Phytopathogenic Dothideomycetes - CBS - KNAW

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De Gruyter et al. CBS 246.79 Pleospora calvescens 100 CBS 432.77 Ascochyta obiones 99 CBS 206.80 Ascochyta hyalospora CBS 523.66 Pleospora betae, anam. Phoma betae Pleosporaceae (A) 100 100 DAOM 226212 Cocliobolus sativus 100 CBS 191.86 Pleospora herbarum 100 OSC100066 Pyrenophora tritici-repentis CBS 132.69 Pleospora typhicola 100 64 CBS 165.78 Phoma dimorphospora CBS 448.68 Phoma heteromorphospora 56 CBS 269.92 Phoma drobnjacensis 100 60 CBS 275.63 Leptosphaeria maculans, anam. Phoma lingam CBS 119951 Leptosphaeria biglobosa Leptosphaeriaceae (B) 57 CBS 551.93 Phoma tracheiphila CBS 539.63 Phoma vasinfecta CBS 122783 Plectophomella visci 68 99 CBS 363.93 Cucurbitaria berberidis CBS 257.68 Pyrenochaeta cava CBS 407.76 Pyrenochaeta nobilis 100 Cucurbitariaceae (C) 81 81 CBS 101635 Pyrenochaetopsis leptospora CBS 267.59 Pyrenochaeta lycopersici 54 89 CBS 389.80 Leptosphaeria slovacica 100 CBS 505.75 Leptosphaeria doliolum subsp. doliolum Leptosphaeriaceae (D) CBS 616.75 Leptosphaeria conoidea 88 100 CBS 216.75 Chaetosphaeronema hispidulum CBS 335.29 Setophoma terrestris CBS 110109 Phaeosphaeria nodorum CBS 138.96 Neosetophoma samarorum Phaeosphaeriaceae (E) 99 80 CBS 111.79 Paraphoma radicina CBS 110217 Setomelanomma holmii 100 CBS 124455 Phoma glycinicola 93 CBS 124140 Pyrenochaeta dolichi 77 CBS 105.91 Phoma carteri Clade F CBS 101636 Phoma septicidalis CBS 400.71 Coniothyrium palmarum CBS 102202 Neophaeosphaeria filamentosa 100 CBS 133.96 Stagonosporopsis bryoniae CBS 378.67 Didymella lycopersici 100 CBS 183.55 Didymella exigua 100 CBS 615.75 Phoma herbarum Didymellaceae (G) CBS 560.81 Phoma paspali 100 CBS 122788 Paraconiothyrium minitans 100 CBS 652.86 Paraphaeosphaeria michotii Montagnulaceae 100 CBS 797.95 Coniothyrium fuckelii 97 CBS 331.37 Neottiosporina paspali Massarinaceae CBS 252.60 Pyrenochaeta romeroi CBS 674.75 Pyrenochaeta mackinnonii CBS 524.50 Sporormiella minima Sporormiaceae 100 0.1 Fig. 1. The phylogeny of Phoma lingam and Phoma betae, the type species of Phoma sections Plenodomus and Pilosa, based on the strict consensus tree from a Bayesian analysis of 48 LSU/SSU sequences. The Bayesian posterior probabilities are given at the nodes. The tree was rooted to Sporormiella minima (CBS 524.50). respectively. The tree (Fig. 1) was rooted to Sporormiella minima (CBS 524.50). The Bayesian analysis resulted in 6 5442 trees after 3 272 000 generations, from which the burn-in was discarded and the consensus tree and posterior probabilities were calculated based on 56 028 trees (Fig. 1). The families that belong to Pleosporineae, represented by the species grouping in clades A–G, clustered in a strongly supported clade (99 % posterior probability). Clade A, representing those species classified in Pleosporaceae, was strongly supported (100 %) and included two subclades. Pleospora betae (anam. Ph. betae), clustered with Pleospora calvescens (anam. Ascochyta caulina), A. obiones and A. hyalospora; all recorded as pathogens on Chenopodiaceae. The generic type species Pleospora herbarum, a plurivorous species, grouped with Cochliobolus sativus, Pyrenophora tritici-repentis and Pleospora typhicola (anam. Ph. typhina), all recorded from Poaceae. Clade B includes Leptosphaeria maculans (anam. Ph. lingam) and clustered with Leptosphaeria biglobosa. In clade B also other important plant pathogens of Phoma section Plenodomus can be found, such as Ph. tracheiphila, Ph. vasinfecta, Ph. drobnjacensis, and Plectophomella 12
