Academic literature on the topic 'Marine sponge-associated bacteria'

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Journal articles on the topic "Marine sponge-associated bacteria"

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Anteneh, Yitayal S., Qi Yang, Melissa H. Brown, and Christopher M. M. Franco. "Antimicrobial Activities of Marine Sponge-Associated Bacteria." Microorganisms 9, no. 1 (2021): 171. http://dx.doi.org/10.3390/microorganisms9010171.

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The misuse and overuse of antibiotics have led to the emergence of multidrug-resistant microorganisms, which decreases the chance of treating those infected with existing antibiotics. This resistance calls for the search of new antimicrobials from prolific producers of novel natural products including marine sponges. Many of the novel active compounds reported from sponges have originated from their microbial symbionts. Therefore, this study aims to screen for bioactive metabolites from bacteria isolated from sponges. Twelve sponge samples were collected from South Australian marine environmen
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Satheesh, Sathianeson, Idris Abdulrahman, Mohsen El-Sherbiny, and Sathianeson Satheesh. "Activity of cell-free supernatant from Sponge associated bacteria against the growth and bacterial adhesion of microfouling Bacteria." Journal of King Abdulaziz University: Marine Sciences 33, no. 2 (2023): 15–25. https://doi.org/10.4197/mar.33-2.2.

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This study was carried out to evaluate the activity of cell free supernatant (CFS) from sponge associated bacteria against the growth and bacterial adhesion of biofilm bacteria. A sponge was collected from the Red Sea by Scuba diving and identified as Hyrtios erectus. After washing and cleaning to remove loosely attached bacteria, endophytic bacteria were isolated from the sponge by serial dilution method using Zobell Marine Agar (ZMA) as growth medium. Pure culture of the bacteria obtained were then identified by 16s rRNA gene sequencing method. The cell free supernatant (CFS) from two strain
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Montalvo, Naomi F., and Russell T. Hill. "Sponge-Associated Bacteria Are Strictly Maintained in Two Closely Related but Geographically Distant Sponge Hosts." Applied and Environmental Microbiology 77, no. 20 (2011): 7207–16. http://dx.doi.org/10.1128/aem.05285-11.

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ABSTRACTThe giant barrel spongesXestospongiamutaandXestospongiatestudinariaare ubiquitous in tropical reefs of the Atlantic and Pacific Oceans, respectively. They are key species in their respective environments and are hosts to diverse assemblages of bacteria. These two closely related sponges from different oceans provide a unique opportunity to examine the evolution of sponge-associated bacterial communities. Mitochondrial cytochrome oxidase subunit I gene sequences fromX.mutaandX.testudinariashowed little divergence between the two species. A detailed analysis of the bacterial communities
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Webster, Nicole S., Kate J. Wilson, Linda L. Blackall, and Russell T. Hill. "Phylogenetic Diversity of Bacteria Associated with the Marine Sponge Rhopaloeides odorabile." Applied and Environmental Microbiology 67, no. 1 (2001): 434–44. http://dx.doi.org/10.1128/aem.67.1.434-444.2001.

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ABSTRACT Molecular techniques were employed to document the microbial diversity associated with the marine sponge Rhopaloeides odorabile. The phylogenetic affiliation of sponge-associated bacteria was assessed by 16S rRNA sequencing of cloned DNA fragments. Fluorescence in situ hybridization (FISH) was used to confirm the presence of the predominant groups indicated by 16S rDNA analysis. The community structure was extremely diverse with representatives of theActinobacteria, low-G+C gram-positive bacteria, the β- and γ-subdivisions of the Proteobacteria,Cytophaga/Flavobacterium, green sulfur b
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Sipkema, Detmer, Klaske Schippers, Wouter J. Maalcke, Yu Yang, Sina Salim, and Harvey W. Blanch. "Multiple Approaches To Enhance the Cultivability of Bacteria Associated with the Marine SpongeHaliclona(gellius) sp." Applied and Environmental Microbiology 77, no. 6 (2011): 2130–40. http://dx.doi.org/10.1128/aem.01203-10.

