ProgrammeThe symposium will have a mix of social events, five scientific sessions and a field trip. The symposium will open on the Sunday evening (25 March) and close late on Wednesday afternoon (28 March). Full Programme
PostersPoster Session 1Role of endophytic fungi in grass litter decomposition…. Takashi Osono, KyotoUniversity, Kyoto, Japan The endophytic community of Dactylis glomerata …Salud Sánchez Márquez, Gerald F. Bills, Íñigo Zabalgogeazcoa, Instituto de Recursos Naturales y Agrobiologia,Salamanca, Spain Influence of toxic endophyte-infected tall fescue on the prevalence of E. coli O157:H7 from ruminants, a review….M.L. Looper, T.S. Edrington, T.R. Callaway, R. Flores, G.E. Aiken, J.M. Burke and C. F. Rosenkrans Jr, USDA-ARS, Booneville, USA Botanophila flies on Epichloë host species in Europe and North America: no evidence for coevolution….Adrian Leuchtmann, ETH Zürich,Switzerland The distribution and incidence of Neotyphodium endophytes in native grasses from Argentina and their association with environmental factors…..D. Cabral, L.J. Iannone, A. Stewart and M.V. Novas, Universidad de Buenos Aires, Buenos Aires, Argentina. Distribution of Neotyphodium endophytes in naturalised ryegrasses (Lolium spp) in Japan….M. Yamshita, K. Uchiyama, T. Matsuda, H. Tobina, H. Sawada, K. Sugawara, ShizuokaUniversity, Shizuoka, Japan Neotyphodium spp.–grass association in natural grassland in Argentina…. M.N. Colabelli, M.S. Torres, A.M. Clausen, O.N. Fernandez and A. Peretti, Universidad Nacional de Mar del Plata, Balcarce, Argentina Were endophytes pre-adapted for defensive mutualism? ... M.S. Torres, A.P. Singh, N. Vorsa, T. Glanfagna and J.F.White Jr., Rutgers University, New Jersey, USA Incidence and diversity of Neotyphodium endophytes in Bulgarian populations of Lolium perenne …. H.Hahn, K. Andreeva and E. Willner, Martin-Luther-University Halle-Wittenberg, Germany, University of Kentucky, USA and IPK, Germany Neotyphodium impacts on soil nematode communities: rhizosphere and litter-mediated interactions…. M. Omacini, E.J. Chaneton and C.M. Ghersa, Universidad de Buenos Aires, Argentina Disease and pest resistance in endophyte infected and non-infected drunken horse grass….Chunjie Li, Xingxu Zhang, Fei Li, Zhibiao Nan and Christopher Schardl, LanzhouUniversity, Lanzhou, China and University of Kentucky, USA Occurrence and genetic structure of Epichloë festucae endophytes in wild red fescue populations and their seed progenies…. K. Saikkonen, P. Wali and M. Helander, MTT Agrifood Research Finland, Finland Endophytic fungi from Catharanthus roseus (L.) G. Don: A preliminary study… R.N. Kharwar, BanarasHinduUniversity, Varanasi, India Occurrence of Neotyphodium endophytes of perennial ryegrass (Lolium perenne) and fescue grass (Festuca spp.), and characterisation of selected isolates with respect to toxin production, drought and insect resistance….Prathap Kumar Halady Shetty, Anne Mette Dahl Jensen, Niels Roulund and Birte Boelt, Danish Institute of Agricultural Sciences, Denmark Poster Session 2Systems level modelling of metabolism in Neotyphodium lolii endophyte- implications for symbiosis with ryegrass…. Rajiv Chaturvedi, Tanya Soboleva, Anthony J. Parsons and Susanne Rasmussen, AgResearch, New Zealand Differential expression of loline alkaloids in perennial ryegrass infected with endophyte isolated from tall fescue…. H.S. Easton, T.B. Lyons, W. Mace, W.R. Simpson, A. de Bonth, B.M. Cooper, K. Pankhurst AgResearch, New Zealand Degradation of endophyte alkaloids in field-dried cut ryegrass herbage…. D.E. Hume, M.J. Hickey, B.A. Tapper and L.R. Fletcher, AgResearch, New Zealand Structure elucidation of 10,11-epoxyjanthitrem B and isolation of janthitrem B from Penicillium janthinellum cultures…. J.V. Babu, A.L. Wilkins, C.O. Miles and S.C. Finch, AgResearch, Hamilton, New Zealand Conspicuous epiphytic growth