Gerard J. M. Verkley

Curriculum vitae:

Date of birth: 25-01-1963
Nationality: Dutch
Date appointed at CBS: 01-07-1994 (as postdoc); 01-07-1999 (staff member).

Title Ph. D. thesis: The ascus apical apparatus in Leotiales: an evaluation of ultrastructural characters as phylogenetic markers in the families Sclerotiniaceae, Leotiaceae, and Geoglossaceae. 209 pp.

Doctorate received 11-05-1995, Leiden University, the Netherlands.

Career:

1981-1988:
Biology study at the University of Nijmegen, main topic Microbiology;
1990-1994:
Graduate studies in taxonomy of ascomycetes at the National Herbarium, Leiden branch, University of Leiden;
From 1994:
Postdoc, then staff researcher at CBS.

Current research

Main projects running

Project BE 3.03.07: Taxonomy and phylogeny of Septoria
2000–2005: G. Verkley, M. Starink-Willemse, A. van Iperen, S. Vanev (Botanical Institute, Sofia).
Project EPP/BE (number not yet designated) 2004-2005: Phylogeny, taxonomy and ecology of the Mycosphaerella punctiformis complex and related species with Ramularia anamorphs. G. Verkley, P. Crous, J. Z. Groenewald, J. Köhl (PRI, Crop & Production ecology, Wageningen University), U. Braun (Martin-Luther-Universität, Halle), A. Aptroot.
Project BE 3.03.08: Novel and putative ascomycetous plant endophytes
2003–2005: G. Verkley, I. van Kempen, A. Aptroot, R.C. Summerbell, J.D. Zijlstra, F. Berendse (Nature Conservation & Plant Ecology, University of Wageningen).
Project EPP 4.02.17: Phytopathogenic Phoma complexes
2002–2005: G. Verkley, S.T. Koike, K. Subbarao (University of California, USA), T. O’Neill (ADAS, UK), J. de Gruyter (Plant Protection Service, Wageningen).

Scientific service activities

Reviewer, Antoni van Leeuwenhoek, Canadian Journal of Botany, Mycological Research, Mycotaxon, Nova Hedwigia, Fungal Diversity, Folia Cryptogamia Estonica, Mycological Progress, Persoonia, Plant Disease, Studies in Mycology

Educational activities

CBS Course of Mycology (Fungal biodiversity). Four regular lectures on the following topics: conidiogenesis, isolation techniques, Coelomycetes, fungi on natural substrates.

Scientific society memberships

British Mycological Society (since 1999)
Netherlands Mycological Society (Nederlandse Mycologische Vereniging; since 1990)
Dutch Society for Microscopy (Nederlandse Vereniging voor Microscopie, since 1991)

Formal functions

Secretary General to the Netherlands Mycological Society 1998-2003
Librarian for the Netherlands Mycological Society, from 2003
Member User Selection Panel and Institute-coordinator for SYNTHESYS (EU-programme, FP6)

