Browsing Research Articles (Microbiology and Plant Pathology) by Title

Browsing Research Articles (Microbiology and Plant Pathology) by Title

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  • Breed ancestry, divergence, admixture, and selection patterns of the Simbra crossbreed 
    Van der Nest, Magrieta Aletta; Hlongwane, Nompilo; Hadebe, Khanyisile; Chan, Wai Yin; Van der Merwe, Nicolaas Albertus (Albie); De Vos, Lieschen; Greyling, Ben; Kooverjee, Bhaveni B.; Soma, Pranisha Omduth; Dzomba, Edgar F.; Bradfield, Michael; Muchadeyi, Farai C. (Frontiers Media, 2021-01)
    In this study, we evaluated an admixed South African Simbra crossbred population, as well as the Brahman (Indicine) and Simmental (Taurine) ancestor populations to understand their genetic architecture and detect genomic ...
  • Brenneria goodwinii sp. nov., associated with acute oak decline in the UK 
    Denman, Sandra; Brady, Carrie Louise; Kirk, Susan; Cleenwerck, Ilse; Venter, S.N. (Stephanus Nicolaas); Coutinho, Teresa A.; De Vos, Paul (Society for General Microbiology, 2012-10)
    A group of nine Gram-negative staining, facultatively anaerobic bacterial strains isolated from native oak trees displaying symptoms of acute oak decline (AOD) in the UK were investigated using a polyphasic approach. 16S ...
  • Bretziella, a new genus to accommodate the oak wilt fungus, Ceratocystis fagacearum (Microascales, Ascomycota) 
    De Beer, Z. Wilhelm; Marincowitz, Seonju; Duong, Tuan A.; Wingfield, Michael J. (Pensoft Publishers, 2017-10)
    Recent reclassification of the Ceratocystidaceae (Microascales) based on multi-gene phylogenetic inference has shown that the oak wilt fungus Ceratocystis fagacearum does not reside in any of the four genera in which it ...
  • Burkholderia kirstenboschensis sp. nov. nodulates papilionoid legumes indigenous to South Africa 
    Steenkamp, Emma Theodora; Van Zyl, E.; Beukes, Chrizelle Winsie; Avontuur, Juanita R.; Chan, Wai Yin; Palmer, Marike; Mthombeni, Lunghile S.; Phalane, Francina Lebogang; Sereme, T. Karabo; Venter, S.N. (Stephanus Nicolaas) (Elsevier, 2015-12)
    Despite the diversity of Burkholderia species known to nodulate legumes in introduced and native regions, relatively few taxa have been formally described. For example, the Cape Floristic Region of South Africa is thought ...
  • By blood or by choice? On relational autonomy and the familial ties that bind us 
    Van Wyk, Tanya (Stellenbosch University, Faculty of Theology, 2022)
    This article explores the range of the construct “family” in light of the author’s experience of how the death of a congregation-member exposed the strength, persistence and immovability of the construct, “family”. Despite ...
  • Calonectria species associated with cutting rot of Eucalyptus 
    Lombard, Lorenzo; Zhou, Xudong; Crous, Pedro W.; Wingfield, Brenda D.; Wingfield, Michael J. (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2010-01)
    Decline in the productivity of Eucalyptus hybrid cutting production in the Guangdong Province of China is linked to cutting rot associated with several Calonectria spp. The aim of this study was to identify these fungi ...
  • Calonectria species isolated from Eucalyptus plantations and nurseries in South China 
    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 ...
  • Calpurnia aurea (Aiton) benth extracts reduce quorum sensing controlled virulence factors in Pseudomonas aeruginosa 
    Cosa, Sekelwa; Rakoma, Jostina R.; Yusuf, Abdullahi Ahmed; Tshikalange, Thilivhali Emmanuel (MDPI Publishing, 2020-05-13)
    Pseudomonas aeruginosa is the causative agent of several life-threatening human infections. Like many other pathogens, P. aeruginosa exhibits quorum sensing (QS) controlled virulence factors such as biofilm during disease ...
  • Cardinal temperature differences, determined in vitro, between closely related species and subspecies of pectinolytic bacteria responsible for blackleg and soft rot on potatoes 
    Du Raan, S.; Coutinho, Teresa A.; Van der Waals, Jacqueline Elise (Springer, 2016-02)
    Potato blackleg and soft rot cause major losses and are caused by two bacterial genera, Pectobacterium and Dickeya. Species affecting potatoes are Pectobacterium atrosepticum (Pba), Pectobacterium carotovorum subsp. ...
  • A carotenoid-deficient mutant in Pantoea sp. YR343, a bacteria isolated from the Rhizosphere of Populus deltoides, is defective in root colonization 
    Bible, Amber N.; Fletcher, Sarah J.; Pelletier, Dale A.; Schadt, Christopher W.; Jawdy, Sara S.; Weston, David J.; Engle, Nancy L.; Tschaplinski, Timothy; Masyuko, Rachel; Polisetti, Sneha; Bohn, Paul W.; Coutinho, Teresa A.; Doktycz, Mitchel J.; Morrell-Falvey, Jennifer L. (Frontiers Research Foundation, 2016-04-18)
    The complex interactions between plants and their microbiome can have a profound effect on the health and productivity of the plant host. A better understanding of the microbial mechanisms that promote plant health and ...