of a Neotyphodium endophyte on perennial ryegrass inflorescences…. M.J. Christensen and Keith Salisbury, AgResearch and PGG Wrightson, New Zealand Biosynthesis of an extracellular siderophore is essential for maintenance of mutualistic endophyte-grass symbioses…..L. J. Johnson, M. Steringa, A. Koulman, M. Christensen, R. D. Johnson, C. R. Voisey, G. Bryan, I. Lamont and S. Rasmussen, AgResearch, Palmerston North, New Zealand The analysis of fungal alkaloids in plant fluids…. Albert Koulman, Marit van Gils, Geoffrey A. Lane, Mike J. Christensen, Karl Fraser and Brian A. Tapper, AgResearch, Palmerston North, New Zealand Ménage à trois– are two fungi too much for ryegrass?…Qianhe Liu, Anthony J. Parsons, Hong Xue, Heike Harze, and Susanne Rasmussen, AgResearch Ltd., Palmerston North, New Zealand Endophyte production of reactive oxygen species is critical for maintaining the mutualistic symbiotic interaction between Epichloë festucae and Pooid grasses…. A. Tanaka, M.J. Christensen, D. Takemoto and B. Scott, Massey University, Palmerston Nth, New Zealand Metabolic profiling of endophyte-infected and endophyte-free ryegrass grown under sufficient water supply and drought….H. Hahn, O. Fiehn, M.A. McManus and D.B. Scott, Martin-Luther-University Halle-Wittenberg, Germany, UC Davis Genome Center, USA and Massey University, Palmerston Nth. Isolation of symbiotic mutants of Epichloë festucae using Agrobacterium mediated T-DNA mutagenesis….A. Tanaka, D. Takemoto, R. Wrenn and B. Scott, Massey University, Palmerston Nth, New Zealand Discovery of small molecule bioactive agents from endophytic fungi of the Sonoran Desert….B.P. Bashya, A.M. Burns, M. X. Liu, P.A. Paranagama, C.R J. Seliga, T.J. Turbyville, E.M. Kithsiri Wijeratne, J. Zhan, M.K. Gunatilaka, A.E. Arnold, S.H. Faeth, L. Whitesell, and A.A.L. Gunatilaka, University of Arizona, Tempe, Arizona USA Neotyphodium hybrid identity determines alkaloid production, herbivory, and plant biomass production in two native grasses….Cyd Hamilton, Stan Faeth, Andrea Jani, Cinnamon Hayes, Arizona State University, USA Endophyte survival without sex….B.R. Holland, C.L. Schardl and J. Schmid, Massey University, Palmerston Nth, New Zealand and University of Kentucky, USA Dehydrin expression in drought-stressed tall fescue….C. A. Guerber, C. P. West, R. D. Carson, A.M. Havely, University of Arkansas, Fayetteville, AR USA Neotyphodium lolii induces a limited host defence response by Lolium perenne….Ningxin Zhang, Mark Raftery, Kim Richardson, Michael J. Christensen and Jan Schmid, Massey University and AgResearch, Palmerston Nth, New Zealand Neotyphodium interactions with a native grass are driven by endophyte haplotype….Laura J. Morse, Stanley H. Faeth and Thomas A. Day, ArizonaStateUniversity, Tempe, Arizona Spontaneous in planta changes in fungal endophytes impact symbiosis….Wayne Simpson, AgResearch Grasslands, Palmerston Nth, New Zealand Poster Session 3Introduction and acceptance of novel endophyte tall fescue in the USA….D.M. Ball, G.D. Lacefield, C.S. Agee, and C.S. Hoveland, Auburn University, USA The effect of the Max P endophyte in tall fescue on pasture production and composition, and sheep grazing preference, in a dryland environment….K.N. Tozer, S. Ates, N.R. Mapp, M.C. Smith, R.J. Lucas and G.R. Edwards, Lincoln University, Canterbury, New Zealand Germination rate and seedling vigour of tall fescue as affected by endophyte status and seed density….H. Troye Owens, C.H. Finneseth, T. M. Tillery and T.D. Phillips, University of Kentucky, USA A new generation ryegrass endophyte – the first results from dairy cows fed AR37… E.R. Thom, C.D. Waugh, E.M.K. Minnee and G.C. Waghorn, Dexcel Ltd, Hamilton, New Zealand Advantages of endophyte infection for irrigated pastures of semiarid, cold-desert environments…Blair L. Waldron, USDA-ARS, Logan, Utah, USA A new tall fescue – novel