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Browsing by UP Author "Coutinho, Teresa A."
Now showing items 1-20 of 78
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De Maayer, Pieter; Yin Chan, Wai; Rubagotti, Enrico; Venter, S.N. (Stephanus Nicolaas); Toth, Ian K.; Birtch, Paul R.J.; Coutinho, Teresa A. (BioMed Central, 2014-05-27)BACKGROUND: Pantoea ananatis is found in a wide range of natural environments, including water, soil, as part of the epi- and endophytic flora of various plant hosts, and in the insect gut. Some strains have proven effective ...
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Pavlic-Zupanc, Draginja; Slippers, Bernard; Coutinho, Teresa A.; Wingfield, Michael J. (Blackwell, 2007-08)Eight species of the Botryosphaeriaceae (canker and dieback pathogens) were identified on native Syzygium cordatum in South Africa, based on anamorph morphology, ITS rDNA sequence data and PCR-RFLP analysis. The species ...
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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 ...
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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. ...
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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 ...
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Jacobs, Adriaana; Coutinho, Teresa A.; Wingfield, Michael J.; Ahumada, Rodrigo; Wingfield, Brenda D. (Academy of Science of South Africa, 2007-05)Fusarium circinatum is the causal agent of the pine disease commonly referred to as pitch canker. During 2001, a Fusarium species was isolated from dying Pinus radiata clonal hedges in various forestry nurseries in Chile ...
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Kubheka, Gugulethu Cresentia; Coutinho, Teresa A.; Moleleki, Ntsane; Moleleki, Lucy Novungayo (Fundacion Romulo Raggio, Argentina, 2013)Pectobacterium carotovorum subsp. brasiliense is a newly identified member of the potato soft rot enterobacteriaceae. The pathogenesis of this pathogen is still poorly understood. In this study, an mCherry-P. carotovorum subsp. ...
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De Maayer, Pieter; Pillay, Talia; Coutinho, Teresa A. (BioMed Central, 2020-01-30)BACKGROUND : The order Enterobacterales encompasses a broad range of metabolically and ecologically versatile bacterial taxa, most of which are motile by means of peritrichous flagella. Flagellar biosynthesis has been ...
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De Maayer, Pieter; Venter, S.N. (Stephanus Nicolaas); Kamber, Tim; Duffy, Brion; Coutinho, Teresa A.; Smits, Theo H.M. (BioMed Central, 2011)BACKGROUND: The Type VI secretion apparatus is assembled by a conserved set of proteins encoded within a distinct locus. The putative effector proteins Hcp and VgrG are also encoded within these loci. We have identified numerous ...
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Shyntum, Divine Yufetar; Venter, S.N. (Stephanus Nicolaas); Moleleki, Lucy Novungayo; Toth, Ian K.; Coutinho, Teresa A. (BioMed Central, 2014-02-26)BACKGROUND: The Type VI secretion system (T6SS) has been identified in several different bacteria, including the plant pathogenPantoea ananatis. Previous in silico analyses described three different T6SS loci present in ...
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Mitchell, R.G. (Richard Glen); Wingfield, Michael J.; Steenkamp, Emma Theodora; Roux, Jolanda; Verryn, Steve D.; Coutinho, Teresa A. (Taylor and Francis, 2014)Since the first appearance of Fusarium circinatum in South Africa in 1990, foresters have been challenged with poor field survival of seedlings at establishment. One of the best long-term solutions is to improve the genetic ...
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De Maayer, Pieter; Yin Chan, Wai; Rezzonico, Fabio; Buhlmann, Andreas; Venter, S.N. (Stephanus Nicolaas); Blom, Jochen; Goesmann, Alexander; Frey, Jurg E.; Smits, Theo H.M.; Duffy, Brion; Coutinho, Teresa A. (American Society for Microbiology, 2012-01-04)The enterobacterium Pantoea ananatis is an ecologically versatile species. It has been found in the environment, as plant epiphyte and endophyte, as an emerging phytopathogen, and as a presumptive, opportunistic human ...
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Stice, Shaun P.; Shin, Gi Yoon; De Armas, Stefanie; Koirala, Santosh; Galvan, Guillermo A.; Siri, Maria Ines; Severns, Paul M.; Coutinho, Teresa A.; Dutta, Bhabesh; Kvitko, Brian H. (Frontiers Media, 2021-03)Pantoea ananatis is a gram-negative bacterium and the primary causal agent of center rot of onions in Georgia. Previous genomic studies identified two virulence gene clusters, HiVir and alt, associated with center rot. ...
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Draft genome sequences of Pantoea agglomerans and Pantoea vagans isolates associated with termites Palmer, Marike; De Maayer, Pieter; Poulsen, Michael; Steenkamp, Emma Theodora; Van Zyl, Elritha; Coutinho, Teresa A.; Venter, S.N. (Stephanus Nicolaas) (BioMed Central, 2016-03-01)The genus Pantoea incorporates many economically and clinically important species. The plant-associated species, Pantoea agglomerans and Pantoea vagans, are closely related and are often isolated from similar environmen ...
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Weller-Stuart, Tania; Chan, Wai Yin; Coutinho, Teresa A.; Venter, S.N. (Stephanus Nicolaas); Smits, Theo H.M.; Duffy, Brion; Goszczynska, Teresa; Cowan, Don A.; De Maayer, Pieter (American Society for Microbiology, 2014-07-07)Pantoea ananatis is an emerging phytopathogen that infects a broad spectrum of plant hosts. Here, we present the genomes of two South African isolates, P. ananatis PA4, which causes center rot of onion, and BD442, isolated ...
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Coutinho, Teresa A.; Jacques, Marie-Agnes; Jones, Jeffrey (Frontiers Media, 2022-12-12)No abstract available.
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Ngadze, Elizabeth; Coutinho, Teresa A.; Icishahayo, David; Van der Waals, Jacqueline Elise (Elsevier, 2014-08)Nutrients such as boron, nitrogen and calcium stimulate the production of phenols. This research focuses on the role of calcium in increasing phenol metabolism in potato peels and the ensuing tuber resistance to soft rot ...
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Hammerbacher, Almuth; Wright, Louwrance Peter; Wingfield, Brenda D.; Wingfield, Michael J.; Coutinho, Teresa A. (NRC Research Press, 2009)Fusarium circinatum Nirenberg and O’Donnell is an important pathogen of pine seedlings and cuttings in South Africa. The fungus causes plant death in nurseries, as well as during establishment of pine plantations. The aim ...
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Brady, Carrie Louise; Venter, S.N. (Stephanus Nicolaas); Cleenwerck, Ilse; Vancanneyt, Marc; Swings, Jean; Coutinho, Teresa A. (Elsevier, 2007-07)The majority of Pantoea species are either plant-pathogenic or plant-associated and cause a wide variety of symptoms on a range of hosts. Identification of Pantoea species is difficult due to minor differences in phenotypic ...
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Ngadze, Elizabeth; Coutinho, Teresa A.; Van der Waals, Jacqueline Elise (American Phytopathological Society, 2010-10)A survey was carried out in the potato- (Solarium tuberosum L.) growing regions of Zimbabwe in April 2009 to assess the prevalence of bacterial soft rot. A total of 125 tubers with soft rot symptoms were collected. The ...
Now showing items 1-20 of 78