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1

Park, Jin-Sook. "Bacterial diversity of the Marine Sponge, Halichondria panicea by ARDRA and DGGE." Korean Journal of Microbiology 51, no. 4 (December 31, 2015): 398–406. http://dx.doi.org/10.7845/kjm.2015.5069.

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2

Thomassen, S., and HU Riisgård. "Growth and energetics of the sponge Halichondria panicea." Marine Ecology Progress Series 128 (1995): 239–46. http://dx.doi.org/10.3354/meps128239.

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3

Nagle, Dale G., William C. McClatchey, and William H. Gerwick. "New Glycosphingolipids from the Marine Sponge Halichondria panicea." Journal of Natural Products 55, no. 7 (July 1992): 1013–17. http://dx.doi.org/10.1021/np50085a032.

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4

Purushottama, GB, K. Venkateshvaran, K. Pani Prasad, and P. Nalini. "Bioactivities of extracts from the marine sponge Halichondria panicea." Journal of Venomous Animals and Toxins including Tropical Diseases 15, no. 3 (2009): 444–59. http://dx.doi.org/10.1590/s1678-91992009000300007.

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5

Wichels, Antje, Sven Würtz, Hilke Döpke, Christian Schütt, and Gunnar Gerdts. "Bacterial diversity in the breadcrumb sponge Halichondria panicea (Pallas)." FEMS Microbiology Ecology 56, no. 1 (April 2006): 102–18. http://dx.doi.org/10.1111/j.1574-6941.2006.00067.x.

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6

Reincke, T., and D. Barthel. "Silica uptake kinetics of Halichondria panicea in Kiel Bight." Marine Biology 129, no. 4 (October 29, 1997): 591–93. http://dx.doi.org/10.1007/s002270050200.

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7

Kealy, Rachael A., Thomas Busk, Josephine Goldstein, Poul S. Larsen, and Hans Ulrik Riisgård. "Hydrodynamic characteristics of aquiferous modules in the demosponge Halichondria panicea." Marine Biology Research 15, no. 10 (November 26, 2019): 531–40. http://dx.doi.org/10.1080/17451000.2019.1694691.

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8

Hadjieva, P., S. Popov, B. Budevska, Al Dyulgerov, and St Andreev. "Terpenoids from a Black Sea Bryozoan Conopeum seuratum." Zeitschrift für Naturforschung C 42, no. 9-10 (October 1, 1987): 1019–22. http://dx.doi.org/10.1515/znc-1987-9-1001.

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Abstract In the Bryozoan Conopeum seuratum six esterified monoterpene alcohols, three free monoter-pene alcohols, three monoterpene ketones, two monoterpene aldehydes, four esters of diterpene acids, two diterpene acids and one triterpene acid were identified, most of them new for marine organisms. Some non-terpenoid compounds were identified too. Preliminary investigation on the terpenoids of the Black Sea sponge Halichondria panicea was performed and its terpenoid composition was compared with those of C. seuratum.
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9

Schneemann, Imke, Kerstin Nagel, Inga Kajahn, Antje Labes, Jutta Wiese, and Johannes F. Imhoff. "Comprehensive Investigation of Marine Actinobacteria Associated with the Sponge Halichondria panicea." Applied and Environmental Microbiology 76, no. 11 (April 9, 2010): 3702–14. http://dx.doi.org/10.1128/aem.00780-10.

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ABSTRACT Representatives of Actinobacteria were isolated from the marine sponge Halichondria panicea collected from the Baltic Sea (Germany). For the first time, a comprehensive investigation was performed with regard to phylogenetic strain identification, secondary metabolite profiling, bioactivity determination, and genetic exploration of biosynthetic genes, especially concerning the relationships of the abundance of biosynthesis gene fragments to the number and diversity of produced secondary metabolites. All strains were phylogenetically identified by 16S rRNA gene sequence analyses and were found to belong to the genera Actinoalloteichus, Micrococcus, Micromonospora, Nocardiopsis, and Streptomyces. Secondary metabolite profiles of 46 actinobacterial strains were evaluated, 122 different substances were identified, and 88 so far unidentified compounds were detected. The extracts from most of the cultures showed biological activities. In addition, the presence of biosynthesis genes encoding polyketide synthases (PKSs) and nonribosomal peptide synthetases (NRPSs) in 30 strains was established. It was shown that strains in which either PKS or NRPS genes were identified produced a significantly higher number of metabolites and exhibited a larger number of unidentified, possibly new metabolites than other strains. Therefore, the presence of PKS and NRPS genes is a good indicator for the selection of strains to isolate new natural products.
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10

Frøhlich, H., and D. Barthel. "Silica uptake of the marine sponge Halichondria panicea in Kiel Bight." Marine Biology 128, no. 1 (April 24, 1997): 115–25. http://dx.doi.org/10.1007/s002270050075.

