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  • 1.
    Kruys, Åsa
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Systematic Biology.
    New species of Preussia with 8-celled ascospores (Sporormiaceae, Pleosporales, Ascomycota)2015In: Phytotaxa, ISSN 1179-3155, E-ISSN 1179-3163, Vol. 234, no 2, 143-150 p.Article in journal (Refereed)
    Abstract [en]

    The focus of this study is on Preussia sensu lato species with 8-celled ascospores. Two new species, P. alpina and P. octocylindrospora are introduced based on morphological characters and discussed in relation to similar species in the genus. New records are provided from Sporormiella corynespora, S. octomegaspora, P. octomera and P. octonalis. This greatly expands or reduces their geographical distribution ranges, as well as substrate preferences. In addition, a key to the coprophilous species with 8-celled ascospores is provided.

  • 2.
    Kruys, Åsa
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Systematic Biology.
    Castlebury, Lisa
    USDA ARS Systematic Mycology and Microbiology Lab.
    Molecular phylogeny of Sydowiellaceae: resolving the position of Cainiella2012In: Mycologia, ISSN 0027-5514, E-ISSN 1557-2536, Vol. 104, no 2, 419-426 p.Article in journal (Refereed)
    Abstract [en]

    Cainiella is an ascomycete genus associated with arctic alpine plants. The systematic position of Cainiella has long been unclear, with current classifications placing the genus in either Sordariales or Xylariales. Our molecular results, based on mtSSU, ITS and nLSU rDNA data, clearly show that the genus belongs in the Sydowiellaceae (Diaporthales). The study also includes new sequences of Sydowiellaceae and contributes to a better knowledge of the phylogenetic relationships of that family.

  • 3.
    Kruys, Åsa
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolution, Genomics and Systematics, Systematic Botany.
    Ericson, L.
    Species richness of coprophilous ascomycetes in relation to variable food intake by herbivores2008In: Fungal diversity, ISSN 1560-2745, E-ISSN 1878-9129, Vol. 30, 73-81 p.Article in journal (Refereed)
    Abstract [en]

    The aim of this study was to study species richness and species composition of coprophilous ascomycetes in borcal forest. Dung was sampled at three localities and of three herbivores, moose (Alces alces), mountain hare (Lepus timidus), and roe deer (Capreolus capreolus). Species richness differed significantly among dung types and we also found a significant effect of the interaction between locality and dung type on the mean number of species. The highest species richness was found on roe deer dung. While moose did not differ from mountain hare. There was a strong positive relationship between the total number of ascomycete species and the number of plant species foraged by the three herbivores. We believe that food choice is one important factor influencing the species richness of coprophilous ascomycetes, and that some species are more associated with habitat and food choice of the herbivore, rather than a specific dung type/animal species. The composition of species on the different dung types is also discussed. Our results suggests that the coprophilous mycota in the boreal forest is poorly known, we found 47 species in total, four species were undescribed. I was new to Sweden, 24 species were new records for the province, and we made a total of 22 new substrate records.

  • 4.
    Kruys, Åsa
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Systematic Biology.
    Eriksson, Ove E.
    Umeå University.
    Sporsäckssvampar: svampworkshop med fokus på de allra minsta2010In: Fauna och flora : populär tidskrift för biologi, ISSN 0014-8903, Vol. 105, no 3, 18-19 p.Article in journal (Other (popular science, discussion, etc.))
  • 5. Kruys, Åsa
    et al.
    Eriksson, Ove E
    Wedin, Mats
    Phylogenetic relationships of coprophilous Pleosporales (Dothideomycetes, Ascomycota), and the classification of some bitunicate taxa of unknown position.2006In: Mycological Research, ISSN 0953-7562, E-ISSN 1469-8102, Vol. 110, 527-536 p.Article in journal (Refereed)
  • 6.
    Kruys, Åsa
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Systematic Biology.
    Huhndorf, Sabine M
    Miller, Andrew N
    Coprophilous contributions to the phylogeny of Lasiosphaeriaceae and allied taxa within Sordariales (Ascomycota, Fungi)2015In: Fungal diversity, ISSN 1560-2745, E-ISSN 1878-9129, Vol. 10, no 1, 101-113 p.Article in journal (Refereed)
    Abstract [en]

