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@article{1811359,
author = {Komarova, Valeria A. and Kostin, Danila S. and Bryja, Josef and Mikula, Ondřej and Bryjová, Anna and Čížková, Dagmar and Šumbera, Radim and Meheretu, Yonas and Lavrenchenko, Leonid A.},
article_number = {10},
doi = {http://dx.doi.org/10.1111/mec.15891},
keywords = {adaptive radiation; Afromontane Biodiversity Hotspot; mitochondrial introgression; Pleistocene; Rodentia; species delimitation},
language = {eng},
issn = {0962-1083},
journal = {Molecular Ecology},
title = {Complex reticulate evolution of speckled brush-furred rats (Lophuromys) in the Ethiopian centre of endemism},
url = {https://doi.org/10.1111/mec.15891},
volume = {30},
year = {2021}
}
TY - JOUR
ID - 1811359
AU - Komarova, Valeria A. - Kostin, Danila S. - Bryja, Josef - Mikula, Ondřej - Bryjová, Anna - Čížková, Dagmar - Šumbera, Radim - Meheretu, Yonas - Lavrenchenko, Leonid A.
PY - 2021
TI - Complex reticulate evolution of speckled brush-furred rats (Lophuromys) in the Ethiopian centre of endemism
JF - Molecular Ecology
VL - 30
IS - 10
SP - 2349-2365
EP - 2349-2365
PB - Wiley
SN - 09621083
KW - adaptive radiation
KW - Afromontane Biodiversity Hotspot
KW - mitochondrial introgression
KW - Pleistocene
KW - Rodentia
KW - species delimitation
UR - https://doi.org/10.1111/mec.15891
N2 - The Ethiopian highlands represent a remarkable biodiversity 'hot spot' with a very high number of endemic species, even among vertebrates. Ethiopian representatives of a species complex of speckled brush-furred rats (Lophuromys flavopunctatus sensu lato) inhabit highland habitats ranging from low-elevation forests to Afroalpine grasslands. These may serve as a suitable model for understanding evolutionary processes leading to high genetic and ecological diversity in montane biodiversity hot spots. Here, we analyse the most comprehensive genetic data set of this group, comprising 315 specimens (all nine putative Ethiopian Lophuromys taxa sampled across most of their distribution ranges) genotyped at one mitochondrial and four nuclear markers, and thousands of SNPs from ddRAD sequencing. We performed phylogenetic analyses, delimited species and mapped their distribution and estimated divergence time between species (under the species-tree framework) and mitochondrial lineages. We found significant incongruence between mitochondrial and nuclear phylogenies, most probably caused by multiple interspecific introgression events. We discuss alternative scenarios of Ethiopian Lophuromys evolution, from retention of ancestral polymorphism to hybridization upon secondary contact of partially reproductively isolated lineages leading to reticulate evolution. Finally, we use the diversity of the speckled brush-furred rats for the description of the main biogeographic patterns in the fauna of the Ethiopian highlands.
ER -
KOMAROVA, Valeria A., Danila S. KOSTIN, Josef BRYJA, Ondřej MIKULA, Anna BRYJOVÁ, Dagmar ČÍŽKOVÁ, Radim ŠUMBERA, Yonas MEHERETU and Leonid A. LAVRENCHENKO. Complex reticulate evolution of speckled brush-furred rats (Lophuromys) in the Ethiopian centre of endemism. \textit{Molecular Ecology}. Wiley, 2021, vol.~30, No~10, p.~2349-2365. ISSN~0962-1083. Available from: https://dx.doi.org/10.1111/mec.15891.
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