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Papazachariou V, Fernández-Juárez V, Parfrey LW, Riemann L. Nitrogen Fixation and Microbial Communities Associated with Decomposing Seagrass Leaves in Temperate Coastal Waters. MICROBIAL ECOLOGY 2024; 87:106. [PMID: 39141097 PMCID: PMC11324715 DOI: 10.1007/s00248-024-02424-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Accepted: 08/05/2024] [Indexed: 08/15/2024]
Abstract
Seagrass meadows play pivotal roles in coastal biochemical cycles, with nitrogen fixation being a well-established process associated with living seagrass. Here, we tested the hypothesis that nitrogen fixation is also associated with seagrass debris in Danish coastal waters. We conducted a 52-day in situ experiment to investigate nitrogen fixation (proxied by acetylene reduction) and dynamics of the microbial community (16S rRNA gene amplicon sequencing) and the nitrogen fixing community (nifH DNA/RNA amplicon sequencing) associated with decomposing Zostera marina leaves. The leaves harboured distinct microbial communities, including distinct nitrogen fixers, relative to the surrounding seawater and sediment throughout the experiment. Nitrogen fixation rates were measurable on most days, but highest on days 3 (dark, 334.8 nmol N g-1 dw h-1) and 15 (light, 194.6 nmol N g-1 dw h-1). Nitrogen fixation rates were not correlated with the concentration of inorganic nutrients in the surrounding seawater or with carbon:nitrogen ratios in the leaves. The composition of nitrogen fixers shifted from cyanobacterial Sphaerospermopsis to heterotrophic genera like Desulfopila over the decomposition period. On the days with highest fixation, nifH RNA gene transcripts were mainly accounted for by cyanobacteria, in particular by Sphaerospermopsis and an unknown taxon (order Nostocales), alongside Proteobacteria. Our study shows that seagrass debris in temperate coastal waters harbours substantial nitrogen fixation carried out by cyanobacteria and heterotrophic bacteria that are distinct relative to the surrounding seawater and sediments. This suggests that seagrass debris constitutes a selective environment where degradation is affected by the import of nitrogen via nitrogen fixation.
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Affiliation(s)
- Vasiliki Papazachariou
- Marine Biological Section, Department of Biology, University of Copenhagen, Helsingør, Denmark
- Center for Volatile Interactions, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Victor Fernández-Juárez
- Marine Biological Section, Department of Biology, University of Copenhagen, Helsingør, Denmark
| | - Laura Wegener Parfrey
- Biodiversity Research Centre, Department of Botany, and Department of Zoology, University of British Columbia, Vancouver, Canada
| | - Lasse Riemann
- Marine Biological Section, Department of Biology, University of Copenhagen, Helsingør, Denmark.
- Center for Volatile Interactions, Department of Biology, University of Copenhagen, Copenhagen, Denmark.
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2
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Li H, Li R, Kang J, Hii KS, Mohamed HF, Xu X, Luo Z. Okeanomitos corallinicola gen. and sp. nov. (Nostocales, Cyanobacteria), a new toxic marine heterocyte-forming Cyanobacterium from a coral reef. JOURNAL OF PHYCOLOGY 2024. [PMID: 38943258 DOI: 10.1111/jpy.13473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 05/05/2024] [Accepted: 05/11/2024] [Indexed: 07/01/2024]
Abstract
Cyanobacterial mats supplanting coral and spreading coral diseases in tropical reefs, intensified by environmental shifts caused by human-induced pressures, nutrient enrichment, and global climate change, pose grave risks to the survival of coral ecosystems. In this study, we characterized Okeanomitos corallinicola gen. and sp. nov., a newly discovered toxic marine heterocyte-forming cyanobacterium isolated from a coral reef ecosystem of the South China Sea. Phylogenetic analysis, based on the 16S rRNA gene and the secondary structure of the 16S-23S rRNA intergenic region, placed this species in a clade distinct from closely related genera, that is, Sphaerospermopsis stricto sensu, Raphidiopsis, and Amphiheterocytum. The O. corallinicola is a marine benthic species lacking gas vesicles, distinguishing it from other members of the Aphanizomenonaceae family. The genome of O. corallinicola is large and exhibits diverse functional capabilities, potentially contributing to the resilience and adaptability of coral reef ecosystems. In vitro assays revealed that O. corallinicola demonstrates notable cytotoxic activity against various cancer cell lines, suggesting its potential as a source of novel anticancer compounds. Furthermore, the identification of residual saxitoxin biosynthesis function in the genome of O. corallinicola, a marine cyanobacteria, supports the theory that saxitoxin genes in cyanobacteria and dinoflagellates may have been horizontally transferred between them or may have originated from a shared ancestor. Overall, the identification and characterization of O. corallinicola provides valuable contributions to cyanobacterial taxonomy, offering novel perspectives on complex interactions within coral reef ecosystems.
