Dr Irene Barnes

Senior Lecturer | |
Department |
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Biochemistry, Genetics and Microbiology |
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This email address is being protected from spambots. You need JavaScript enabled to view it. |
Research Profiles
My Students
Primary Supervisor |
Felipe Balocchi |
Arista Fourie |
Ginna M. Granados |
Ariska Van Der Nest |
Co Supervisor |
Firehiwot Eshetu |
JieQiong Li |
David Livingstone Nsibo |
Nam Pham |
Primary Supervisor |
Angelique Jacobsohn |
Kira Lynn |
Vimbai Siziba |
Co Supervisor |
Esna du Plessis |
Mohd Redzuan Abdul Rauf |
Conrad Trollip |
My Files
My Links
- Arista Fourie passes her MSc Cum Laude!
- Ceratocystis genome jamboree
- FABI academics shine at the 2015 UP Academic Achievers Awards
- FABI puts UP on the Mycological World Map
- FABI researchers elected to the executive of the South African Genetics Society
- FABI teamwork: almost 1500 genes annotated in 5 hours!
- FABIAns attend 48th Congress of the Brazilian Phytopathology Society
- FABIans judge at the 2016 Northern Gauteng Senior Science Fair
- FABIans making an impact at IMC10, Bangkok
- FABIans organize the 2014 SA Bioinformatics and Genetics Society Congress
- FABIAns present research at Workshop on Genetics of Tree-Parasite Interactions in France
- FABIans revise Ceratocystis, a genus of important tree pathogens
- First Phylogenomics Workshop at FABI
- Fusarium circinatum: The first eukaryotic genome sequenced and annotated in Africa
- Microsatellite Workshop held in FABI2
- More news from IMC10
- MPPI and CFPRG host Cercospora transformation workshop
- Mycology workshop in FABI a great success
- Phylogeny programs
- Population Genetics Guest Lecture
- Real scientists in FABI start young
- SASPP (Southern African Society of Plant Pathology)
- St Mary’s DSG visits FABI
- Strong FABI delegation attends Southern African Society of Plant Pathology (SASPP) Congress
- TUKS showcases international tree health research at the annual TPCP symposium
Current research
Dothistroma
Taxonomy, phylogeny and population biology of the red-band needle blight pathogens.
In this study we focus on characterising and describing the pathogens that cause dothistroma needle blight (DNB) or red-band needle blight. We determine their phylogenetic placement within the Mycosphaerellaceae and investigate their host range and geographical distribution. This work also involves the development of microsatellite markers for population studies of D. septosporum and D. pini.
Ceratocystis
Taxonomy, phylogeny and population biology of Ceratocystis species.
Much of this work involves the screening of molecular markers for their efficacy in delineating cryptic species within the Ceratocystis species complexes. In addition we study some of the most pathogenic Ceratocystis species on a population level to determine the invasiveness and movement of these fungi on a global scale.
My Journal Articles
Publication |
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Pham NQ, Barnes I, Chen SF, Liu FF, Dang NQ, Pham TQ, Lombard L, Crous PW, Wingfield MJ. (2019) Ten new species of Calonectria from Indonesia and Vietnam. Mycologia
10.1080/00275514.2018.1522179 ![]() |
Nsibo DL, Barnes I, Kunene NT, Berger DK. (2019) Influence of farming practices on the population genetics of the maize pathogen Cercospora zeina in South Africa. Fungal Genetics and Biology
10.1016/j.fgb.2019.01.005 |
Liu FF, Li GQ, Roux J, Barnes I, Wilson AM, Wingfield MJ, Chen SF. (2019) Nine novel species of Huntiella from southern China with three distinct mating strategies and variable levels of pathogenicity. Mycologia
10.1080/00275514.2018.1515450 ![]() |
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 |
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 |
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 |
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Li JQ, Wingfield MJ, Liu QL, Barnes I, Roux J, Lombard L, Crous PW, Chen SF. (2017) Calonectria species isolated from Eucalyptus plantations and nurseries in South China. IMA Fungus 8(2):259-286.
10.5598/imafungus.2017.08.02.04 |
Ozturk KI, Chettri P, Dupont P-Y, Barnes I, McDougal RL, Moore GG, Sim A, Bradshaw RE. (2017) Evolution of polyketide synthesis in a Dothideomycete forest pathogen. Fungal Genetics and Biology 106:42-50.