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11

Carballeira, Néstor M. "Isolation of (Z)-17-tetracosenal from the marine sponge halichondria panicea." Chemistry and Physics of Lipids 39, no. 4 (March 1986): 365–68. http://dx.doi.org/10.1016/0009-3084(86)90118-0.

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12

Elenkov, Ivayh, Simeon Popov, and Stoitze Andreev. "Sterol Composition of the Black Sea Sponges Hymeniacidon sanguinea (Grant) and Halichondria panicea (Pallas)." Zeitschrift für Naturforschung C 54, no. 11 (November 1, 1999): 972–76. http://dx.doi.org/10.1515/znc-1999-1119.

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Abstract The sterol composition of Hymeniacidon sanguinea and Halichondria panicea from the Black Sea was investigated. Both sponges contain similar mixtures of stanols and of dietary Δ5-sterols. Main sterols appeared to be C27-sterols, which could be connected with a common diet for the both sponges. Saturated short side chain sterols have been found in Hymeniaci­don sanguinea. Three of them were novel for sponges. A possibility for the transformation of some dietary sterols into stands is discussed.
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13

Wardani, Nindya Pramesti, Achmad Toto Poernomo, and Isnaeni Isnaeni. "Optimasi Kondisi Fermentasi pada Produksi Metabolit Antibakteri dari Bacillus tequilensis BSMF Simbiotik Halichondria panicea." JURNAL FARMASI DAN ILMU KEFARMASIAN INDONESIA 8, no. 2 (August 29, 2021): 187. http://dx.doi.org/10.20473/jfiki.v8i22021.187-193.

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Pendahuluan: Resistensi antibakteri merupakan masalah kesehatan global yang dialami hampir di seluruh negara. Eksplorasi antibakteri dari sumber baru seperti tumbuhan, hewan, dan mikroorganisme baik yang hidup bebas maupun bersimbiosis menjadi solusi alternatif untuk mengatasi resistensi antibakteri. Mikroorganisme berupa bakteri ditargetkan sebagai sumber antibakteri yang berkelanjutan karena jumlahnya melimpah dan mudah dalam proses pembiakan. Bakteri yang hidup bersimbiosis diketahui dapat memproduksi metabolit antibakteri berspektrum lebih luas dibandingkan bakteri yang hidup bebas. Bakteri dapat bersimbiosis dengan berbagai makhluk hidup termasuk organisme multiseluler seperti spons. Isolat Bacillus tequilensis BSMF yang bersimbiosis dengan Halichondria panicea dari Perairan Cabbiya Madura menunjukkan adanya produksi metabolit yang memiliki aktivitas antibakteri. Tujuan: Menentukan pH dan suhu optimum untuk produksi metabolit antibakteri dari Bacillus tequilensis BSMF simbiotik Halichondria panicea. Metode: Produksi metabolit antibakteri dilakukan dengan metode fermentasi padat pada media Potato Dextrose Agar (PDA) yang telah diatur pH dan suhu inkubasinya, sedangkan uji aktivitas antibakteri terhadap Staphylococcus aureus ATCC 25923 dan Eschericia coli ATCC 25922 dilakukan menggunakan metode difusi agar. Penentuan aktivitas antibakteri dilakukan melalui pengukuran diameter zona hambat. Hasil: pH media yang menunjukkan aktivitas antibakteri optimum Bacillus tequilensis BSMF terhadap Staphylococcus aureus ATCC 25923 dan Eschericia coli ATCC 25922 adalah 8 ± 0,5 pada suhu inkubasi 32 ± 1oC dengan rata- rata indeks aktivitas antibakteri berturut- turut 2,74 ± 0,07 dan 3,39 ± 0,07. Kesimpulan: pH dan suhu optimum yang diperoleh adalah pH 8 ± 0,5 dan suhu 32 ± 1oC.
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14

Knowlton, A. L., B. J. Pierson, S. L. Talbot, and R. C. Highsmith. "Isolation and characterization of microsatellite loci in the intertidal sponge Halichondria panicea." Molecular Ecology Notes 3, no. 4 (October 2003): 560–62. http://dx.doi.org/10.1046/j.1471-8286.2003.00511.x.