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Affiliation(s)
- Haiyan Li
- Key Laboratory of Marine Ecological Conservation and Restoration, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China
- Institute of Marine Drugs/Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
| | - Renhui Li
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
| | - Jianhua Kang
- Key Laboratory of Marine Ecological Conservation and Restoration, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China
| | - Kieng Soon Hii
- Bachok Marine Research Station, Institute of Ocean and Earth Sciences, University of Malaya, Bachok, Kelantan, Malaysia
| | - Hala F Mohamed
- Botany & Microbiology Department, Faculty of Science, Al-Azhar University (Girls Branch), Cairo, Egypt
| | - Xinya Xu
- Institute of Marine Drugs/Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
| | - Zhaohe Luo
- Key Laboratory of Marine Ecological Conservation and Restoration, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China
- Observation and Research Station of Coastal Wetland Ecosystem in Beibu Gulf, Ministry of Natural Resources, Beihai, China
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3
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Fernandes KA, Fadul JC, Fiore MF, Pinto E. A systematic review on guanitoxin: General characteristics and ecological risks. CHEMOSPHERE 2024; 352:141277. [PMID: 38307340 DOI: 10.1016/j.chemosphere.2024.141277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 11/17/2023] [Accepted: 01/20/2024] [Indexed: 02/04/2024]
Abstract
Guanitoxin (GNT) is a potent cyanotoxin, with a relatively low number of publications (n = 51) compared to other cyanotoxins. Among the published studies, 35 % were on the effect of the toxin in animals, mainly in rodents and in vitro testing, followed by studies that identified species of cyanobacteria that produce GNT in aquatic systems and consequently accidental poisoning in wild and domestic animals (27 %). Studies that developed or tested methods for identifying the molecule, based on colorimetric and analytical techniques, represented 14 %, while 8 % were on GNT biosynthesis. Review articles and chemical isolation (6 %) and on the stability of the molecule (4 %) were the topics with the lowest number of publications. The results show the occurrence of GNT was identified mainly in eutrophic environments with a higher incidence in the American continent. Chemical characteristics of the molecule, such as short half-life in the environment, instability in solutions with alkaline pH values, temperature >23 °C, added to the lack of an analytical standard, are factors that make it difficult to identify and quantify it. However, GNT monitoring can be performed using LC-MS-MRM methods or genes specific to the newly discovered molecule.
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Affiliation(s)
- Kelly Afonsina Fernandes
- Center for Nuclear Energy in Agriculture, University of São Paulo. Piracicaba, São Paulo, Brazil.
