| ranavirus infection in a group of wild-caught lake urmia newts neurergus crocatus imported from iraq into germany. | high mortality, in association with anorexia and skin ulcerations, occurred in a group of wild-caught lake urmia newts neurergus crocatus, imported from iraq in 2011. predominant findings in the pathological examinations consisted of systemic hemorrhages and ulcerative dermatitis. ranavirus dna was detected via pcr in 2 of 3 dead animals, and a part of the major capsid protein (mcp) gene was sequenced. the analyzed portion of the mcp gene was 99% identical to the corresponding portion of the fro ... | 2013 | 23574704 |
| what remains from a 454 run: estimation of success rates of microsatellite loci development in selected newt species (calotriton asper, lissotriton helveticus, and triturus cristatus) and comparison with illumina-based approaches. | the development of microsatellite loci has become more efficient using next-generation sequencing (ngs) approaches, and many studies imply that the amount of applicable loci is large. however, few studies have sought to quantify the number of loci that are retained for use out of the thousands of sequence reads initially obtained. we analyzed the success rate of microsatellite loci development for three amphibian species using a 454 ngs approach on tetra-nucleotide motif-enriched species-specifi ... | 2013 | 24198952 |
| variation in food availability mediate the impact of density on cannibalism, growth, and survival in larval yellow spotted mountain newts (neurergus microspilotus): implications for captive breeding programs. | in this study, we examined cannibalistic behavior, growth, metamorphosis, and survival in larval and post-metamorph endangered yellow spotted mountain newts neurergus microspilotus hatched and reared in a captive breeding facility. we designed a 2 × 2 factorial experiment, crossing two levels of food with two levels of density including high food/high density, high food/low density, low food/high density, and low food/low density. the level of cannibalistic behavior (including the loss of fore a ... | 2016 | 27704614 |
| population genetic structure of the endangered kaiser's mountain newt, neurergus kaiseri (amphibia: salamandridae). | species often exhibit different levels of genetic structuring correlated to their environment. however, understanding how environmental heterogeneity influences genetic variation is difficult because the effects of gene flow, drift and selection are confounded. we investigated the genetic variation and its ecological correlates in an endemic and critically endangered stream breeding mountain newt, neurergus kaiseri, within its entire range in southwestern iran. we identified two geographic regio ... | 2016 | 26918642 |
| [distribution of satellite dna tks1 in genomes of salamanders (salamandridae)]. | genomes of 22 species and subspecies of salamandrids (triturus, cynops, neurergus, notophthalmus, pachytriton, and pleurodeles ) were studied. satellite tks1 (32-33 bp) was found in all examined species, both in direct and reversed orientations. the use of single-primer pcr with oligonucleotides, which are homologous to the most conservative part of satellite tks1, allowed us to reveal dna fragments, flanked by single copies (or small tandem repeats) of satellites tks1 having various (5' and 3') ... | 2004 | 15473374 |
| observations on the lateral-line sense organs of the salamander neurergus crocatus crocatus cope (amphibia: urodela). | the lateral-line system of the subadult and adult neurergus crocatus crocatus cope is retained throughout the life. it is constructed of pear-shaped sense organs or neuromasts which in the subadults are confined entirely to the epidermis with their apices opening distally to the exterior at the general level of the epidermal surface whereas in the adults they are embedded proximally more than halfway in the dermis with their distal apices opening into shallow grooves slightly below the regular e ... | 1977 | 590716 |
| mitochondrial dna sequence analysis reveals multiple pleistocene glacial refugia for the yellow-spotted mountain newt, neurergus derjugini (caudata: salamandridae) in the mid-zagros range in iran and iraq. | phylogeography is often used to investigate the effects of glacial cycles on current genetic structure of various plant and animal species. this approach can also identify the number and location of glacial refugia as well as the recolonization routes from those refugia to the current locations. to identify the location of glacial refugia of the yellow-spotted mountain newt, neurergus derjugini, we employed phylogeography patterns and genetic variability of this species by analyzing partial nd4 ... | 2020 | 32537127 |
| the changing views on the evolutionary relationships of extant salamandridae (amphibia: urodela). | the phylogenetic relationships among members of the family salamandridae have been repeatedly investigated over the last 90 years, with changing character and taxon sampling. we review the changing composition and the phylogenetic position of salamandrid genera and species groups and add a new phylogeny based exclusively on sequences of nuclear genes. salamandrina often changed its position depending on the characters used. it was included several times in a clade together with the primitive new ... | 2018 | 30067741 |