Browsing Research Articles (Genetics) by UP Author "Wilken, Pieter Markus"

Browsing Research Articles (Genetics) by UP Author "Wilken, Pieter Markus"

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  • Analysis of microsatellite markers in the genome of the plant pathogen Ceratocystis fimbriata 
    Simpson, M.C. (Melissa Claire); Wilken, Pieter Markus; Coetzee, Martin Petrus Albertus; Wingfield, Michael J.; Wingfield, Brenda D. (Elsevier, 2013-07)
    Ceratocystis fimbriata sensu lato represents a complex of cryptic and commonly plant pathogenic species that are morphologically similar. Species in this complex have been described using morphological characteristics, ...
  • Both mating types in the heterothallic fungus Ophiostoma quercus contain MAT1-1 and MAT1-2 genes 
    Wilken, Pieter Markus; Steenkamp, Emma Theodora; Hall, Tracy A.; De Beer, Z. Wilhelm; Wingfield, Michael J.; Wingfield, Brenda D. (Elsevier, 2012)
    In heterothallic Ascomycota, two opposite but distinct mating types control all sexual processes. Using mating crosses, mating types were assigned to ten isolates of the heterothallic fungal species Ophiostoma quercus. ...
  • Distribution and evolution of nonribosomal peptide synthetase gene clusters in the Ceratocystidaceae 
    Sayari, Mohammad; Van der Nest, Magrieta Aletta; Steenkamp, Emma Theodora; Soal, Nicole Christine; Wilken, Pieter Markus; Wingfield, Brenda D. (MDPI Publishing, 2019-04-30)
    In filamentous fungi, genes in secondary metabolite biosynthetic pathways are generally clustered. In the case of those pathways involved in nonribosomal peptide production, a nonribosomal peptide synthetase (NRPS) gene ...
  • Doing it alone : unisexual reproduction in filamentous ascomycete fungi 
    Wilson, Andi M.; Gabriel, Raphael; Singer, Steven W.; Schuerg, Timo; Wilken, Pieter Markus; Van der Nest, Magrieta Aletta; Wingfield, Michael J.; Wingfield, Brenda D. (Elsevier, 2021-03)
    Unisexuality in fungi is the result of sexual reproduction in a single isolate that harbors genes associated with only a single mating type. To date, unisexual reproduction has been described in only three genera of ...
  • Draft genome of Cercospora zeina, Fusarium pininemorale, Hawksworthiomyces lignivorus, Huntiella decipiens and Ophiostoma ips 
    Wingfield, Brenda D.; Berger, David Kenneth; Steenkamp, Emma Theodora; Lim, Hye-Jin; Duong, Tuan A.; Bluhm, Burton H.; De Beer, Z. Wilhelm; De Vos, Lieschen; Fourie, Gerda; Naidoo, Kershney; Olivier, Nicholas Abraham; Lin, Yao-Cheng; Van de Peer, Yves; Joubert, Fourie; Crampton, Bridget Genevieve; Swart, Velushka; Soal, Nicole Christine; Tatham, Catherine; Van der Nest, Magrieta Aletta; Van der Merwe, Nicolaas Albertus (Albie); Van Wyk, Stephanie; Wilken, Pieter Markus; Wingfield, Michael J. (International Mycological Association, 2017-11-21)
    The genomes of Cercospora zeina, Fusarium pininemorale, Hawksworthiomyces lignivorus, Huntiella decipiens, and Ophiostoma ips are presented in this genome announcement. Three of these genomes are from plant pathogens and ...
  • Draft genome sequence of Annulohypoxylon stygium, Aspergillus mulundensis, Berkeleyomyces basicola (syn. Thielaviopsis basicola), Ceratocystis smalleyi, two Cercospora beticola strains, Coleophoma cylindrospora, Fusarium fracticaudum, Phialophora cf. hyalina, and Morchella septimelata 
    Wingfield, Brenda D.; Bills, Gerald F.; Dong, Yang; Huang, Wenli; Nel, Wilma Janine; Swalarsk-Parry, Benedicta S.; Vaghefi, Niloofar; Wilken, Pieter Markus; An, Zhiqiang; De Beer, Z. Wilhelm; De Vos, Lieschen; Chen, Li; Duong, Tuan A.; Gao, Yun; Hammerbacher, Almuth; Kikkert, Julie R.; Li, Yan; Li, Huiying; Li, Kuan; Li, Qiang; Liu, Xingzhong; Ma, Xiao; Naidoo, Kershney; Pethybridge, Sarah J.; Sun, Jingzu; Steenkamp, Emma Theodora; Van der Nest, Magrieta Aletta; Van Wyk, Stephanie; Wingfield, Michael J.; Xiong, Chuan; Yue, Qun; Zhang, Xiaoling (International Mycological Association, 2018-06-11)
    Draft genomes of the species Annulohypoxylon stygium, Aspergillus mulundensis, Berkeleyomyces basicola (syn. Thielaviopsis basicola), Ceratocystis smalleyi, two Cercospora beticola strains, Coleophoma cylindrospora, ...