    The phylogenetic relationships of Lasiosphaeriaceae are complicated in that the family is paraphyletic and includes Sordariaceae and Chaetomiaceae, as well as several polyphyletic genera. This study focuses on the phylogenetic relationships of the coprophilous genera, Anopodium, Apodospora, Arnium, Fimetariella and Zygospermella. They are traditionally circumscribed based on ascospore characters, which have proven homoplasious in other genera within the family. Our results based on LSU nrDNA and ß–tubulin sequences distinguish four lineages ofLasiosphaeriaceae taxa. Anopodium joins the clade of morphologically similar, yellow-pigmented species of Cercophora and Lasiosphaeria. Apodospora is monophyletic and joins a larger group of taxa with unclear affinities to each other, while Arnium is polyphyletic being scattered throughout three of the four major clades of Lasiosphaeriaceae. Fimitariella is represented by a single collection and joins the clade containing Cercophora scortea and Podospora appendiculata. Zygospermellashows affinities to the Lasiosphaeris clade. Based on a combination of morphological and molecular data, Echria stat. nov. is recognized at the genus level for the former Arnium section and two new combinations are proposed: E. gigantospora and E. macrotheca.

  • 7.
    Kruys, Åsa
    et al.
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolution, Genomics and Systematics, Systematic Biology.
    Wedin, Mats
    Phylogenetic relationships and an assessment of traditionally used taxonomic characters in the Sporormiaceae (Pleosporales, Dothideomycetes, Ascomycota), utilising multi-gene phylogenies2009In: Systematics and Biodiversity, ISSN 1477-2000, E-ISSN 1478-0933, Vol. 7, no 4, 465-478 p.Article in journal (Refereed)
    Abstract [en]

    The family Sporormiaceae (Pleosporales, Dothideomycetes, Ascomycota) occur worldwide and a majority of the species are coprophilous. The taxonomy and classification of the family are based on a small number of morphological and ecological characters. Several taxa are easily confused by their shared morphological features, and the relationships between genera are poorly known and in need of critical study. The aims of this study were to resolve the phylogenetic relationships within the Sporormiaceae, test the current generic classification, and study the utility of traditional characters for the taxonomy in the group. To resolve these questions, we analysed combined data sets of ITS-nLSU rDNA, mtSSU rDNA and beta-tubulin sequences with parsimony and Bayesian methods. The results showed that many characters, which previously have been used in the taxonomy and classification of the Sporormiaceae, such as the substrate choice, presence or absence of an ostiole, and presence or absence of germ slits, were all homoplastic and not useful for circumscribing monophyletic groups. A number of characters may be useful for circumscribing smaller clades if used in combination with other features, such as the shape of the ascus with the shape of the ascospores. Our phylogenetic analyses show that Preussia and Sporormiella are non-monophyletic, and a constrained analysis forcing these genera into monophyly resulted in significantly worse trees. Spororminula is nested in Preussia s. lat., and Eremodothis and Pycnidiophora are nested within Westerdykella. Finally, we suggest a new generic classification for the family Sporormiaceae, including Sporormia, Preussia (including Sporomiella and Spororminula) and Westerdykella (including Eremodothis and Pycnidiophora). We also propose 14 new combinations: Preussia alloiomera (S.I. Ahmed & Cain) Kruys, Preussia antarctica (Speg.) Kruys, Preussia bipartis (Cain) Kruys, Preussia borealis (I.Egeland) Kruys, Preussia dubia (S.I. Ahmed & Cain) Kruys, Preussia lignicola (W. Phillips & Plowr.) Kruys, Preussia longisporopsis (S.I. Ahmed & Cain) Kruys, Preussia minipascua (S.I. Ahmed & Cain) Kruys, Preussia octomera (Auersw.) Kruys, Preussia splendens (Cain) Kruys, Preussia tenerifae (Arx & Aa) Kruys, Preussia tetramera (S.I. Ahmed & Cain) Kruys, Westerdykella angulata (A.C. Das) Kruys and Westerdykella aurantiaca (J.N. Rai & J.P. Tewari) Kruys.