endophyte combination for the south central USA. A.A. Hopkins and J. H. Bouton, The Samuel Roberts Noble Foundation, Ardmore, USA Improving sustainability and quality of ryegrass production in Wairarapa, New Zealand…. M.R. McNeill, D.E. Hume, R. Ashby, M. Ashby, P. Brandon, P. Guscott, B. Tosswill and R. Barton, AgResearch, New Zealand Differing agronomic responses of Italian/hybrid ryegrasses to infection with Neotyphodium loli….B. M. Cooper, D. E. Hume, K. A. Panckhurst and, A. J. Popay, AgResearch, New Zealand Comparison of ergovaline determinations between the laboratories in the United States and Japan…..A. Morrie Craig, G. Rottinghaus, K. Walker and E. Ishikuro, Oregon State University, Corvallis, OR USA Animal performance, carcass quality and economics of cattle finished after grazing endophyte-infected, endophyte-free or nonergot alkaloid-producing endophyte-infected tall fescue…..S. K. Duckett, R.C. Lacy, J.G. Andrae, C.S. Hoveland, J.H. Bouton and M. A. McCann, Clemson University, Clemson, USA Endophyte fungus levels in perennial ryegrass and tall fescue varieties grown for seed in Oregon, USA – Implications for responsible grass straw use as livestock feed. W.C. Young III, M.E. Mellbye, T.B. Silberstein, G.A. Gingrich, A.M. Craig and L.L. Blythe, Oregon State University, Corvallis, USA Endophyte survival during seed storage. Nicholas Hill, Agrinostics Ltd. Co., GA, USA Effects of Neotyphodium endophyte infection on seed viability and germination vigour in Lolium multiflorum under accelerated ageing conditions…. P.E. Gundel, J.B. Landesmann, M.A. Martinez-Ghersa and C.M. Ghersa, Universidad de Buenos Aires, Buenos Aires, Argentina AR1 Quality Assurance by ELISA….L.R. Briggs, J.M. Sprosen, B.A. Tapper and H.S. Easton, AgResearch, Hamilton, New Zealand Tiller survival after drought of 'Grasslands Flecha' tall fescue as influenced by endophyte…. C.P. West, F. Volaire, and F. Lelievre, University of Arkansas, Fayetteville, AR, USA Poster Session 4ACan aphids learn to cope with the presence of endophytic fungi in their food plants?.... S. A. Härri, J. Krauss and C.B, Müller, University of Zürich, Switzerland Variable performance of bird cherry-oat aphid on I – infected wild tall fescue from Tunisia….. Steve L. Clement, L.R. Elberson, B.L. Waldron, and S.S. Quisenberry, USDA- ARS, Washington State University, Pullman, WA USA Cereal leaf beetle: Is performance affected by grass endophytes?....Steve L. Clement, L.R. Elberson, T. Miller, M. Kynaston and T. Phillips, USDA, ARS, WashingtonStateUniversity, Pullman,WAUSA Endophytic fungi as indirect defense mechanism in grasses - mycotoxins enhance the UV-visibility of herbivore urine in the eyes of predators…..Susanna Saari, Otso Huitu, Marjo Helander, Päivi Lehtonen and Kari Saikkonen, Agricultural Research Centre of Finland, Finland Reductions in root aphid populations by three non-toxic endophyte strains in tall fescue. Joanne Jensen and Alison Popay, AgResearch, Hamilton, New Zealand Influence of genetic variation in fungal endophyte on the third trophic level….. J.L. Rodstrom, T. Bultman, J. VanDop, J. Librizzi, L. Longwell, and T. Sullivan. HopeCollege, Holland, MI, USA The effect of endophyte in perennial ryegrass and tall fescue on red and blackheaded cockchafers….B.M. Watson, Toora, Victoria, Australia Endophyte reduces mealybug infestation in tall fescue in Australia….A.J. Popay, D.E. Hume and K. Low, AgResearch, New Zealand Endophyte effects on consumption of seed and germinated seedlings of ryegrass and fescue by grass grub (Costelytra zealandica) larvae….A.J. Popay and B.A. Tapper, AgResearch, New Zealand Nematotoxic effects of endophyte-infected tall fescue toxins and extracts to an in vitro bioassay using the nematode Pratylenchus scribneri.A.A. Bacetty, M.E. Snook, A.E. Glenn, C.W. Bacon, C.L. Schardl and P. Nagabhyru, University of Kentucky, Lexington, USA