Browsing Research Articles (Microbiology and Plant Pathology) by Title

Browsing Research Articles (Microbiology and Plant Pathology) by Title

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  • 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, ...
  • Certification for gene-edited forests 
    Strauss, Steven H.; Boerjan, Wout; Chiang, Vincent; Costanza, Adam; Coleman, Heather; Davis, John M.; Lu, Meng-Zhu; Mansfield, Shawn D.; Merkle, Scott; Myburg, Alexander Andrew; Nilsson, Ove; Pilate, Gilles; Powell, William; Seguin, Armand; Valenzuela, Sofia (American Association for the Advancement of Science, 2019-08-23)
    Forest certification bodies were established to provide consumers with confidence that they are purchasing sustainably sourced wood products.
  • Challenges to planted forest health in developing economies 
    Hurley, Brett Phillip; Slippers, Bernard; Sathyapala, Shiroma; Wingfield, Michael J. (Springer, 2017-11)
    A number of strategies have been proposed to manage the increasing threat of insect pests to non-native plantation forests, but the implementation of these strategies can be especially challenging in developing economies, ...
  • Characterisation of a proposed Nucleorhabdovirus new to South Africa 
    Lamprecht, R.L. (Renate Luise); Pietersen, Gerhard; Kasdorf, G.G.F.; Nel, Louis Hendrik (Springer, 2009)
    A previously uncharacterised plant rhabdovirus, infecting Bermuda grass (Cynodon dactylon) in the North West Province, South Africa, has been found. To determine the morphology and virion size of this virus, embedded ...
  • Characterisation of oil degrading bacteria from tailored compost containing crude oil sludge 
    Ubani, Onyedikachi; Atagana, Harrison Ifeanyichukwu; Thantsha, Mapitsi Silvester; Adeleke, Rasheed (National Institute of Science Communication and Information Resources, 2016-04)
    In the present study, different bacteria with polycyclic aromatic hydrocarbon (PAH)-degrading capabilities were isolated from compost prepared from oil sludge and animal manures. These bacteria were isolated on a mineral ...
  • Characterisation of pectobacterium wasabiae causing blackleg and soft rot diseases in South Africa 
    Moleleki, Lucy Novungayo; Onkendi, Edward Makori; Mongae, Aobakwe Oratile; Kubheka, Gugulethu Cresentia (Springer, 2013)
    Pectolytic bacteria were isolated from potato tubers and stems showing tuber soft rot and blackleg symptoms. Approximately half (52 %) of the isolates could grow at both 27 and 37 °C while another half (48 %) failed ...