Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2015
Forfattere
Lise Haug Ellen Elverland Jarle W. Bjerke Marit Jørgensen Anne Linn Hykkerud Hilde HallandSammendrag
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Leaf blotch diseases in wheat can cause yield losses above 30 %. The necrotrophic fungus Parastagonospora nodorum is the dominating leaf blotch pathogen in Norwegian spring wheat. It has been well documented at the seedling stage that the pathogen produces necrotrophic effectors (NEs) which induces cell death in plants carrying susceptibility genes (Snn), allowing the necrotroph to enter. However, the role of these interactions under field conditions is less researched. In this study, we conducted field experiments with bi-parental and association mapping populations of spring wheat, to investigate the role of NE/Snn in adult plant resistance. The populations have been genotyped with the Illumina 90 K SNP chip, P. nodorum has high genetic diversity and both sexual and asexual reproduction, but the actual adaptation of the pathogen population to cultivars with different levels of resistance is not well studied. We are screening a collection of Norwegian isolates from known host sources to look for differences in NE-frequencies and haplotype distribution. The mapping populations are also inoculated and infiltrated with culture filtrates from single isolates on the seedling stage. Isolates involved in novel interactions will be deepsequenced in order to look for candidate effector genes. Potential effector proteins will be purified by LPC and HPLC to confirm their role in disease development.
Forfattere
Gerald Jurasinski Jutta Kapfer Kari Klanderud John-Arvid Grytnes Sylvia Haider Ingolf Kühn Aino Kulonen Signe Normand Harald Pauli Christian Rixen Manuel Steinbauer Pascal Vittoz Manuela Winkler Sonja WipfSammendrag
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Forfattere
Daniele Asioli Tormod Næs Arnstein Øvrum Valerie Lengard AlmliSammendrag
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Forfattere
Barry Goodell Jody Jellison Yuan Zhu Liangpeng Zhuang Vincent Eijsink Makoto Yoshida Gry Alfredsen Valdeir Arantes Sai Venkatesh Pingali Hugh Michael O’NeilSammendrag
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