| | - Jéssica Chaves Fadul
- Center for Nuclear Energy in Agriculture, University of São Paulo. Piracicaba, São Paulo, Brazil
| | - Marli Fátima Fiore
- Center for Nuclear Energy in Agriculture, University of São Paulo. Piracicaba, São Paulo, Brazil
| | - Ernani Pinto
- Center for Nuclear Energy in Agriculture, University of São Paulo. Piracicaba, São Paulo, Brazil
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Goshtasbi H, Atazadeh E, Movafeghi A. Polyphasic study of three cyanobacteria species from Kani Barazan international wetland in the northwest of Iran using morphological, molecular, biochemical, and bioinformatics approaches. Biologia (Bratisl) 2022. [DOI: 10.1007/s11756-021-00940-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Differential Effect of Hydroxen Peroxide οn Toxic Cyanobacteria of Hypertrophic Mediterranean Waterbodies. SUSTAINABILITY 2021. [DOI: 10.3390/su14010123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cyanobacterial blooms have been known since ancient times; however, they are currently increasing globally. Human and ecological health risks posed by harmful cyanobacterial blooms have been recorded around the world. These risks are mainly associated with their ability to affect the ecosystem chain by different mechanisms like the production of cyanotoxins, especially microcystins. Their expansion and their harmful effects have led many researchers to seek techniques and strategies to control them. Among them, hydrogen peroxide could be a promising tool against cyanobacteria and cyanotoxins and it is well-established as an environmentally friendly oxidizing agent because of its rapid decomposition into oxygen and water. The aim of the present study was to evaluate the effect of hydrogen peroxide on phytoplankton from two hypertrophic waterbodies in Greece. The effect of hydrogen peroxide on concentration of microcystins found in the waterbodies was also studied. Treatment with 4 mg/L hydrogen peroxide was applied to water samples originated from the waterbodies and Cyanobacterial composition and biomass, phycocyanin, chlorophyll-a, and intra-cellular and total microcystin concentrations were studied. Cyanobacterial biomass and phycocyanin was reduced significantly after the application of 4 mg/L hydrogen peroxide in water treatment experiments while chlorophytes and extra-cellular microcystin concentrations were increased. Raphidiopsis (Cylindrospermopsis) raciborskii was the most affected cyanobacterial species after treatment of the water of the Karla Reservoir in comparison to Aphanizomenon favaloroi, Planktolyngbya limnetica, and Chroococcus sp. Furthermore, Microcystis aeruginosa was more resistant to the treatment of Pamvotis lake water in comparison with Microcystis wesenbergii and Microcystis panniformis. Our study showed that hydrogen peroxide differentially impacts the members of the phytoplankton community, affecting, thus, its overall efficacy. Different effects of hydrogen peroxide treatment were observed among cyanobacerial genera as well as among cyanobacterial species of the same genus. Different effects could be the result of the different resistance mechanisms of each genus or species to hydrogen peroxide. Hydrogen peroxide could be used as a treatment for the mitigation of cyanobacterial blooms in a waterbody; however, the biotic and abiotic characteristics of the waterbody should be considered.
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Johansen JR, González-Resendiz L, Escobar-Sánchez V, Segal-Kischinevzky C, Martínez-Yerena J, Hernández-Sánchez J, Hernández-Pérez G, León-Tejera H. When will taxonomic saturation be achieved? A case study in Nunduva and Kyrtuthrix (Rivulariaceae, Cyanobacteria). JOURNAL OF PHYCOLOGY 2021; 57:1699-1720. [PMID: 34289115 DOI: 10.1111/jpy.13201] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 05/12/2021] [Accepted: 06/08/2021] [Indexed: 06/13/2023]
Abstract
A number of heterocytous, mat-forming, tapering cyanobacteria in Rivulariaceae have recently been observed in both the Atlantic and Pacific coasts in the rocky intertidal and supratidal zones. These belong to the genera Nunduva, Kyrtuthrix, and Phyllonema and have been the subject of several recent studies. Herein, two new species of Nunduva (N. komarkovae and N. sanagustinensis) and two new species of Kyrtuthrix (K. munecosensis and K. totonaca) are characterized and described from the coasts of Mexico. Genetic separation based on the 16S-23S ITS region was pronounced (>10% in all comparisons). Morphological differences between all existing species in these two genera were also observed, but the group is morphologically complex, and these taxa are considered pseudocryptic. Nunduva and Kyrtuthrix remain morphologically and phylogenetically separate even with the addition of new species. However, how long will this remain the case? Many new genera and species of cyanobacteria have recently been described. Will the taxonomy of cyanobacteria eventually become saturated? Will we start to see multiple populations for the same cryptic species, or will future taxonomists collapse multiple species into fewer species, or multiple genera into single genera. The description of even more Nunduva and Kyrtuthrix species causes us to pause and evaluate the future of cyanobacterial taxonomy. These same questions are faced by algal taxonomists studying other phyla, and the resolution may ultimately be similar.
