biodiversity Centre (CBS-KNAW), Uppsalalaan 8, Utrecht, The Netherlands
| | - A.V. Kachalkin
- Faculty of Soil Science, Lomonosov Moscow State University, Moscow 119991, Russia
| | - H.T. Lumbsch
- Science & Education, The Field Museum, 1400 S. Lake Shore Drive, Chicago, IL 60605, USA
| | - A.M. Millanes
- Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, E-28933 Móstoles, Spain
| | - M. Wedin
- Department of Botany, Swedish Museum of Natural History, P.O. Box 50007, SE-10405 Stockholm, Sweden
| | - A.M. Yurkov
- Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Braunschweig 38124, Germany
| | - T. Boekhout
- State Key Laboratory for Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
- CBS Fungal Biodiversity Centre (CBS-KNAW), Uppsalalaan 8, Utrecht, The Netherlands
- Shanghai Key Laboratory of Molecular Medical Mycology, Changzheng Hospital, Second Military Medical University, Shanghai, PR China
| | - F.-Y. Bai
- State Key Laboratory for Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
- CBS Fungal Biodiversity Centre (CBS-KNAW), Uppsalalaan 8, Utrecht, The Netherlands
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18
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Two yeast species Cystobasidium psychroaquaticum f.a. sp. nov. and Cystobasidium rietchieii f.a. sp. nov. isolated from natural environments, and the transfer of Rhodotorula minuta clade members to the genus Cystobasidium. Antonie van Leeuwenhoek 2014; 107:173-85. [DOI: 10.1007/s10482-014-0315-0] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Accepted: 10/23/2014] [Indexed: 10/24/2022]
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19
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Millanes AM, Truong C, Westberg M, Diederich P, Wedin M. Host switching promotes diversity in host-specialized mycoparasitic fungi: uncoupled evolution in the Biatoropsis-usnea system. Evolution 2014; 68:1576-93. [PMID: 24495034 DOI: 10.1111/evo.12374] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Accepted: 01/24/2014] [Indexed: 12/15/2022]
Abstract
Fungal mycoparasitism-fungi parasitizing other fungi-is a common lifestyle in some basal lineages of the basidiomycetes, particularly within the Tremellales. Relatively nonaggressive mycoparasitic fungi of this group are in general highly host specific, suggesting cospeciation as a plausible speciation mode in these associations. Species delimitation in the Tremellales is often challenging because morphological characters are scant. Host specificity is therefore a great aid to discriminate between species but appropriate species delimitation methods that account for actual diversity are needed to identify both specialist and generalist taxa and avoid inflating or underestimating diversity. We use the Biatoropsis-Usnea system to study factors inducing parasite diversification. We employ morphological, ecological, and molecular data-methods including genealogical concordance phylogenetic species recognition (GCPSR) and the general mixed Yule-coalescent (GMYC) model-to assess the diversity of fungi currently assigned to Biatoropsis usnearum. The degree of cospeciation in this association is assessed with two cophylogeny analysis tools (ParaFit and Jane 4.0). Biatoropsis constitutes a species complex formed by at least seven different independent lineages and host switching is a prominent force driving speciation, particularly in host specialists. Combining ITS and nLSU is recommended as barcode system in tremellalean fungi.
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Affiliation(s)
- Ana M Millanes
- Departamento de Biología y Geología, Universidad Rey Juan Carlos, E-28933 Móstoles, Spain.
