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  • 1
    Online Resource
    Online Resource
    Taxonomy of Porifera : From the N. E. Atlantic and Mediterranean Sea. (1987)
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Details
    Keywords: Sponges-Classification. ; Electronic books.
    Description / Table of Contents: Proceedings of the NATO Advanced Research Workshop on Taxonomy of Porifera from the N.E. Atlantic and Mediterranean Sea held at Marseille, France, September 22-27, 1986.
    Type of Medium: Online Resource
    Pages: 1 online resource (331 pages)
    Edition: 1st ed.
    ISBN: 9783642708923
    Series Statement: Nato asi Subseries G: Series ; v.13
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6573684
    DDC: 593.4091631
    Language: English
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  • 2
    Book
    Book
    Taxonomy of Porifera from the N.E. Atlantic and Mediterranean Sea : [proceedings of the NATO Advanced Research Workshop on Taxonomy of Poifera from the N.E. Atlantic and Mediterranean Sea held at Marseille, France, September 22 - 27, 1986] (1987)
    Berlin : Springer
    Details Availability
    Keywords: Sponges Classification ; Congresses ; Sponges Classification ; Congresses ; Konferenzschrift 1986 ; Atlantischer Ozean Nord ; Schwämme ; Systematik ; Mittelmeer ; Schwämme ; Systematik
    Type of Medium: Book
    Pages: VIII, 332 S. , Ill., graph. Darst.
    ISBN: 3540160914 , 0387160914
    Series Statement: NATO ASI series 13
    DDC: 593.4/09163/1
    RVK:
    WP 2300
    Language: English
    Note: Literaturangaben
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  • 3
    Electronic Resource
    Electronic Resource
    A methanotrophic carnivorous sponge (1995)
    [s.l.] : Nature Publishing Group
    Nature 377 (1995), S. 296-296 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR — Associations between methanotrophic bacteria and several species of mytilids and a pogonophore have been described in deep-sea communities surrounding hydrothermal vents and cold seeps1. We report here a new symbiosis between a sponge and methanotrophic bacteria. The o C values and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/377296a0
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Ultrastructure of the oocyte and embryo of the calcified sponge,Petrobiona massiliana (Porifera, Calcarea) (1992)
    Springer
    Zoomorphology 112 (1992), S. 133-141 
    Details
    ISSN: 1432-234X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary In the spongePetrobiona massiliana, a Calcarea related to “pharetronid” fossils, the oocyte and the embryo both receive an unusual amount of maternal nurse cells. Yolk granules are large and display a lamellar structure throughout the entire growth period, which allows them to be used as markers of the oocyte reserves. The cruciform cells (“cellules en croix”) of the embryo appear to degenerate at an early stage. These features are compared to those found in other Calcarea.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01633104
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    The sponge Dosilia brouni (Spongillidae) in Lake Baringo, Gregory Rift, Kenya (1991)
    Springer
    Hydrobiologia 211 (1991), S. 11-18 
    Details
    ISSN: 1573-5117
    Keywords: Spongillidae ; Dosilia ; Lake Baringo
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Living specimens of the sponge Dosilia brouni (Kirkpatrick, 1906), which had previously been found only in its type locality on the White Nile, have been discovered in Lake Baringo (Kenya). The sponge also occurs as subfossil gemmules embedded in the sediment. Its description is completed using light and scanning electron microscopy and physicochemical data on the habitat are given. The paleogeographical significance of this observation is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00008612
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Comparative study of the choanosome of porifera: II. The keratose sponges (1989)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 201 (1989), S. 119-129 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The aquiferous system of representatives of the orders Dictyocer-atida, Dendroceratida, and Verongida has been studied to note its relevance to the systematics of the groups. The volume of the choanocyte chamber, the size and shape of the choanocytes, the number of choanocytes per chamber, the relative development of the mesohyl, and the features of endopinacocytes are estimated from scanning and transmission electron microscopic observations of representatives of most families of the three orders. Although the Dysideidae have a reticulate skeleton and were classified in the order Dictyoceratida, they are actually closer to the Aplysillidae (Dendroceratida) than to dictyoceratids. The anatomy and cytology of the Halisarcidae differ profoundly from those of these three orders and are clearly more closely related to nonkeratose sponges. Some changes in classification lead to a pattern with highly homogeneous orders that clearly differ in their anatomic and cytologic features, which does not support the hypothesis of a common origin of the “keratose” sponges.