10.1016/j.fgb.2017.07.001 |
Wingfield MJ, Barnes I, De Beer ZW, Roux J, Wingfield BD, Taerum SJ. (2017) Novel associations between ophiostomatoid fungi, insects and tree hosts: current status—future prospects. Biological Invasions 19:3215-3228.
10.1007/s10530-017-1468-3 |
Wingfield MJ, Slippers B, Wingfield BD, Barnes I. (2017) The unified framework for biological invasions: a forest fungal pathogen perspective. Biological Invasions 19(11):3201-3214.
10.1007/s10530-017-1450-0 |
Granados GM, McTaggart AR, Barnes I, Rodas CA, Roux J, Wingfield MJ. (2017) The pandemic biotype of Austropuccinia psidii discovered in South America. Australasian Plant Pathology 46(3):267-275.
10.1007/s13313-017-0488-x |
Marin-Felix Y, Groenewald JZ, Cai L, Chen Q, Marincowitz S, Barnes I, Bensch K, Braun U, Camporesi E, Damm U, De Beer ZW, Dissanayake A, Edwards J, Giraldo A, Hernández-Restrepo M, Hyde KD, Jayawardena RS, Lombard L, Luangsa-ard J, McTaggart AR, Rossman AY, Sandoval-Denis M, Shen M, Shivas RG, Tan YP, van der Linde EJ, Wingfield MJ, Wood AR, Zhang JQ, Zhang Y, Crous PW. (2017) Genera of phytopathogenic fungi: GOPHY 1. Studies in Mycology 86:99-216.
10.1016/j.simyco.2017.04.002 |
Misse AC, Barnes I, Roets F, Mbenoun M, Wingfield MJ, Roux J. (2017) Ecology and population structure of a tree wound-infecting fungus in a native South African forest environment. Fungal Biology 121(1):69-81.
10.1016/j.funbio.2016.09.002 |
Li JQ, Wingfield MJ, Liu QL, Barnes I, Roux J, Lorenzo L, Crous PW, Chen SF. (2017) Calonectria species isolated from Eucalyptus plantations and nurseries in South China. IMA FUNGUS 8(2):259-286.
10.5598/imafungus.2017.08.02.04 ![]() |
Roux J, Granados GM, Shuey L, Barnes I, Wingfield MJ, McTaggart AR. (2016) A unique genotype of the rust pathogen, Puccinia psidii, on Myrtaceae in South Africa. Australasian Plant Pathology 45:645-652.
10.1007/s13313-016-0447-y |
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Human MP, Barnes I, Craven M, Crampton BG. (2016) Lack of population structure and mixed reproduction modes in Exserohilum turcicum from South Africa. Phytopathology 106(11):1386-1392.
10.1094/PHYTO-12-15-0311-R |
Muller MF, Barnes I, Kunene NT, Crampton BG, Bluhm B, Phillips S, Olivier NA, Berger DK. (2016) Cercospora zeina from maize in South Africa exhibits high genetic diversity and lack of regional population differentiation. Phytopathology 106(10):1194-1205.
10.1094/PHYTO-02-16-0084-FI |
Lee DH, Roux J, Wingfield BD, Barnes I, Wingfield MJ. (2016) New host range and distribution of Ceratocystis pirilliformis in South Africa. European Journal of Plant Pathology 146(3):483-496.
10.1007/s10658-016-0933-7 |
Fourie A, Wingfield MJ, Wingfield BD, Thu PQ, Barnes I. (2016) A possible centre of diversity in South East Asia for the tree pathogen, Ceratocystis manginecans. Infection, Genetics and Evolution 41:73-83.
10.1016/j.meegid.2016.03.011 ![]() |
Lee DH, Roux J, Wingfield BD, Barnes I, Mostert L, Wingfield MJ. (2016) The genetic landscape of Ceratocystis albifundus populations in South Africa reveals a recent fungal introduction event. Fungal Biology 120(5):690-700.
10.1016/j.funbio.2016.03.001 |
Janousek J, Wingfield MJ, Marmolejo Monsivais JG, Jankovský L, Stauffer C, Konečný A, Barnes I. (2016) Genetic analyses suggest separate introductions of the pine pathogen Lecanorticta acicola into Europe. Phytopathology 106:1413-1425.