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Affiliation(s)
- Jeffrey R Johansen
- Department of Biology, John Carroll University, University Heights, Ohio, 44118, USA
- Department of Botany, University of South Bohemia, Branišovská 1760, Česke Budějovice, 370 05, Czech Republic
| | - Laura González-Resendiz
- Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana- Cuajimalpa, Av. Vasco de Quiroga 4871, Ciudad de México, C.P. 053000, Mexico
| | - Viviana Escobar-Sánchez
- Departamento de Biología Celular, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM), Coyoacán, Código Postal, Ciudad de México, 04510, Mexico
| | - Claudia Segal-Kischinevzky
- Departamento de Biología Celular, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM), Coyoacán, Código Postal, Ciudad de México, 04510, Mexico
| | - José Martínez-Yerena
- Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM), Coyoacán, Código Postal, Ciudad de México, 04510, Mexico
| | - Joaquín Hernández-Sánchez
- Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM), Coyoacán, Código Postal, Ciudad de México, 04510, Mexico
| | - Gabriela Hernández-Pérez
- Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM), Coyoacán, Código Postal, Ciudad de México, 04510, Mexico
| | - Hilda León-Tejera
- Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM), Coyoacán, Código Postal, Ciudad de México, 04510, Mexico
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Vašíček O, Hájek J, Bláhová L, Hrouzek P, Babica P, Kubala L, Šindlerová L. Cyanobacterial lipopeptides puwainaphycins and minutissamides induce disruptive and pro-inflammatory processes in Caco-2 human intestinal barrier model. HARMFUL ALGAE 2020; 96:101849. [PMID: 32560836 DOI: 10.1016/j.hal.2020.101849] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 05/25/2020] [Accepted: 05/27/2020] [Indexed: 05/24/2023]
Abstract
Puwainaphycins (PUW) and minutissamides (MIN) are cyanobacterial lipopeptides found in various cyanobacterial species. The first possible target of human exposure to them is intestinal epithelium but effect of PUW/MIN on enterocytes is not known at all. Using differentiated Caco-2 cells, PUW F was found to be cytotoxic from 5 µM concentration based on lactate dehydrogenase release assay and total protein concentration. However, it is also able to induce production of interleukin 8 in non-cytotoxic concentrations 1 and 2.5 µM detected by ELISA. Effects of MIN A and C were similar but less pronounced compared to PUW F. On the other hand, MIN D was the least toxic compound with no significant pro-inflammatory effects. Surprisingly, pro-inflammatory activation of the cells by PUW F and MIN C resulted in an increase in tight junction (TJ) protein claudin 4 expression determined by western blot analysis and confirmed by confocal microscopy. Furthermore, decrease in expression of zonula occludens 3, another TJ protein, was observed after the exposure to PUW F. Taken together, these cytotoxic lipopeptides, especially PUW F, are to be studied more deeply due to their capability to activate and/or deregulate human enterocytes in low concentrations.
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Affiliation(s)
- Ondřej Vašíček
- Institute of Biophysics of the Czech Academy of Sciences, Kralovopolska 135, Brno 612 65, Czech Republic.
| | - Jan Hájek
- Institute of Microbiology, Centre Algatech, The Czech Academy of Sciences, Novohradska 237, Trebon 379 80, Czech Republic.
| | - Lucie Bláhová
- RECETOX, Faculty of Science, Masaryk University, Kamenice 753/5, Brno 625 00, Czech Republic.
| | - Pavel Hrouzek
- Institute of Microbiology, Centre Algatech, The Czech Academy of Sciences, Novohradska 237, Trebon 379 80, Czech Republic.
| | - Pavel Babica
- RECETOX, Faculty of Science, Masaryk University, Kamenice 753/5, Brno 625 00, Czech Republic; Institute of Botany, The Czech Academy of Sciences, Lidická 25/27, Brno 602 00, Czech Republic.
| | - Lukáš Kubala
- Institute of Biophysics of the Czech Academy of Sciences, Kralovopolska 135, Brno 612 65, Czech Republic.
| | - Lenka Šindlerová
- Institute of Biophysics of the Czech Academy of Sciences, Kralovopolska 135, Brno 612 65, Czech Republic.
