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dc.contributor.authorWalters, S.J.
dc.contributor.authorRobinson, Todd
dc.contributor.authorByrne, M.
dc.contributor.authorWardell-Johnson, Grant
dc.contributor.authorNevill, Paul
dc.date.accessioned2022-01-24T07:31:53Z
dc.date.available2022-01-24T07:31:53Z
dc.date.issued2020
dc.identifier.citationWalters, S.J. and Robinson, T.P. and Byrne, M. and Wardell-Johnson, G.W. and Nevill, P. 2020. Contrasting patterns of local adaptation along climatic gradients between a sympatric parasitic and autotrophic tree species. Molecular Ecology. 29 (16): pp. 3022-3037.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/87447
dc.identifier.doi10.1111/mec.15537
dc.description.abstract

Sympatric tree species are subject to similar climatic drivers, posing a question as to whether they display comparable adaptive responses. However, no study has explicitly examined local adaptation of co-occurring parasitic and autotrophic plant species to the abiotic environment. Here we test the hypotheses that a generalist parasitic tree would display a weaker signal of selection and that genomic variation would associate with fewer climatic variables (particularly precipitation) but have similar spatial patterns to a sympatric autotrophic tree species. To test these hypotheses, we collected samples from 17 sites across the range of two tree species, the hemiparasite Nuytsia floribunda (n = 264) and sympatric autotroph Melaleuca rhaphiophylla (n = 272). We obtained 5,531 high-quality genome-wide single nucleotide polymorphisms (SNPs) for M. rhaphiophylla and 6,727 SNPs for N. floribunda using DArTseq genome scan technology. Population differentiation and environmental association approaches were used to identify signals of selection. Generalized dissimilarly modelling was used to detect climatic and spatial patterns of local adaptation across climatic gradients. Overall, 322 SNPs were identified as putatively adaptive for the autotroph, while only 57 SNPs were identified for the parasitic species. We found genomic variation to associate with different sets of bioclimatic variables for each species, with precipitation relatively less important for the parasite. Spatial patterns of predicted adaptive variability were different and indicate that co-occurring species with disparate life history traits may not respond equally to selective pressures (i.e., temperature and precipitation). Together, these findings provide insight into local adaptation of sympatric parasitic and autotrophic tree species to abiotic environments.

dc.languageEnglish
dc.publisherWILEY
dc.relation.sponsoredbyhttp://purl.org/au-research/grants/arc/IC150100041
dc.subjectScience & Technology
dc.subjectLife Sciences & Biomedicine
dc.subjectBiochemistry & Molecular Biology
dc.subjectEcology
dc.subjectEvolutionary Biology
dc.subjectEnvironmental Sciences & Ecology
dc.subjectcomparative genomics
dc.subjectgeneralist parasite
dc.subjectgenome scans
dc.subjectgenotype-environment association
dc.subjectlandscape genomics
dc.subjectparasitic species
dc.subjectGENOME SCANS
dc.subjectR-PACKAGE
dc.subjectSPATIAL PATTERN
dc.subjectPRACTICAL GUIDE
dc.subjectLANDSCAPE
dc.subjectSELECTION
dc.subjectBIODIVERSITY
dc.subjectMULTIVARIATE
dc.subjectASSOCIATION
dc.subjectRESTORATION
dc.titleContrasting patterns of local adaptation along climatic gradients between a sympatric parasitic and autotrophic tree species
dc.typeJournal Article
dcterms.source.volume29
dcterms.source.number16
dcterms.source.startPage3022
dcterms.source.endPage3037
dcterms.source.issn0962-1083
dcterms.source.titleMolecular Ecology
dc.date.updated2022-01-24T07:31:52Z
curtin.note

This is the peer reviewed version of the following article: Walters, SJ, Robinson, TP, Byrne, M, Wardell-Johnson, GW, Nevill, P. Contrasting patterns of local adaptation along climatic gradients between a sympatric parasitic and autotrophic tree species. Mol Ecol. 2020; 29: 3022– 3037, which has been published in final form at https://doi.org/10.1111/mec.15537. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.

curtin.departmentSchool of Earth and Planetary Sciences (EPS)
curtin.departmentSchool of Molecular and Life Sciences (MLS)
curtin.accessStatusOpen access
curtin.facultyFaculty of Science and Engineering
curtin.contributor.orcidRobinson, Todd [0000-0003-3314-3748]
curtin.contributor.orcidNevill, Paul [0000-0001-8238-0534]
curtin.contributor.researcheridRobinson, Todd [G-9400-2013]
curtin.contributor.researcheridWardell-Johnson, Grant [I-7097-2013]
dcterms.source.eissn1365-294X
curtin.contributor.scopusauthoridRobinson, Todd [8610563900]
curtin.contributor.scopusauthoridWardell-Johnson, Grant [6603805322]
curtin.contributor.scopusauthoridNevill, Paul [25630973000] [57218223043]


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