The primary goal of the CTHB is to promote the health of trees native to South Africa through the use of biotechnology. To accomplish this, CTHB projects typically consider the pathogens and pests that are associated with native trees and woody hosts. The CTHB also explores the possible effects that factors such as climate change, society, natural forest health and plant genetics may have on the health of native woody resources and ecosystems.

The CTHB is hosted by the Forestry and Agricultural Biotechnology Institute (FABI) at the University of Pretoria. Within FABI it is intimately linked to the Tree Protection Cooperative Programme (TPCP), a research programme that has a track record of more than two decades in dealing with the pests and diseases of commercially important forestry species.

The CTHB is structured as a virtual Centre of Excellence that conducts scientific research via a collaborative network, with the node of the network represented by researchers at UP. In addition to the UP group, this network involves researchers and their postgraduate students from other Higher Education Institutions in South Africa. These institutions include the Agricultural Research Council, University of Stellenbosch, University of Cape Town, University of the Witwatersrand, University of the Free State and Rhodes University.

New Publications

Jami F , Marincowitz S, Slippers B, Wingfield MJ. (2018) New Botryosphaeriales on native red milkwood (Mimusops caffra). Australasian Plant Pathology 10.1007/s13313-018-0586-4 PDF
Estrada-de los Santos P, Palmer M, Chávez-Ramírez B, Beukes C, Steenkamp ET, Briscoe L, Khan N, Maluk M, Lafos M, Humm E, Arrabit M, Crook M, Gross E, Simon MF, Bueno dos Reis F, Whitman WB, Shapiro N, Poole PS, Hirsch AM, Venter SN, James EK. (2018) Whole Genome Analyses Suggests that Burkholderia sensu lato Contains Two Additional Novel Genera (Mycetohabitans gen. nov., and Trinickia gen. nov.): Implications for the Evolution of Diazotrophy and Nodulation in the Burkholderiaceae. Genes 9(8):389. 10.3390/genes9080389
Naalden D, Haegeman A, de Almeida‐Engler J, Eshetu FB, Bauters L, Gheysen G. (2018) The Meloidogyne graminicola effector Mg16820 is secreted in the apoplast and cytoplasm to suppress plant host defense responses. Molecular plant pathology 10.1111/mpp.12719https://onlinelibrary.wiley.com/doi/abs/10.1111/mpp.12719
Marin-Felix Y, Hernandez-Restrepo M, Wingfield M, Akulov A, Carnegie A, Cheewangkoon R, Gramaje D, Groenewald J, Guarnaccia V, Halleen F, Lombard L, Luangsaard J, Marincowitz S, Moslemi A, Mostert L, Quaedvlieg W, Schumacher R, Spies C, Thangavel R, Taylor P, Wilson A, Wingfield B, Wood A, Crous P. (2018) Genera of phytopathogenic fungi: GOPHY 2. STUDIES IN MYCOLOGY 92:47 - 133. 10.1016/j.simyco.2018.04.002
Burgess TI, Tan YP, Garnas J, Edwards J, Scarlett KA, Shuttleworth LA, Daniel R, Dann EK, Parkinson LE, Dinh Q, Shivas RG, Jami F. (2018) Current status of the Botryosphaeriaceae in Australia. Australasian Plant Pathology 10.1007/s13313-018-0577-5 PDF
Tchotet Tchoumi JM, Coetzee MPA, Rajchenberg M, Wingfield MJ, Roux J. (2018) Three Ganoderma species, including Ganoderma dunense sp. nov., associated with dying Acacia cyclops trees in South Africa. Australasian Plant Pathology 10.1007/s13313-018-0575-7