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Österholm J, Popin RV, Fewer DP, Sivonen K. Phylogenomic Analysis of Secondary Metabolism in the Toxic Cyanobacterial Genera Anabaena, Dolichospermum and Aphanizomenon. Toxins (Basel) 2020; 12:E248. [PMID: 32290496 PMCID: PMC7232259 DOI: 10.3390/toxins12040248] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 04/08/2020] [Accepted: 04/09/2020] [Indexed: 01/20/2023] Open
Abstract
Cyanobacteria produce an array of toxins that pose serious health risks to humans and animals. The closely related diazotrophic genera, Anabaena, Dolichospermum, and Aphanizomenon, frequently form poisonous blooms in lakes and brackish waters around the world. These genera form a complex now termed the Anabaena, Dolichospermum, and Aphanizomenon (ADA) clade and produce a greater array of toxins than any other cyanobacteria group. However, taxonomic confusion masks the distribution of toxin biosynthetic pathways in cyanobacteria. Here we obtained 11 new draft genomes to improve the understanding of toxin production in these genera. Comparison of secondary metabolite pathways in all available 31 genomes for these three genera suggests that the ability to produce microcystin, anatoxin-a, and saxitoxin is associated with specific subgroups. Each toxin gene cluster was concentrated or even limited to a certain subgroup within the ADA clade. Our results indicate that members of the ADA clade encode a variety of secondary metabolites following the phylogenetic clustering of constituent species. The newly sequenced members of the ADA clade show that phylogenetic separation of planktonic Dolichospermum and benthic Anabaena is not complete. This underscores the importance of taxonomic revision of Anabaena, Dolichospermum, and Aphanizomenon genera to reflect current phylogenomic understanding.
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Affiliation(s)
| | | | | | - Kaarina Sivonen
- Department of Microbiology, University of Helsinki, Viikinkaari 9, FI-00014 Helsinki, Finland; (J.Ö.); (R.V.P.); (D.P.F.)
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9
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Mareš J, Johansen JR, Hauer T, Zima J, Ventura S, Cuzman O, Tiribilli B, Kaštovský J. Taxonomic resolution of the genus Cyanothece (Chroococcales, Cyanobacteria), with a treatment on Gloeothece and three new genera, Crocosphaera, Rippkaea, and Zehria. JOURNAL OF PHYCOLOGY 2019; 55:578-610. [PMID: 30830691 DOI: 10.1111/jpy.12853] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 12/06/2018] [Indexed: 06/09/2023]
Abstract
The systematics of single-celled cyanobacteria represents a major challenge due to morphological convergence and application of various taxonomic concepts. The genus Cyanothece is one of the most problematic cases, as the name has been applied to oval-shaped coccoid cyanobacteria lacking sheaths with little regard to their phylogenetic position and details of morphology and ultrastructure. Hereby we analyze an extensive set of complementary genetic and phenotypic evidence to disentangle the relationships among these cyanobacteria. We provide diagnostic characters to separate the known genera Cyanothece, Gloeothece, and Aphanothece, and provide a valid description for Crocosphaera gen. nov. We describe two new genera, Rippkaea and Zehria, to characterize two distinct phylogenetic lineages outside the previously known genera. We further describe 13 new species in total including Cyanothece svehlovae, Gloeothece aequatorialis, G. aurea, G. bryophila, G. citriformis, G. reniformis, Gloeothece tonkinensis, G. verrucosa, Crocosphaera watsonii, C. subtropica, C. chwakensis, Rippkaea orientalis, and Zehria floridana to recognize the intrageneric diversity as rendered by polyphasic analysis. We discuss the close relationship of free-living cyanobacteria from the Crocosphaera lineage to nitrogen-fixing endosymbionts of marine algae. The current study includes several experimental strains (Crocosphaera and "Cyanothece") important for the study of diazotrophy and the global oceanic nitrogen cycle, and provides evidence suggesting ancestral N2 -fixing capability in the chroococcalean lineage.