Phoma sections Plenodomus, Pilosa visci. Phoma heteromorphospora, type species of Phoma section Heterospora (Boerema et al. 1997) and Ph. dimorphospora also grouped in this Leptosphaeria clade, in congruence with previous findings (de Gruyter et al. 2009, Aveskamp et al. 2010). Leptosphaeria doliolum (anam. Ph. acuta), type species of the genus Leptosphaeria, is found in Clade D, clustering with L. conoidea and L. slovacica. Leptosphaeria doliolum and its relatives comprise a sister clade C with species classified in Cucurbitariaceae, including Cucurbitaria berberidis, the three Pyrenochaeta species, Py. cava, Py. lycopersici and Py. nobilis, and Pyrenochaetopsis leptospora. Phaeosphaeria nodorum and its relatives Neosetophoma samarorum, Setophoma terrestris, Chaetosphaeronema hispidulum, Paraphoma radicina and Setomelanomma holmii, represent Phaeosphaeriaceae in clade E as has previously been found (de Gruyter et al. 2009, 2010). A distinct clade F includes Ph. glycinicola, Ph. carteri, Ph. septicidalis, and the taxonomic confusing species Pyrenochaeta dolichi (Grondona et al. 1997). The position of Coniothyrium palmarum and Neophaeosphaeria filamentosa could not be clarified, but both species are also treated below in a phylogeny including close relatives based on ITS and LSU regions (Fig. 2). Didymella exigua, type species of the genus Didymella, and Ph. herbarum represent Didymellaceae, and clustered in a wellsupported clade (G) in congruence with previous studies (de Gruyter et al. 2009, 2010, Aveskamp et al. 2010). The molecular phylogeny of species which group in this analysis outside of Pleosporineae in Montagnulaceae, Massarinaceae and Sporormiaceae were further analysed utilising LSU sequence data of a broader range of taxa (Fig. 5). Phoma section Plenodomus and close allies The aligned sequence matrix obtained for the LSU and ITS regions had a total length of 1 921 nucleotide characters, 1 332 and 589 respectively. The combined dataset used in the analyses included 87 taxa and contained 1921 characters with 298 and 118 unique site patterns for LSU and ITS respectively. The tree (Fig. 2) was rooted to Ph. herbarum (CBS 615.75), the representative isolate of the type species of Phoma (Boerema et al. 2004). The Bayesian analysis resulted in 100 002 trees after 5 000 000 generations, from which the burn-in was discarded and the consensus tree and posterior probabilities were calculated based on 90 930 trees (Fig. 2). The species currently classified in Leptosphaeria and Phoma section Plenodomus grouped in clades A and B representing Leptosphaeriaceae, including the type species Ph. lingam and Leptosphaeria doliolum, respectively. Isolates of the taxa that represent Cucurbitariaceae, Cucurbitaria berberidis and its related species Pyrenochaeta cava, Py. nobilis, Py. lycopersici and Pyrenochaetopsis leptospora, clustered in a distinct clade D only distantly related to Leptosphaeriaceae. This finding agrees with a recent study (de Gruyter et al. 2010). Phoma pratorum clustered with Pyrenochaetopsis leptospora. Leptosphaeria biglobosa grouped in a subclade A1 with Ph. wasabiae, the cause of black rot disease on Wasabia japonica (Brassicaceae) and Ph. pimpinellae, a necrotroph on Pimpinella anisum (Apiaceae). Leptosphaeria maculans, considered as closely related to the L. biglobosa complex, proved to be more distantly related in clade A1. In this subclade, other important pathogens can be found, such as Ph. tracheiphila, a quarantine organism on Citrus spp. (Rutaceae), Ph. vasinfecta, a pathogen on Chrysanthemum spp. (Asteraceae), L. lindquistii (anam. Ph. macdonaldii), a worldwide pathogen on Helianthus annuus (Asteraceae) and Ph. lupini, a seed borne pathogen known from Lupinus spp. (Fabaceae). Subclade A1 also comprises both varieties of Ph. enteroleuca, opportunistic pathogens on deciduous trees and shrubs, and the necrotrophic species L. agnita (anam. Ph. agnita), Ph. congesta (both recorded on Asteraceae), Ph. conferta (mainly on Brassicaceae), L. hendersoniae (on Salicaceae), L. fallaciosa, L. collinsoniae (mainly on