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Lo Giudice A, Papale M, Rizzo C, Giannarelli S, Caruso G, Aspholm PE, Maimone G, Azzaro M. First report on pollutant accumulation and associated microbial communities in the freshwater sponge Spongilla lacustris (Linnaeus, 1759) from the sub-Arctic Pasvik River (Norway). WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2024; 96:e11039. [PMID: 38787335 DOI: 10.1002/wer.11039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 04/30/2024] [Accepted: 05/02/2024] [Indexed: 05/25/2024]
Abstract
This explorative study was aimed at first characterizing the sponge Spongilla lacustris (Linnaeus, 1759) from the sub-Arctic Pasvik River (Northern Fennoscandia), in terms of associated microbial communities and pollutant accumulation. Persistent organic pollutants were determined in sponge mesohyl tissues, along with the estimation of the microbial enzymatic activity rates, prokaryotic abundance and morphometric traits, and the analysis of the taxonomic bacterial diversity by next-generation sequencing techniques. The main bacterial groups associated with S. lacustris were Alphaproteobacteria and Gammaproteobacteria, followed by Chloroflexi and Acidobacteria. The structure of the S. lacustris-associated bacterial communities was in sharp contrast to those of the bacterioplankton, being statistically close to those found in sediments. Dieldrin was measured at higher concentrations in the sponge tissues (3.1 ± 0.4 ng/g) compared to sediment of the same site (0.04 ± 0.03 ng/g). Some taxonomic groups were possibly related to the occurrence of certain contaminants, as was the case of Patescibacteria and dieldrin. Obtained results substantially contribute to the still scarce knowledge of bacterial community diversity, activities, and ecology in freshwater sponges. PRACTITIONER POINTS: Microbial community associated with Spongilla lacustris is probably shaped by the occurrence of certain contaminants, mainly dieldrin and heavy metals. A higher accumulation of dieldrin in the sponge mesohyl tissues than in sediment was determined. S. lacustris is suggested as sponge species to be used as a sentinel of pesticide pollution in the Pasvik River. S. lacustris, living in tight contact with soft substrates, harbored communities more similar to sediment than water communities.
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Affiliation(s)
- Angelina Lo Giudice
- Institute of Polar Sciences, National Research Council (CNR-ISP), Messina, Italy
| | - Maria Papale
- Institute of Polar Sciences, National Research Council (CNR-ISP), Messina, Italy
| | - Carmen Rizzo
- Institute of Polar Sciences, National Research Council (CNR-ISP), Messina, Italy
- Department of Marine Biotechnology, Zoological Station "Anton Dohrn", Messina, Italy
| | - Stefania Giannarelli
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
| | - Gabriella Caruso
- Institute of Polar Sciences, National Research Council (CNR-ISP), Messina, Italy
| | | | - Giovanna Maimone
- Institute of Polar Sciences, National Research Council (CNR-ISP), Messina, Italy
| | - Maurizio Azzaro
- Institute of Polar Sciences, National Research Council (CNR-ISP), Messina, Italy
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Metagenomic analysis reveals a green sulfur bacterium as a potential coral symbiont. Sci Rep 2017; 7:9320. [PMID: 28839161 PMCID: PMC5571212 DOI: 10.1038/s41598-017-09032-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 07/20/2017] [Indexed: 01/27/2023] Open
Abstract
Coral reefs are ecologically significant habitats. Coral-algal symbiosis confers ecological success on coral reefs and coral-microbial symbiosis is also vital to coral reefs. However, current understanding of coral-microbial symbiosis on a genomic scale is largely unknown. Here we report a potential microbial symbiont in corals revealed by metagenomics-based genomic study. Microbial cells in coral were enriched for metagenomic analysis and a high-quality draft genome of “Candidatus Prosthecochloris korallensis” was recovered by metagenome assembly and genome binning. Phylogenetic analysis shows “Ca. P. korallensis” belongs to the Prosthecochloris clade and is clustered with two Prosthecochloris clones derived from Caribbean corals. Genomic analysis reveals “Ca. P. korallensis” has potentially important ecological functions including anoxygenic photosynthesis, carbon fixation via the reductive tricarboxylic acid (rTCA) cycle, nitrogen fixation, and sulfur oxidization. Core metabolic pathway analysis suggests “Ca. P. korallensis” is a green sulfur bacterium capable of photoautotrophy or mixotrophy. Potential host-microbial interaction reveals a symbiotic relationship: “Ca. P. korallensis” might provide organic and nitrogenous nutrients to its host and detoxify sulfide for the host; the host might provide “Ca. P. korallensis” with an anaerobic environment for survival, carbon dioxide and acetate for growth, and hydrogen sulfide as an electron donor for photosynthesis.
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Axenov-Gribanov D, Rebets Y, Tokovenko B, Voytsekhovskaya I, Timofeyev M, Luzhetskyy A. The isolation and characterization of actinobacteria from dominant benthic macroinvertebrates endemic to Lake Baikal. Folia Microbiol (Praha) 2015; 61:159-68. [PMID: 26347255 DOI: 10.1007/s12223-015-0421-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 08/25/2015] [Indexed: 01/18/2023]
Abstract
The high demand for new antibacterials fosters the isolation of new biologically active compounds producing actinobacteria. Here, we report the isolation and initial characterization of cultured actinobacteria from dominant benthic organisms' communities of Lake Baikal. Twenty-five distinct strains were obtained from 5 species of Baikal endemic macroinvertebrates of amphipods, freshwater sponges, turbellaria worms, and insects (caddisfly larvae). The 16S ribosomal RNA (rRNA)-based phylogenic analysis of obtained strains showed their affiliation to Streptomyces, Nocardia, Pseudonocardia, Micromonospora, Aeromicrobium, and Agromyces genera, revealing the diversity of actinobacteria associated with the benthic organisms of Lake Baikal. The biological activity assays showed that 24 out of 25 strains are producing compounds active against at least one of the test cultures used, including Gram-negative bacteria and Candida albicans. Complete dereplication of secondary metabolite profiles of two isolated strains led to identification of only few known compounds, while the majority of detected metabolites are not listed in existing antibiotic databases.
