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16 results for “Leiopathes”
Data from: Home bodies and wanderers: sympatric lineages of the deep-sea black coral Leiopathes glaberrima
Colonial corals occur in a wide range of marine benthic habitats from the shallows to the deep ocean, often defining the structure of their local community. The black coral Leiopathes glaberrima is a long-lived foundation species occurring on carbonate outcrops in the Northern Gulf of Mexico (GoM). Multiple color morphs of L. glaberrima grow sympatrically in the region. Morphological, mitochondrial and nuclear ribosomal markers supported the hypothesis that color morphs constituted a single biological species and that colonies, regardless of color, were somewhat genetically differentiated east and west of the Mississippi Canyon. Ten microsatellite loci were used to determine finer-scale population genetic structure and reproductive characteristics. Gene flow was disrupted between and within two nearby (distance = 36.4 km) hardground sites and two sympatric microsatellite lineages, which might constitute cryptic species, were recovered. Lineage one was outbred and found in all sampled locations (N = 5) across 765.6 km in the Northern Gulf of Mexico. Lineage two was inbred, reproducing predominantly by fragmentation, and restricted to sites around Viosca Knoll. In these sites the lineages and the color phenotypes occurred in different microhabitats, and models of maximum entropy suggested that depth and slope influence the distribution of the color phenotypes within the Vioska Knolls. We conclude that L. glaberrima is phenotypically plastic with a mixed reproductive strategy in the Northern GoM. Such strategy might enable this long-lived species to balance local recruitment with occasional long-distance dispersal to colonize new sites in an environment where habitat is limited.
FIGURE 3. A–C—Leiopathes montana n in A new species of Leiopathes (Anthozoa: Antipatharia) from the Great Meteor seamount (North Atlantic)
FIGURE 3. A–C—Leiopathes montana n. sp. Paratype [MNHN IK–2007–10]. D—L. glaberrima [IORAS IV–9–Ant–11– 001]. A—General view of the colony. Photo Pierre Lozouet. Scale 2 cm; B–D—polyps. Scale B 1 mm, C–D 2 mm.
FIGURE 6 in A new species of Leiopathes (Anthozoa: Antipatharia) from the Great Meteor seamount (North Atlantic)
FIGURE 6. Pont of incertion of terminal branchlet and relative spine size for six known species of Leiopathes, Scale: 1 mm: L. montana n. sp. Holotype [SMF–11.987]; L.glaberrima [IORAS IV–9–Ant–11–001]; L. expansa Johnson, 1899 – Holotype [MADJ]; L. acanthophora Opresko, 1998 Holotype [SAM H906]; L. secunda Opresko, 1998 Paratype [SAM H757]; L. grimaldii Roule, 1902 Syntype [MOM coll. n° 13 4017].
FIGURE 5 in A new species of Leiopathes (Anthozoa: Antipatharia) from the Great Meteor seamount (North Atlantic)
FIGURE 5. SEM of spines of Leiopathes spp. A–D, G–H Leiopathes montana n. sp. Paratype [MNHN IK-2007-10]. E–F, I–J: L.glaberrima [IORAS IV–9–Ant–11–001]. A–C, E–F spines at terminal branchlet, D—point of insertion of terminal branchlet. Scale 0.5 mm. G–J—closer view of spines, Scale 0.05mm. G, I—distal part of branchlets, H, J—middle of branchlet.
FIGURE 1 in A new species of Leiopathes (Anthozoa: Antipatharia) from the Great Meteor seamount (North Atlantic)
FIGURE 1. Leiopathes valdiviae (Pax, 1915). A–C after Pax 1922; D–E Holotype ZMB Cni 5672 photo Carsten Lüter; Ageneral view of the colony (40 cm high); B—spines at branchlet; C—polyps at terminal branchlet; D–E—close view of colony. Scale 2 cm.
