Pollinator shifts and floral Evolution in the Merianieae (Melastomataceae)

tangarbestäubte Axinaea affinis

tangarbestäubte Axinaea affinis

Bienenbestäubte Meriania hernandoi

Bienenbestäubte Meriania hernandoi

The tremendous diversity of angiosperm flowers has most likely evolved primarily in connection with their manifold pollinators. A particularly interesting topic located at the interface of pollination ecology and floral evolution is the occurrence of so-called pollinator shifts, i.e., the shift from one functional group of pollinators to another (e.g., from bees to birds). This project focuses on a group of Central- and South American plants (the tribe Merianieae) belonging to the melastome family (Melastomataceae). The Merianieae include bee-, bat-, hummingbird- as well as passerine pollinated species. Using high resolution x-ray computed tomography combined with geometric morphometrics, we aim at analyzing in detail the differences in floral traits associated with different functional groups of pollinators. In addition, using a population genetic approach, we will assess gene flow and pollination efficiency in the different pollination systems.

 Projektpublikationen

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2022

Dellinger AS, Paun O, Baar J, Temsch EM, Fernández-Fernández D, Schönenberger J. Population structure in Neotropical plants: Integrating pollination biology, topography and climatic niches. Molecular Ecology. 2022 Apr;31(8):2264-2280. https://doi.org/10.1111/mec.16403
Michelangeli FA, Dellinger A, Goldenberg R, Almeda F, Mendoza-Cifuentes H, Fernández-Fernández DM et al. Phylogenetics and taxonomy of the Tribe Merianieae. in Goldenberg R, Michelangeli FA, Almeda F, Hrsg., Systematics, Evolution and Ecology of Melastomataceae. Springer International Publishing Switzerland. 2022. S. 255-273 https://doi.org/10.1007/978-3-030-99742-7_11
Dellinger AS, Kopper C, Kagerl K, Schönenberger J. Pollination in Melastomataceae: A Family-Wide Update on the Little We Know and the Much That Remains to Be Discovered. in Goldenberg R, Michelangeli FA, Almeda F, Hrsg., Systematics, Evolution, and Ecology of Melastomataceae. Cham: Springer International Publishing Switzerland. 2022. S. 585-607 https://doi.org/10.1007/978-3-030-99742-7_26

2021

Dellinger AS, Artuso S, Fernández-Fernández DM, Schönenberger J. Stamen dimorphism in bird-pollinated flowers – investigating alternative hypotheses on the evolution of heteranthery. Evolution. 2021 Okt;75(10):2589-2599. https://doi.org/10.1111/evo.14260
Valverde-Espinoza JM, Chacon-Madrigal E, Alvarado-Rodríguez O, Dellinger AS. The predictive power of pollination syndromes: Passerine pollination in heterantherous Meriania macrophylla (Benth.) Triana (Melastomataceae). Ecology and Evolution. 2021 Okt;11(20):13668-13677. https://doi.org/10.1002/ece3.8140
Bochorny T, Bacci LF, Dellinger AS, Michelangeli FA, Goldenberg R, Brito VLG. Connective appendages in Huberia bradeana (Melastomataceae) affect pollen release during buzz pollination. Plant Biology. 2021 Jul;23(4):556-563. https://doi.org/10.1111/plb.13244
Dellinger AS, Pérez-Barrales R, Michelangeli FA, Penneys DS, Fernández-Fernández DM, Schönenberger J. Low bee visitation rates explain pollinator shifts to vertebrates in tropical mountains. New Phytologist. 2021 Jul;231(2):864-877. https://doi.org/10.1111/nph.17390
Kanduth L, Chartier M, Schönenberger J, Dellinger AS. Red and white clover provide food resources for honeybees and wild bees in urban environments. Nordic Journal of Botany. 2021 Mär;39(3):1-11. e03005. https://doi.org/10.1111/njb.03005

2020

Dellinger AS. Pollination syndromes in the 21st century: where do we stand and where may we go? New Phytologist. 2020 Nov;228(4):1193-1213. https://doi.org/10.1111/nph.16793

2019

Dellinger AS, Artuso S, Pamperl S, Michelangeli FA, Penneys DS, Fernández-Fernández DM et al. Modularity increases rate of floral evolution and adaptive success for functionally specialized pollination systems. Communications Biology. 2019 Dez 5;2(1). 453. https://doi.org/10.1038/s42003-019-0697-7
Dellinger A, Pöllabauer L, Loreti M, Czurda J, Schönenberger J. Testing functional hypotheses on poricidal anther dehiscence and heteranthery in buzz-pollinated flowers. Acta ZooBot Austria . 2019 Nov 20;156:197-214.
Dellinger AS, Chartier M, Fernández-Fernández D, Penneys DS, Alvear M, Almeda F et al. Beyond buzz-pollination – departures from an adaptive plateau lead to new pollination syndromes. New Phytologist. 2019 Jan 1;221(2):1136-1149. https://doi.org/10.1111/nph.15468
Dellinger A, Artuso S, Fernandez-Fernandez DM, Penneys D, Schönenberger J. Foraging preferences of bees and birds – assessing the adaptive value of heteranthery in flowers of Merianieae (Melastomataceae). 2019. The 2019 Congress of the European Society for Evolutionary Biology, Finnland.
Dellinger A, Artuso S, Pamperl S, Michelangeli FA, Penneys D, Fernandez-Fernandez DM et al. Is modularity the key to adaptive success? Testing alternative hypotheses on modularity in flowers of Merianieae (Melastomataceae). in Abstract Book GM Austria 2019. 2019. S. 13

2018

Dellinger A, Artuso S, Fernández-Fernández D, Penneys DS, Michelangeli FA, Alvear M et al. Floral trait convergence and functional differentiation concomitant with pollinator shifts in Merianieae (Melastomataceae). 2018. II Joint Congress on Evolutionary Biology, Montpellier, Frankreich.
Dellinger A, Scheer LM, Fernandez-Fernandez DM, Penneys DS, Tenhaken R, Dötterl S et al. Beyond pollination syndromes: disentangling complex vertebrate pollination systems in the genus Meriania (Melastomataceae). in XI International Symposium on Pollination: Abstracts. 2018
Dellinger A, Scheer LM, Artuso S, Fernandez-Fernandez DM, Penneys DS, Sornoza F et al. Beyond pollination syndromes: disentangling complex vertebrate pollination systems in the genus Meriania (Melastomataceae). in PopBio 2018: 31st Conference of the Plant Population Biology Section of the Ecological Society of Germany, Austria and Switzerland (GfÖ): Abstracts. 2018
Dellinger A, Fernandez-Fernandez DM, Artuso S, Penneys DS, Michelangeli FA, Alvear M et al. Cambios de polinizadores resultan en la reconstrucción de la flor. in XII Latin American Botanical Congress (LABC): Abstracts. 2018
Dellinger A, Paun O, Fernandez-Fernandez DM, Penneys DS, Schönenberger J. Impact of pollinator shifts on mating systems and population genetic diversity in a Neotropical plant group. in European Conference of Tropical Ecology, Annual Meeting of the society for Tropical Ecology (GTÖ): Challenges in Tropical Ecology and Conservation - Global Perspectives. 2018. S15-002
Dellinger A, Paun O, Fernandez-Fernandez DM, Penneys DS, Schönenberger J. Population genetics as a tool for measuring connectivity in tropical plants – a case study from South American mountains. 2018. 34. Jahrestagung Lateinamerikaforschung Austria, Strobl am Wolfgangsee, Österreich.
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