10.1094/PHYTO-10-15-0271-R |
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Rodas CA, Wingfield MJ, Granados GM, Barnes I. (2016) Dothistroma Needle Blight: an emerging epidemic caused by Dothistroma septosporum in Colombia. Plant Pathology 65(1):53-63.
10.1111/ppa.12389 ![]() |
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Wingfield BD, Barnes I, De Beer ZW, De Vos L, Duong TA, Kanzi AM, Naidoo K, Nguyen HDT, Santana QC, Sayari M, Seifert KA, Steenkamp ET, Trollip C, Van der Merwe N, Van der Nest MA, Wilken PM, Wingfield MJ. (2015) Draft genome sequences of Ceratocystis eucalypticola, Chrysoporthe cubensis, C. deuterocubensis, Davidsoniella virescens, Fusarium temperatum, Graphilbum fragrans, Penicillium nordicum, and Thielaviopsis musarum. IMA Fungus 6(2):493-506.
10.5598/imafungus.2015.06.02.13 ![]() |
Stielow JB, Lévesque CA, Seifert KA, Meyer W, Irinyi L, Smits D, Renfurm R, Verkley GJM, Groenewald M, Chaduli D, Lomascolo A, Welti S, Lesage-Meessen L, Favel A, Al-Hatmi AMS, Damm U, Yilmaz N, Houbraken J, Lombard L, Quaedvlieg W, Binder M, Vaas LAI, Vu D, Yurkov A, Begerow D, Roehl O, Guerreiro M, Fonseca A, Samerpitak K, Van Diepeningen AD, Dolatabadi S, Moreno LF, Casaregola S, Mallet S, Jacques N, Roscini L, Egidi E, Bizet C, Garcia-Hermoso D, Martín MP, Deng S, Groenewald JZ, Boekhout T, De Beer ZW, Barnes I, Duong TA, Wingfield MJ, De Hoog GS, Crous PW, Lewis CT, Hambleton S, Moussa TAA, Al-Zahrani HS, Almaghrabi OA, Louis-Seize G, Assabgui R, McCormick W, Omer G, Dukik K, Cardinali G, Eberhardt U, De Vries M, Robert V. (2015) One fungus, which genes? Development and assessment of universal primers for potential secondary fungal DNA barcodes. Persoonia 35:242-263.
10.3767/003158515X689135 |
Crous PW, Wingfield MJ, Guarro J, Hernandez-Restrepo M, Sutton DA, Acharya K, Barber PA, Boekhout T, Dimitrov RA, Duenas M, Dutta AK, Gene J, Gouliamova DE, Groenewald M, Lombard L, Morozova OV, Sarkar J, Smith MTh, Stchigel AM, Wiederhold NP, Alexandrova AV, Antelmi I, Armengol J, Barnes I, Cano-Lira JF, Castaneda Ruiz RF, Contu M, Courtecuisse PrR, Da Silveira AL, Decock CA, De Goes A, Edathodu J, Ercole E, Firmino AC, Fourie A, Fournier J, Furtado EL, Geering ADW, Gershenzon J, Giraldo A, Gramaje D, Hammerbacher A, He X-L, Haryadi D, Khemmuk W, Kovalenko AE, Krawczynski R, Laich F, Lechat C, Lopes UP, Madrid H, Malysheva EF, Marin-Felix Y, Martin MP, Mostert L, Nigro F, Pereira OL, Picillo B, Pinho DB, Popov ES, Rodas Pelaez CA, Rooney-Latham S, Sandoval-Denis M, Shivas RG, Silva V, Stoilova-Disheva MM, Telleria MT, Ullah C, Unsicker SB, Van der Merwe NA, Vizzini A, Wagner H-G, Wong PTW, Wood AR, Groenewald JZ. (2015) Fungal Planet description sheets: 320–370. Persoonia 34:167-266.
10.3767/003158515X688433 |
Mullett MS, Brown AV, Barnes I. (2015) Population structure and reproductive mode of Dothistroma septosporum in the Brittany peninsula of France. European Journal of Plant Pathology 143(2):261-275.
10.1007/s10658-015-0678-8 |
Liu FF, Mbenoun M, Barnes I, Roux J, Wingfield MJ, Li GQ, Li JQ, Chen SF. (2015) New Ceratocystis species from Eucalyptus and Cunninghamia in South China. Antonie van Leeuwenhoek 107(6):1451–1473.