  • A case of human survival of rabies, South Africa 
    Weyer, Jacqueline; Msimang-Dermaux, Veerle; Paweska, Janusz T.; Le Roux, Kevin; Govender, Premi; Coertse, Jessica; Markotter, Wanda; Nel, Louis Hendrik; Blumberg, Lucille Hellen (Medpharm Publications, NISC (Pty) Ltd, Taylor & Francis, and Informa business, 2016)
    Human survival from rabies is exceptionally rare. We report a case of human survival (with severe neurological sequelae) in a child from South Africa. The patient was exposed to rabid dogs on two separate occasions and ...
  • A case study of rabies diagnosis from formalin-fixed brain material 
    Coertse, Jessica; Nel, Louis Hendrik; Sabeta, Claude Taurai; Weyer, Jacqueline; Grobler, A.; Walters, J.; Markotter, Wanda (South African Veterinary Association, 2011-12)
    Rabies is caused by several Lyssavirus species, a group of negative sense RNA viruses. Although rabies is preventable, it is often neglected particularly in developing countries in the face of many competing public and ...
  • Ceratocystidaceae exhibit high levels of recombination at the mating-type (MAT) locus 
    Simpson, M.C. (Melissa Claire); Coetzee, Martin Petrus Albertus; Van der Nest, Magrieta Aletta; Wingfield, Michael J.; Wingfield, Brenda D. (Elsevier, 2018-12)
    Mating is central to many fungal life cycles and is controlled by genes at the mating-type (MAT) locus. These genes determine whether the fungus will be self-sterile (heterothallic) or self-fertile (homothallic). Species ...
  • Ceratocystis manginecans associated with a serious wilt disease of two native legume trees in Oman and Pakistan 
    Al Adawi, Ali Obaid; Barnes, Irene; Khan, I.A.; Al Subhi, A.M.; Al Jahwari, A.A.; Deadman, M.L.; Wingfield, Brenda D.; Wingfield, Michael J. (Springer, 2013-03)
    A serious wilt disease has recently been found on Prosopis cineraria (Ghaf) in Oman and on Dalbergia sissoo (Shisham) in Pakistan. Disease symptoms on both these native, leguminous hosts include vascular discolouration ...
  • Ceratocystis quercicola sp. nov. from Quercus variabilis in Korea 
    Cho, Sung-Eun; Lee, Dong Hyeon; Wingfield, Michael J.; Marincowitz, Seonju (Korean Society of Mycology, 2020-06-02)
    During a survey of putative fungal pathogens infecting oak trees in the Gangwon Province of the Republic of Korea, a fungus resembling a Ceratocystis sp. was repeatedly isolated from natural wounds on Quercus variabilis. ...
  • Ceratocystis species on Acacia mearnsii and Eucalyptus spp. in eastern and southern Africa including six new species 
    Heath, R.N. (Ronald Natale); Wingfield, Michael J.; Wingfield, Brenda D.; Meke, G.; Mbaga, A.; Roux, Jolanda (Kunming University of Science and Technology, P.R. China, 2009-01)
    A survey of Ceratocystis species infecting wounds on non-native Acacia mearnsii and Eucalyptus spp. in Kenya, Malawi, South Africa and Tanzania resulted in the identification of eight species of which six were new to ...
  • Ceratocystis species, including two new taxa, from Eucalyptus trees in South Africa 
    Nkuekam, Gilbert Kamgan; Wingfield, Michael J.; Roux, Jolanda (Springer, 2013-03)
    The ascomycete genus Ceratocystis (Microascales, Ceratocystidaceae) includes important fungal pathogens of trees, including Eucalyptus species. Ceratocystis species and their Thielaviopsis asexual states are typically ...
  • Ceratocystis wilt on Eucalyptus : first record from South Africa 
    Roux, Jolanda; Wingfield, Michael J.; Fourie, Arista; Noeth, K.; Barnes, Irene (NISC (Pty) Ltd and Informa UK Limited (trading as Taylor and Francis Group), 2020)
    Wilt and death of an E. grandis × E. urophylla variety was recently observed in the Zululand region of KwaZulu-Natal, South Africa. Symptoms on the dying trees included a streaking pattern of discolouration in the sapwood ...
  • Cercosporoid diseases of Citrus 
    Huang, Feng; Groenewald, Johannes Zacharias; Zhu, Li; Crous, Pedro W.; Li, Hongye (Mycological Society of America, 2015)
    Citrus leaves and fruits exhibiting disease symptoms ranging from greasy spot, yellow spot, small or large brown spot, black dot, and brown dot were sampled from Fujian, Guangdong, Guizhou, Hunan, Jiangxi, Yunnan, ...
  • Cercosporoid fungi (Mycosphaerellaceae) 3. Species on monocots (Poaceae, true grasses) 
    Braun, Uwe; Crous, Pedro W.; Nakashima, Chiharu (International Mycological Association, 2015-04-09)
    The third part of a series of monographic treatments of cercosporoid fungi (formerly Cercospora s. lat., Mycosphaerellaceae, Ascomycota) continues with a treatment of taxa on monocots (Liliopsida; Equisetopsida, Magnoliidae, ...