Multi-gene region phylogenetic analyses suggest reticulate evolution and a clade of Australian origin among paleotropical woody bamboos (Poaceae: Bambusoideae: Bambuseae)

W Goh, S Chandran, Donald Franklin, Y Isagi, K Koshy, S Sungkaew, H Yang, N Xia, K Wong

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    The paleotropical woody bamboo subtribe Bambusinae has not been satisfactorily circumscribed and remains a major taxonomic problem. Genera such as Holttumochloa, Mullerochloa and Temburongia have not been confidently assigned to this subtribe. The phylogenetic relationships among genera hitherto placed in or near the Bambusinae, together with the related subtribes Racemobambosinae and Melocanninae, were investigated using three chloroplast DNA markers (rps16-trnQ, trnC-rpoB and trnD-T intergenic spacers) and a nuclear DNA marker (granule-bound starch synthase I, GBSSI) for a sample of 51 ingroup species and 2 outgroup species. Phylogenetic analyses revealed four distinct lineages among the members of the currently recognized Bambusinae: (1) the Bambusa-Dendrocalamus-Gigantochloa (BDG) complex, (2) the Holttumochloa-Kinabaluchloa clade, (3) the Dinochloa-Mullerochloa-Neololeba-Sphaerobambos (DMNS) clade and (4) Temburongia simplex. The BDG complex, which comprises the core of the Bambusinae, appears to have a complex evolutionary history as indicated by incongruence between the cpDNA and the nuclear gene topologies. Introgressive hybridization and incomplete lineage sorting are possible underlying causes for this complexity. The distinction of the climbing-scrambling bamboo lineages from the core Bambusinae and Racemobambosinae suggests directions for investigating the possible existence of further subtribes with increased taxon and geographical sampling. Possible biogeographic scenarios associated with the Holttumochloa-Kinabaluchloa clade and the DMNS clade are discussed.
    Original languageEnglish
    Pages (from-to)239-257
    Number of pages19
    JournalPlant Systematics and Evolution
    Volume299
    Issue number1
    DOIs
    Publication statusPublished - Jan 2013

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    Dinochloa
    Gigantochloa
    Dendrocalamus
    Bambusa
    bamboo
    bamboos
    chloroplast DNA
    Poaceae
    phylogenetics
    DNA
    starch synthase
    genetic markers
    gene
    phylogeny
    intergenic DNA
    chloroplast
    starch
    sorting
    nuclear genome
    topology

    Cite this

    Goh, W ; Chandran, S ; Franklin, Donald ; Isagi, Y ; Koshy, K ; Sungkaew, S ; Yang, H ; Xia, N ; Wong, K. / Multi-gene region phylogenetic analyses suggest reticulate evolution and a clade of Australian origin among paleotropical woody bamboos (Poaceae: Bambusoideae: Bambuseae). In: Plant Systematics and Evolution. 2013 ; Vol. 299, No. 1. pp. 239-257.
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    title = "Multi-gene region phylogenetic analyses suggest reticulate evolution and a clade of Australian origin among paleotropical woody bamboos (Poaceae: Bambusoideae: Bambuseae)",
    abstract = "The paleotropical woody bamboo subtribe Bambusinae has not been satisfactorily circumscribed and remains a major taxonomic problem. Genera such as Holttumochloa, Mullerochloa and Temburongia have not been confidently assigned to this subtribe. The phylogenetic relationships among genera hitherto placed in or near the Bambusinae, together with the related subtribes Racemobambosinae and Melocanninae, were investigated using three chloroplast DNA markers (rps16-trnQ, trnC-rpoB and trnD-T intergenic spacers) and a nuclear DNA marker (granule-bound starch synthase I, GBSSI) for a sample of 51 ingroup species and 2 outgroup species. Phylogenetic analyses revealed four distinct lineages among the members of the currently recognized Bambusinae: (1) the Bambusa-Dendrocalamus-Gigantochloa (BDG) complex, (2) the Holttumochloa-Kinabaluchloa clade, (3) the Dinochloa-Mullerochloa-Neololeba-Sphaerobambos (DMNS) clade and (4) Temburongia simplex. The BDG complex, which comprises the core of the Bambusinae, appears to have a complex evolutionary history as indicated by incongruence between the cpDNA and the nuclear gene topologies. Introgressive hybridization and incomplete lineage sorting are possible underlying causes for this complexity. The distinction of the climbing-scrambling bamboo lineages from the core Bambusinae and Racemobambosinae suggests directions for investigating the possible existence of further subtribes with increased taxon and geographical sampling. Possible biogeographic scenarios associated with the Holttumochloa-Kinabaluchloa clade and the DMNS clade are discussed.",
    keywords = "Bambusa, Bambuseae, Bambusoideae, Dendrocalamus, Dinochloa, Gigantochloa, Phyllostachys acuta, Poaceae, Temburongia, Temburongia simplex",
    author = "W Goh and S Chandran and Donald Franklin and Y Isagi and K Koshy and S Sungkaew and H Yang and N Xia and K Wong",
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    Multi-gene region phylogenetic analyses suggest reticulate evolution and a clade of Australian origin among paleotropical woody bamboos (Poaceae: Bambusoideae: Bambuseae). / Goh, W; Chandran, S; Franklin, Donald; Isagi, Y; Koshy, K; Sungkaew, S; Yang, H; Xia, N; Wong, K.