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15

Wolfrath, Birgit, and Dagmar Barthel. "Production of faecal pellets by the marine sponge Halichondria panicea Pallas (1766)." Journal of Experimental Marine Biology and Ecology 129, no. 1 (July 1989): 81–94. http://dx.doi.org/10.1016/0022-0981(89)90064-6.

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16

Huong, Doan Thi Mai. "SECONDARY METABOLITES PRODUCED BY MARINE ACTINOMYCETE STREPTOMYCES SP. G246." Vietnam Journal of Science and Technology 59, no. 1 (January 15, 2021): 1. http://dx.doi.org/10.15625/2525-2518/58/6/15176.

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In a recent study, we described two new lavandulylated flavonoids, along with eight known compounds from the culture broth of a Streptomyces sp. (strain G246), isolated from the sponge Halichondria panicea, collected in the sea of Son Tra peninsula (Da Nang). A comparison study was conducted to differentiate between solid and liquid fermentation technique for secondary metabolites production of strain G246. In this paper, we report the isolation and structural characterization of 9 secondary metabolites (1-9) from strain G246 by solid state fermentation. Compound 3 was the only one similarity between these fermentation techniques.
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17

Khalaman, Vyacheslav V., Alexander Yu Komendantov, Nina S. Golubovskaya, and Polina A. Manoylina. "Comparative efficiency of Mytilus edulis as engineering species for shallow-water fouling communities on artificial structures in the White Sea." Journal of the Marine Biological Association of the United Kingdom 101, no. 3 (May 2021): 511–25. http://dx.doi.org/10.1017/s0025315421000424.

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AbstractCurrently, there is little comparative data on ‘efficiency’ of different engineering species, i.e. species richness, density and biomass of the associated organisms that have been supported by engineering species. The use of fouling communities makes it possible to compare the efficiency of different engineering species under the same conditions, which is necessary to obtain correct estimates and difficult to do when studying natural bottom communities. In this study, we have analysed the fouling communities in four different mussel culture farms in the White Sea to test the following hypotheses. (1) Different engineering species (mussel Mytilus edulis, solitary ascidian Styela rustica, sponge Halichondria panicea) have different assemblages of the associated vagile fauna. (2) Mytilus edulis is the most efficient engineering species, i.e. species richness, species diversity, density and biomass of the associated vagile fauna is higher in the mussel communities than in those dominated by Styela rustica or Halichondria panicea. The first hypothesis was confirmed, while the second was rejected. In all the culture farms studied, all parameters of the mussel-associated vagile fauna were not higher and in most cases were even lower than those of the fauna associated with ascidians or sponges. The reason for this seems to be the very dense packing of mussels in patches. Therefore, Mytilus edulis is not the most efficient engineering species among fouling organisms, at least in the conditions of the subarctic White Sea. The data obtained are particularly important in view of the ever-increasing volume of anthropogenic substrate and fouling communities in coastal marine ecosystems.
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18

Howson, C. M., and S. J. Chambers. "Ophlitaspongia and Ophlitaspongia papilla reinstated, and a new species of Ophlitaspongia described (Porifera: Demospongiae: Microcionidae)." Journal of the Marine Biological Association of the United Kingdom 79, no. 4 (August 1999): 609–20. http://dx.doi.org/10.1017/s0025315498000770.

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A new species of Ophlitaspongia (Porifera: Microcionidae) from wave-exposed sublittoral rock in the north-east Atlantic is described and compared to the two other species recorded from the genus in the north-east Atlantic. The species known as Ophlitaspongia seriata is considered to be a junior synonym of Halichondria panicea. Consequently, the name O. papilla has been reinstated. The other recorded species O. basifixa, is from deep water. Ophlitaspongia basifixa has characters which differentiate it from Ophlitaspongia sp. nov. The genus Ophlitaspongia has been separated from related genera and reinstated for species in the North Atlantic.
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19

Hummel, H., ABJ Sepers, L. de Wolf, and FW Melissen. "Bacterial growth of the marine sponge Halichondria panicea induced by reduced waterflow rate." Marine Ecology Progress Series 42 (1988): 195–98. http://dx.doi.org/10.3354/meps042195.