Refereed mycological publications

Verkley, G. J. M. 2005. Brefeldochium pruinosum gen. et sp. nov., the anamorph of Polydesmia pruinosa (Hyaloscyphaceae, Helotiales, Ascomycota). Nova Hedwigia, in press.
Verkley, G. J. M. 2005. Redisposition of Chlorosplenium chrysotrichum to the genus Dicephalospora (Sclerotiniaceae, Ascomycota). Sydowia 56: 123–128 (in press).
Verkley, G. J. M., da Silva, M., Wicklow, D. T. & Crous, P. W. 2004. Paraconiothyrium, a new genus to accommodate the mycoparasite Coniothyrium minitans, anamorphs of Paraphaeosphaeria, and four new species. Studies in Mycology 50: 323–335.
Verkley, G. J. M. & Starink-Willemse, M. 2004. A phylogenetic study of some Septoria species pathogenic to Asteraceae based on ITS ribosomal DNA sequences. Mycological Progress 3: 315–322 (in press).
Verkley, G. J. M., Crous, P. W., Groenewald, J. Z., Braun, U. and Aptroot, A. 2004. Mycosphaerella punctiformis revisited: morphology, phylogeny, and epitypification of the type species of the genus Mycosphaerella (Dothideales, Ascomycota). Mycol. Res. 108: 1271–1282.
Verkley, G. J. M., Starink-Willemse, M., van Iperen, A. & Abeln, E. C. A. 2004. Phylogenetic analyses of Septoria species based on the ITS and LSU-D2 regions of nuclear ribosomal DNA. Mycologia 96: 558–571.
J. M. van Niekerk, J. Z. (Ewald) Groenewald, G. J. M. Verkley, P. H. Fourie, M. J. Wingfield and P. W. Crous 2004. Systematic reappraisal of Coniella and Pilidiella, with specific reference to species occurring on Eucalyptus and Vitis in South Africa. Mycol. Res. 108: 283–303.
Verkley, G. J. M. 2004. A new species of Perrotia from New Zealand. Mycotaxon 89(1): 205–209.
Verkley, G. J. M. 2003. Ultrastructure of the ascus apical apparatus and ascospore wall in Ombrophila hemiamyloidea (Helotiales, Ascomycota). Nova Hedwigia 77: 271–285.
Verkley, G. J. M., Zijlstra, J. D., Summerbell, R. C. & Berendse, F. 2003. Phylogeny and taxonomy of root-inhabiting Cryptosporiopsis species, and C. rhizophila sp. nov., a fungus inhabiting roots of several Ericaceae. Mycol Res. 107: 689–698.
Verkley, GJM. 2002. A revision of the genus Sphaerographium and the taxa assigned to Rhynchophoma (anamorphic Ascomycetes). Nova Hedwigia 75: 433-450.
R. P. Baayen, P. J. M. Bonants, G. Verkley, G. C. Carroll, H. A. van der Aa, M. de Weerdt, I. R. van Brouwershaven, G. C. Schutte, W. Maccheroni Jr., C. Glienke de Blanco, and J. L. Azevedo. 2002. Nonpathogenic isolates of the Citrus Black Spot fungus, Guignardia citricarpa, identified as a cosmopolitan endophyte of woody plants, G. mangiferae (Phyllosticta capitalensis). Phytopathology 92: 464-477.
C. Eken, Demirci, E. & Verkley, G. J. M. 2002. First report of Volutella colletotrichoides in Turkey. New Disease Report. Plant Pathology 51: 812.
Verkley, GJM. 2001. On Sphaerographium petiolicola and a new species, S.tenuirostrum, taxa from a rarely collected genus of coelomycetes. Mycologia 93:205–211.
De Jong, S. N., Levesque, C. A., Verkley, G. J. M., Abeln, E. C., Rahe, J. E., Brown, P. G. 2001. Phylogenetic relationships among Neofabraea species causing tree cankers and bull’s-eye rot of apple based on DNA sequencing of ITS nuclear rDNA, mitochondrial rDNA, and the ß-tubulin gene. Mycological Research 105: 658-669.
Abeln, ECA, dePagter, MA, Verkley, GJM. 2000. Phylogeny of Pezicula, Dermea and Neofabraea inferred from partial sequences of the nuclear ribosomal RNA gene cluster. Mycologia 92: 685–693.
Verkley, GJM, Priest, MJ. 2000. Septoria and similar coelomycetous anamorphs of Mycosphaerella. Studies in Mycology 45: 123–128.
Verkley, GJM. 1999. A monograph of the genus Pezicula and its anamorphs. Studies in Mycology 44: 1–180.
Verkley, GJ. 1998. Ultrastructure of conidiogenesis and conidia in two species of Septoria sensu lato. Mycologia 90: 189–198.
Verkley, GJM. 1998. Ultrastructural evidence for two types of proliferation in a single conidiogenous cell of Septoria chrysanthemella. Mycological Research 102: 368–372.
Verkley, GJM, Aa, HA van der, De Cock, GW. 1997. Bryoscyphus atromarginatus spec. nov. (Leotiaceae), a new ascomycete parasitizing the thallus of Marchantia polymorpha. Persoonia 16: 383–387.
Verkley, GJM, Aa, HA van der. 1997. Endomelanconium microsporum, a new coelomycete isolated from soil in Papua New Guinea. Mycologia 89: 967–970.
Aptroot, A, Candoussau, F, Verkley, GJM. 1997. Two fungicolous species of Gelatinopsis (Leotiaceae, ascomycetes) from France, with G. septata sp. nov. Nova Hedwigia 64:155–160.
Verkley, GJM, Aa, HA van der. 1997. Striosphaeropsis mirabilis anam. gen. et sp. nov., a new coelomycete isolated from soil in Papua New Guinea. Mycotaxon 65: 113–119.
Verkley, GJM. 1996. Ultrastructure of the ascus in the genera Lachnum and Trichopeziza (Hyaloscyphaceae, Ascomycotina). Nova Hedwigia 63: 215–228.
Verkley, GJM 1995. The ascus apical apparatus in Leotiales: an evaluation of ultrastructural characters as phylogenetic markers in the families Sclerotiniaceae, Leotiaceae, and Geoglossaceae. Ph D. Thesis, Leiden University. 209 pp.
Verkley, GJM. 1995. Ultrastructure of the ascus apical apparatus in species of Cenangium, Encoelia, Claussenomyces and Ascocoryne. Mycological Research 99: 187–199.
Verkley, GJM. 1994. Ultrastructure of the ascus apical apparatus in Leotia lubrica and some Geoglossaceae (Leotiales, Ascomycotina). Persoonia 15: 405–430.
Verkley, GJM. 1993. Ultrastructure of the ascus apical apparatus in 10 species of Sclerotiniaceae. Mycological Research 97: 179–194.
Verkley, GJM. 1993. Ultrastructure of the ascus apical apparatus in Hymenoscyphus and other genera of the Hymenoscyphoideae (Leotiales, Ascomycotina). Persoonia 15: 303–340.
Verkley, GJM. 1992. Ultrastructure of the ascus apical apparatus in Ombrophila violacea, Neobulgaria pura and Bulgaria inquinans. Persoonia 15: 3–22.