    In: Plant Systematics and Evolution, Vol. 299, No. 1, 01.2013, p. 239-257.

    Research output: Contribution to journalArticleResearchpeer-review

    TY - JOUR

    T1 - Multi-gene region phylogenetic analyses suggest reticulate evolution and a clade of Australian origin among paleotropical woody bamboos (Poaceae: Bambusoideae: Bambuseae)

    AU - Goh, W

    AU - Chandran, S

    AU - Franklin, Donald

    AU - Isagi, Y

    AU - Koshy, K

    AU - Sungkaew, S

    AU - Yang, H

    AU - Xia, N

    AU - Wong, K

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    N2 - The paleotropical woody bamboo subtribe Bambusinae has not been satisfactorily circumscribed and remains a major taxonomic problem. Genera such as Holttumochloa, Mullerochloa and Temburongia have not been confidently assigned to this subtribe. The phylogenetic relationships among genera hitherto placed in or near the Bambusinae, together with the related subtribes Racemobambosinae and Melocanninae, were investigated using three chloroplast DNA markers (rps16-trnQ, trnC-rpoB and trnD-T intergenic spacers) and a nuclear DNA marker (granule-bound starch synthase I, GBSSI) for a sample of 51 ingroup species and 2 outgroup species. Phylogenetic analyses revealed four distinct lineages among the members of the currently recognized Bambusinae: (1) the Bambusa-Dendrocalamus-Gigantochloa (BDG) complex, (2) the Holttumochloa-Kinabaluchloa clade, (3) the Dinochloa-Mullerochloa-Neololeba-Sphaerobambos (DMNS) clade and (4) Temburongia simplex. The BDG complex, which comprises the core of the Bambusinae, appears to have a complex evolutionary history as indicated by incongruence between the cpDNA and the nuclear gene topologies. Introgressive hybridization and incomplete lineage sorting are possible underlying causes for this complexity. The distinction of the climbing-scrambling bamboo lineages from the core Bambusinae and Racemobambosinae suggests directions for investigating the possible existence of further subtribes with increased taxon and geographical sampling. Possible biogeographic scenarios associated with the Holttumochloa-Kinabaluchloa clade and the DMNS clade are discussed.

    AB - The paleotropical woody bamboo subtribe Bambusinae has not been satisfactorily circumscribed and remains a major taxonomic problem. Genera such as Holttumochloa, Mullerochloa and Temburongia have not been confidently assigned to this subtribe. The phylogenetic relationships among genera hitherto placed in or near the Bambusinae, together with the related subtribes Racemobambosinae and Melocanninae, were investigated using three chloroplast DNA markers (rps16-trnQ, trnC-rpoB and trnD-T intergenic spacers) and a nuclear DNA marker (granule-bound starch synthase I, GBSSI) for a sample of 51 ingroup species and 2 outgroup species. Phylogenetic analyses revealed four distinct lineages among the members of the currently recognized Bambusinae: (1) the Bambusa-Dendrocalamus-Gigantochloa (BDG) complex, (2) the Holttumochloa-Kinabaluchloa clade, (3) the Dinochloa-Mullerochloa-Neololeba-Sphaerobambos (DMNS) clade and (4) Temburongia simplex. The BDG complex, which comprises the core of the Bambusinae, appears to have a complex evolutionary history as indicated by incongruence between the cpDNA and the nuclear gene topologies. Introgressive hybridization and incomplete lineage sorting are possible underlying causes for this complexity. The distinction of the climbing-scrambling bamboo lineages from the core Bambusinae and Racemobambosinae suggests directions for investigating the possible existence of further subtribes with increased taxon and geographical sampling. Possible biogeographic scenarios associated with the Holttumochloa-Kinabaluchloa clade and the DMNS clade are discussed.

    KW - Bambusa

    KW - Bambuseae

    KW - Bambusoideae

    KW - Dendrocalamus

    KW - Dinochloa

    KW - Gigantochloa

    KW - Phyllostachys acuta

    KW - Poaceae

    KW - Temburongia

    KW - Temburongia simplex

    U2 - 10.1007/s00606-012-0718-1

    DO - 10.1007/s00606-012-0718-1

    M3 - Article

    VL - 299

    SP - 239

    EP - 257

    JO - Plant Systematics and Evolution

    JF - Plant Systematics and Evolution

    SN - 0378-2697

    IS - 1

    ER -