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Postdoctoral Fellow

Department

Genetics
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Research Profiles

I am currently busy with a post-doctoral fellowship working on the mating system of species in the Ceratocystidaceae. This work is an extension of my PhD study, that focussed more closely on the mating system of Ceratocystis species, a genus within the Ceratocystidaceae. I recently completed my PhD in Genetics by studying the very interesting mating system in the fungal genus Ceratocystis. The type species of the genus, C. fimbriata utilizes a uni-directional mating type switching mechanism allowing a self-fertile isolate to produce both self-fertile and self-sterile offspring. In my studies I am trying to elucidate the changes that happens at the DNA level during this switching event.

My interest in fungal mating started during my BSc (Hons) degree where I looked at the mating receptors in the Basidiomycete fungus Amylostereum areolatum. Mating genes were also the key focus of my Masters project where I studied these genes in the Ascomycete genus Ophiostoma. Although we made some progress in understanding this system in these fungi, the availability of a complete genome sequence in the future should provide a clearer perspective of their mating system.

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Publication
Wilken PM, Steenkamp ET, Wingfield MJ, De Beer ZW, Wingfield BD. (2017) Which MAT gene? Pezizomycotina (Ascomycota) mating-type gene nomenclature reconsidered. Fungal Biology Reviews 10.1016/j.fbr.2017.05.003
Wingfield BD, Duong TA, Hammerbacher A, van der Nest MA, Wilson A, Chang R, de Beer ZW, Steenkamp ET, Wilken PM, Naidoo K, Wingfield MJ. (2016) IMA Genome-F 7 Draft genome sequences for Ceratocystis fagacearum, C. harringtonii, Grosmannia penicillata, and Huntiella bhutanensis. IMA Fungus 7(2):317-323. 10.5598/imafungus.2016.07.02.11 PDF
Wingfield BD, Ambler JM, Coetzee MPA, De Beer ZW, Duong TA, Joubert F, Hammerbacher A, McTaggart AR, Naidoo K, Nguyen HDT, Ponomareva E, Santana QS, Seifert KA, Steenkamp ET, Trollip C, Van der Nest MA, Visagie CM, Wilken PM, Wingfield MJ, Yilmaz N. (2016) IMA Genome-F 6: Draft genome sequences of Armillaria fuscipes, Ceratocystiopsis minuta, Ceratocystis adiposa, Endoconidiophora laricicola, E. polonica and Penicillium freii DAOMC 242723. IMA Fungus 7(1):217-227. 10.5598/imafungus.2016.07.01.11 PDF
van der Nest MA, Wingfield MJ, Wilken PM, Coetzee MPA, Naidoo K, Roodt D, Sauerman E, Godlonton T, Trollip C, McTaggart AR, Steenkamp ET, Wingfield BD. (2015) Saprophytic and pathogenic fungi in the Ceratocystidaceae differ in their ability to metabolize plant-derived sucrose. BMC Evolutionary Biology 15:273. 10.1186/s12862-015-0550-7 PDF
Wingfield BD, Barnes I, De Beer ZW, De Vos L, Duong TA, Kanzi AM, Naidoo K, Nguyen HDT, Santana QC, Sayari M, Seifert KA, Steenkamp ET, Trollip C, Van der Merwe N, Van der Nest MA, Wilken PM, Wingfield MJ. (2015) Draft genome sequences of Ceratocystis eucalypticola, Chrysoporthe cubensis, C. deuterocubensis, Davidsoniella virescens, Fusarium temperatum, Graphilbum fragrans, Penicillium nordicum, and Thielaviopsis musarum. IMA Fungus 6(2):493-506. 10.5598/imafungus.2015.06.02.13 PDF
