Phylogenomics of sigmodontine rodents (Cricetidae: Sigmodontinae): Cloud forests and Pliocene extinction explain the timing and spread of an iconic South American radiation. [PDF]
Studies of biotic radiations following geographic invasions often overlook the potential role of subsequent climatic, biotic, and geologic triggers, instead focusing largely on the earliest stage of an invasion.
Max R Bangs +3 more
doaj +3 more sources
The importance of the Andes in the evolutionary radiation of Sigmodontinae (Rodentia, Cricetidae), the most diverse group of mammals in the Neotropics [PDF]
The Andean mountains stand out for their striking species richness and endemicity that characterize many emblematic Neotropical clades distributed in or around these mountains.
Paulo Vallejos-Garrido +10 more
doaj +3 more sources
First mitochondrial genome of the Amazonian marsh rat Holochilus sciureus Wagner 1842 (Rodentia, Cricetidae, Sigmodontinae) [PDF]
The Amazonian marsh rat, Holochilus sciureus, is a member of the subfamily Sigmodontinae, the second-largest subfamily of muroid rodents, with 410 species and ca. 84 genera in 12 tribes.
Susette Castañeda-Rico +3 more
doaj +3 more sources
We explored whether evolution is faster at ecotone zones by developing three new tip‐based metrics — a species‐specific characterization of trait evolution — and spatializing them at the species‐assemblage level. We showed that evolution's speed — in terms of rates and time of diet transition — varies over space, with ecoregion ecotones having species ...
André Luís Luza +5 more
openalex +3 more sources
Deciphering the Hantavirus Host Range Combining Virology and Species Distribution Models with an Emphasis on the Yellow Pygmy Rice Rat (<i>Oligoryzomys flavescens</i>). [PDF]
Hantaviruses are the causative agents of hantavirus pulmonary syndrome (HPS) in the Americas. In Central and South America, 28 hantavirus lineages were associated with different Sigmodontinae rodents. Of these, Lechiguanas hantavirus was initially described as a lineage associated with HPS cases in the central region of Argentina.
Cabrera A +4 more
europepmc +2 more sources
The emergence of a new sex-system (XX/XY1Y2) suggests a species complex in the “monotypic” rodent Oecomys auyantepui (Rodentia, Sigmodontinae) [PDF]
X-autosome translocation (XY1Y2) has been reported in distinct groups of vertebrates suggesting that the rise of a multiple sex system within a species may act as a reproductive barrier and lead to speciation. The viability of this system has been linked
Willam Oliveira da Silva +7 more
doaj +2 more sources
Rodentolepis microstoma isolated from different species of Sigmodontinae rodents (Rodentia: Cricetidae) in the Cuenca del Plata, Argentina: Morphological aspects and molecular characterization [PDF]
The purpose of this paper was to study specimens of the genus Rodentolepis isolated from eight species of Sigmodontinae rodents (Rodentia: Cricetidae) from six provinces in the Cuenca del Plata, Argentina, based on morphological, morphometric and ...
Natalia Beatriz Guerreiro Martins +4 more
doaj +2 more sources
Oecomys catherinae (Sigmodontinae, Cricetidae): Evidence for chromosomal speciation? [PDF]
Among the Oryzomyini (Sigmodontinae), Oecomys is the most speciose, with 17 species. This genus presents high karyotypic diversity (2n = 54 to 2n = 86) and many taxonomic issues at the species level because of the presence of cryptic species and the ...
Stella Miranda Malcher +10 more
doaj +4 more sources
Comparative genomic mapping reveals mechanisms of chromosome diversification in Rhipidomys species (Rodentia, Thomasomyini) and syntenic relationship between species of Sigmodontinae. [PDF]
Rhipidomys (Sigmodontinae, Thomasomyini) has 25 recognized species, with a wide distribution ranging from eastern Panama to northern Argentina. Cytogenetic data has been described for 13 species with 12 of them having 2n = 44 with a high level of ...
Vergiana Dos Santos Paixão +9 more
doaj +2 more sources
Species Limits and Hybridization in Andean Leaf-Eared Mice (<i>Phyllotis</i>). [PDF]
Diversification of Phyllotis coincided with mid‐ to late‐Pleistocene climate change. Species delimitation revealed cryptic diversity within several nominal forms. Genomic analyses revealed evidence for introgressive hybridization. ABSTRACT Leaf‐eared mice (genus Phyllotis) are among the most widespread and abundant small mammals in the Andean Altiplano,
Quiroga-Carmona M +13 more
europepmc +2 more sources