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Affiliation(s)
- Jan Mareš
- Institute of Hydrobiology, Biology Centre, The Czech Academy of Sciences, Na Sádkách 7, CZ-37005, České Budějovice, Czech Republic
- Department of Botany, University of South Bohemia, Faculty of Science, Branišovská 1760, CZ-37005, České Budějovice, Czech Republic
| | - Jeffrey R Johansen
- Department of Botany, University of South Bohemia, Faculty of Science, Branišovská 1760, CZ-37005, České Budějovice, Czech Republic
- John Carroll University, Department of Biology, University Heights, Ohio, 44118, USA
| | - Tomáš Hauer
- Department of Botany, University of South Bohemia, Faculty of Science, Branišovská 1760, CZ-37005, České Budějovice, Czech Republic
- Institute of Botany, Academy of Sciences of the Czech Republic, Dukelská 135, CZ-37982, Třeboň, Czech Republic
| | - Jan Zima
- Institute of Botany, Academy of Sciences of the Czech Republic, Dukelská 135, CZ-37982, Třeboň, Czech Republic
- Department of Parasitology, Faculty of Science, University of South Bohemia, Branišovská 1760, CZ-37005, České Budějovice
| | - Stefano Ventura
- Firenze Unit, Institute of Ecosystem Study, National Research Council of Italy, via Madonna del Piano 10, I-500 19, Sesto Fiorentino, Italy
| | - Oana Cuzman
- Institute for the Conservation and Valorization of Cultural Heritage, National Research Council of Italy, via Madonna del Piano 10, I-500 19, Sesto Fiorentino, Italy
| | - Bruno Tiribilli
- Firenze Unit, Institute for Complex Systems, National Research Council of Italy, via Madonna del Piano 10, I-500 19, Sesto Fiorentino, Italy
| | - Jan Kaštovský
- Department of Botany, University of South Bohemia, Faculty of Science, Branišovská 1760, CZ-37005, České Budějovice, Czech Republic
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10
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Budzyńska A, Rosińska J, Pełechata A, Toporowska M, Napiórkowska-Krzebietke A, Kozak A, Messyasz B, Pęczuła W, Kokociński M, Szeląg-Wasielewska E, Grabowska M, Mądrecka B, Niedźwiecki M, Alcaraz Parraga P, Pełechaty M, Karpowicz M, Pawlik-Skowrońska B. Environmental factors driving the occurrence of the invasive cyanobacterium Sphaerospermopsis aphanizomenoides (Nostocales) in temperate lakes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 650:1338-1347. [PMID: 30308820 DOI: 10.1016/j.scitotenv.2018.09.144] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 09/06/2018] [Accepted: 09/10/2018] [Indexed: 05/13/2023]
Abstract
Cyanobacterial blooms are an increasing threat worldwide. Invasions of certain cyanobacterial species, mainly towards higher latitudes, add to this concern as they enrich the pool of potential bloom-formers in the invaded region. Among the numerous causes of this escalating process, climate warming is commonly considered the most crucial factor, but empirical studies of this issue are lacking. The aim of our study was to identify physical, chemical and biological factors related to the occurrence of an invasive cyanobacterium at the northern border of its putative current range, and thus enabling its expansion. This study focuses on the relatively little studied species Sphaerospermopsis aphanizomenoides (Nostocales, Cyanobacteria; synonyms: Aphanizomenon aphanizomenoides, Anabaena aphanizomenoides), which is predicted to become one of the main nuisance species of the future. Forty-nine freshwater lakes located between latitudes 51° and 55°N were examined for the presence of S. aphanizomenoides, and environmental factors that could drive its occurrence were studied simultaneously. To identify factors correlated with the presence of the species, principal component analysis (PCA) and Mann-Whitney U test were performed. Water temperature did not differentiate lakes with or without S. aphanizomenoides, however the study was conducted in a particularly hot summer. Total phosphorus concentration was identified as the primary driving factor of the occurrence of S. aphanizomenoides. The species grew in poor light conditions and high phytoplankton biomass, mainly in shallow lakes. As shown by detrended correspondence analysis (DCA), the species accompanied shade tolerant, eutrophic species of native and invasive cyanobacteria as well as eukaryotic algae. Our results indicate that eutrophication may be the primary factor enabling the increasing occurrence of S. aphanizomenoides in temperate environments, and suggest that this process may stimulate expansion of cyanobacterial species towards high latitudes.
