Browsing Research Articles (Genetics) by UP Author "Barnes, Irene"

Browsing Research Articles (Genetics) by UP Author "Barnes, Irene"

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  • Van der Nest, Ariska; Wingfield, Michael J.; Ortiz, Paulo C.; Barnes, Irene (International Mycological Association, 2019-06-07)
    Lecanosticta acicola causes the disease known as brown spot needle blight (BSNB), on Pinus species. The pathogen is thought to have a Central American centre of origin. This was based on the morphological variation between ...
  • Li, JieQiong; Wingfield, Michael J.; Liu, QianLi; Barnes, Irene; Roux, Jolanda; Lombard, Lorenzo; Crous, Pedro W.; Chen, ShuaiFei (International Mycological Association, 2017-10-17)
    Diseases caused by species of Calonectria (Ca.) represent a serious threat to the growth and sustainability of Eucalyptus plantations in China. Symptoms caused by these fungi mainly include leaf blight on trees in ...
  • Al Adawi, Ali Obaid; Barnes, Irene; Khan, I.A.; Deadman, M.L.; Wingfield, Brenda D.; Wingfield, Michael J. (Springer, 2014-07)
    Ceratocystis manginecans has recently been described from Oman and Pakistan where the fungus causes a serious wilt disease of mango. In both countries, the disease has moved rapidly throughout mango producing areas leading ...
  • Janoušek, J.; Krumböck, S.; Kirisits, Thomas; Bradshaw, R.E.; Barnes, Irene; Jankovský, L.; Stauffer, C. (Springer, 2014-03)
    Lecanosticta acicola is an ascomycete that causes brown spot needle blight of pine species in many regions of the world. This pathogen is responsible for a major disease of Pinus palustris in the USA and is a quarantine ...
  • Nkuekam, Gilbert Kamgan; Barnes, Irene; Wingfield, Michael J.; Roux, Jolanda (Mycological Society of America, 2009)
    Ceratocystis pirilliformis was first isolated from wounds on Eucalyptus nitens in Australia and subsequently found in a similar niche on E. grandis in South Africa. Artificial inoculation studies under field conditions in ...
  • Tsopelas, Panaghiotis; Barnes, Irene; Soulioti, N.; Wingfield, Michael J. (American Phytopathological Society, 2013-09)
    No abstract available.
  • Wingfield, Brenda D.; Fourie, Arista; Simpson, M.C. (Melissa Claire); Bushula-Njah, Vuyiswa; Aylward, Janneke; Barnes, Irene; Coetzee, Martin Petrus Albertus; Dreyer, Leanne L.; 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 ...
  • 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 Marthinus; 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 ...
  • Barnes, Irene; Walla, J.A.; Bergdahl, A.; Wingfield, Michael J. (American Phytopathological Society, 2014-10)
    No abstract available
  • Janoušek, Josef; Wingfield, Michael J.; Marmolejo Monsivais, José G.; Jankovský, Libor; Stauffer, Christian; Konečný, Adam; Barnes, Irene (American Phytopathological Society, 2016-11)
    Lecanosticta acicola is a heterothallic ascomycete that causes brown spot needle blight on native and nonnative Pinus spp. in many regions of the world. In this study we investigated the origin of European L. acicola ...
  • Sadikovic, D.; Piskur, B.; Barnes, Irene; Hauptman, T.; Diminic, D.; Wingfield, Michael J.; Jurc, D. (Wiley, 2019-08)
    Brown spot needle blight (BSNB), a disease of pine trees caused by the fungus Lecanosticta acicola, has been known in Slovenia since 2008 and in Croatia since 1975. Recent outbreaks in Slovenia prompted this study to compare ...
  • Bradshaw, Rosie E.; Sim, Andre D.; Chettri, Pranav; Dupont, Pierre‐Yves; Guo, Yanan; Hunziker, Lukas; McDougal, Rebecca L.; Van der Nest, Ariska; Fourie, Arista; Wheeler, David; Cox, Murray P.; Barnes, Irene (British Society for Plant Pathology and John Wiley & Sons Ltd, 2019-06)
    Dothistroma needle blight is one of the most devastating pine tree diseases worldwide. New and emerging epidemics have been frequent over the last 25 years, particularly in the Northern Hemisphere, where they are in ...
  • Wingfield, Brenda D.; Fourie, Arista; Simpson, M.C. (Melissa Claire); Bushula-Njah, Vuyiswa; Aylward, Janneke; Barnes, Irene; Coetzee, Martin Petrus Albertus; Dreyer, Léanne L.; 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 ...
  • Fourie, Arista; Wingfield, Michael J.; Wingfield, Brenda D.; Van der Nest, Magrieta Aletta; Loots, Mattheus Theodor; Barnes, Irene (Elsevier, 2018-07)
    Ceratocystis fimbriata is a fungal plant pathogen that causes black rot on Ipomoea batatas. Based on inoculation studies on numerous tree species, the pathogen is known to be host specific. The closely related species, ...
  • Van der Nest, Ariska; Wingfield, Michael J.; Janoušek, Josef; Barnes, Irene. (British Society for Plant Pathology and John Wiley & Sons Ltd, 2019-10)
    Lecanosticta acicola causes brown spot needle blight (BSNB) of Pinus species. The pathogen occurs mostly in the Northern Hemisphere but has also been reported in Central America and Colombia. BSNB can lead to stunted growth ...
  • Fourie, Arista; Wingfield, Michael J.; Wingfield, Brenda D.; Barnes, Irene (Springer, 2015)
    Ceratocystis sensu stricto is a genus of closely related fungi that are mostly plant pathogens. Morphological variation between species in this genus is limited and species delineation is strongly reliant on phylogenetic ...
  • Liu, F.F.; Barnes, Irene; Roux, Jolanda; Wingfield, Michael J.; Chen, ShuaiFei (Wiley, 2018-05)
    The ascomycete genus Ceratocystis has a broad geographic distribution and includes pathogens of a wide range of mostly woody hosts. Black rot of Colocasia esculenta (taro), a popular cultivated root crop in China, is caused ...
  • Barnes, Irene; Fourie, Arista; Wingfield, Michael J.; Harrington, T.C.; McNew, D.L.; Sugiyama, L.S.; Luiz, B.C.; Heller, W.P.; Keith, L.M. (Naturalis Biodiversity Center, 2018-03-27)
    The native ˋōhiˋa lehua (Metrosideros polymorpha) has cultural, biological and ecological significance to Hawai`i, but it is seriously threatened by a disease commonly referred to as rapid ˋōhiˋa death (ROD). Preliminary ...
  • Liu, FeiFei; Mbenoun, Michael; Barnes, Irene; Roux, Jolanda; Wingfield, Michael J.; Li, GuoQing; Li, JieQiong; Chen, ShuaiFei (Springer, 2015-06)
    During routine surveys for possible fungal pathogens in the rapidly expanding plantations of Eucalyptus and Cunninghamia lanceolata in China, numerous isolates of unknown species in the genus Ceratocystis (Microascales) ...
  • Du Plessis, Erika M.; Granados, G.M.; Barnes, Irene; Ho, W.H.; Alexander, B.J.R.; Roux, Jolanda; McTaggart, Alistair R. (Springer, 2019-05)
    The myrtle rust pathogen, Austropuccinia psidii, was recently detected in New Zealand and Singapore. We used microsatellite markers to identify the strain of A. psidii that caused these incursions. Our results show that ...