Browsing Research Articles (Biochemistry) by UP Author "Steenkamp, Emma Theodora"

Browsing Research Articles (Biochemistry) by UP Author "Steenkamp, Emma Theodora"

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  • 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-F 11 : draft genome sequences of Fusarium xylarioides, Teratosphaeria gauchensis and T. zuluensis and genome annotation for Ceratocystis fimbriata 
    Wingfield, Brenda D.; Fourie, Arista; Simpson, Melissa Claire; Bushula-Njah, Vuyiswa; Aylward, Janneke; Barnes, Irene; Coetzee, Martin Petrus Albertus; Dreyer, Leanne Laurette; Duong, Tuan A.; Geiser, David M.; Roets, Francois; Steenkamp, Emma Theodora; Van der Nest, Magrieta Aletta; Van Heerden, Carel J.; Wingfield, Michael J. (International Mycological Association, 2019)
    Draft genomes of the fungal species Fusarium xylarioides, Teratosphaeria gauchensis and T. zuluensis are presented. In addition an annotation of the genome of Ceratocystis fimbriata is presented. Overall these genomes ...
  • The mating system of the Eucalyptus canker pathogen Chrysoporthe austroafricana and closely related species 
    Kanzi, Aquillah M.; Steenkamp, Emma Theodora; Van der Merwe, Nicolaas Albertus (Albie); Wingfield, Brenda D. (Elsevier, 2019-02)
    Fungi in the genus Chrysoporthe are economically important canker pathogens of commercially grown Eucalyptus species and native Myrtales. Before the current study, homothallism was widely accepted as the mating system of ...
  • Minimal standards for the description of new genera and species of rhizobia and agrobacteria 
    De Lajudie, Philippe M.; Andrews, Mitchell; Ardley, Julie; Eardly, Bertrand; Jumas-Bilak, Estelle; Kuzmanovic, Nemanja; Lassalle, Florent; Lindstrom, Kristina; Mhamdi, Ridha; Martinez-Romero, Esperanza; Moulin, Lionel; Mousavi, Seyed Abdollah; Nesme, Xavier; Peix, Alvaro; Pulawska, Joanna; Steenkamp, Emma Theodora; Stepkowski, Tomasz; Tian, Chang-Fu; Vinuesa, Pablo; Wei, Gehong; Willems, Anne; Zili, Jerri; Young, Peter (Microbiology Society, 2019-05)
    Herein the members of the Subcommittee on Taxonomy of Rhizobia and Agrobacteria of the International Committee on Systematics of Prokaryotes review recent developments in rhizobial and agrobacterial taxonomy and propose ...
  • Mitochondrial introgression and interspecies recombination in the Fusarium fujikuroi species complex 
    Fourie, Gerda; Van der Merwe, Nicolaas Albertus (Albie); Wingfield, Brenda D.; Bogale, Mesfin Azene; Wingfield, Michael J.; Steenkamp, Emma Theodora (International Mycological Association, 2018-02-27)
    The Fusarium fujikuroi species complex (FFSC) is an economically important monophyletic lineage in the genus Fusarium. Incongruence observed among mitochondrial gene trees, as well as the multiple non-orthologous copies of ...
  • Multiple independent origins for a subtelomeric locus associated with growth rate in Fusarium circinatum 
    Van Wyk, Stephanie; Wingfield, Brenda D.; De Vos, Lieschen; Santana, Quentin C.; Van der Merwe, Nicolaas Albertus (Albie); Steenkamp, Emma Theodora (International Mycological Association, 2018-06)
    Fusarium is a diverse assemblage that includes a large number of species of considerable medical and agricultural importance. Not surprisingly, whole genome sequences for many Fusarium species have been published or are ...
