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Browsing Research Articles (Genetics) by UP Author "Steenkamp, Emma Theodora"
Now showing items 1-20 of 59
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Sayari, Mohammad; Van der Nest, Magrieta Aletta; Steenkamp, Emma Theodora; Adegeye, O.O.; Marincowitz, Seonju; Wingfield, Brenda D. (Elsevier, 2019-09)Functional association between genomic loci and specific biological traits remains lacking in many fungi, including the African tree pathogen Ceratocystis albifundus. This is mainly because of the absence of suitable ...
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Palmer, Marike; Steenkamp, Emma Theodora; Blom, Jochen; Hedlund, Brian P.; Venter, S.N. (Stephanus Nicolaas) (Microbiology Society, 2020-04)In prokaryotic taxonomy, a set of criteria is commonly used to delineate species. These criteria are generally based on cohesion at the phylogenetic, phenotypic and genomic levels. One such criterion shown to have promise ...
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Phasha, Mmatshepho Malekgale; Wingfield, Brenda D.; Coetzee, Martin Petrus Albertus; Santana, Quentin C.; Fourie, Gerda; Steenkamp, Emma Theodora (Genetics Society of America, 2017-11)Removal of introns from transcribed RNA represents a crucial step during the production of mRNA in eukaryotes. Available whole-genome sequences and expressed sequence tags (ESTs) have increased our knowledge of this ...
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Beukes, Chrizelle Winsie; Boshoff, Francois S.; Phalane, Francina L.; Hassen, Ahmed Idris; Le Roux, Marianne M.; Stepkowski, Tomasz; Venter, S.N. (Stephanus Nicolaas); Steenkamp, Emma Theodora (Frontiers Media, 2019-06-04)Vachellia karroo (formerly Acacia karroo) is a wide-spread legume species indigenous to southern Africa. Little is known regarding the identity or diversity of rhizobia that associate with this plant in its native range ...
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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. ...
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Avontuur, Juanita Rayleen; Palmer, Marike; Beukes, Chrizelle Winsie; Chan, Wai Yin; Tasiya, Taponeswa; Van Zyl, Elritha; Coetzee, Martin Petrus Albertus; Stepkowski, Tomasz; Venter, S.N. (Stephanus Nicolaas); Steenkamp, Emma Theodora (Elsevier, 2022-02)Please read abstract in the article.
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Fitza, Katrin N.E.; Payn, K.; Steenkamp, Emma Theodora; Myburg, Alexander Andrew; Naidoo, Sanushka (Elsevier, 2013-03)Fusarium circinatum is the causal agent for the disease, pitch canker, in Pinus patula. Commercial forestry incurs large economic losses from the pathogen, primarily as a result of post-planting mortality resulting in ...
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Visser, Erik A.; Wegrzyn, Jill L.; Steenkamp, Emma Theodora; Myburg, Alexander Andrew; Naidoo, Sanushka (BioMed Central, 2015-12-12)BACKGROUND : Pines are the most important tree species to the international forestry industry, covering 42 % of the global industrial forest plantation area. One of the most pressing threats to cultivation of some pine ...
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Naidoo, Kershney; Steenkamp, Emma Theodora; Coetzee, Martin Petrus Albertus; Wingfield, Michael J.; Wingfield, Brenda D.; Corradi, Nicolas (Public Library of Science, 2013-03-12)BACKGROUND: Gene conversion is the mechanism proposed to be responsible for the homogenization of multigene families such as the nuclear ribosomal gene clusters. This concerted evolutionary process prevents individual ...
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Contrasting carbon metabolism in saprotrophic and pathogenic microascalean fungi from Protea trees Aylward, Janneke; Wingfield, Brenda D.; Dreyer, Leanne Laurette; Roets, Francois; Wingfield, Michael J.; Steenkamp, Emma Theodora (Elsevier, 2017-12)Protea-associated Knoxdaviesia species grow on decaying inflorescences, yet are closely related to plant pathogens such as Ceratocystis albifundus. C. albifundus also infects Protea, but occupies a distinct niche. We ...
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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 ...
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Kvas, Marija; Marasas, Walter F.O. (Walter Friedrich Otto); Wingfield, Brenda D.; Wingfield, Michael J.; Steenkamp, Emma Theodora (Kunming University of Science and Technology, P.R. China, 2009-01)The Gibberella fujikuroi complex (GFC) is a monophyletic taxon that includes an assemblage of Fusarium species with similar and overlapping morphological traits that complicates their differentiation. Most of the species ...
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Sayari, Mohammad; Steenkamp, Emma Theodora; Van der Nest, Magrieta Aletta; Wingfield, Brenda D. (Elsevier, 2018-09)Polyketides are low-molecular weight secondary metabolites with diverse biological activities. Polyketide synthase (PKS) and other proteins responsible for producing these compounds are often encoded from genes that are ...
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Wilken, Pieter Markus; Steenkamp, Emma Theodora; Wingfield, Michael J.; De Beer, Z. Wilhelm; Wingfield, Brenda D. (Public Library of Science, 2014-03)Fungi have evolved a remarkable diversity of reproductive strategies. Some of these, most notably those of the model fungi, have been well studied but others are poorly understood. The latter is also true for uni-directional ...
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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 ...
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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, ...
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Wingfield, Brenda D.; Ades, Peter K.; Al-Naemi, Fatima A.; Beirn, Lisa A.; Bihon, Wubetu; Crouch, Jo Anne; De Beer, Z. Wilhelm; De Vos, Lieschen; Duong, Tuan A.; Fields, Christopher J.; Fourie, Gerda; Kanzi, Aquillah M.; Malapi-Wight, Martha; Pethybridge, Sarah J.; Radwan, Osman; Rendon, Gloria; Slippers, Bernard; Santana, Quentin C.; Steenkamp, Emma Theodora; Taylor, Paul W.J.; Vaghefi, Niloofar; Van der Merwe, Nicolaas Albertus (Albie); Veltri, Daniel; Wingfield, Michael J. (International Mycological Association, 2015-06-22)The genomes of Chrysoporthe austroafricana, Diplodia scrobiculata, Fusarium nygami, Leptographium lundbergii, Limonomyces culmigenus, Stagonosporopsis tanaceti, and Thielaviopsis punctulata are presented in this genome ...
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Draft genome sequences of Diplodia sapinea, Ceratocystis manginecans, and Ceratocystis moniliformis Van der Nest, Magrieta Aletta; Bihon, Wubetu; De Vos, Lieschen; Naidoo, Kershney; Roodt, Danielle; Rubagotti, Enrico; Slippers, Bernard; Steenkamp, Emma Theodora; Wilken, Pieter Markus; Wilson, Andrea M.; Wingfield, Michael J.; Wingfield, Brenda D. (International Mycological Association, 2014-06-19)The draft nuclear genomes of Diplodia sapinea, Ceratocystis moniliformis s. str., and C. manginecans are presented. Diplodia sapinea is an important shoot-blight and canker pathogen of Pinus spp., C. moniliformis is a ...
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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, 2019-09-13)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 ...
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Visser, Erik A.; Wegrzyn, Jill L.; Steenkamp, Emma Theodora; Myburg, Alexander Andrew; Naidoo, Sanushka (MDPI, 2019-09-04)Fusarium circinatum poses a serious threat to many pine species in both commercial and natural pine forests. Knowledge regarding the molecular basis of pine-F. circinatum host-pathogen interactions could assist efforts to ...
Now showing items 1-20 of 59