Lamiaceae) and L. libanotis (on Apiaceae). Plectophomella visci, recorded from leaves of Viscum album (Viscaceae), also clustered in the Leptosphaeriaceae. The genus Plenodomus is re-introduced here to accommodate the species in subclade A1, which are allied to Ph. lingam. Subclade A2 comprises pathogenic species often causing leaf spots such as Ph. apiicola on Apium graveolens (Apiaceae), Ph. drobnjacensis (on Gentianaceae), Ph. violicola (on Violaceae) as well as the necrotrophic species Ph. valerianae, on Valeriana spp. (Valerianaceae). Phoma apiicola and Ph. valerianae were classified in Phoma section Phoma, and Ph. violicola was classified in Phoma sect. Peyronellaea; however, the relationship of these species in Leptosphaeriaceae is clearly demonstrated (Fig. 2), and therefore the species are transferred to the new genus Subplenodomus. These results are in congruence with a recent study where Ph. violicola, Ph. apiicola and Ph. valerianae clustered in a clade representing both Leptosphaeriaceae and Pleosporaceae (Aveskamp et al. 2010). Four Leptosphaeria species, L. macrospora (soil) and the necrotrophic species L. nitschkei (on Asteraceae), L. praetermissa, on Rubus idaeus (Rosaceae) and L. dryadis, on Dryas spp. (Rosaceae) grouped in a subclade A3 and are transferred here to a new genus Paraleptosphaeria. Phoma korfii also clustered in this subclade. The European species Ph. heteromorphospora, type species of Phoma section Heterospora, and the American counterpart Ph. dimorphospora, both pathogens on Chenopodiaceae, grouped in a distinct subclade A4. Phoma sect. Heterospora is raised to generic rank to accommodate both species in Leptosphaeriaceae. Clade B comprises necrotrophic species related to the type species L. doliolum (anam. Ph. acuta). The phylogeny of this species complex, and the closely related species Ph. veronicicola, Ph. macrocapsa and Ph. sydowii, is treated below. The necrotrophic species Ph. sclerotioides, L. conoidea (anam. Ph. doliolum), L. slovacica (anam. Ph. leonuri) and Ph. pedicularis also proved to be related. The species Ph. rubefaciens and Ph. etheridgei also belong to clade B, but these species, both recorded on trees, are more distantly related. The Phoma species in clades A and B are in majority currently described as anamorphs of the genus Leptosphaeria, or belong to Phoma section Plenodomus. These Phoma anamorphs are only distantly related to the type species Ph. herbarum and its relatives in Didymellaceae, and therefore these species described in section Plenodomus are excluded from the genus Phoma. Clade C is more distantly related to Leptosphaeriaceae and comprises species that are related to Coniothyrium palmarum in Coniothyriaceae. Two subclades are recognised in clade C: Ph. glycinicola, Py. dolichi and Ph. carteri group with the generic type species C. palmarum, whereas two isolates of Ph. septicidalis group with Ph. multipora. The teleomorph Neophaeosphaeria filamentosa clustered basal to this clade. Clade D includes the genera Cucurbitaria, Pyrenochaetopsis and Pyrenochaeta, which represent Cucurbitariaceae. This finding is in congruence with previous studies (de Gruyter et al. 2010). www.studiesinmycology.org 13
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Species concepts in Cercospora Cerc
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Species concepts in Cercospora Tabl
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Species concepts in Cercospora cerc
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Species concepts in Cercospora 1 2
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Species concepts in Cercospora 1 1
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Species concepts in Cercospora CPC
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Species concepts in Cercospora Fig.