  • Draft genome sequences of Ambrosiella cleistominuta, Cercospora brassicicola, C. citrullina, Physcia stellaris, and Teratosphaeria pseudoeucalypti 
    Wilken, Pieter Markus; Aylward, Janneke; Chand, Ramesh; Lane, Frances Alice; Sinha, Shagun; Ametrano, Claudio; Distefano, Isabel; Divakar, Pradeep K.; Duong, Tuan A.; Huhndorf, Sabine; Kharwar, Ravindra N.; Lumbsch, H. Thorsten; Navathe, Sudhir; Pérez, Carlos A.; Ramírez-Berrutti, Nazaret; Sharma, Rohit; Sun, Yukun; Wingfield, Brenda D.; Wingfield, Michael J. (BioMed Central, 2020)
    Draft genomes of the fungal species Ambrosiella cleistominuta, Cercospora brassicicola, C. citrullina, Physcia stellaris, and Teratosphaeria pseudoeucalypti are presented. Physcia stellaris is an important lichen forming ...
  • First fungal genome sequence from Africa : a preliminary analysis 
    Wingfield, Brenda D.; Steenkamp, Emma Theodora; Santana, Quentin C.; Coetzee, Martin Petrus Albertus; Bam, Stefan; Barnes, Irene; Beukes, Chrizelle Winsie; Chan, Wai Yin; De Vos, Lieschen; Fourie, Gerda; Friend, Melanie; Gordon, Thomas R. (Tom); Herron, Darryl A.; Holt, Carson; Korf, Ian; Kvas, Marija; Martin, Simon H.; Mlonyeni, X.O.M. (Xolile Osmond Mnyamezeli); Naidoo, Kershney; Phasha, Mmatshepho Malekgale; Postma, Alisa; Reva, Oleg N.; Roos, Heidi; Simpson, M.C. (Melissa Claire); Slinski, Stephanie; Slippers, Bernard; Sutherland, Rene; Van der Merwe, Nicolaas Albertus (Albie); Van der Nest, Magrieta Aletta; Venter, S.N. (Stephanus Nicolaas); Wilken, Pieter Markus; Yandell, Mark; Zipfel, Renate; Wingfield, Michael J. (Academy of Science of South Africa, 2012-01-25)
    Some of the most significant breakthroughs in the biological sciences this century will emerge from the development of next generation sequencing technologies. The ease of availability of DNA sequence made possible through ...
  • Homothallism : an umbrella term for describing diverse sexual behaviours 
    Wilson, Andrea M.; Wilken, Pieter Markus; Van der Nest, Magrieta Aletta; Steenkamp, Emma Theodora; Wingfield, Michael J.; Wingfield, Brenda D. (International Mycological Association, 2015-06-19)
    Sexual reproduction is notoriously complex in fungi with species able to produce sexual progeny by utilizing a variety of different mechanisms. This is even more so for species employing multiple sexual strategies, which ...
  • IMA genome - F14 : Draft genome sequences of Penicillium roqueforti, Fusarium sororula, Chrysoporthe puriensis, and Chalaropsis populi 
    Van der Nest, Magrieta Aletta; Chavez, Renato; De Vos, Lieschen; Duong, Tuan A.; Gil-Duran, Carlos; Ferreira, Maria Alves; Lane, Frances Alice; Levican, Gloria; Santana, Quentin C.; Steenkamp, Emma Theodora; Suzuki, Hiroyuki; Tello, Mario; Rakoma, Jostina R.; Vaca, Inmaculada; Valdes, Natalia; Wilken, Pieter Markus; Wingfield, Michael J.; Wingfield, Brenda D. (International Mycological Association, 2021-03-05)
    Draft genomes of Penicillium roqueforti, Fusarium sororula, Chalaropsis populi, and Chrysoporthe puriensis are presented. Penicillium roqueforti is a model fungus for genetics, physiological and metabolic studies, as well ...
  • IMA Genome - F15 : Draft genome assembly of Fusarium pilosicola, Meredithiella fracta, Niebla homalea, Pyrenophora teres hybrid WAC10721, and Teratosphaeria viscida 
    Duong, Tuan A.; Aylward, Janneke; Ametrano, Claudio Gennaro; Poudel, Barsha; Santana, Quentin C.; Wilken, Pieter Markus; Martin, Anke; Arun‑Chinnappa, Kiruba Shankari; De Vos, Lieschen; DiStefano, Isabel; Grewe, Felix; Huhndorf, Sabine; Lumbsch, Helge Thorsten; Rakoma, Jostina R.; Poudel, Barsha; Steenkamp, Emma Theodora; Sun, Yukun; Van der Nest, Magrieta Aletta; Wingfield, Michael J.; Yilmaz, Neriman; Wingfield, Brenda D. (International Mycological Association, 2021-10-13)
    No abstract available.
