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6 results for “Lethenteron reissneri”
Chromosome‐level genome assembly of Lethenteron reissneri provides insights into lamprey evolution
<p>The reissner lamprey<i> Lethenteron reissneri</i> belonging to Cyclostomata, serves as a bridge between invertebrates and jawed vertebrates, and is considered the most direct ancestor of vertebrates. However, the genetic mechanisms underlying the adaptive evolution of lampreys remain unclear. Here, we supplied the genome data and annotation data of <em>Lethenteron reissneri</em>. Total 5 files were uploaded, including the assembled genome of <i>Lethenteron reissneri</i>, the gene annotation file in gff format, the gene function annotation file, the LIP gene sequences of 50 species used in the article, and the readme file. This study not only provides the first chromosome-level reference genome in Cyclostomata, but also indicates the unique biology and adaptive evolution of lampreys.</p>
Chromosome‐level genome assembly of Lethenteron reissneri provides insights into lamprey evolution
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Figure 4 from: Renaud CB, Naseka AM (2015) Redescription of the Far Eastern brook lamprey Lethenteron reissneri (Dybowski, 1869) (Petromyzontidae). ZooKeys 506: 75-93. https://doi.org/10.3897/zookeys.506.9817
Figure 4 - Oral disc of lampreys identified by Berg (1931) as Lethenteron reissneri without row of posterials. A ZIN 14457, Shangshi River, Songhua (Sungari) River system, People's Republic of China, 146 mm TL with complete posterial row comprising 24 unicuspid teeth (Pr1; only few of these teeth visible in photo). Note second row of posterials (Pr2). Two exolateral teeth additionally present on left side, one between first and second (E1) and other between second and third endolaterals (E2) B ZIN 15078 (re-identified as Lethenteron camtschaticum), Samarga River, near Sufren Cape, Russia, 178.0+ mm TL with complete posterial row comprising 18 unicuspid, 3 bicuspid, 1 unicuspid teeth (only few of these teeth visible in photo). Exolateral tooth present on right side between first and second endolaterals not visible because oral disc not fully open.
Figure 3 from: Renaud CB, Naseka AM (2015) Redescription of the Far Eastern brook lamprey Lethenteron reissneri (Dybowski, 1869) (Petromyzontidae). ZooKeys 506: 75-93. https://doi.org/10.3897/zookeys.506.9817
Figure 3 - Syntypes (ammocoetes) of Petromyzon reissneri Dybowski, NMW 78112, 106.5 mm (below); 122.2 mm TL (above). Arrows point to dark midline streak on tail.
Figure 1 from: Renaud CB, Naseka AM (2015) Redescription of the Far Eastern brook lamprey Lethenteron reissneri (Dybowski, 1869) (Petromyzontidae). ZooKeys 506: 75-93. https://doi.org/10.3897/zookeys.506.9817
Figure 1 - Geographic distribution of Lethenteron reissneri and material identified by Berg (1931) as Lethenteron reissneri without posterials. Approximate location of the type locality of Lethenteron reissneri, Amur River basin, Russia (solid star), topotypic localities in Russia and Mongolia (solid diamonds) and localities of material identified by Berg (1931) as Lethenteron reissneri: Shangshi River, Amur River basin, People's Republic of China (solid diamond), Sedanka River, Sea of Japan basin, Russia (solid square), and Samarga River, Sea of Japan basin, Russia (solid square). The Sedanka and Samarga River specimens were re-identified as Lethenteron camtschaticum.
Figure 2 from: Renaud CB, Naseka AM (2015) Redescription of the Far Eastern brook lamprey Lethenteron reissneri (Dybowski, 1869) (Petromyzontidae). ZooKeys 506: 75-93. https://doi.org/10.3897/zookeys.506.9817
Figure 2 - Syntype (adult) of Petromyzon reissneri Dybowski, 1869, ZMB 7118, 117.1 mm TL, Onon River.
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OpenNeuro
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