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Species concepts in Cercospora C. r
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Species concepts in Cercospora CBS
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Species concepts in Cercospora atte
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Species concepts in Cercospora cell
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Species concepts in Cercospora Cult
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Species concepts in Cercospora dist
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Species concepts in Cercospora Cerc
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Species concepts in Cercospora did
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Species concepts in Cercospora line
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Species concepts in Cercospora REFE
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Studies in Mycology 75: 171-212. Al
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Alternaria redefined Embellisia ann
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Alternaria redefined Table 1. (Cont
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Alternaria redefined Table 3. Coded
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Alternaria redefined Fig. 3. Altern
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Alternaria redefined Section Embell
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Alternaria redefined Fig. 13. Alter
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Alternaria redefined Alternaria cyp
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Alternaria redefined with Dendryphi
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Alternaria redefined (Fig. 2), outs
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Studies in Mycology 75: 213-305. A
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A new approach to species delimitat
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Studies in Mycology 75: 307-390. Si
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Sizing up Septoria elucidation. The
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Sizing up Septoria Table 1. (Contin
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Sizing up Septoria 0.1 0.56 0.71 Se
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Sizing up Septoria 0.1 1 1 1 1 0.99
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Sizing up Septoria Table 3. Amplifi
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Sizing up Septoria 1.6x 0.93 1.4x 1
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Sizing up Septoria Fig. 6. Conidia
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Sizing up Septoria Conidiomata pycn
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Sizing up Septoria Fig. 14. Asterom
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Sizing up Septoria of pale brown th
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Sizing up Septoria to verruculose-e
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Sizing up Septoria Fig. 23. Septori
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Sizing up Septoria Fig. 26. Septori
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Sizing up Septoria isolates occur o
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Sizing up Septoria Fig. 32. Sphaeru
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Sizing up Septoria On Anthriscus st
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Sizing up Septoria Fig. 40. Phloeos
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Sizing up Septoria On sterile Carex
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Sizing up Septoria to narrowly obcl
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Sizing up Septoria Fig. 48. Polyphi
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Sizing up Septoria apex, tapering a
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Sizing up Septoria Fig. 56. Pseudos
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Sizing up Septoria Fig. 58. Parasta
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Sizing up Septoria Fig. 63. Neostag
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Sizing up Septoria Fig. 67. Phaeosp
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Sizing up Septoria and sporulating
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Sizing up Septoria Culture characte
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Sizing up Septoria On sterile Carex
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Sizing up Septoria Fig. 82. Conioth
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Sizing up Septoria Etymology: Named
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Sizing up Septoria Fig. 91. Stagono
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Sizing up Septoria Fig. 95. Stagono
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Sizing up Septoria Fig. 100. Setose
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Sizing up Septoria Crous PW, Verkle
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INDEX OF FUNGAL NAMES Alphabetical
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Alternaria triglochinicola 193 Alte
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Cercospora mercurialis var. annuae
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Dothidea hysterioides 31 Dothistrom
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N Neofabraea alba 384 Neophaeosphae
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Plenodomus hendersoniae 22 Plenodom
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Rhabdospora leucanthemi 266 Rhabdos
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Setophoma sacchari 374 Setophoma te
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Studies in Mycology Studies in Myco
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ering plants in the Southern Hemisp
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Studies in Mycology (ISSN 0166-0616
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Phytopathogenic Dothideomycetes - CBS - KNAW

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