Marincowitz S, Coetzee MPA, Wilken PM, Wingfield BD, Wingfield MJ. (2015) Phylogenetic placement of Itajahya: An unusual Jacaranda fungal associate. IMA Fungus 6(2):257-262. 10.5598/imafungus.2015.06.02.01 PDF
Wilson AM, Wilken PM, van der Nest MA, Steenkamp ET, Wingfield MJ, Wingfield BD. (2015) Homothallism: An umbrella term for describing diverse sexual behaviours. IMA Fungus 6(1):207-214. 10.5598/imafungus.2015.06.01.13 PDF
Wilson AM, Godlonton T, van der Nest MA, Wilken PM, Wingfield MJ, Wingfield BD. (2015) Unisexual Reproduction in Huntiella moniliformis. Fungal Genetics and Biology 80:1-9. 10.1016/j.fgb.2015.04.008
Van der Nest MA, Beirn LA, Crouch JA, Demers JE, De Beer ZW, De Vos L, Gordon TR, Moncalvo JM, Naidoo K, Sanchez-Ramirez S, Roodt D, Santana QC, Slinksi SL, Stata M, Taerum SJ, Wilken PM, Wilson AM, Wingfield MJ, Wingfield BD. (2014) Draft genomes of Amanita jacksonii, Ceratocystis albifundus, Fusarium circinatum, Huntiella omanensis, Leptographium procerum, Rutstroemia sydowiana, and Sclerotinia echinophila. IMA Fungus 5(2):473-486. 10.5598/imafungus.2014.05.02.11 PDF
Van der Nest MA, Bihon W, De Vos L, Naidoo K, Roodt D, Rubagotti E, Slippers B, Steenkamp ET, Wilken PM, Wilson A, Wingfield MJ, Wingfield BD. (2014) Draft genome sequences of Diplodia sapinea, Ceratocystis manginecans, and Ceratocystis moniliformis. IMA Fungus 5(1):135-140. 10.5598/imafungus.2014.05.01.13 PDF
Wilken PM, Steenkamp ET, Wingfield MJ, De Beer ZW, Wingfield BD. (2014) DNA loss at the Ceratocystis fimbriata mating locus results in self-sterility. PLoS ONE 9(3):e92180. 10.1371/journal.pone.0092180 PDF
Wilken PM, Steenkamp ET, Wingfield MJ, De Beer ZW, Wingfield BD. (2013) Draft nuclear genome sequence for the plant pathogen, Ceratocystis fimbriata. IMA Fungus 4:357-358. 10.5598/imafungus.2013.04.02.14 PDF
Simpson MC, Wilken PM, Coetzee MPA, Wingfield MJ, Wingfield BD. (2013) Analysis of microsatellite markers in the genome of the plant pathogen Ceratocystis fimbriata. Fungal Biology 117(7-8):545-555. 10.1016/j.funbio.2013.06.004 PDF
van der Nest MA, Steenkamp ET, Wilken MP, Stenlid J, Wingfield MJ, Wingfield BD, Slippers B. (2013) Mutualism and asexual reproduction influence recognition genes in a fungal symbiont. Fungal Biology 117:439-450. 10.1016/j.funbio.2013.05.001 PDF
Wilken PM, Steenkamp ET, Hall TA, De Beer ZW, Wingfield MJ, Wingfield BD. (2012) Both mating types in the heterothallic fungus Ophiostoma quercus contain MAT1-1 and MAT1-2 genes. Fungal Biology 116(3):427-437. 10.1016/j.funbio.2012.01.002 PDF
Wingfield BD, Steenkamp ET, Santana QC, Coetzee MPA, Bam S, Barnes I, Beukes CW, Chane W-Y, de Vos L, Fourie G, Friend M, Gordon TR, Herron DA, Holt C, Korf I, Kvas M, Martin SH, Mlonyeni XO, Naidoo K, Phasha MM, Postma A, Reva O, Roos H, Simpson M, Slinski S, Slippers B, Sutherland R, van der Merwe NA, van der Nest MA, Venter SNV, Wilken PM, Yandell M, Zipfel R, Wingfield MJ. (2012) First fungal genome sequence from Africa: a preliminary analysis. South African Journal of Science 108:104-122. 10.4102/sajs.v108i1/2.537 PDF
van der Nest MA, Slippers B, Stenlid J, Wilken PM, Vasaitis R, Wingfield MJ, Wingfield BD. (2008) Characterization of the systems governing sexual and self-recognition in the white rot homobasidiomycete Amylostereum areolatum. Current Genetics 53(6):323-336. 10.1007/s00294-008-0188-8 PDF