10.1007/s10482-015-0441-3 ![]() |
Fourie A, Wingfield MJ, Wingfield BD, Barnes I. (2015) Molecular markers delimit cryptic species in Ceratocystis sensu stricto. Mycological Progress 14(1):1-18.
10.1007/s11557-014-1020-0 ![]() |
De Beer ZW, Duong TA, Barnes I, Wingfield BD, Wingfield MJ. (2014) Redefining Ceratocystis and allied genera. Studies in Mycology 79:187-219.
10.1016/j.simyco.2014.10.001 ![]() |
Barnes I, Walla JA, Bergdahl A, Wingfield MJ. (2014) Four new host records and first report of Dothistroma needle blight caused by Dothistroma pini in North and South Dakota, and in Indiana in the USA. Plant Disease 98(10):1443.
10.1094/PDIS-06-14-0606-PDN ![]() |
Barnes I, Wingfield MJ, Carbone I, Kirisits T, Wingfield BD. (2014) Population structure and diversity of an invasive pine needle pathogen reflects anthropogenic activity. Ecology and Evolution 4(18):3642-3661.
10.1002/ece3.1200 ![]() |
Haasbroek MP, Craven M, Barnes I, Crampton BG. (2014) Microsatellite and mating type primers for the maize and sorghum pathogen, Exserohilum turcicum. Australasian Plant Pathology 43(5):577-581.
10.1007/s13313-014-0289-4 ![]() |
Al Adawi AO, Barnes I, Khan IA, Deadman ML, Wingfield BD, Wingfield MJ. (2014) Clonal structure of Ceratocystis manginecans populations from mango wilt disease in Oman and Pakistan. Australasian Plant Pathology 43(4):393-402.
10.1007/s13313-014-0280-0 ![]() |
Janoušek J, Krumböck S, Kirisits T, Bradshaw RE, Barnes I, Jankovský L, Stauffer C. (2014) Development of microsatellite and mating type markers for the pine needle pathogen Lecanosticta acicola. Australasian Plant Pathology 43:161-165.
10.1007/s13313-013-0256-5 ![]() |
Al Adawi AO, Al Jabri RM, Deadman ML, Barnes I, Wingfield B, Wingfield MJ. (2013) The mango sudden decline pathogen, Ceratocystis manginecans, is vectored by Hypocryphalus mangiferae (Coleoptera: Scolytinae) in Oman. European Journal of Plant Pathology 135:243-251.
10.1007/s10658-012-0081-7 ![]() |
Tsopelas P, Barnes I, Soulioti N, Wingfield MJ. (2013) Dothistroma septosporum identified in Greece on Pinus brutia and Pinus nigra plantations. Plant Disease 97:1247.
10.1094/PDIS-11-12-1107-PDN ![]() |
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Barnes I, Kirisits T, Wingfield MJ, Wingfield BD. (2011) Needle blight of pine caused by two species of Dothistroma in Hungary. Forest Pathology 41(5):361-369.
10.1111/j.1439-0329.2010.00689.x ![]() |
Chen SF, Barnes I, Chungu D, Roux J, Wingfield MJ, Xie YJ, Zhou XD. (2011) High population diversity and increasing importance of the Eucalyptus stem canker pathogen, Teratosphaeria zuluensis, in South China. Australasian Plant Pathology 40(4):407-415.
10.1007/s13313-011-0051-0 ![]() |
Cortinas MN, Barnes I, Wingfield BD, Wingfield MJ. (2011) Unexpected genetic diversity revealed in the Eucalyptus canker pathogen Teratosphaeria gauchensis. Australasian Plant Pathology 40(5):497-503.
10.1007/s13313-011-0057-7 ![]() |
Cortinas MN, Barnes I, Wingfield MJ, Wingfield BD. (2010) Genetic diversity in the Eucalyptus stem pathogen Teratosphaeria zuluensis. Australasian Plant Pathology 39(5):383-393.
10.1071/AP10010 ![]() |
Grobbelaar JW, Barnes I, Cortinas MN, Bloomer P, Wingfield MJ, Wingfield BD. (2009) Development and characterization of polymorphic markers for the sap-stain fungus Ophiostoma quercus. Molecular Ecology Resources 9(1):399-401.
10.1111/j.1755-0998.2008.02239.x ![]() |
Nkuekam GK, Barnes I, Wingfield MJ, Roux J. (2009) Distribution and population diversity of Ceratocystis pirilliformis in South Africa. Mycologia 101(1):17-25.