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20

Barthel, D., and B. Wolfrath. "Tissue sloughing in the sponge Halichondria panicea: a fouling organism prevents being fouled." Oecologia 78, no. 3 (1989): 357–60. http://dx.doi.org/10.1007/bf00379109.

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21

Kamiya, Hisao, Koji Muramoto, and Rina Goto. "Purification and Characterization of a Lectin from a Marine Sponge Halichondria panicea." NIPPON SUISAN GAKKAISHI 56, no. 7 (1990): 1159. http://dx.doi.org/10.2331/suisan.56.1159.

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22

Rizzo, Carmen, Christoph Syldatk, Rudolf Hausmann, Berna Gerçe, Caterina Longo, Maria Papale, Antonella Conte, Emilio De Domenico, Luigi Michaud, and Angelina Lo Giudice. "The demospongeHalichondria (Halichondria) panicea(Pallas, 1766) as a novel source of biosurfactant-producing bacteria." Journal of Basic Microbiology 58, no. 6 (March 23, 2018): 532–42. http://dx.doi.org/10.1002/jobm.201700669.

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23

Khalaman, V. V., and A. Yu Komendantov. "Structure of fouling communities formed by Halichondria panicea (Porifera: Demospongiae) in the White Sea." Russian Journal of Ecology 42, no. 6 (October 25, 2011): 493–501. http://dx.doi.org/10.1134/s1067413611050080.

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24

Kumala, L., HU Riisgård, and DE Canfield. "Osculum dynamics and filtration activity in small single-osculum explants of the demosponge Halichondria panicea." Marine Ecology Progress Series 572 (May 31, 2017): 117–28. http://dx.doi.org/10.3354/meps12155.

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25

Nakamura, Hideshi, Bin Ye, and Akio Murai. "Synthesis of (±)-halipanicine, a marine sesquiterpene isothiocyanate isolated from an Okinawan marine sponge Halichondria panicea." Tetrahedron Letters 33, no. 52 (December 1992): 8113–16. http://dx.doi.org/10.1016/s0040-4039(00)74733-2.

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26

NAKAMURA, Hideshi, Songzhi DENG, Masako TAKAMATSU, Jun''ichi KOBAYASHI, Yasushi OHIZUMI, and Yoshimasa HIRATA. "Structure of halipanicine, a new sesquiterpene isothiocyanate from the Okinawan marine soonge Halichondria panicea(Pallas)." Agricultural and Biological Chemistry 55, no. 2 (1991): 581–83. http://dx.doi.org/10.1271/bbb1961.55.581.

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27

Kravtsova, T. R., I. V. Lazebnaya, O. E. Lazebny, E. Yu Volkova, T. A. Fedorenko, O. A. Gorelova, O. I. Baulina, E. S. Lobakova, A. E. Vasetenkov, and O. A. Koksharova. "Molecular phylogeny of a green microalga isolated from White Sea sponge Halichondria panicea (Pallas, 1766)." Russian Journal of Plant Physiology 60, no. 4 (June 18, 2013): 536–40. http://dx.doi.org/10.1134/s1021443713040067.

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28

Costello, MJ, and AA Myers. "Amphipod fauna of the sponges Halichondria panicea and Hymeniaci-don perleve in Lough Hyne, Ireland." Marine Ecology Progress Series 41 (1987): 115–21. http://dx.doi.org/10.3354/meps041115.

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29

Schönberg, C. H. L., and D. Barthel. "Inorganic skeleton of the demosponge Halichondria panicea . Seasonality in spicule production in the Baltic Sea." Marine Biology 130, no. 2 (December 15, 1997): 133–40. http://dx.doi.org/10.1007/s002270050232.

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30

Ando, Yasuhiro, Yasunosuke Kawabata, Keiichi Narukawa, and Torn Ota. "Demospongic Acids of the Marine Sponge Halichondria panicea from the Coast of Hokkaido, Japan." Fisheries science 64, no. 1 (1998): 136–39. http://dx.doi.org/10.2331/fishsci.64.136.

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31

Abdjul, Delfly B., Hiroyuki Yamazaki, Syu-ichi Kanno, Ohgi Takahashi, Ryota Kirikoshi, Kazuyo Ukai, and Michio Namikoshi. "Haliclonadiamine Derivatives and 6-epi-Monanchorin from the Marine Sponge Halichondria panicea Collected at Iriomote Island." Journal of Natural Products 79, no. 4 (April 2016): 1149–54. http://dx.doi.org/10.1021/acs.jnatprod.6b00095.