Poster Session 4BInfluence of endophyte-infected fescue on serum concentrations of leptin in female ruminants…. J.M. Burke, D.H. Keisle and, R.W. Rorie, U.S. Department of Agriculture, Booneville, USA Toxicological evaluation of endophyte-infected perennial ryegrass straw to Japanese Black steers….S. Miyazaki, M. Hanazumi, T. Ikeda, Y. Fukumoto, T. Yamata, O. Mikami, N. Yamanaka, H. Murata and N. Shimada, NARO, Ibaraki, Japan Epidemiological studies with the mare and N. coenophialum toxins….F. F. Fannin, Danica Kubly, Yan Wang and Lowell Bush, University of Kentucky, Lexington, USA Endophyte toxin residues in animal tissue…. Sarah Finch, AgResearch, Hamilton, New Zealand Determination of the toxic threshold of lolitrem B in cattle eating endophyte-infected perennial ryegrass….. Linda Blythe, Charles Estill, James Males and A. Morrie Craig, OregonStateUniversity, Corvallis, OR, USA A review of the ergot alkaloids found in endophyte-infected tall fescue and perennial ryegrass and their metabolism after ingestion by livestock….. Jennifer M. Duringer, Marthah J.M. DeLorme, Andreas Lehner and A. Morrie Craig, Oregon State University, Corvallis, USA Discovery of novel microorganisms involved in ergot alkaloid detoxification: an approach….. S. Perumbakkam, R.M. Rattray, M.J.M. DeLorme, J.M. Duringer, and A.M. Craig, Oregon State University, Corvallis, USA Responses to orally ingested Neotyphodium endophyte toxins in laboratory animals…. Tatsushi Inoue, Miyagi University, Japan The influence of temperature variation upon vascular dynamics in cattle as measured by Doppler-image ultrasonography…..B.H. Kirch, G.E. Aiken, and D.E Spiers, USDA-ARS, Lexington, U.S.A Development of a feed-intake model for evaluation of toxins associated with endophyte-infected fescue…. P. A. Eichen, S. L. Raney, G. E. Rottinghaus and D. E. Spiers, University of Missouri, USA Development of a bovine model to evaluate administration routines for endophyte-infected tall fescue….L.E. Wax, G.E. Rottinghaus, and D.E. Spiers, University of Missouri, MI, USA Individual and combinatorial assessment of vasoconstrictive capacity of tall fescue alkaloids using fescue-naïve bovine lateral saphenous veins….J.L. Klotz, B.H. Kirch, G.E. Aiken, L.P. Bush, B.C. Arrington and J.R. Strickland, USDA-ARS, Lexington, USA Dynamics of peripheral bloodflow for endophyte-naïve cattle fed toxic tall fescue seed…. G.E. Aiken, B.H. Kirch, and J.R. Strickland, USDA-ARS, University of Kentucky, Lexington, USA Body weight gain and voluntary feed intake in meat goat does fed endophyte-infected and endophyte-free tall fescue seed….R. Browning, Jr., B. Donnelly, T. Payton, P. Pandya and M. Byars, TennesseeStateUniversity, Nashville, USA. Progress in breeding sheep for resistance to ryegrass staggers… C.A. Morris and N.C. Amyes, AgResearch, Hamilton, New Zealand Poster Session 5Analysis of genetic markers and ergovaline production in Neotyphodium endophyte-infected fescue species collected from Italy, Spain and Denmark….Anne Mette Dahl Jensen, Lisbeth Mikkelsen, Prathap Kumar Halady Shetty and Niels Roulund, Danish Institute of Agricultural Sciences, Denmark Joint analyses of transcriptomic and metabolomic data to probe the ryegrass-endophyte symbiosis….M. Cao, L. Johnson, R. Johnson, A. Koulman, G.A. Lane and S. Rasmussen, AgResearch Ltd., Palmerston North, New Zealand High throughput direct infusion ion trap mass spectrometry: a new method for the chemotyping of endophytes…Albert Koulman, AgResearch, Palmerston North, New Zealand Towards the elimination of ergot alkaloid biosynthesis genes in Neotyphodium coenophialum….S. Florea, C. Machado, D. Zhang, D.G. Panaccione and C.L. Schardl, University of Kentucky, Lexington, USA Spatial and temporal expression patterns of lolitrem biosynthetic genes in the Epichloë festucae-perennial ryegrass symbiosis….K.J. May, M.K. Bryant, X. Zhang, B. Ambrose