  • No to neocosmospora : phylogenomic and practical reasons for continued inclusion of the fusarium solani species complex in the genus fusarium 
    O’Donnell, Kerry; Al-Hatmi, Abdullah M.S.; Aoki, Takayuki; Brankovics, Balazs; Cano-Lira, Jose F.; Coleman, Jeffrey J.; De Hoog, G. Sybren; Di Pietro, Antonio; Frandsen, Rasmus J.N.; Geiser, David M.; Gibas, Connie F.C.; Guarro, Josep; Kim, Hye-Seon; Kistler, H. Corby; Laraba, Imane; Leslie, John F.; Lopez-Berges, Manuel S.; Lysoe, Erik; Meis, Jacques F.; Monod, Michel; Proctor, Robert H.; Rep, Martijn; Ruiz-Roldan, Carmen; Sisic, Adnan; Stajich, Jason E.; Steenkamp, Emma Theodora; Summerell, Brett A.; Van der Lee, Theo A.J.; Van Diepeningen, Anne D.; Verweij, Paul E.; Waalwijk, Cees; Ward, Todd J.; Wickes, Brian L.; Wiederhold, Nathan P.; Wingfield, Michael J.; Zhang, Ning; Zhang, Sean X. (American Society for Microbiology, 2020-09-16)
    This article is to alert medical mycologists and infectious disease specialists of recent name changes of medically important species of the filamentous mold Fusarium. Fusarium species can cause localized and life-threating ...
  • Paraburkholderia strydomiana sp. nov. and Paraburkholderia steynii sp. nov.: rhizobial symbionts of the fynbos legume Hypocalyptus sophoroides 
    Beukes, Chrizelle Winsie; Steenkamp, Emma Theodora; Van Zyl, Elritha; Avontuur, Juanita R.; Chan, Wai Yin; Hassen, Ahmed Idris; Palmer, Marike; Mthombeni, Lunghile S.; Phalane, Francina L.; Sereme, T. Karabo; Venter, S.N. (Stephanus Nicolaas) (Springer, 2019-09)
    Please read abstract in the article.
  • Paraburkholderia youngii sp. nov. and ‘ Paraburkholderia atlantica ’ – Brazilian and Mexican Mimosa -associated rhizobia that were previously known as Paraburkholderia tuberum sv. mimosae 
    Mavima, Lazarus; Beukes, Chrizelle Winsie; Palmer, Marike; De Meyer, Sofie E.; James, Euan K.; Maluk, Marta; Gross, Eduardo; Junior, Fabio Bueno dos Reis; Avontuur, Juanita R.; Chan, Wai Yin; Venter, S.N. (Stephanus Nicolaas); Steenkamp, Emma Theodora (Elsevier, 2021-01)
    Please read abstract in the article.
  • Prokaryotic species are sui generis evolutionary units 
    Palmer, Marike; Venter, S.N. (Stephanus Nicolaas); Coetzee, Martin Petrus Albertus; Steenkamp, Emma Theodora (Elsevier, 2019-03)
    Many gene flow barriers associated with genetic isolation during eukaryotic species divergence, are lacking in prokaryotes. In these organisms the processes associated with horizontal gene transfer (HGT) may provide both ...
  • Ras2 is important for growth and pathogenicity in Fusarium circinatum 
    Phasha, Mmatshepho Malekgale; Wingfield, Michael J.; Wingfield, Brenda D.; Coetzee, Martin Petrus Albertus; Hallen-Adams, H.; Fru, Felix Fon; Swalarsk-Parry, Benedicta S.; Yilmaz, Neriman; Duong, Tuan A.; Steenkamp, Emma Theodora (Elsevier, 2021-05)
    In this study, we investigated to possible role of Ras2 in Fusarium circinatum- a fungus that causes pine pitch canker disease on many different pine species and has a wide geographic distribution. This protein is encoded ...
  • Repeat-induced point mutations drive divergence between Fusarium circinatum and its close relatives 
    Van Wyk, Stephanie; Wingfield, Brenda D.; De Vos, Lieschen; Van der Merwe, Nicolaas Albertus (Albie); Santana, Quentin C.; Steenkamp, Emma Theodora (MDPI, 2019-12)
    The Repeat-Induced Point (RIP) mutation pathway is a fungal-specific genome defense mechanism that counteracts the deleterious effects of transposable elements. This pathway permanently mutates its target sequences by ...
  • The RIPper, a web-based tool for genome-wide quantification of repeat-induced point (RIP) mutations 
    Van Wyk, Stephanie; Harrison, Christopher H.; Wingfield, Brenda D.; De Vos, Lieschen; Van der Merwe, Nicolaas Albertus (Albie); Steenkamp, Emma Theodora (PeerJ, 2019-08)
    BACKGROUND. The RIPper (http://theripper.hawk.rocks) is a set of web-based tools designed for analyses of Repeat-Induced Point (RIP) mutations in the genome sequences of Ascomycota. The RIP pathway is a fungal genome ...