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32

Toth, GB, and M. Lindeborg. "Water-soluble compounds from the breadcrumb sponge Halichondria panicea deter attachment of the barnacle Balanus improvisus." Marine Ecology Progress Series 354 (February 7, 2008): 125–32. http://dx.doi.org/10.3354/meps07275.

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33

Vad, J., F. Dunnett, F. Liu, C. C. Montagner, J. M. Roberts, and T. B. Henry. "Soaking up the oil: Biological impacts of dispersants and crude oil on the sponge Halichondria panicea." Chemosphere 257 (October 2020): 127109. http://dx.doi.org/10.1016/j.chemosphere.2020.127109.

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34

Khalaman, Vyacheslav, Natalia Chalisova, Konstantin Krasnov, and Marina Alexandrova. "Cytostatic activity in the hydrophilic fraction of the crude extract from the White Sea sponge Halichondria panicea." Biological Communications 64, no. 1 (2019): 41–45. http://dx.doi.org/10.21638/spbu03.2019.105.

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35

Perovic, Sanja, Antje Wichels, Christian Schütt, Gunnar Gerdts, Sabine Pahler, Renate Steffen, and Werner E. G. Müller. "Neuroactive compounds produced by bacteria from the marine sponge Halichondria panicea: activation of the neuronal NMDA receptor." Environmental Toxicology and Pharmacology 6, no. 2 (October 1998): 125–33. http://dx.doi.org/10.1016/s1382-6689(98)00028-3.

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36

Barthel, D. "On the ecophysiology of the sponge Halichondria panicea in Kiel Bight. I. Substrate specificity, growth and reproduction." Marine Ecology Progress Series 32 (1986): 291–98. http://dx.doi.org/10.3354/meps032291.

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37

Sokolova, Agniya M., Igor R. Pozdnyakov, Alexander V. Ereskovsky, and Sergey A. Karpov. "Kinetid structure in larval and adult stages of the demosponges Haliclona aquaeductus (Haplosclerida) and Halichondria panicea (Suberitida)." Zoomorphology 138, no. 2 (February 18, 2019): 171–84. http://dx.doi.org/10.1007/s00435-019-00437-5.

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38

Witte, Ursula, Dagmar Barthel, and Ole Tendal. "The reproductive cycle of the sponge Halichondria panicea Pallas (1766) and its relationship to temperature and salinity." Journal of Experimental Marine Biology and Ecology 183, no. 1 (October 1994): 41–52. http://dx.doi.org/10.1016/0022-0981(94)90155-4.

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39

Christophersen, Carsten, Uffe Anthoni, Per Halfdan Nielsen, Niels Jacobsen, and Ole Secher Tendal. "Source of a nauseating stench from the marine sponge, Halichondria panicea, collected at Clever Bank in the North Sea." Biochemical Systematics and Ecology 17, no. 6 (November 1989): 459–61. http://dx.doi.org/10.1016/0305-1978(89)90024-0.

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40

Hansen, Inge V., Jason M. Weeks, and Michael H. Depledge. "Accumulation of copper, zinc, cadmium and chromium by the marine sponge Halichondria panicea Pallas and the implications for biomonitoring." Marine Pollution Bulletin 31, no. 1-3 (January 1995): 133–38. http://dx.doi.org/10.1016/0025-326x(94)00228-2.

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41

Goldstein, Josephine, Hans Ulrik Riisgård, and Poul S. Larsen. "Exhalant jet speed of single-osculum explants of the demosponge Halichondria panicea and basic properties of the sponge-pump." Journal of Experimental Marine Biology and Ecology 511 (February 2019): 82–90. http://dx.doi.org/10.1016/j.jembe.2018.11.009.

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42

Rodriguez Jimenez, A., E. Dechamps, A. Giaux, L. Goetghebuer, M. Bauwens, P. Willenz, S. Flahaut, M. S. Laport, and I. F. George. "The sponges Hymeniacidon perlevis and Halichondria panicea are reservoirs of antibiotic‐producing bacteria against multi‐drug resistant Staphylococcus aureus." Journal of Applied Microbiology 131, no. 2 (January 29, 2021): 706–18. http://dx.doi.org/10.1111/jam.14999.