Nicole M. Van Dam, Mesfin Wondafrash, Vartika Mathur , Tom O. Tytgat. (2018) Differences in Hormonal Signaling Triggered by Two Root-feeding Nematode Species Result in Contrasting Effects on Aphid Population Growth. Frontiers in Ecology and Evolution 10.3389/fevo.2018.00088
Mlonyeni XO, Wingfield MJ, Greeff JM, Wingfield BD, Slippers B. (2018) Genetic diversity of Amylostereum areolatum, the fungal symbiont of the invasive woodwasp Sirex noctilio in South Africa. Forest Pathology :e12449. 10.1111/efp.12449
Tan YP, Shivas RG, Marney TS , Edwards J , Dearnaley J , Jami F , Burgess TI. (2018) Australian cultures of Botryosphaeriaceae held in Queensland and Victoria plant pathology herbaria revisited. Australasian Plant Pathology PDF
Jami F , Marincowitz S, Crous PW, Jacobsohn A, Wingfield MJ. (2018) A new Cytospora species pathogenic on Carpobrotus edulis in its native habitat. FUSE 2 10.3114/fuse.2018.02.03 PDF
Wingfield BD, Bills GF, Dong Y, Huang W, Nel WJ, Swalarsk-Parry BS, Vaghefi N, Wilken PM, An Z, de Beer ZW, De Vos L, Chen L, Duong TA, Gao Y, Hammerbacher A, Kikkert JR, Li Y, Li H, Li K, Li Q, Liu X, Ma X, Naidoo K, Pethybridge SJ, Sun J, Steenkamp ET, van der Nest M, van Wyk S, Wingfield MJ, Xiong C, Yue Q, Zhang X. (2018) IMA Genome-F 9 Draft genome sequence of Annulohypoxylon stygium, Aspergillus mulundensis, Berkeleyomyces basicola (syn. Thielaviopsis basicola), Ceratocystis smalleyi, two Cercospora beticola strains, Coleophoma cylindrospora, Fusarium fracticaudum, Phialophora cf. hyalina, and Morchella septimelata. IMA Fungus 9(1):199-223. 10.5598/imafungus.2018.09.01.13 PDF
Ali DB, Marincowitz S, Wingfield MJ, Roux J, Crous PW, McTaggart AR. (2018) Novel Cryphonectriaceae from La Réunion and South Africa, and their pathogenicity on Eucalyptus. Mycological Progress 10.1007/s11557-018-1408-3
Meurisse N, Rassati D, Hurley BP, Brockerhoff EG, Haack RA. (2018) Common pathways by which non-native forest insects move internationally and domestically. Journal of Pest Science 10.1007/s10340-018-0990-0
Taerum SJ, De Beer ZW, Marincowitz S, Jankowiak R, Wingfield MJ. (2018) Ophiostoma quercus: an unusually diverse and globally widespread tree-infecting fungus. Fungal Biology 122(9):900-910. 10.1016/j.funbio.2018.05.005
Some outcomes of the Nomenclature Section of the XIXth International Botanical Congress
Masekela R, Vosloo S, Venter SN, De Beer ZW, Green RJ. (2018) The lung microbiome in children with HIV-bronchiectasis: a cross-sectional pilot study. BMC Pulmonary Medicine 18:87. 10.1186/s12890-018-0632-6
Clasen FJ, Pierneef RE, Slippers B, Reva O. (2018) EuGI: a novel resource for studying genomic islands to facilitate horizontal gene transfer detection in eukaryotes. BMC Genomics 19:323. 10.1186/s12864-018-4724-8
De Beer ZW, Marincowitz S, Duong TA, Wingfield MJ. (2018) (2592) Proposal to conserve Endoconidiophora fagacearum (Bretziella fagacearum, Ceratocystis fagacearum) against Chalara quercina (Thielaviopsis quercina) (Ascomycota: Sordariomycetes: Microascales). Taxon 67:440-440. 10.12705/672.14
McTaggart AR, Aime MC. (2018) The species of Coleosporium (Pucciniales) on Solidago in North America. Fungal Biology 10.1016/j.funbio.2018.04.007
Doungsa-ard C, McTaggart AR, Geering ADW, Shivas RG. (2018) Diversity of gall-forming rusts (Uromycladium, Pucciniales) on Acacia in Australia. Persoonia 40:221–238.