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ABSTRACTThree methods were examined to cultivate bacteria associated with the marine spongeHaliclona(gellius) sp.: agar plate cultures, liquid cultures, and floating filter cultures. A variety of oligotrophic media were employed, including media with aqueous and organic sponge extracts, bacterial signal molecules, and siderophores. More than 3,900 isolates were analyzed, and 205 operational taxonomic units (OTUs) were identified. Media containing low concentrations of mucin or a mixture of peptone and starch were most successful for the isolation of diversity, while the commonly used marine br
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Deutsch, Jessica M., Madison O. Green, Priyanka Akavaram, et al. "Limited Metabolomic Overlap between Commensal Bacteria and Marine Sponge Holobionts Revealed by Large Scale Culturing and Mass Spectrometry-Based Metabolomics: An Undergraduate Laboratory Pedagogical Effort at Georgia Tech." Marine Drugs 21, no. 1 (2023): 53. http://dx.doi.org/10.3390/md21010053.

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Sponges are the richest source of bioactive organic small molecules, referred to as natural products, in the marine environment. It is well established that laboratory culturing-resistant symbiotic bacteria residing within the eukaryotic sponge host matrix often synthesize the natural products that are detected in the sponge tissue extracts. However, the contributions of the culturing-amenable commensal bacteria that are also associated with the sponge host to the overall metabolome of the sponge holobiont are not well defined. In this study, we cultured a large library of bacteria from three
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Erwin, Patrick M., Lucía Pita, Susanna López-Legentil, and Xavier Turon. "Stability of Sponge-Associated Bacteria over Large Seasonal Shifts in Temperature and Irradiance." Applied and Environmental Microbiology 78, no. 20 (2012): 7358–68. http://dx.doi.org/10.1128/aem.02035-12.

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ABSTRACTComplex microbiomes reside in marine sponges and consist of diverse microbial taxa, including functional guilds that may contribute to host metabolism and coastal marine nutrient cycles. Our understanding of these symbiotic systems is based primarily on static accounts of sponge microbiota, while their temporal dynamics across seasonal cycles remain largely unknown. Here, we investigated temporal variation in bacterial symbionts of three sympatric sponges (Irciniaspp.) over 1.5 years in the northwestern (NW) Mediterranean Sea, using replicated terminal restriction fragment length polym
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Schirmer, Andreas, Rishali Gadkari, Christopher D. Reeves, Fadia Ibrahim, Edward F. DeLong, and C. Richard Hutchinson. "Metagenomic Analysis Reveals Diverse Polyketide Synthase Gene Clusters in Microorganisms Associated with the Marine Sponge Discodermia dissoluta." Applied and Environmental Microbiology 71, no. 8 (2005): 4840–49. http://dx.doi.org/10.1128/aem.71.8.4840-4849.2005.

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ABSTRACT Sponge-associated bacteria are thought to produce many novel bioactive compounds, including polyketides. PCR amplification of ketosynthase domains of type I modular polyketide synthases (PKS) from the microbial community of the marine sponge Discodermia dissoluta revealed great diversity and a novel group of sponge-specific PKS ketosynthase domains. Metagenomic libraries totaling more than four gigabases of bacterial genomes associated with this sponge were screened for type I modular PKS gene clusters. More than 90% of the clones in total sponge DNA libraries represented bacterial DN
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Sharp, Koty H., Boreth Eam, D. John Faulkner, and Margo G. Haygood. "Vertical Transmission of Diverse Microbes in the Tropical Sponge Corticium sp." Applied and Environmental Microbiology 73, no. 2 (2006): 622–29. http://dx.doi.org/10.1128/aem.01493-06.

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ABSTRACT Sponges are host to extremely diverse bacterial communities, some of which appear to be spatiotemporally stable, though how these consistent associations are assembled and maintained from one sponge generation to the next is not well understood. Here we report that a diverse group of microbes, including both bacteria and archaea, is consistently present in aggregates within embryos of the tropical sponge Corticium sp. The major taxonomic groups represented in bacterial 16S rRNA sequences amplified from the embryos are similar to those previously described in a variety of marine sponge
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SUNNY, FRANSISCA, TRI HANDAYANI KURNIATI, and ARIANI HATMANTI. "ISOLASI DAN KARAKTERISASI BAKTERI PENGHASIL SENYAWA ANTIBAKTERI YANG BERASOSIASI DENGAN KARANG BATU DARI PERAIRAN BITUNG DAN SPONS DARI SELAT MAKASSAR." BIOMA 11, no. 1 (2015): 42. http://dx.doi.org/10.21009/bioma11(1).5.

