Capador-Barreto, Hernán Dario and Bernhardsson, Carolina and Milesi, Pascal and Vos, Ingrid and Lundén, Karl and Wu, Harry and Karlsson, Bo and Ingvarsson, Pär and Stenlid, Jan and Elfstrand, Malin
(2021).
Killing two enemies with one stone? Genomics of resistance to two sympatric pathogens in Norway spruce.
Molecular Ecology. 30
, 4433-4447
[Research article]
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Abstract
Trees must cope with the attack of multiple pathogens, often simultaneously during their long lifespan. Ironically, the genetic and molecular mechanisms controlling this process are poorly understood. The objective of this study was to compare the genetic component of resistance in Norway spruce to Heterobasidion annosum s.s. and its sympatric congener Heterobasidion parviporum. Heterobasidion root- and stem-rot is a major disease of Norway spruce caused by members of the Heterobasidion annosum species complex. Resistance to both pathogens was measured using artificial inoculations in half-sib families of Norway spruce trees originating from central to northern Europe. The genetic component of resistance was analysed using 63,760 genome-wide exome-capture sequenced SNPs and multitrait genome-wide associations. No correlation was found for resistance to the two pathogens; however, associations were found between genomic variants and resistance traits with synergic or antagonist pleiotropic effects to both pathogens. Additionally, a latitudinal cline in resistance in the bark to H. annosum s.s. was found; trees from southern latitudes, with a later bud-set and thicker stem diameter, allowed longer lesions, but this was not the case for H. parviporum. In summary, this study detects genomic variants with pleiotropic effects which explain multiple disease resistance from a genic level and could be useful for selection of resistant trees to both pathogens. Furthermore, it highlights the need for additional research to understand the evolution of resistance traits to multiple pathogens in trees.
Authors/Creators: | Capador-Barreto, Hernán Dario and Bernhardsson, Carolina and Milesi, Pascal and Vos, Ingrid and Lundén, Karl and Wu, Harry and Karlsson, Bo and Ingvarsson, Pär and Stenlid, Jan and Elfstrand, Malin | ||||||
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Title: | Killing two enemies with one stone? Genomics of resistance to two sympatric pathogens in Norway spruce | ||||||
Series Name/Journal: | Molecular Ecology | ||||||
Year of publishing : | 2021 | ||||||
Volume: | 30 | ||||||
Page range: | 4433-4447 | ||||||
Number of Pages: | 15 | ||||||
Publisher: | WILEY | ||||||
ISSN: | 0962-1083 | ||||||
Language: | English | ||||||
Publication Type: | Research article | ||||||
Article category: | Scientific peer reviewed | ||||||
Version: | Published version | ||||||
Copyright: | Creative Commons: Attribution 4.0 | ||||||
Full Text Status: | Public | ||||||
Subjects: | (A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science | ||||||
Keywords: | cline, disease resistance, genome-wide association study, Picea abies, pleiotropy, root-rot | ||||||
URN:NBN: | urn:nbn:se:slu:epsilon-p-113929 | ||||||
Permanent URL: | http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-113929 | ||||||
Additional ID: |
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ID Code: | 25652 | ||||||
Faculty: | S - Faculty of Forest Sciences NJ - Fakulteten för naturresurser och jordbruksvetenskap | ||||||
Department: | (NL, NJ) > Dept. of Forest Mycology and Plant Pathology (S) > Dept. of Forest Mycology and Plant Pathology (NL, NJ) > Dept. of Plant Biology and Forest Genetics (until 131231) (S) > Dept. of Forest Genetics and Plant Physiology | ||||||
Deposited By: | SLUpub Connector | ||||||
Deposited On: | 12 Oct 2021 17:25 | ||||||
Metadata Last Modified: | 13 Oct 2021 05:01 |
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