  • IMA Genome-F13 : draft genome sequences of Ambrosiella cleistominuta, Cercospora brassicicola, C. citrullina, Physcia stellaris, and Teratosphaeria pseudoeucalypti 
    Wilken, Pieter Markus; Aylward, Janneke; Chand, Ramesh; Grewe, Felix; Lane, Frances Alice; Sinha, Shagun; Ametrano, Claudio; Distefano, Isabel; Divakar, Pradeep K.; Duong, Tuan A.; Huhndorf, Sabine; Kharwar, Ravindra N.; Lumbsch, H. Thorsten; Navathe, Sudhir; Perez, Carlos A.; Ramirez-Berrutti, Nazaret; Sharma, Rohit; Sun, Yukun; Wingfield, Brenda D.; Wingfield, Michael J. (BioMed Central, 2020-09)
    Draft genomes of the fungal species Ambrosiella cleistominuta, Cercospora brassicicola, C. citrullina, Physcia stellaris, and Teratosphaeria pseudoeucalypti are presented. Physcia stellaris is an important lichen forming ...
  • It’s all in the genes : the regulatory pathways of sexual reproduction in filamentous ascomycetes 
    Wilson, Andrea M.; Wilken, Pieter Markus; Van der Nest, Magrieta Aletta; Wingfield, Michael J.; Wingfield, Brenda D. (MDPI Publishing, 2019-05)
    Sexual reproduction in filamentous ascomycete fungi results in the production of highly specialized sexual tissues, which arise from relatively simple, vegetative mycelia. This conversion takes place after the recognition ...
  • Mating strategy and mating type distribution in six global populations of the Eucalyptus foliar pathogen Teratosphaeria destructans 
    Havenga, Minette; Wingfield, Brenda D.; Wingfield, Michael J.; Roets, Francois; Dreyer, Leanne Laurette; Tatham, Catherine; Duong, Tuan A.; Wilken, Pieter Markus; Chen, ShuaiFei; Aylward, Janneke (Elsevier, 2020-04)
    Teratosphaeria destructans is an aggressive fungal pathogen causing leaf and shoot blight on young Eucalyptus trees in plantations. The disease occurs across tropical and subtropical regions of South East Asia and has ...
  • The novel Huntiella omanensis mating gene, MAT1-2-7, is essential for ascomatal maturation 
    Wilson, Andi M.; Wilken, Pieter Markus; Van der Nest, Magrieta Aletta; Wingfield, Michael J.; Wingfield, Brenda D. (Elsevier, 2020-04)
    Sexual reproduction is a highly conserved feature of the eukaryotes, yet sexual compatibility is determined by a wide variety of mechanisms. In ascomycete fungi, sexual development is controlled by genes at the mating type ...
  • Pheromone expression reveals putative mechanism of unisexuality in a saprobic ascomycete fungus 
    Wilson, Andrea M.; Van der Nest, Magrieta Aletta; Wilken, Pieter Markus; Wingfield, Michael J.; Wingfield, Brenda D. (Public Library of Science, 2018-03)
    Homothallism (self-fertility) describes a wide variety of sexual strategies that enable a fungus to reproduce in the absence of a mating partner. Unisexual reproduction, a form of homothallism, is a process whereby a fungus ...
  • Saprophytic and pathogenic fungi in the Ceratocystidaceae differ in their ability to metabolize plant-derived sucrose 
    Van der Nest, Magrieta Aletta; Steenkamp, Emma Theodora; McTaggart, Alistair R.; Trollip, Conrad; Godlonton, T.; Sauerman, E.; Roodt, Danielle; Naidoo, Kershney; Coetzee, Martin Petrus Albertus; Wilken, Pieter Markus; Wingfield, Michael J.; Wingfield, Brenda D. (BioMed Central, 2015-12-07)
    BACKGROUND : Proteins in the Glycoside Hydrolase family 32 (GH32) are carbohydrate-active enzymes known as invertases that hydrolyse the glycosidic bonds of complex saccharides. Fungi rely on these enzymes to gain access ...
  • South African sclerotinia sclerotiorum research in the age of genomics 
    Wilken, Pieter Markus; Buthelezi, Sikelela (Plaas Media, 2020-09)
    Sclerotinia sclerotiorum is a fungal pathogen of many crop species that needs no introduction to anyone working in the agricultural industry. In South Africa, S. sclerotiorum causes disease on many economically ...
  • Transferring an Agrobacterium-mediated transformation protocol across eight genera in the Ceratocystidaceae 
    Lane, Frances Alice; Du Plessis, Deanne; Wingfield, Brenda D.; Wilken, Pieter Markus (Wiley, 2021-06)
    Establishing a transformation system is an essential first step for functional studies. Numerous transformation systems have been developed and optimized for filamentous ascomycetes, including Agrobacterium-mediated ...
  • Unexpected placement of the MAT1-1-2 gene in the MAT1-2 idiomorph of Thielaviopsis 
    Wilken, Pieter Markus; Steenkamp, Emma Theodora; Van der Nest, Magrieta Aletta; Wingfield, Michael J.; De Beer, Z. Wilhelm; Wingfield, Brenda D. (Elsevier, 2018-04)
    Sexual reproduction in the Ascomycota is controlled by genes encoded at the mating-type or MAT1 locus. The two allelic versions of this locus in heterothallic species, referred to as idiomorphs, are defined by the MAT1-1-1 ...