Biogeography - different geographical and taxonomic scales

Fay, Michael F.; Forest, Félix

doi:10.1111/boj.12019

Cited by 9 publications

(5 citation statements)

References 32 publications

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“…Reconstructing the biogeographical history of taxa that occupy this region will enable a better understanding of how this biodiversity arose, and dated molecular trees allow us to determine whether evolutionary events coincide with historical tectonic or climatic events in a particular region (e.g. Donoghue & Moore, ; Pillon, ; Fay & Forest, ). A series of tectonic events have influenced diversification in the South‐East Asian region.…”

Section: Introductionmentioning

confidence: 99%

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

et al. 2013

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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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Section: Introductionmentioning

confidence: 99%

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

et al. 2013

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“…Wallace (), who has been recognized as the father of biogeography (Fay & Forest, , and references therein), strongly insisted on the use of an approach combining current distributions with palaeogeographical knowledge to unravel the evolution of organisms. Wallace hypothesized that ocean depth combined with information on the geological origin of areas (i.e.…”

Section: Palaeobotanical Evidencementioning

confidence: 99%

Proto-South-East Asia as a trigger of early angiosperm diversification

2013

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Darwin described as an 'abominable mystery' the abrupt origin of angiosperms in the mid-Cretaceous and the high diversification rates in their early history. The father of evolutionary theory could not fathom this rapid diversification and rather invoked that 'there was during long ages a small isolated continent in the S. hemisphere, which served as the birthplace of the higher plants'. In this essay, we comment on the spatial origin of angiosperms, but focus primarily on understanding the abiotic factors that promoted the early diversification of angiosperms by reviewing palaeobotanical, palaeogeographical, phylogenetics and biogeographical evidence. We argue that islands located in the region today occupied by South-East Asia played a major role in angiosperm diversification during the Late Jurassic and Early Cretaceous.

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“…However, fewer studies have focused on specific families or genera of ferns in Southeast Asia. Reconstructing the phylobiogeography of fern taxa that occupy this region could give a better understanding of how early land plantsdiverisfied in this area, and molecular dating allows us to determine whether evolutionary events coincide with historical tectonic or climatic events in a particular region (Pillon, 2012;Fay and Forest, 2013;Richardson et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Deciphering the reticulate evolution and phylo-biogeography of Ant-Ferns Lecanopteris s.s.

He,

Jiang,

Zhao

et al. 2024

Preprint

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Southeast Asia is a biodiversity hotspot characterized by a complex paleogeography, and its Polypodiopsida flora is particularly diverse. While hybridization is recognized as common in ferns, investigations into the relationship between hybridization events and fern diversity are notably lacking. Lecanopteris s.s., an ant-associated fern, has been subject to debate regarding species delimitations primarily due to limited DNA markers and species sampling. Our study integrates 22 newly generated plastomes, 22 transcriptomes, and flow cytometry of all native species along with two cultivated hybrids. Our objective is to elucidate the reticulate evolutionary history within Lecanopteris through the integration of phylo-biogeography reconstruction, gene flow inference, and genome size estimation. Key findings of our study include: (1) An enlarged plastome size in Lecanopteris, attributed to extreme expansion of the Inverted Repeat (IR) regions; (2) The traditional ‘pumila’ and ‘crustacea’ groups are paraphyletic; (3) Significant cytonuclear discordance attributed to gene flow; (4) Natural hybridization and introgression in the ‘pumila’ and ‘darnaedii’ groups; (5) L. luzonensis is the maternal parent of L. ‘Yellow Tip’, with L. pumila suggested as a possible paternal parent; (6) L. ‘Tatsuta’ is a hybrid between L. luzonensis and L. crustacea; (7) Lecanopteris first diverged during the Neogene and then during the middle Miocene climatic optimum in Indochina and Sundaic regions. In conclusion, the biogeographic history and speciation of Lecanopteris have been profoundly shaped by past climate changes and geodynamics of Southeast Asia. Dispersals, hybridization and introgression between species act as pivotal factors in the evolutionary trajectory of Lecanopteris.

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Biogeography - different geographical and taxonomic scales

Cited by 9 publications

References 32 publications

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

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

Proto-South-East Asia as a trigger of early angiosperm diversification

Deciphering the reticulate evolution and phylo-biogeography of Ant-Ferns Lecanopteris s.s.

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