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Affiliation(s)
| | - Yuriy Rebets
- Helmholtz Institute for Pharmaceutical Research Saarland, Saarbrucken, Germany
| | - Bogdan Tokovenko
- Helmholtz Institute for Pharmaceutical Research Saarland, Saarbrucken, Germany
| | | | - Maxim Timofeyev
- Institute of Biology at Irkutsk State University, Irkutsk, Russia
| | - Andriy Luzhetskyy
- Helmholtz Institute for Pharmaceutical Research Saarland, Saarbrucken, Germany
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Bauvais C, Zirah S, Piette L, Chaspoul F, Domart-Coulon I, Chapon V, Gallice P, Rebuffat S, Pérez T, Bourguet-Kondracki ML. Sponging up metals: bacteria associated with the marine sponge Spongia officinalis. MARINE ENVIRONMENTAL RESEARCH 2015; 104:20-30. [PMID: 25575352 DOI: 10.1016/j.marenvres.2014.12.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 12/22/2014] [Accepted: 12/24/2014] [Indexed: 06/04/2023]
Abstract
The present study explored the bacteria of the sponge Spongia officinalis in a metal-polluted environment, using PCR-DGGE fingerprinting, culture-dependent approaches and in situ hybridization. The sponge samples collected over three consecutive years in the Western Mediterranean Sea contained high concentrations of zinc, nickel, lead and copper determined by ICP-MS. DGGE signatures indicated a sponge specific bacterial association and suggested spatial and temporal variations. The bacterial culturable fraction associated with S. officinalis and tolerant to heavy metals was isolated using metal-enriched microbiological media. The obtained 63 aerobic strains were phylogenetically affiliated to the phyla Proteobacteria, Actinobacteria, and Firmicutes. All isolates showed high tolerances to the selected heavy metals. The predominant genus Pseudovibrio was localized via CARD-FISH in the sponge surface tissue and validated as a sponge-associated epibiont. This study is the first step in understanding the potential involvement of the associated bacteria in sponge's tolerance to heavy metals.
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Affiliation(s)
- Cléa Bauvais
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, CNRS/MNHN UMR 7245, Muséum National d'Histoire Naturelle, 57 rue Cuvier (CP 54), 75005 Paris, France; Université Pierre et Marie Curie, 75005 Paris, France
| | - Séverine Zirah
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, CNRS/MNHN UMR 7245, Muséum National d'Histoire Naturelle, 57 rue Cuvier (CP 54), 75005 Paris, France
| | - Laurie Piette
- Laboratoire des Interactions Protéines Métal, CEA, DSV, IBEB, SBVME, Bât 185, CEA de Cadarache, 13108 Saint-Paul-Lez-Durance, France; CNRS, UMR 7265, Bât 185, CEA de Cadarache, 13108 Saint-Paul-Lez-Durance, France; Université d'Aix-Marseille, Bât 185, CEA de Cadarache, 13108 Saint-Paul-Lez-Durance, France
| | - Florence Chaspoul
- Laboratoire de Physique Chimie Prévention des risques, Faculté de Pharmacie, 13385 Marseille Cedex 5, France; Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale, Aix-Marseille Université, UMR CNRS 7263, IRD 237, 13385 Marseille Cedex 5, France
| | - Isabelle Domart-Coulon
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, CNRS/MNHN UMR 7245, Muséum National d'Histoire Naturelle, 57 rue Cuvier (CP 54), 75005 Paris, France
| | - Virginie Chapon
- Laboratoire des Interactions Protéines Métal, CEA, DSV, IBEB, SBVME, Bât 185, CEA de Cadarache, 13108 Saint-Paul-Lez-Durance, France; CNRS, UMR 7265, Bât 185, CEA de Cadarache, 13108 Saint-Paul-Lez-Durance, France; Université d'Aix-Marseille, Bât 185, CEA de Cadarache, 13108 Saint-Paul-Lez-Durance, France
| | - Philippe Gallice
- Laboratoire de Physique Chimie Prévention des risques, Faculté de Pharmacie, 13385 Marseille Cedex 5, France; Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale, Aix-Marseille Université, UMR CNRS 7263, IRD 237, 13385 Marseille Cedex 5, France
| | - Sylvie Rebuffat
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, CNRS/MNHN UMR 7245, Muséum National d'Histoire Naturelle, 57 rue Cuvier (CP 54), 75005 Paris, France
| | - Thierry Pérez
- Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale, Aix-Marseille Université, UMR 7263 CNRS 7263, IRD 237, Station Marine d'Endoume, Rue de la Batterie des Lions, 13007 Marseille, France
| | - Marie-Lise Bourguet-Kondracki
- Laboratoire Molécules de Communication et Adaptation des Micro-organismes, CNRS/MNHN UMR 7245, Muséum National d'Histoire Naturelle, 57 rue Cuvier (CP 54), 75005 Paris, France.
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