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43

van Soest, Rob W. M., Mario J. de Kluijver, Peter H. van Bragt, Marco Faasse, Reindert Nijland, Elly J. Beglinger, Wallie H. de Weerdt, and Nicole J. de Voogd. "Sponge invaders in Dutch coastal waters." Journal of the Marine Biological Association of the United Kingdom 87, no. 6 (December 2007): 1733–48. http://dx.doi.org/10.1017/s002531540705816x.

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Continuous monitoring by scientists and volunteers of the Biological Working Group of the Dutch SubAqua Union and the ‘Anemoon’ Foundation over the past four years, yielded a surprising six new records of sponges for Dutch coastal waters. Oscarella lobularis, Celtodoryx girardae, Suberites virgultosus, Haliclona (Haliclona) simulans, Halisarca aff. dujardini, and a species identified as Leucosolenia somesii were unknown from Dutch coastal waters before 2000. The latter is a giant calcareous sponge, seemingly belonging to the common Leucosolenia variabilis, but here assumed to be an invader as well, as it has spicular characters well outside the variation found in the majority of Dutch L. variabilis specimens. It is likely a member of a ‘forgotten’ species, L. somesii. Habit photographs, SEM images of the spicules, and for O. lobularis and H. aff. dujardini, photographs of histological sections are provided to substantiate these new records. With the exception of C. girardae, most of the species resemble previously described widespread north-east Atlantic species, occurring in the area to the south and west of the Netherlands, so it is assumed pending future genetic research that at least several of the invaders comprise range extensions related to rising winter temperatures. Possibly, recent shellfish imports may be an additional causal agent. We also report the occurrence of unprecedented spicular deviations observed in three sponge species commonly occurring in Dutch waters, Halichondria (Halichondria) panicea, Hymeniacidon perlevis and Haliclona (Soestella) xena, which grew in small inland water bodies. Possibly, the limited space in these inland waters with possible stress factors for sponges such as reduced water exchange, and deviating chemistry, have caused the sponges to form stunted growth in spicules varying from rhabds with rounded endings to silica spheroids. We provide an updated list of sponges found in Dutch waters and a list of suspected or proven invaders of Dutch waters.
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44

Lee, On On, Yue Him Wong, and Pei-Yuan Qian. "Inter- and Intraspecific Variations of Bacterial Communities Associated with Marine Sponges from San Juan Island, Washington." Applied and Environmental Microbiology 75, no. 11 (April 10, 2009): 3513–21. http://dx.doi.org/10.1128/aem.00002-09.

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ABSTRACT This study attempted to assess whether conspecific or congeneric sponges around San Juan Island, Washington, harbor specific bacterial communities. We used a combination of culture-independent DNA fingerprinting techniques (terminal restriction fragment length polymorphism and denaturing gradient gel electrophoresis [DGGE]) and culture-dependent approaches. The results indicated that the bacterial communities in the water column consisted of more diverse bacterial ribotypes than and were drastically different from those associated with the sponges. High levels of similarity in sponge-associated bacterial communities were found only in Myxilla incrustans and Haliclona rufescens, while the bacterial communities in Halichondria panicea varied substantially among sites. Certain terminal restriction fragments or DGGE bands were consistently obtained for different individuals of M. incrustans and H. rufescens collected from different sites, suggesting that there are stable or even specific associations of certain bacteria in these two sponges. However, no specific bacterial associations were found for H. panicea or for any one sponge genus. Sequencing of nine DGGE bands resulted in recovery of seven sequences that best matched the sequences of uncultured Proteobacteria. Three of these sequences fell into the sponge-specific sequence clusters previously suggested. An uncultured alphaproteobacterium and a culturable Bacillus sp. were found exclusively in all M. incrustans sponges, while an uncultured gammaproteobacterium was unique to H. rufescens. In contrast, the cultivation approach indicated that sponges contained a large proportion of Firmicutes, especially Bacillus, and revealed large variations in the culturable bacterial communities associated with congeneric and conspecific sponges. This study revealed sponge species-specific but not genus- or site-specific associations between sponges and bacterial communities and emphasized the importance of using a combination of techniques for studying microbial communities.
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Lüskow, F., HU Riisgård, V. Solovyeva, and JR Brewer. "Seasonal changes in bacteria and phytoplankton biomass control the condition index of the demosponge Halichondria panicea in temperate Danish waters." Marine Ecology Progress Series 608 (January 3, 2019): 119–32. http://dx.doi.org/10.3354/meps12785.