FIGURE 2. Leiopathes montana n in A new species of Leiopathes (Anthozoa: Antipatharia) from the Great Meteor seamount (North Atlantic)
FIGURE 2. Leiopathes montana n. sp. Holotype [SMF–11.987] A—general view of the colony. Scale 5 cm; B—base of the colony. Scale 2 cm; C—fragment of the colony. Scale 2.5 cm.
FIGURE 4. Leiopathes montana n in A new species of Leiopathes (Anthozoa: Antipatharia) from the Great Meteor seamount (North Atlantic)
FIGURE 4. Leiopathes montana n. sp. Holotype [SMF-11.987]. SEM of spines. A–C terminal branchlet; D—branchlet of lower order. Scale 0.1 mm
FIGURE 6 in Description of a new species of Leiopathes (Antipatharia: Leiopathidae) from the Hawaiian Islands
FIGURE 6. Comparison of branching pattern and skeletal spine morphology between a–d. L. annosa sp. nov. (USNM 77480), and e–h. L. bullosa (USNM 99409) (scale bars: a and e = 2 cm; b–d and f–h = 100 µm).
FIGURE 1 in Description of a new species of Leiopathes (Antipatharia: Leiopathidae) from the Hawaiian Islands
FIGURE 1. Leiopathes annosa sp. nov. type material. a. holotype (BPBM D1871) in situ, b. preserved specimen of holotype (BPBM D1871), c. dry specimen of paratype (USNM 77480). d. polyps of holotype (BPBM D1871) under light microscopy, e. distal branches of paratype (USNM 77480) (scale bars: b = 8 cm; c = 8 cm; d = 2 mm).
FIGURE 4 in Description of a new species of Leiopathes (Antipatharia: Leiopathidae) from the Hawaiian Islands
FIGURE 4. Scanning electron micrographs of skeletal spines of Hawaiian Leiopathes specimens examined as part of this study, assigned to L. annosa sp. nov. (a-o) and Leiopathes sp. (p). a. BPBM D1871, b. BPBM 910, c. BPBM 970, d. USNM 77082, e. USNM 77480, f. USNM 99500, g. USNM 99497, h. USNM 99496, i. USNM 1071405, j. USNM 1071416, k. USNM 1071417, l. USNM 1070976, m. USNM 1070976, n. USNM 1129919, o. USNM 99501 and p. USNM52278 (scale bars = 100 µm).
FIGURE 5 in Description of a new species of Leiopathes (Antipatharia: Leiopathidae) from the Hawaiian Islands
FIGURE 5. Scanning electron micrographs of skeletal spines of various Leiopathes spp. including a. L. annosa sp. nov. (BPBM D1871), b. L. bullosa (USNM 99409), c. L. secunda (USNM 99404), d. L. acanthophora (USNM 99402), and e. L. glaberrima (USNM 1099249) (scale bars = 100 µm).
FIGURE 3 in Description of a new species of Leiopathes (Antipatharia: Leiopathidae) from the Hawaiian Islands
FIGURE 3. In situ photographs of Leiopathes annosa sp. nov. colonies examined as part of this study. a. BPBM D1871, b. USNM 1071417, c. BPBM 910, d. USNM 1071405, e. USNM 1071416, f. USNM 1070976, g. BPBM 1017, and h. BPBM 982 (photographs courtesy of HURL).
FIGURE 2 in Description of a new species of Leiopathes (Antipatharia: Leiopathidae) from the Hawaiian Islands
FIGURE 2. Scanning electron micrographs of skeletal spines on various branches of the holotype of Leiopathes annosa sp. nov. (BPBM D1871; scale bars = 100 µm).
Data from: Home bodies and wanderers: sympatric lineages of the deep-sea black coral Leiopathes glaberrima
Open the record for dataset details and reuse information.