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 Recently the needs of antibacterial compounds is increasing. This is due to the bacterial resistence to common antibacterial compounds. coral and sponge-ssociated bacteria are potential producer of antibacterial compounds. This research was aim to obtain coral and sponge-associated bacteria that could produce antibacterial compound. coral associated-bacteria was isolated from Bitung and was isolated in Marine Agar by pour plate method. The antibacterial compounds were obtained by extraction using ethyl acetate and acetone. The antibacterial assay was performed by agar diffusion
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Dissertations / Theses on the topic "Marine sponge-associated bacteria"

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Matobole, Relebohile Matthew. "Matrix comparison of isolation conditions for secondary metabolite producing marine sponge associated bacteria." University of the Western Cape, 2015. http://hdl.handle.net/11394/4754.

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>Magister Scientiae - MSc<br>The discovery of novel secondary metabolites has declined significantly in recent years whereas there is a rise in the number of multi-drug resistant pathogens and other types of diseases. The decline in natural product discovery was due to high rediscovery of already known compounds and the costs in developing natural products. As a result pharmaceutical companies lost interest in investing in natural product discovery. However, there is a renewed interest in marine sponge associated microorganisms as a rich and untapped source of secondary metabolites. The object
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Negandhi, Karita L. "Microbial Communities with Emphasis on Coral Disease-Associated Bacteria within Florida Reef Sponges." NSUWorks, 2009. http://nsuworks.nova.edu/occ_stuetd/109.

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Previous studies have shown that bacteria associated with coral diseases are not found in the surrounding water column at detectable levels, yet at the same time, coral diseases are becoming more prominent. Sponges are coral reef residents, which expel filtered seawater that is practically sterile of microbes. Therefore sponges harbor very diverse and abundant microbial communities. This leads to the possibility that coral disease associated bacteria (CDAB) may be present within reef sponge microcosms. In order to identify internal microbes, nonculturable techniques including fluorescent in si
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Yang, Yu-Ting, and 楊聿婷. "Antimicrobial activity and diversity of bacteria associated with marine sponge Theonella sp." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/05828431822010888942.

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碩士<br>國立東華大學<br>海洋生物科技研究所<br>101<br>Marine invertebrates such as sponges provide an important source for many unique microorganisms to produce new biologically active compounds. In the present study, a combination of culture-based and metagenomic approaches was used to characterize bacterial communities associated with marine sponge Theonella sp., collected at the inlet of the Third Nuclear Power Plant of Nanwan Bay in southern Taiwan. To increase the abundance of actinomycetes, the sponge extracts were treated with three different selective pretreatment methods and enriched with seven differe
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Book chapters on the topic "Marine sponge-associated bacteria"

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Murniasih, Tutik, Joko T. Wibowo, Masteria Y. Putra, Febriana Untari, and Rosinta Handinata. "Antibacterial Properties of Bacteria Associated with a Marine Sponge from Thousand Islands, Indonesia." In Proceedings of the 1st International Conference for Health Research – BRIN (ICHR 2022). Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-112-8_5.

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Anbuchezhian, Ramasamy, and Zhiyong Li. "Marine Sponge Craniella australiensis-Associated Bacterial Diversity." In Encyclopedia of Metagenomics. Springer US, 2015. http://dx.doi.org/10.1007/978-1-4899-7475-4_604.

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Anbuchezhian, Ramasamy, and Zhiyong Li. "Marine Sponge Craniella australiensis-Associated Bacterial Diversity." In Encyclopedia of Metagenomics. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-6418-1_604-2.

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De Rosa, Salvatore, Maya Mitova, Salvatore De Caro, and Giuseppina Tommonaro. "New Peptide from a Bacterium Associated with Marine Sponge Ircinia muscarum." In Biodiversity. Springer US, 2002. http://dx.doi.org/10.1007/978-1-4419-9242-0_42.

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