Kanzaki N, Tanaka SE, Ito M, Tanaka K, Slippers B, Tabata M. (2018) Some additional bionomic characters of Deladenus nitobei. Nematology 10.1163/15685411-00003168
Barnes I, Fourie A, Wingfield MJ, Harrington TC, McNew DL, Sugiyama LS, Luiz BC, Heller WP, Keith LM. (2018) New Ceratocystis species associated with rapid death of Metrosideros polymorpha in Hawai`i. Persoonia 40:154–181. 10.3767/persoonia.2018.40.07
Dittrich-Schröder G, Hoareau TB, Hurley BP, Wingfield MJ, Lawson S, Nahrung HF, Slippers B. (2018) Population genetic analyses of complex global insect invasions in managed landscapes: a Leptocybe invasa (Hymenoptera) case study. Biological Invasions 10.1007/s10530-018-1709-0
van den Berg N, Hartley J, Engelbrecht J, Mufamadi Z, Mavuso Z, van Rooyen Z. (2018) First Report of White Root Rot caused by Rosellinia necatrix on Persea americana in South Africa.. Plant Disease 10.1094/PDIS-10-17-1637-PDN
Viljoen E, Odeny DA, Coetzee MPA, Berger DK, Rees DJG. (2018) Application of Chloroplast Phylogenomics to Resolve Species Relationships Within the Plant Genus Amaranthus. Journal of Molecular Evolution 86(3-4):216-239. 10.1007/s00239-018-9837-9
Pham NQ, Barnes I, Chen SF, Pham TQ, Lombard L, Crous PW, Wingfield MJ. (2018) New species of Cylindrocladiella from plantation soils in South-East Asia. MycoKeys 32:1-24. 10.3897/mycokeys.32.23754
Fourie A, Wingfield MJ, Wingfield BD, van der Nest MA, Loots MT, Barnes I. (2018) Inheritance of phenotypic traits in the progeny of a Ceratocystis interspecific cross. Fungal Biology 122:717-729. 10.1016/j.funbio.2018.03.001
Sex: birds do it, bees do it - and fungi do it too. Here’s how, and why it matters
Nagel J, Wingfield MJ, Slippers B. (2018) Evolution of the mating types and mating strategies in prominent genera in the Botryosphaeriaceae. Fungal Genetics and Biology 114:24-33. 10.1016/j.fgb.2018.03.003
Siphathele Sibanda, Stanford Kwenda, Collins K. Tanui, Divine Shyntum, Teresa Coutinho, Lucy Moleleki. (2018) Transcriptome profiling reveals the EanI/R quorum sensing regulon in Pantoea ananatis LMG 2665T. Genes 9(3):148. 10.3390/genes9030148
Wilson A, Van der Nest M, Wilken P, Wingfield M, Wingfield B. (2018) Pheromone expression reveals putative mechanism of unisexuality in a saprobic ascomycete fungus. PLOS One 13(3):e0192517. 10.1371/journal.pone.0192517 PDF
De Beer ZW. (2018) A tiny beetle and its deadly fungus is threatening South Africa’s trees. The Conversation (27 February) http://bit.ly/2F0J2Ln PDF
Fourie G, van der Merwe NA, Wingfield BD, Bogale M, Wingfield MJ, Steenkamp ET. (2018) Mitochondrial introgression and interspecies recombination in the Fusarium fujikuroi species complex. IMA Fungus 9(1):37-48. 10.5598/imafungus.2018.09.01.04
Palmer M, Steenkamp ET, Coetzee MPA, Avontuur JR, Chan WY, Van Zyl E, Blom J, Venter SN. (2018) Mixta gen. nov., a new genus in the Erwiniaceae. International Journal of Systematic and Evolutionary Microbiology 10.1099/ijsem.0.002540
Van Wyk S, Wingfield BD, De Vos L, Santana QC, Van der Merwe N, Steenkamp ET. (2018) Multiple independent origins for a subtelomeric locus associated with growth rate in Fusarium circinatum. IMA Fungus 9(1):27-36. 10.5598/imafungus.2018.09.01.03 PDF
