The influence of tectonics, sea-level changes and dispersal on migration and diversification of Isonandreae (Sapotaceae)

James E. Richardson; Azrul M. Bakar; James Tosh; Kate Armstrong; Jenny Smedmark; Arne A. Anderberg; Ferry Slik; Peter Wilkie

doi:10.1111/boj.12108

The influence of tectonics, sea-level changes and dispersal on migration and diversification of Isonandreae (Sapotaceae)

James E. Richardson, Azrul M. Bakar, James Tosh, Kate Armstrong, Jenny Smedmark, Arne A. Anderberg, Ferry Slik, Peter Wilkie

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

Internal transcribed spacer (ITS) ribosomal DNA sequence data were generated for 80 of the c. 200 species of Isonandreae and were added to data from African and Neotropical representatives in subfamily Sapotoideae and outgroups in Sapotaceae. Bayesian dating and ancestral area reconstruction indicated that Isonandreae are derived from within an African grade. Multiple Australasian species or lineages are derived from Sundanian lineages in South-East Asia with stem ages originating from the late Oligocene. Sri Lankan and Indian lineages are also derived from Sundanian lineages. Our results are consistent with migration from Africa into Sundania followed by numerous over-water dispersal events across Wallace's Line into Australasia and migration from Sundania to the Indian subcontinent. Pleistocene speciation indicates that sea-level changes during that epoch could have been responsible for some species diversification in Sundania.

Original language	English (US)
Pages (from-to)	130-140
Number of pages	11
Journal	Botanical Journal of the Linnean Society
Volume	174
Issue number	1
DOIs	https://doi.org/10.1111/boj.12108
State	Published - Jan 2014
Externally published	Yes

All Science Journal Classification (ASJC) codes

Ecology, Evolution, Behavior and Systematics
Plant Science

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10.1111/boj.12108

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title = "The influence of tectonics, sea-level changes and dispersal on migration and diversification of Isonandreae (Sapotaceae)",

abstract = "Internal transcribed spacer (ITS) ribosomal DNA sequence data were generated for 80 of the c. 200 species of Isonandreae and were added to data from African and Neotropical representatives in subfamily Sapotoideae and outgroups in Sapotaceae. Bayesian dating and ancestral area reconstruction indicated that Isonandreae are derived from within an African grade. Multiple Australasian species or lineages are derived from Sundanian lineages in South-East Asia with stem ages originating from the late Oligocene. Sri Lankan and Indian lineages are also derived from Sundanian lineages. Our results are consistent with migration from Africa into Sundania followed by numerous over-water dispersal events across Wallace's Line into Australasia and migration from Sundania to the Indian subcontinent. Pleistocene speciation indicates that sea-level changes during that epoch could have been responsible for some species diversification in Sundania.",

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year = "2014",

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T1 - The influence of tectonics, sea-level changes and dispersal on migration and diversification of Isonandreae (Sapotaceae)

AU - Richardson, James E.

AU - Bakar, Azrul M.

AU - Tosh, James

AU - Armstrong, Kate

AU - Smedmark, Jenny

AU - Anderberg, Arne A.

AU - Slik, Ferry

AU - Wilkie, Peter

PY - 2014/1

Y1 - 2014/1

N2 - Internal transcribed spacer (ITS) ribosomal DNA sequence data were generated for 80 of the c. 200 species of Isonandreae and were added to data from African and Neotropical representatives in subfamily Sapotoideae and outgroups in Sapotaceae. Bayesian dating and ancestral area reconstruction indicated that Isonandreae are derived from within an African grade. Multiple Australasian species or lineages are derived from Sundanian lineages in South-East Asia with stem ages originating from the late Oligocene. Sri Lankan and Indian lineages are also derived from Sundanian lineages. Our results are consistent with migration from Africa into Sundania followed by numerous over-water dispersal events across Wallace's Line into Australasia and migration from Sundania to the Indian subcontinent. Pleistocene speciation indicates that sea-level changes during that epoch could have been responsible for some species diversification in Sundania.

AB - Internal transcribed spacer (ITS) ribosomal DNA sequence data were generated for 80 of the c. 200 species of Isonandreae and were added to data from African and Neotropical representatives in subfamily Sapotoideae and outgroups in Sapotaceae. Bayesian dating and ancestral area reconstruction indicated that Isonandreae are derived from within an African grade. Multiple Australasian species or lineages are derived from Sundanian lineages in South-East Asia with stem ages originating from the late Oligocene. Sri Lankan and Indian lineages are also derived from Sundanian lineages. Our results are consistent with migration from Africa into Sundania followed by numerous over-water dispersal events across Wallace's Line into Australasia and migration from Sundania to the Indian subcontinent. Pleistocene speciation indicates that sea-level changes during that epoch could have been responsible for some species diversification in Sundania.

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The influence of tectonics, sea-level changes and dispersal on migration and diversification of Isonandreae (Sapotaceae)

Abstract

All Science Journal Classification (ASJC) codes

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