  • Roadmap for naming uncultivated Archaea and Bacteria 
    Murray, Alison E.; Freudenstein, John; Gribaldo, Simonetta; Hatzenpichler, Roland; Hugenholtz, Philip; Kampfer, Peter; Konstantinidis, Konstantinos T.; Lane, Christopher E.; Papke, R. Thane; Parks, Donovan H.; Rossello-Mora, Ramon; Stott, Matthew B.; Sutcliffe, Iain C.; Thrash, J. Cameron; Venter, S.N. (Stephanus Nicolaas); Whitman, William B.; Acinas, Silvia G.; Amann, Rudolf I.; Anantharaman, Karthik; Armengaud, Jean; Baker, Brett J.; Barco, Roman A.; Bode, Helge B.; Boyd, Eric S.; Brady, Carrie Louise; Carini, Paul; Chain, Patrick S.G.; Colman, Daniel R.; DeAngelis, Kristen M.; De los Rios, Maria Asuncion; Estrada-de los Santos, Paulina; Dunlap, Christopher A.; Eisen, Jonathan A.; Emerson, David; Ettema, Thijs J.G.; Eveillard, Damien; Girguis, Peter R.; Hentschel, Ute; Hollibaugh, James T.; Hug, Laura A.; Inskeep, William P.; Ivanova, Elena P.; Klenk, Hans-Peter; Li, Wen-Jun; Lloyd, Karen G.; Loffler, Frank E.; Makhalanyane, Thulani Peter; Moser, Duane P.; Nunoura, Takuro; Palmer, Marike; Parro, Victor; Pedrós-Alio, Carlos; Probst, Alexander J.; Smits, Theo H.M.; Steen, Andrew D.; Steenkamp, Emma Theodora; Spang, Anja; Stewart, Frank J.; Tiedje, James M.; Vandamme, Peter; Wagner, Michael; Wang, Feng-Ping; Yarza, Pablo; Hedlund, Brian P.; Reysenbach, Anna-Louise (Nature Research, 2020-06-08)
    The assembly of single-amplified genomes (SAGs) and metagenome-assembled genomes (MAGs) has led to a surge in genome-based discoveries of members affiliated with Archaea and Bacteria, bringing with it a need to develop ...
  • The synergistic effect of concatenation in phylogenomics : the case in Pantoea 
    Palmer, Marike; Venter, S.N. (Stephanus Nicolaas); McTaggart, Alistair R.; Coetzee, Martin Petrus Albertus; Van Wyk, Stephanie; Avontuur, Juanita R.; Beukes, Chrizelle Winsie; Fourie, Gerda; Santana, Quentin C.; Van der Nest, Magrieta Aletta; Blom, Jochen; Steenkamp, Emma Theodora (PeerJ, 2019-04)
    With the increased availability of genome sequences for bacteria, it has become routine practice to construct genome-based phylogenies. These phylogenies have formed the basis for various taxonomic decisions, especially ...
  • Trinickia dabaoshanensis sp. nov., a new name for a lost species 
    Estrada-de los Santos, Paulina; Palmer, Marike; Steenkamp, Emma Theodora; Maluk, Marta; Beukes, Chrizelle Winsie; Hirsch, Ann M.; James, Euan K.; Venter, S.N. (Stephanus Nicolaas) (Springer, 2019-11)
    “Burkholderia dabaoshanensis” was described in 2012. Although the name was effectively published, it could not be validly published, because the description provided in the original paper did not comply with the Rule 27 ...
  • 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 ...
  • Unidirectional mating-type switching confers self-fertility to Thielaviopsis cerberus, the only homothallic species in the genus 
    Kramer, Daniella; Lane, Frances Alice; Steenkamp, Emma Theodora; Wingfield, Brenda D.; Wilken, Pieter Markus (Elsevier, 2021-06)
    Sexual reproduction is ubiquitous in nature, and nowhere is this more so than in the fungi. Heterothallic behaviour is observed when there is a strict requirement of contact between two individuals of opposite mating type ...