Trifolium species associate with a similar richness of soil-borne mutualists in their introduced and native ranges

Kevin Mcginn, Van Putten, Richard DUNCAN, Natasha Shelby, Carolin Weser, P. E. Hulme

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    Aim: While plant species introduced to new regions may benefit from escaping natural enemies, their success may be impaired by losing key mutualists. We aimed to elucidate whether a selection of annual and perennial Trifolium (clover) species have lost associations with nitrogen-fixing bacteria (rhizobia) and arbuscular mycorrhizal fungi (AMF) in their introduced range. Location: Introduced range in New Zealand (NZ) and native range in the United Kingdom (UK). Methods: We compared the strain richness of rhizobia associated with five Trifolium species in both ranges using genetic fingerprinting (rep-PCR with ERIC primers). Phylogenetic analysis of the nodD gene was conducted to test for between-range differences in rhizobia genotypes associated with seven Trifolium species. We also used TRFLP to compare the richness of AMF associated with three Trifolium species in both ranges. Results: Genetic fingerprinting indicated that Trifolium associate with a similar richness of rhizobia strains in NZ as they do in the UK. According to variation in the nodD gene, genotypes of rhizobia were indistinguishable between NZ and UK provenances. A total of 17 AMF operational taxonomic units were detected but there were no significant between-range differences in richness or in community structure. Main conclusions: Contrary to general expectations regarding the loss of mutualists following species introduction, our findings suggest that alien plants, including those accidentally introduced, can have access to rich communities of soil-borne mutualists that are likely to facilitate successful naturalization.
    Original languageEnglish
    Pages (from-to)944-954
    Number of pages11
    JournalJournal of Biogeography
    Volume43
    Issue number5
    DOIs
    Publication statusPublished - 2016

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    Trifolium
    rhizobacterium
    Rhizobium
    mycorrhizal fungi
    United Kingdom
    fungus
    soil
    DNA fingerprinting
    genotype
    naturalization
    nitrogen-fixing bacteria
    gene
    introduced plants
    natural enemy
    natural enemies
    provenance
    community structure
    genes
    phylogenetics
    bacterium

    Cite this

    Mcginn, Kevin ; Putten, Van ; DUNCAN, Richard ; Shelby, Natasha ; Weser, Carolin ; Hulme, P. E. / Trifolium species associate with a similar richness of soil-borne mutualists in their introduced and native ranges. In: Journal of Biogeography. 2016 ; Vol. 43, No. 5. pp. 944-954.
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    abstract = "Aim: While plant species introduced to new regions may benefit from escaping natural enemies, their success may be impaired by losing key mutualists. We aimed to elucidate whether a selection of annual and perennial Trifolium (clover) species have lost associations with nitrogen-fixing bacteria (rhizobia) and arbuscular mycorrhizal fungi (AMF) in their introduced range. Location: Introduced range in New Zealand (NZ) and native range in the United Kingdom (UK). Methods: We compared the strain richness of rhizobia associated with five Trifolium species in both ranges using genetic fingerprinting (rep-PCR with ERIC primers). Phylogenetic analysis of the nodD gene was conducted to test for between-range differences in rhizobia genotypes associated with seven Trifolium species. We also used TRFLP to compare the richness of AMF associated with three Trifolium species in both ranges. Results: Genetic fingerprinting indicated that Trifolium associate with a similar richness of rhizobia strains in NZ as they do in the UK. According to variation in the nodD gene, genotypes of rhizobia were indistinguishable between NZ and UK provenances. A total of 17 AMF operational taxonomic units were detected but there were no significant between-range differences in richness or in community structure. Main conclusions: Contrary to general expectations regarding the loss of mutualists following species introduction, our findings suggest that alien plants, including those accidentally introduced, can have access to rich communities of soil-borne mutualists that are likely to facilitate successful naturalization.",
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    Trifolium species associate with a similar richness of soil-borne mutualists in their introduced and native ranges. / Mcginn, Kevin; Putten, Van; DUNCAN, Richard; Shelby, Natasha; Weser, Carolin; Hulme, P. E.

    In: Journal of Biogeography, Vol. 43, No. 5, 2016, p. 944-954.

    Research output: Contribution to journalArticle

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    T1 - Trifolium species associate with a similar richness of soil-borne mutualists in their introduced and native ranges

    AU - Mcginn, Kevin

    AU - Putten, Van

    AU - DUNCAN, Richard

    AU - Shelby, Natasha

    AU - Weser, Carolin

    AU - Hulme, P. E.

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    N2 - Aim: While plant species introduced to new regions may benefit from escaping natural enemies, their success may be impaired by losing key mutualists. We aimed to elucidate whether a selection of annual and perennial Trifolium (clover) species have lost associations with nitrogen-fixing bacteria (rhizobia) and arbuscular mycorrhizal fungi (AMF) in their introduced range. Location: Introduced range in New Zealand (NZ) and native range in the United Kingdom (UK). Methods: We compared the strain richness of rhizobia associated with five Trifolium species in both ranges using genetic fingerprinting (rep-PCR with ERIC primers). Phylogenetic analysis of the nodD gene was conducted to test for between-range differences in rhizobia genotypes associated with seven Trifolium species. We also used TRFLP to compare the richness of AMF associated with three Trifolium species in both ranges. Results: Genetic fingerprinting indicated that Trifolium associate with a similar richness of rhizobia strains in NZ as they do in the UK. According to variation in the nodD gene, genotypes of rhizobia were indistinguishable between NZ and UK provenances. A total of 17 AMF operational taxonomic units were detected but there were no significant between-range differences in richness or in community structure. Main conclusions: Contrary to general expectations regarding the loss of mutualists following species introduction, our findings suggest that alien plants, including those accidentally introduced, can have access to rich communities of soil-borne mutualists that are likely to facilitate successful naturalization.

    AB - Aim: While plant species introduced to new regions may benefit from escaping natural enemies, their success may be impaired by losing key mutualists. We aimed to elucidate whether a selection of annual and perennial Trifolium (clover) species have lost associations with nitrogen-fixing bacteria (rhizobia) and arbuscular mycorrhizal fungi (AMF) in their introduced range. Location: Introduced range in New Zealand (NZ) and native range in the United Kingdom (UK). Methods: We compared the strain richness of rhizobia associated with five Trifolium species in both ranges using genetic fingerprinting (rep-PCR with ERIC primers). Phylogenetic analysis of the nodD gene was conducted to test for between-range differences in rhizobia genotypes associated with seven Trifolium species. We also used TRFLP to compare the richness of AMF associated with three Trifolium species in both ranges. Results: Genetic fingerprinting indicated that Trifolium associate with a similar richness of rhizobia strains in NZ as they do in the UK. According to variation in the nodD gene, genotypes of rhizobia were indistinguishable between NZ and UK provenances. A total of 17 AMF operational taxonomic units were detected but there were no significant between-range differences in richness or in community structure. Main conclusions: Contrary to general expectations regarding the loss of mutualists following species introduction, our findings suggest that alien plants, including those accidentally introduced, can have access to rich communities of soil-borne mutualists that are likely to facilitate successful naturalization.

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