Haploweb analysis of ITS sequences of Leiopathes glaberrima (Cnidaria: Antipatharia)
<p>This a reanalysis of the ITS sequences of <em>Leiopathes glaberrima</em> published in Ruiz-Ramos DV, Saunders M, Fisher CR, Baums IB (2015) Home bodies and wanderers: sympatric lineages of the deep-sea black coral <em>Leiopathes glaberrima</em>. PLoS ONE 10:e0138989 (https://doi.org/10.1371/journal.pone.0138989). I thank the authors for sharing with me the original chromatograms of their study.</p> <p>The chromatograms were assembled into contigs in Sequencher then scrutinized to detect double peaks (using the procedure outlined in Fontaneto D, Flot J-F, Tang CQ (2015) Guidelines for DNA taxonomy, with a focus on the meiofauna. Marine Biodiversity 45:433–451; https://doi.org/10.1007/s12526-015-0319-7). Of the 43 individuals sequenced, 22 were homozygous (or had double peaks so small or noisy that it was impossible to infer their second haplotype with certainty, in which case they were considered as homozygous); two had a single double peak each (in which case phasing them was trivial); one had two double peaks (with strong differences in peak heights allowing direct phasing); and the remaining 18 were length-variant heterozygotes (characterized by many double peaks) that were phased using Champuru (Flot J-F (2007) Champuru 1.0: a computer software for unraveling mixtures of two DNA sequences of unequal lengths. Molecular Ecology Notes 7:974–977; https://doi.org/10.1111/j.1471-8286.2007.01857.x; available online at http://jfflot.mnhn.fr/champuru/). The two alleles of heterozygous individuals were named by appending -a and -b to the names of the corresponding individuals.</p> <p>Sequences were aligned using MAFFT's E-INS-i mode (Katoh K, Rozewicki J, Yamada KD (2019) MAFFT online service: multiple sequence alignment, interactive sequence choice and visualization. Briefings in Bioinformatics 20:1160–1166; https://doi.org/10.1093/bib/bbx108; available online at https://mafft.cbrc.jp/alignment/server/) then the resulting FASTA alignment was turned into a haploweb (Flot J-F, Couloux A, Tillier S (2010) Haplowebs as a graphical tool for delimiting species: a revival of Doyle’s “field for recombination” approach and its application to the coral genus <em>Pocillopora</em> in Clipperton. BMC Evolutionary Biology 10:372; https://doi.org/10.1186/1471-2148-10-372) using HaplowebMaker (Spöri Y, Flot J (2020) HaplowebMaker and CoMa: two web tools to delimit species using haplowebs and conspecificity matrices. Methods in Ecology and Evolution; https://doi.org/10.1111/2041-210X.13454; available online at https://eeg-ebe.github.io/HaplowebMaker/).</p> <p>In the resulting haploweb all haplotypes are connected into a single field for recombination (FFR sensu Doyle JJ (1995) The irrelevance of allele tree topologies for species delimitation, and a non-topological alternative. Systematic Botany 20:574–588; https://doi.org/10.2307/2419811), thereby supporting the authors' original conclusion that all the specimens they sequenced were conspecific.</p> <p>Included in this dataset are:</p> <p>- a zipped folder containing the original chromatograms communicated by the authors (Leiopathes_ITS_chromatograms.zip);</p> <p>- a Sequencher 4.1 project file containing the chromatograms assembled into contigs, cleaned and phased (Leiopathes_ITS_Sequencher.spf);</p> <p>- a FASTA alignment of the phased sequences obtained (Leiopathes_ITS_MAFFT-E-INS-i.fasta);</p> <p>- a HaplowebMaker project file (in JSON format) containing the results of the haploweb analysis (Leiopathes_ITS_JSON.HaplowebMaker);</p> <p>- and a PDF printout of the final haploweb (Leiopathes_ITS_haploweb.pdf).</p> <p> </p> <p> </p> <p> </p>
FIGURE 7 in Description of a new species of Leiopathes (Antipatharia: Leiopathidae) from the Hawaiian Islands
FIGURE 7. World distribution of black coral species in the genus Leiopathes.
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