U. Saarma

Publications105
h-index34
Citations3,572
Highly Influential Citations196
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Late-Quaternary biogeographic scenarios for the brown bear (Ursus arctos), a wild mammal model species
Sudden expansion of a single brown bear maternal lineage across northern continental Eurasia after the last ice age: a general demographic model for mammals?
The brown bear has proved a useful model for studying Late Quaternary mammalian phylogeography. However, information is lacking from northern continental Eurasia, which constitutes a large part of…
Revealing the History of Sheep Domestication Using Retrovirus Integrations
TLDR
By using endogenous retroviruses as genetic markers, it is found that sheep differentiated on the basis of their “retrotype” and morphological traits dispersed across Eurasia and Africa via separate migratory episodes.
Mitogenetic structure of brown bears (Ursus arctos L.) in northeastern Europe and a new time frame for the formation of European brown bear lineages
TLDR
It is hypothesize that the West Carpathian Mountains have served either as one of the northernmost refuge areas or as an important movement corridor for brown bears of the Eastern lineage towards northern Europe during or after the last ice age.
The Effect of Inappropriate Calibration: Three Case Studies in Molecular Ecology
TLDR
The results emphasise the importance of judicious selection of calibrations for analyses of recent evolutionary events, and illustrate this calibration problem using three case studies: avian speciation in the late Pleistocene, the demographic history of bowhead whales, and the Pleistsocene biogeography of brown bears.
A novel phylogeny for the genus Echinococcus, based on nuclear data, challenges relationships based on mitochondrial evidence
TLDR
It is suggested that mtDNA should not be used as the sole source of markers in future studies where the goal is to reconstruct a phylogeny that does not only reflect a maternal lineage, but aims to describe the evolutionary history at species level or higher.
Phylogenetic relationships within Echinococcus and Taenia tapeworms (Cestoda: Taeniidae): an inference from nuclear protein-coding genes.
Bucking the Trend in Wolf-Dog Hybridization: First Evidence from Europe of Hybridization between Female Dogs and Male Wolves
TLDR
This work demonstrates hybridization between wolf and dog populations in Estonia and Latvia, and the role of both genders in the hybridization process, and reveals the existence of dog mitochondrial genomes in the Latvian hybrids, providing the first evidence of mating between male wolves and female dogs.
HELMINTHOLOGIC SURVEY OF THE WOLF (CANIS LUPUS) IN ESTONIA, WITH AN EMPHASIS ON ECHINOCOCCUS GRANULOSUS
TLDR
Sequencing a fragment of the mitochondrial DNA NADH dehydrogenase 1 (mtND1) gene showed that the E. granulosus strain from Estonia was identical to strain G10, recently characterized in reindeer and moose in Finland.
Echinococcus multilocularis in Estonia
TLDR
This is the first report of E. multilocularis in Estonia, which extends its northern distribution in Europe, and the most important morphometric parameters of adult stages, length of worms, number of proglottids, terminal proglottoids, and form of uterus were examined.
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