Robert Schreiber

• Museum für Naturkunde - Leibniz Institute for Research on Evolution and Biodiversity

Morphological-morphometric and genetic studies on water frogs (Pelophylax spp.) in the Müritz National Park (Mecklenburg-Western Pomerania) with special consideration of the pool frog (Pelophylax lessonae) The Müritz National Park (MNP), with its abundance of forests and water bodies, is one of the most important nature reserves in the federal stat...

In spring 2015 14 water frog populations were investigated in the Münsterland to better assess the situation of the pool frog (Pelophylax lessonae) in this region, a species which is protected according to the FFH directive of the European Union. The investigations comprised 14 areas of the Westfälische Bucht in the natural environments Westmünster...

Variation patterns of allozymes and of ND3 haplotypes of mitochondrial DNA reveal a zone of genetic transition among western Palearctic water frogs extending across northeastern Greece and European Turkey. At the western end of the zone, allozymes characteristic of Central European frogs known as Pelophylax ridibundus predominate, whereas at the ea...

Water frogs inhabiting Cyprus represent a distinct evolutionary species of Messinian origin that is formally described in this paper. The systematic status of Cypriot frogs is evidenced by specific characters in their mitochondrial (mt) and nuclear (nu) DNA sequences, and the fact that they form a well supported monophyletic clade in both mtDNA and...

Water frogs inhabiting Cyprus represent a distinct evolutionary species of Messinian origin that is formally described in this paper. The systematic status of Cypriot frogs is evidenced by specific characters in their mitochondrial (mt) and nuclear (nu) DNA sequences, and the fact that they form a well supported monophyletic clade in both mtDNA and...

Water frogs [genus Pelophylax (Rana)] that occur around the eastern Mediterranean Sea provide an opportunity to study early stages of speciation. The geography of the eastern Mediterranean region has changed dramatically since the Middle Miocene as a result of motions of adjoining lithospheric plates and regional-scale vertical crustal motions (upl...

A 5' truncated non-LTR CR1-like retrotransposon, named RanaCR1, was identified in the serum albumin intron-1 (SAI-1) of at least seven species of western Palearctic water frogs (WPWF). Based on sequence similarity of the carboxy-terminal region (CTR) of ORF2 and/or the highly conserved 3' untranslated region (3' UTR), RanaCR1-like elements occur al...

Water frogs from Anatolia, Syria, Jordan, and central Asia (Turkmenistan, Uzbekistan, Kazakhstan) were compared on the basis of the complete mitochondrial (mt) ND3 gene (340 bp), two flanking mt t-RNA gene fragments (26 bp), and a 374 bp fragment of the mt 12S rRNA gene. A total of 27 haplotypes were found among the investigated individuals. Anatol...