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46

Riisgård, HU, S. Thomassen, H. Jakobsen, JM Weeks, and PS Larsen. "Suspension feeding in marine sponges Halichondria panicea and Haliclona urceolus:effects of temperature on filtration rate and energy cost of pumping." Marine Ecology Progress Series 96 (1993): 177–88. http://dx.doi.org/10.3354/meps096177.

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47

LONGO, C., F. CARDONE, M. MERCURIO, C. NONNIS MARZANO, C. PIERRI, and G. CORRIERO. "Spatial and temporal distributions of the sponge fauna insouthern Italian lagoon systems." Mediterranean Marine Science 17, no. 1 (February 23, 2015): 174. http://dx.doi.org/10.12681/mms.1426.

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The present work focused on the taxonomic composition, spatial distributions, and temporal distributions of the sponge fauna from the main lagoon systems of southern Italy: Lesina, Varano, Taranto, Alimini, Faro, Ganzirri, Tindari and Marsala. Overall, 62 sponge species were recorded, belonging to the classes Demospongiae (52 species), Calcarea (8) and Homoscleromorpha (2). All the lagoon systems studied hosted sponges, even if with marked differences. Species richness varied from one (Lesina) to 45 (Marsala). A large number of the species recorded during this study (52%) was found only at a single site, whereas a species only (Halichondria (H.) panicea) was present in all the environments studied. Sponges colonised all available substrates. Salinity was the ecological factort hat best explained the spatial distribution of sponges, even though the wide heterogeneity of sponge assemblages, strongly suggests an important role of stochastic factors acting on pre- and post-settlement phases. Comparison of the present data with lists available from the literature shows that sponge assemblages from most of the studied lagoons were quite persistent. However, in some of the lagoons remarkable extinction processes, probably related to massive and prolonged anthropogenic pressures, have contributed to large changes in the sponge patterns.
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Barthel, D. "On the ecophysiology of the sponge Halichondria panicea in Kiel Bight. II. Biomass, production, energy budget and integration in environmental processes." Marine Ecology Progress Series 43 (1988): 87–93. http://dx.doi.org/10.3354/meps043087.

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49

Adameyko, Kim I., Anton V. Burakov, Alexander D. Finoshin, Kirill V. Mikhailov, Oksana I. Kravchuk, Olga S. Kozlova, Nicolay G. Gornostaev, et al. "Conservative and Atypical Ferritins of Sponges." International Journal of Molecular Sciences 22, no. 16 (August 11, 2021): 8635. http://dx.doi.org/10.3390/ijms22168635.

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Ferritins comprise a conservative family of proteins found in all species and play an essential role in resistance to redox stress, immune response, and cell differentiation. Sponges (Porifera) are the oldest Metazoa that show unique plasticity and regenerative potential. Here, we characterize the ferritins of two cold-water sponges using proteomics, spectral microscopy, and bioinformatic analysis. The recently duplicated conservative HdF1a/b and atypical HdF2 genes were found in the Halisarca dujardini genome. Multiple related transcripts of HpF1 were identified in the Halichondria panicea transcriptome. Expression of HdF1a/b was much higher than that of HdF2 in all annual seasons and regulated differently during the sponge dissociation/reaggregation. The presence of the MRE and HRE motifs in the HdF1 and HdF2 promotor regions and the IRE motif in mRNAs of HdF1 and HpF indicates that sponge ferritins expression depends on the cellular iron and oxygen levels. The gel electrophoresis combined with specific staining and mass spectrometry confirmed the presence of ferric ions and ferritins in multi-subunit complexes. The 3D modeling predicts the iron-binding capacity of HdF1 and HpF1 at the ferroxidase center and the absence of iron-binding in atypical HdF2. Interestingly, atypical ferritins lacking iron-binding capacity were found in genomes of many invertebrate species. Their function deserves further research.
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Althoff, K., C. Schütt, R. Steffen, R. Batel, and W. E. G. Müller. "Evidence for a symbiosis between bacteria of the genus Rhodobacter and the marine sponge Halichondria panicea : harbor also for putatively toxic bacteria?" Marine Biology 130, no. 3 (February 9, 1998): 529–36. http://dx.doi.org/10.1007/s002270050273.

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