Abate BA, Slippers B, Wingfield MJ, Malan AP, Hurley BP. (2018) Diversity of entomopathogenic nematodes and their symbiotic bacteria in South African plantations and indigenous forests. Nematology 10.1163/15685411-00003144
Palmer M, Steenkamp ET, Coetzee MPA, Blom J, Venter SN. (2018) Genome-based characterization of biological processes that differentiate closely related bacteria. Frontiers in Microbiology 9:113. 10.3389/fmicb.2018.00113 PDF
Paap T, de Beer ZW, Migliorini D, Nel W, Wingfield MJ. (2018) The polyphagous shot hole borer (PSHB) and its fungal symbiont Fusarium euwallaceae: a new invasion in South Africa. Australasian Plant Pathology 10.1007/s13313-018-0545-0 PDF
van den Berg N, Christie JB, Engelbrecht J, Aveling TAS. (2018) Callose and β-1,3-glucanase inhibit Phytophthora cinnamomi in a resistant avocado rootstock. Plant Pathology 10.1111/ppa.12819
Wilken PM, Steenkamp ET, Van der Nest MA, Wingfield MJ, De Beer ZW, Wingfield BD. (2018) Unexpected placement of the MAT1-1-2 gene in the MAT1-2 idiomorph of Thielaviopsis. Fungal Genetics and Biology 32:32-41. 10.1016/j.fgb.2018.01.007
Mlonyeni XO, Wingfield BD, Greef JM, Hurley BP, Wingfield MJ, Slippers B. (2018) Population variation in traits of Deladenus siricidicola that could influence the biocontrol of Sirex noctilio in South Africa. International Journal of Pest Management 10.1080/09670874.2017.1421327 PDF
Zlatkovic M, Wingfield MJ, Jami F, Slippers B. (2018) Host specificity of co-infecting Botryosphaeriaceae on ornamental and forest trees in the Western Balkans. Forest Pathology 10.1111/efp.12410
Wingfield BD. (2018) People, funding and constant learning are key to creating research excellence. The Conversation (21 January) http://bit.ly/2DtrY3F PDF
Slippers B, Singh S. (2018) African mothers in science need more support. Providing it is actually easy. The Conversation (10 January) http://bit.ly/2Dp0cl5 PDF
Steenkamp ET, Wingfield MJ, McTaggart AR, Wingfield BD. (2018) Fungal species and their boundaries matter – Definitions, mechanisms and practical implications. Fungal Biology Reviews 32(2):104-116. 10.1016/j.fbr.2017.11.002
Liversage J, Coetzee MPA, Bluhm BH, Berger DK, Crampton BG. (2018) LOVe across kingdoms: Blue light perception vital for growth and development in plant–fungal interactions. Fungal Biology Reviews 10.1016/j.fbr.2017.11.003
Liu FF, Barnes I, Roux J, Wingfield MJ, Chen SF. (2018) Molecular phylogenetics and microsatellite analysis reveal a new pathogenic Ceratocystis species in the Asian-Australian Clade. Plant Pathology 10.1111/ppa.12820
Adamson K, Mullett MS, Solheim H, Barnes I, Müller MM, Hantula J, Vuorinen M, Kačergius A, Markovskaja S, Musolin DL, Davydenko K, Keča N, Ligi K, Priedite RD, Millberg H, Drenkhan R. (2018) Looking for relationships between the populations of Dothistroma septosporum in northern Europe and Asia. Fungal Genetics and Biology 110:15-25. 10.1016/j.fgb.2017.12.001
Coetzee MPA, Musasira NY, Roux J, Roets F, van der Merwe NA, Wingfield MJ. (2018) Armillaria root rot spreading into a natural woody ecosystem in South Africa. Plant Pathology 10.1111/ppa.12804
Nel WJ, Duong TA, Wingfield BD, Wingfield MJ, De Beer ZW. (2018) A new genus and species for the globally important, multi-host root pathogen Thielaviopsis basicola. Plant Pathology 67:871-882. 10.1111/ppa.12803