10.3852/07-171 ![]() |
Barnes I, Kirisits T, Akulov A, Chhetri DB, Wingfield BD, Bulgakov TS, Wingfield MJ. (2008) New host and country records of the Dothistroma needle blight pathogens from Europe and Asia. Forest Pathology 38(3):178-195.
10.1111/j.1439-0329.2007.00536.x ![]() |
Barnes I, Cortinas MN, Wingfield MJ, Wingfield BD. (2008) Microsatellite markers for the red band needle blight pathogen, Dothistroma septosporum. Molecular Ecology Resources 8(5):1026-1029.
10.1111/j.1755-0998.2008.02142.x ![]() |
Groenewald M, Barnes I, Bradshaw RE, Brown AV, Dale A, Groenewald JZ, Lewis KJ, Wingfield BD, Wingfield MJ, Crous PW. (2007) Characterization and distribution of mating type genes in the Dothistroma needle blight pathogens. Phytopathology 97(7):825-834.
10.1094/PHYTO-97-7-0825 ![]() |
Tsopelas P, Barnes I, Wingfield MJ, Xenopoulos S. (2007) Seiridium cardinale on Juniperus species in Greece. Forest Pathology 37(5):338-347.
10.1111/j.1439-0329.2007.00510.x ![]() |
Cortinas MN, Barnes I, Wingfield BD, Wingfield MJ. (2006) Polymorphic microsatellite markers for the Eucalyptus fungal pathogen Colletogloeopsis zuluensis. Molecular Ecology Notes 6(3):780-783.
10.1111/j.1471-8286.2006.01342.x ![]() |
Van Wyk M, Roux J, Barnes I, Wingfield BD, Wingfield MJ. (2006) Molecular phylogeny of the Ceratocystis moniliformis complex and description of C. tribiliformis sp. nov. Fungal Diversity 21:181-201.
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Barnes I, Nakabonge G, Roux J, Wingfield BD, Wingfield MJ. (2005) Comparison of populations of the wilt pathogen Ceratocystis albifundus in South Africa and Uganda. Plant Pathology 54(2):189-195.
10.1111/j.1365-3059.2005.01144.x ![]() |
Barnes I, Crous PW, Wingfield BD, Wingfield MJ. (2004) Multigene phylogenies reveal that red band needle blight of Pinus is caused by two distinct species of Dothistroma, D. septosporum and D. pini. Studies in Mycology 50:551-565.
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Krokene P, Barnes I, Wingfield BD, Wingfield MJ. (2004) A PCR-RFLP based diagnostic technique to rapidly identify Seiridium species causing cypress canker. Mycologia 96(6):1352-1354.
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Van Wyk M, Roux J, Barnes I, Wingfield BD, Chhetri DB, Kirisits T, Wingfield MJ. (2004) Ceratocystis bhutanensis sp. nov., associated with the bark beetle Ips schmutzenhoferi on Picea spinulosa in Bhutan. Studies in Mycology 50:365-379.
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Van Wyk M, Roux J, Barnes I, Wingfield BD, Liew ECY, Assa B, Summerell BA, Wingfield MJ. (2004) Ceratocystis polychroma sp. nov., a new species from Syzygium aromaticum in Sulawesi. Studies in Mycology 50:273-282.
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Barnes I, Roux J, Wingfield BD, O'Neill M, Wingfield MJ. (2003) Ceratocystis fimbriata infecting Eucalyptus grandis in Uruguay. Australasian Plant Pathology 32(3):361-366.
10.1071/AP03032 ![]() |
Barnes I, Roux J, Wingfield BD, Dudzinski MJ, Old KM, Wingfield MJ. (2003) Ceratocystis pirilliformis, a new species from Eucalyptus nitens in Australia. Mycologia 95(5):865-871.
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Barnes I, Gaur A, Burgess T, Roux J, Wingfield BD, Wingfield MJ. (2001) Microsatellite markers reflect intra-specific relationships between isolates of the vascular wilt pathogen Ceratocystis fimbriata. Molecular Plant Pathology 2:319-325.
10.1046/j.1464-6722.2001.00080.x ![]() |
Barnes I, Roux J, Wingfield MJ, Coetzee MPA, Wingfield BD. (2001) Characterization of Seiridium spp. associated with cypress canker based on β-tubulin and histone sequences. Plant Disease 85(3):317-321.
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