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20
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Jacquemyn H, Lenaerts M, Brys R, Willems K, Honnay O, Lievens B. Among-population variation in microbial community structure in the floral nectar of the bee-pollinated forest herb Pulmonaria officinalis L. PLoS One 2013; 8:e56917. [PMID: 23536759 PMCID: PMC3594240 DOI: 10.1371/journal.pone.0056917] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2012] [Accepted: 01/15/2013] [Indexed: 02/06/2023] Open
Abstract
Background Microbial communities in floral nectar have been shown to be characterized by low levels of species diversity, yet little is known about among-plant population variation in microbial community composition. Methodology/Principal Findings We investigated the microbial community structure (yeasts and bacteria) in floral nectar of ten fragmented populations of the bee-pollinated forest herb Pulmonaria officinalis. We also explored possible relationships between plant population size and microbial diversity in nectar, and related microbial community composition to the distance separating plant populations. Culturable bacteria and yeasts occurring in the floral nectar of a total of 100 plant individuals were isolated and identified by partially sequencing the 16S rRNA gene and D1/D2 domains of the 26S rRNA gene, respectively. A total of 9 and 11 yeast and 28 and 39 bacterial OTUs was found, taking into account a 3% (OTU0.03) and 1% sequence dissimilarity cut-off (OTU0.01). OTU richness at the plant population level (i.e. the number of OTUs per population) was low for yeasts (mean: 1.7, range: 0–4 OTUs0.01/0.03 per population), whereas on average 6.9 (range: 2–13) OTUs0.03 and 7.9 (range 2–16) OTUs0.01 per population were found for bacteria. Both for yeasts and bacteria, OTU richness was not significantly related to plant population size. Similarity in community composition among populations was low (average Jaccard index: 0.14), and did not decline with increasing distance between populations. Conclusions/Significance We found low similarity in microbial community structure among populations, suggesting that the assembly of nectar microbiota is to a large extent context-dependent. Although the precise factors that affect variation in microbial community structure in floral nectar require further study, our results indicate that both local and regional processes may contribute to among-population variation in microbial community structure in nectar.
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Affiliation(s)
- Hans Jacquemyn
- Division of Plant Ecology and Systematics, Biology Department, KU Leuven, Heverlee, Belgium.
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21
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22
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Passoth V, Tabassum MR, Nair HA, Olstorpe M, Tiukova I, Ståhlberg J. Enhanced ethanol production from wheat straw by integrated storage and pre-treatment (ISP). Enzyme Microb Technol 2013; 52:105-10. [DOI: 10.1016/j.enzmictec.2012.11.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2012] [Revised: 11/05/2012] [Accepted: 11/06/2012] [Indexed: 10/27/2022]
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23
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de Garcia V, Brizzio S, van Broock MR. Yeasts from glacial ice of Patagonian Andes, Argentina. FEMS Microbiol Ecol 2012; 82:540-50. [DOI: 10.1111/j.1574-6941.2012.01470.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2011] [Revised: 08/01/2012] [Accepted: 08/06/2012] [Indexed: 11/29/2022] Open
Affiliation(s)
- Virginia de Garcia
- Laboratorio de Microbiología Aplicada y Biotecnología; Centro Regional Universitario Bariloche; Universidad Nacional del Comahue; INIBIOMA (CONICET-UNCo); Río Negro; Argentina
| | - Silvia Brizzio
- Laboratorio de Microbiología Aplicada y Biotecnología; Centro Regional Universitario Bariloche; Universidad Nacional del Comahue; INIBIOMA (CONICET-UNCo); Río Negro; Argentina
| | - María Rosa van Broock
- Laboratorio de Microbiología Aplicada y Biotecnología; Centro Regional Universitario Bariloche; Universidad Nacional del Comahue; INIBIOMA (CONICET-UNCo); Río Negro; Argentina
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24
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de Garcia V, Zalar P, Brizzio S, Gunde-Cimerman N, van Broock M. Cryptococcus species (Tremellales) from glacial biomes in the southern (Patagonia) and northern (Svalbard) hemispheres. FEMS Microbiol Ecol 2012; 82:523-39. [PMID: 22861821 DOI: 10.1111/j.1574-6941.2012.01465.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2012] [Revised: 07/22/2012] [Accepted: 07/31/2012] [Indexed: 11/29/2022] Open
Abstract
Cryptococcus species (Basidiomycota) were isolated as the predominant yeast from glacial biomes of both Patagonia (Argentina) and the Svalbard archipelago (Norway). For a selected group of Cryptococcus belonging to Tremellales, assimilative profile, production of extracellular hydrolytic enzymes and ribosomal DNA internal transcribed spacer and large subunit (D1/D2) sequences were analysed. Cryptococcus victoriae, which was originally described from Antarctica, was the most frequently found species at both locations. High variability within the species was observed and described at the genotypic and phenotypic levels, two newly described species were found in both Patagonia and Svalbard: Cryptococcus fonsecae and Cryptococcus psychrotolerans. Two other new species were found only in Patagonia: Cryptococcus frias and Cryptococcus tronadorensis. Three additional new taxa were found, but they are not named as they were only represented by single isolates.
