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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 146 (1997), S. 0 
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Enumerating microorganisms from particle-laden environmental samples can often prove difficult. Procedures involving the separation of the cells from the particles are required, as well as an evaluation of the extraction efficiency. Here we present for the first time a method enabling direct counts to be performed on environmental samples of deep-sea hydrothermal vent sulfide chimney samples. This method involves a separation of cells from the metallic sulfide particles by detergent and ultrasound treatments, followed by an estimation of the extraction efficiency by the Leslie regression method. Successful counts were obtained from the outer portions of two active chimneys from the Mid-Atlantic Ridge, and from the East Pacific Rise. The outer crust of these chimneys contained up to ca. 1010 cells g−1 of chimney (dry weight).
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 359 (1992), S. 593-594 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Wehner et al.1 recently reported observations of a desert ant (Cataglyphis bombycina) that experiences exposure to high-temperature while foraging under the midday sun, making this ant the most 'thermophilic' terrestrial animal, with a body temperature sometimes exceeding 50 á°C. ...
    Type of Medium: Electronic Resource
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  • 3
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    Unknown
    PANGAEA
    In:  Supplement to: Cárdenas, Paco; Vacelet, Jean; Chevaldonné, Pierre; Pérez, Thierry; Xavier, Joana R (2018): From marine caves to the deep sea, a new look at Caminella (Demospongiae, Geodiidae) in the Atlanto-Mediterranean region. Zootaxa, 4466(1), 174, https://doi.org/10.11646/zootaxa.4466.1.14
    Publication Date: 2023-03-10
    Description: Caminella Lendenfeld, 1894 is a poorly known Geodiidae genus with unclear phylogenetic relationships. In order to find new lines of evidence that could shed light on the evolutionary history of Caminella, we decided to revise type material and museum material, as well as examine new material from underwater caves and deep-sea ecosystems. In doing so, we formally show that Isops maculosus Vosmaer, 1894 and Caminella loricata Lendenfeld, 1894 are junior synonyms of Caminella intuta (Topsent, 1892). We discuss different spicule morphological phenotypes in C. intuta, which may be linked to silica availability. We also discovered two new species of deep-sea Caminella: 1) from Cape Verde (Caminella caboverdensis sp. nov.) and 2) from seamounts located south of the Azores archipelago and the North of Spain (Caminella pustula sp. nov.). We reveal that Caminella sterrasters have complex surface microstructures, unique amongst the Geodiidae, where actin tips are linked to each other. Molecular markers (COI, 28S (C1-D2) and 18S) sequenced for some specimens led to new phylogenetic analyses, which continue to suggest a close relationship of Caminella with the Erylinae and Calthropella; these affinities are discussed in light of morphological characters.
    Keywords: Accession number, genetics; Adriatic Sea; Alboran-Is_reconstr; Alboran-Is_st3; Alboran Sea; Alboran-Sea_BV41; Area/locality; Banc-Atlantis_DW265; Banc-Hyeres_DW184; Banc-Plato_DW248; Bay of Biscay; BIO; Biology; Canarias Sea; Cape-Verde_st6-174; Cap-Ferrat-dAil; Cap-lAbeille_reconst; Chak-El-Hatab; Collection; Comment; Deep-sea Sponge Grounds Ecosystems of the North Atlantic; DEPTH, water; Dugi-Otok-Is_Y-Cave; Eastern Basin; El-Cachucho-Bank_DR9; Grand-Banc-Meteor_CP151; Grotte-Cosquer_reconstr; Grotte-de-Bear_reconstr; Grotte-de-Gameau_reconstr; Grotte-des-Tremies_reconstr; Grotte-du-Figuier_reconstr; Grotte-Fauconniere_reconstr; Gruta-do-Carreiro-Maldito_reconstr; Gulf-of-Naples_reconstr; Habitat; Hvar_reconstr; LATITUDE; Le-Petit-Conglue_reconstr; LONGITUDE; Name; Reference/source; Sagres_reconstr; Sampling date; South Atlantic Ocean; Species; SponGES; Station label; Strazica_Velebit-Ch; Tirreno Sea; Tremiti-Is_reconstr; Type; Western Basin
    Type: Dataset
    Format: text/tab-separated-values, 197 data points
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