    Additional Material: 20 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1052010203
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  • 7
    Electronic Resource
    Electronic Resource
    Comparative study of the choanosome of Porifera: 1. The Homoscleromorpha (1984)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 180 (1984), S. 3-17 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The choanoderm and pinacoderm of representatives of the two families of Homoscleromorpha sponges, the Oscarellidae and Plakinidae, have been examined by transmission and scanning electron microscopy. Different fixative procedures have shown the dramatic influence of fixation conditions on the morphology of choanocytes. These two families of sponges have the following morphological features in common: flagellated endopinacocytes with short apical microvilli and basal pseudopods; the presence of a very thin and dense sheet of matrix material which limits the mesohyl. There are, however, only minor differences in the flagellar morphology, granule content, and anchoring system of their choanocytes.Two findings are of particular interest: (1) the presence of glycocalyx bridges between the microvilli of the choanocyte collar; and (2) the discovery of a new cell type, the apopylar cell, which has a morphology intermediate between that of pinacocytes and choanocytes. The apopylar cells limit the apopylar opening of the choanocyte chamber and indicate the transition between choanoderm and pinacoderm.
    Additional Material: 22 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051800103
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  • 8
    Electronic Resource
    Electronic Resource
    Immunohistochemical studies on the distribution and the function of the d-galactose-specific lectins in the sponge Axinella polypoides (Schmidt) (1983)
    Springer
    Cell & tissue research 229 (1983), S. 551-571 
    Details
    ISSN: 1432-0878
    Keywords: Lectin ; Sponge ; Histology ; Spongin-Network ; Spherulous cell
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The distribution of the two d-galactose-specific lectins within the sponge tissue of Axinella polypoides was studied by autoradiography and by an immunohistochemical method on paraplast- and cryosections. Both techniques revealed that the lectins are stored inside the vesicles of the spherulous cells. All spherulous cells, regardless of their appearance in the different types of tissue contained the lectins. Antibodies were purified from an antiserum that reacted with both lectin I and lectin II and from the same antiserum rendered monospecific for lectin I. The purified antibodies were used to demonstrate that lectin II is predominantly present in spherulous cells with small vesicles, and lectin I in those with large vesicles. Electron-microscopic studies revealed that the spherulous cells with small vesicles are derived from archaeocytes and transformed into spherulous cells with large vesicles, a process accompanied by the conversion of lectin II to lectin I. Histological investigations showed that the tips of the bush-like, branched sponge lack the central axis, a spongin fiber network that provides support and stability to the sponge tissue. However, the missing spongin network is already preformed by cell bundles that ultimately produce the numerous fiber strands of the central axis. These bundles are composed exclusively of spindle-shaped cells and the spherulous cells. Other areas where production of spongin fibers is expected are also enriched with spherulous cells. These findings and the reaction of lectin-specific antibodies with the spongin fibers indicate that spherulous cells, and thus the lectins, are involved in synthesis of spongin fiber. Sponges lacking spongin fibers, e.g. Aaptos aaptos and Geodia cydonium, produce lectins with different carbohydrate specificity and possess large numbers of spherulous cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00207698
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    Paper (German National Licenses)
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  • 9
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    Caminella (Porifiera, Demospongiae, Geodiidae) from the NE Atlantic (2018)
    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
    Details
    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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    DATA PANGAEA
  • 10
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    Assessing the complex sponge microbiota: core, variable and species-specific bacterial communities in marine sponges (2012)
    Nature Publishing Group
    In:  The ISME Journal, 6 (3). pp. 564-576.
    Details
    Publication Date: 2016-05-25
    Description: Marine sponges are well known for their associations with highly diverse, yet very specific and often highly similar microbiota. The aim of this study was to identify potential bacterial sub-populations in relation to sponge phylogeny and sampling sites and to define the core bacterial community. 16S ribosomal RNA gene amplicon pyrosequencing was applied to 32 sponge species from eight locations around the world's oceans, thereby generating 2567 operational taxonomic units (OTUs at the 97% sequence similarity level) in total and up to 364 different OTUs per sponge species. The taxonomic richness detected in this study comprised 25 bacterial phyla with Proteobacteria, Chloroflexi and Poribacteria being most diverse in sponges. Among these phyla were nine candidate phyla, six of them found for the first time in sponges. Similarity comparison of bacterial communities revealed no correlation with host phylogeny but a tropical sub-population in that tropical sponges have more similar bacterial communities to each other than to subtropical sponges. A minimal core bacterial community consisting of very few OTUs (97%, 95% and 90%) was found. These microbes have a global distribution and are probably acquired via environmental transmission. In contrast, a large species-specific bacterial community was detected, which is represented by OTUs present in only a single sponge species. The species-specific bacterial community is probably mainly vertically transmitted. It is proposed that different sponges contain different bacterial species, however, these bacteria are still closely related to each other explaining the observed similarity of bacterial communities in sponges in this and previous studies. This global analysis represents the most comprehensive study of bacterial symbionts in sponges to date and provides novel insights into the complex structure of these unique associations.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1038/ismej.2011.116
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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