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Affiliation(s)
- Virginia de Garcia
- Laboratorio de Microbiología Aplicada y Biotecnología, Centro Regional Universitario Bariloche, INIBIOMA-CCT - CONICET, Universidad Nacional del Comahue, Río Negro, Argentina.
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25
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Mestre MC, Rosa CA, Safar SVB, Libkind D, Fontenla SB. Yeast communities associated with the bulk-soil, rhizosphere and ectomycorrhizosphere of a Nothofagus pumilio forest in northwestern Patagonia, Argentina. FEMS Microbiol Ecol 2011; 78:531-41. [PMID: 22067034 DOI: 10.1111/j.1574-6941.2011.01183.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Revised: 08/01/2011] [Accepted: 08/02/2011] [Indexed: 11/29/2022] Open
Abstract
Soil microorganisms play an important role in soil quality and they interact closely with vegetation. Little is known about yeast diversity and function in forest soil ecosystems and their interactions with other biotic soil components, particularly in the mycorrhizosphere. We studied the diversity of yeasts inhabiting the bulk-soil, rhizosphere and ectomycorrhizosphere of a Nothofagus pumilio forest in Nahuel Huapi National Park (Bariloche, Argentina). Ectomycorrhizal infection was observed in all N. pumilio trees studied. A total of 126 yeast isolates were obtained, including 18 known and three possibly new species. Basidiomycetous yeasts were predominant in all soil fractions, and the most frequently isolated species was Cryptococcus podzolicus. Diversity indices and multivariate analyses were used to study and compare yeast communities in the bulk-soil, rhizosphere and ectomycorrhizosphere. Yeasts able to ferment glucose were found associated with the rhizosphere. Many of the recovered yeast species were associated with lignocelluloses compound degradation, which suggest that yeast plays an important role as a decomposer in these forest soils. Each soil fraction has a distinct yeast assemblage related to their physiologic capacities and soil nutrient availability.
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Affiliation(s)
- M Cecilia Mestre
- Laboratorio de Microbiología Aplicada y Biotecnología, Centro Regional Universitario Bariloche, INIBIOMA (Universidad Nacional del Comahue-CONICET), Río Negro, Argentina.
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26
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Millanes AM, Diederich P, Ekman S, Wedin M. Phylogeny and character evolution in the jelly fungi (Tremellomycetes, Basidiomycota, Fungi). Mol Phylogenet Evol 2011; 61:12-28. [PMID: 21664282 DOI: 10.1016/j.ympev.2011.05.014] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2010] [Revised: 05/19/2011] [Accepted: 05/23/2011] [Indexed: 01/28/2023]
Abstract
The Tremellomycetes (Agaricomycotina, Basidiomycota, Fungi) are a nutritionally heterogeneous group comprising saprotrophs, animal parasites, and fungicolous species (fungal-inhabiting, including lichen-inhabiting). The relationships of many species, particularly those with a lichenicolous habit, have never been investigated by molecular methods. We present a phylogeny of the Tremellomycetes based on three nuclear DNA ribosomal markers (nSSU, 5.8S and nLSU), representing all main taxonomic groups and life forms, including lichenicolous taxa. The Cystofilobasidiales, Filobasidiales, Holtermanniales, and Tremellales (including the Trichosporonales) are recovered as monophyletic, but this is not the case for the Tremellomycetes. We suggest, however, that the Cystofilobasidiales tentatively continue to be included in the Tremellomycetes. As currently circumscribed, the Filobasidiaceae, Sirobasidiaceae, Syzygosporaceae and Tremellaceae are non-monophyletic. Cuniculitremaceae, Sirobasidiaceae and Tetragoniomycetaceae are nested within Tremellaceae. The lichenicolous species currently included within the Tremellomycetes belong in this group, distributed across the Filobasidiales and Tremellales. Lichen-inhabiting taxa do not form a monophyletic group; they are distributed in several clades and sometimes intermixed with taxa of other nutritional habits. Character state reconstruction indicates that two morphological traits claimed to characterize groups in the Tremellomycetes (the basidium habit and basidium septation) are highly homoplastic. Comparative phylogenetic methods suggest that the transitions between single and catenulate basidia in the Tremellales are consistent with a punctuational model of evolution whereas basidium septation is likely to have evolved under a graduational model in the clade comprising the Holtermanniales, Filobasidiales, and Tremellales.