and B. Scott, Massey University, Palmerston Nth, New Zealand Characterisation of fungal endophytes present in Elymus canadensis (Canada wild rye)…. Kirsti Burr, Shipra Mittal, Andy Hopkins and Carolyn Young, The Samuel Roberts Noble Foundation, US Peramine and indole-diterpene biosynthetic capability of epichloë endophytes as predicted by perA and ltm gene analysis ….. B. Scott, C.A. Young, B.A. Tapper, R.E. Wrenn, S.J. Foster, C.D. Moon, C.L. Schardl, Massey University, Palmerston Nth, New Zealand Identification of NRPS gene families from Neotyphodium/Epichloë endophytic fungi that form mutualistic associations with cool season grasses…. Richard Johnson, Christine Voisey, Jennifer Pratt, Linda Johnson and Gregory Bryan, AgResearch Grasslands, Palmerston Nth, New Zealand Analysis of expressed sequence tags derived from the endophytic fungus Neotyphodium lolii grown in vitro and in association with its host plant perennial ryegrass….Richard Johnson, Anar Khan, Christine Voisey, Shalome Bassett, Charlotte Gaborit, Linda Johnson, Mike Christensen, Alan McCulloch and Gregory Bryan, AgResearch Grasslands, Palmerston Nth, New Zealand Targeted introduction of point mutations in Epichloë festucae…. Kurtis Knapp, Richard Johnson, Christine Voisey and Gregory Bryan, AgResearch Grasslands, Palmerston Nth, New Zealand A gene identified from Neotyphodium lolii is expressed only in planta and regulates the biosynthesis of a putative oligopeptide secondary metabolite….Richard D Johnson, Sophie Borchert, Mike Christensen, Linda J Johnson, Albert Koulman, Marit J van Gils and Gregory Bryan, AgResearch Grasslands, Palmerston Nth, New Zealand Dual Affymetrix gene-chip analysis of the perennial ryegrass-endophyte symbiosis…..L.J. Johnson, C.R. Voisey, R.D. Johnson, A.K. Khan, Z.A. Park, M. Ramakrishna, M. Cao, D. Simon, M. Christensen, G.T. Bryan and S. Rasmussen, AgResearch Grasslands, Palmerston Nth, New Zealand The genome and the genes of Epichloe festucae…. Uljana Hesse, Bruce A. Roe, Jerzy W. Jaromczyk, Mark L. Farman, Kalina Andreeva, Love Gill, Paul Maynard, Venu-Gopal Puram and Christopher L. Schardl, University of Kentucky, Lexington, USA Endophytes of the tall fescue ploidy series in Europe, North Africa and the Mediterranean… C.L. Schardl, K.D. Craven, K.K. Schweri, W. Hollin, S.L. Clement, J. Schmid, C.P. West, and T.D. Phillips, University of Kentucky, USA Biosynthesis of insecticidal loline alkaloids by epichloë endophytes of grasses….Christopher L. Schardl, Robert B. Grossman, Jimmy D. Blankenship, Martin J. Spiering, and Jerome R. Faulkner, University of Kentucky, Lexington, USA Microsynteny between Neotyphodium lolii and Fusarium graminearum.... Charlotte Gaborit, Anar Khan, Jennifer Pratt, Richard Johnson, Linda Johnson and Gregory Bryan, AgResearch Grasslands, Palmerston Nth, New Zeland Heterologous synthesis of the fungal alkaloid peramine…. Steven D. Pirlo, Richard D. Johnson, Christine R. Voisey, Albert Koulman and Gregory T. Bryan, AgResearch Grasslands, Palmerston Nth, New Zealand Development of an Affymetrix dual genome (Neotyphodium lolii/Lolium perenne) symbiosis genechip…. C. R. Voisey, A. K. Khan, Z A. Park, L. J. Johnson, R. D. Johnson, M. Ramakrishna, M. Cao, S Bassett, C.N. Gaborit, A F McCulloch, D. Simon, S. Rasmussen, M. Christensen and G. T. Bryan, AgResearch Grasslands, Palmerston Nth, New Zealand Characterisation of a novel endophyte NRPS gene and its role in endophyte-grass symbioses… Heike Harzer, Richard Johnson, Susanne Rasmussen, Christine Voisey and Linda Johnson, AgResearch Grasslands, Palmerston Nth, New Zealand Double-stranded RNA viruses infecting Epichloë festucae….María Romoa, Adrian Leuchtmann, Balbino Garcíaa, Íñigo Zabalgogeazcoaa, Instituto de Recursos Naturales y Agrobiologia, CSIC, Salamanca, Spain |
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