  • 8. Nyberg, Åsa
    et al.
    Persson, Ingalill
    Habitat differences of coprophilous fungi on moose dung.2002In: Mycological Research, ISSN 0953-7562, E-ISSN 1469-8102, Vol. 106, 1360-1366 p.Article in journal (Refereed)
  • 9. Schoch, C. L.
    et al.
    Crous, P. W.
    Groenewald, J. Z.
    Boehm, E. W. A.
    Burgess, T. I.
    de Gruyter, J.
    de Hoog, G. S.
    Dixon, L. J.
    Grube, M.
    Gueidan, C.
    Harada, Y.
    Hatakeyama, S.
    Hirayama, K.
    Hosoya, T.
    Huhndorf, S. M.
    Hyde, K. D.
    Jones, E. B. G.
    Kohlmeyer, J.
    Kruys, Åsa
    Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolution, Genomics and Systematics, Systematic Biology.
    Li, Y. M.
    Lücking, R.
    Lumbsch, H. T.
    Marvanová, L.
    Mbatchou, J. S.
    McVay, A. H..
    Miller, A. N.
    Mugambi, G. K.
    Muggia, L.
    Nelsen, M. P.
    Nelson, P.
    Owensby, C. A.
    Phillips, A. J. L.
    Phongpaichit, S.
    Pointing, S. B.
    Pujade-Renaud, V.
    Raja, H. A.
    Plata, E. Rivas
    Robbertse, B.
    Ruibal, C.
    Sakayaroj, J.
    Sano, T.
    Selbmann, L.
    Shearer, C. A.
    Shirouzu, T.
    Slippers, B.
    Suetrong, S.
    Tanaka, K.
    Volkmann-Kohlmeyer, B.
    Wingfield, M. J.
    Wood, A. R.
    Woudenberg, J. H. C.
    Yonezawa, H.
    Zhang, Y.
    Spatafora, J. W.
    A class-wide phylogenetic assessment of Dothideomycetes2009In: Studies in mycology, ISSN 0166-0616, E-ISSN 1872-9797, Vol. 64, 1-15 p.Article, review/survey (Refereed)
    Abstract [en]

    We present a comprehensive phylogeny derived from 5 genes, nucSSU, nucLSU rDNA, TEF1, RPB1 and RPB2, for 356 isolates and 41 families (six newly described in this volume) in Dothideomycetes. All currently accepted orders in the class are represented for the first time in addition to numerous previously unplaced lineages. Subclass Pleosporomycetidae is expanded to include the aquatic order Jahnulales. An ancestral reconstruction of basic nutritional modes supports numerous transitions from saprobic life histories to plant associated and lichenised modes and a transition from terrestrial to aquatic habitats are confirmed. Finally, a genomic comparison of 6 dothideomycete genomes with other fungi finds a high level of unique protein associated with the class, supporting its delineation as a separate taxon.

  • 10. Wedin, M
    et al.
    Wiklund, E
    Crewe, A
    Döring, H
    Ekman, S
    Nyberg, Åsa
    Schmitt, I
    Lumbsch, T
    Phylogenetic relationships of Lecanoromycetes (Ascomycota) as revealed by analyses of mtSSU and nLSU rDNA sequence data.2005In: Mycological Research, ISSN 0953-7562, E-ISSN 1469-8102, Vol. 109, 159-172 p.Article in journal (Refereed)
1 - 10 of 10
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