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Affiliation(s)
- Ana M Millanes
- Departamento de Biología y Geología, Universidad Rey Juan Carlos, E-28933 Móstoles, Spain.
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27
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Yurkov AM, Schäfer AM, Begerow D. Leucosporidium drummii sp. nov., a member of the Microbotryomycetes isolated from soil. Int J Syst Evol Microbiol 2011; 62:728-734. [PMID: 21515705 DOI: 10.1099/ijs.0.027102-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Two strains of a novel teleomorphic basidiomycete were isolated from grassland soil. Standard phenotypic tests and phylogenetic analyses of 26S rRNA gene (D1/D2 domains) and ITS region sequences showed that the species belongs to the core group of the genus Leucosporidium. A novel species, Leucosporidium drummii sp. nov., is proposed to accommodate the two strains, with SEG-3-2-AY220(T) (=CBS 11562(T)=MUCL 52878(T)) as the type strain. In addition, phylogenetic analysis revealed great genetic variability in the Leucosporidium scottii complex.
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Affiliation(s)
- A M Yurkov
- Geobotanik, Fakultät für Biologie und Biotechnologie, Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany
| | - A M Schäfer
- Geobotanik, Fakultät für Biologie und Biotechnologie, Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany
| | - D Begerow
- Geobotanik, Fakultät für Biologie und Biotechnologie, Ruhr-Universität Bochum, Universitätsstraße 150, 44801 Bochum, Germany
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28
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Laitila A, Sarlin T, Raulio M, Wilhelmson A, Kotaviita E, Huttunen T, Juvonen R. Yeasts in malting, with special emphasis on Wickerhamomyces anomalus (synonym Pichia anomala). Antonie van Leeuwenhoek 2010; 99:75-84. [PMID: 20872177 DOI: 10.1007/s10482-010-9511-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2010] [Accepted: 09/15/2010] [Indexed: 10/19/2022]
Abstract
Malted barley is a major raw material of beer, as well as distilled spirits and several food products. The production of malt (malting) exploits the biochemical reactions of a natural process, grain germination. In addition to germinating grain, the malting process includes another metabolically active component: a diverse microbial community that includes various types of bacteria and fungi. Therefore, malting can be considered as a complex ecosystem involving two metabolically active groups. Yeasts and yeast-like fungi are an important part of this ecosystem, but previously the significance of yeasts in malting has been largely underestimated. Characterization and identification of yeasts in industrial processes revealed 25 ascomycetous yeasts belonging to 10 genera, and 18 basidiomycetous yeasts belonging to 7 genera. In addition, two ascomycetous yeast-like fungi belonging to the genera Aureobasidium and Exophiala were commonly detected. Yeasts and yeast-like fungi produced extracellular hydrolytic enzymes with a potentially positive contribution to the malt enzyme spectrum. Several ascomycetous yeast strains showed strong antagonistic activity against field and storage moulds, Wickerhamomyces anomalus (synonym Pichia anomala) being the most effective species. Malting studies revealed that W. anomalus VTT C-04565 effectively restricted Fusarium growth and hydrophobin production during malting and prevented beer gushing. In order to broaden the antimicrobial spectrum and to improve malt brewhouse performance, W. anomalus could be combined with other starter cultures such as Lactobacillus plantarum. Well-characterized microbial mixtures consisting of barley and malt-derived microbes open up several possibilities to improve malt properties and to ensure the safety of the malting process.
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Affiliation(s)
- Arja Laitila
- VTT Technical Research Centre of Finland, P.O.Box 1000, 02044 Espoo, Finland.
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