Non-refereed publications

van der Aa, H.A. and S. Vanev. 2002. A revision of the species described in Phyllosticta. Edited by A. Aptroot, R. C. Summerbell and G.J. Verkley. Centraalbureau voor Schimmelcultures, Utrecht, the Netherlands.

Invited lecture

Verkley, G. J. M. Will ascus characters give meaning to future classifications of non-lichenized inoperculate discomycetes? 7th International Mycological Congress, Oslo, 2002.

Other lectures at congresses and workshops:

Verkley, G. J. M. & Priest, M. J. Septoria and similar coelomycetous anamorphs of Mycosphaerella. Ixth International Congress of Mycology Workshop, May 2000, Sydney.
Verkley, G. J. M. Phylogenetic analyses of Septoria species pathogenic to Asteraceae. 8th International Congress of Plant Pathology, February 2003, oral presentation in poster session, Christchurch, New Zealand.

Recent posters at meetings (1999-2003).

G. J. M. Verkley. A monograph of Pezicula and its anamorphs. 9th International Congress of Mycology (IUMS), August 1999.
De Jong, S. H., C. A. Levesque, G. J. M. Verkley, E. C. A. Abeln, J. E. Rahe, G. P. Braun. A multi-region phylogenetic study of Neofabraea apple pathogens. Canadian Phytopathological Society Meeting (jointly with the Pacific Division of the American Phytopathological Society), 2000.
G. J. M. Verkley, Van Iperen, A. & Starink-Willemse, M. Taxonomy and phylogeny of Septoria. 7th International Mycological Congress, Oslo, 2002.
S.T. Koike, K.V. Subbarao, G.J.M. Verkley, T. O’Neill & D. Fogle. Phoma basal rot of lettuce caused by Phoma exigua in California. Annual meeting of the American Phytopathological Society, August 2003, Charlotte, North Carolina (by first author).
Zijlstra, J. D., G. J. M. Verkley, J. Baar, R. C. Summerbell & F. Berendse. Two Cryptosporiopsis species form functional Ericoid mycorrhiza in Dutch Ericoid plants. 4th Interbational Conference on Mycorrhizae, Aug. 2003, Montreal (by first author).