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Affiliation(s)
- A Budzyńska
- Adam Mickiewicz University in Poznań, Faculty of Biology, Department of Water Protection, Umultowska 89, 61-614 Poznań, Poland.
| | - J Rosińska
- Adam Mickiewicz University in Poznań, Faculty of Biology, Department of Water Protection, Umultowska 89, 61-614 Poznań, Poland; Poznan University of Medical Sciences, Faculty of Health Sciences, Department of Environmental Medicine, Rokietnicka 8, 60-806 Poznań, Poland
| | - A Pełechata
- Adam Mickiewicz University in Poznań, Faculty of Biology, Department of Hydrobiology, Umultowska 89, 61-614 Poznań, Poland
| | - M Toporowska
- University of Life Sciences in Lublin, Department of Hydrobiology and Protection of Ecosystems, Dobrzańskiego 37, 20-262 Lublin, Poland
| | - A Napiórkowska-Krzebietke
- Inland Fisheries Institute, Department of Ichthyology, Hydrobiology and Aquatic Ecology, Oczapowskiego 10, 10-719 Olsztyn, Poland
| | - A Kozak
- Adam Mickiewicz University in Poznań, Faculty of Biology, Department of Water Protection, Umultowska 89, 61-614 Poznań, Poland
| | - B Messyasz
- Adam Mickiewicz University in Poznań, Faculty of Biology, Department of Hydrobiology, Umultowska 89, 61-614 Poznań, Poland
| | - W Pęczuła
- University of Life Sciences in Lublin, Department of Hydrobiology and Protection of Ecosystems, Dobrzańskiego 37, 20-262 Lublin, Poland
| | - M Kokociński
- Adam Mickiewicz University in Poznań, Faculty of Biology, Department of Hydrobiology, Umultowska 89, 61-614 Poznań, Poland
| | - E Szeląg-Wasielewska
- Adam Mickiewicz University in Poznań, Faculty of Biology, Department of Water Protection, Umultowska 89, 61-614 Poznań, Poland
| | - M Grabowska
- University of Białystok, Department of Hydrobiology, Ciołkowskiego 1J, 15-245 Białystok, Poland
| | - B Mądrecka
- Poznan University of Technology, Faculty of Civil and Environmental Engineering, Institute of Environmental Engineering, Berdychowo 4, 60-965 Poznań, Poland
| | - M Niedźwiecki
- University of Life Sciences in Lublin, Department of Hydrobiology and Protection of Ecosystems, Dobrzańskiego 37, 20-262 Lublin, Poland
| | - P Alcaraz Parraga
- University of Jaén, Department of Animal Biology, Plant Biology and Ecology, Campus Las Lagunillas, 23071 Jaén, Spain
| | - M Pełechaty
- Adam Mickiewicz University in Poznań, Faculty of Biology, Department of Hydrobiology, Umultowska 89, 61-614 Poznań, Poland
| | - M Karpowicz
- University of Białystok, Department of Hydrobiology, Ciołkowskiego 1J, 15-245 Białystok, Poland
| | - B Pawlik-Skowrońska
- University of Life Sciences in Lublin, Department of Hydrobiology and Protection of Ecosystems, Dobrzańskiego 37, 20-262 Lublin, Poland
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11
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Alternative Biosynthetic Starter Units Enhance the Structural Diversity of Cyanobacterial Lipopeptides. Appl Environ Microbiol 2019; 85:AEM.02675-18. [PMID: 30504214 DOI: 10.1128/aem.02675-18] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 11/28/2018] [Indexed: 12/24/2022] Open
Abstract
Puwainaphycins (PUWs) and minutissamides (MINs) are structurally analogous cyclic lipopeptides possessing cytotoxic activity. Both types of compound exhibit high structural variability, particularly in the fatty acid (FA) moiety. Although a biosynthetic gene cluster responsible for synthesis of several PUW variants has been proposed in a cyanobacterial strain, the genetic background for MINs remains unexplored. Herein, we report PUW/MIN biosynthetic gene clusters and structural variants from six cyanobacterial strains. Comparison of biosynthetic gene clusters indicates a common origin of the PUW/MIN hybrid nonribosomal peptide synthetase and polyketide synthase. Surprisingly, the biosynthetic gene clusters encode two alternative biosynthetic starter modules, and analysis of structural variants suggests that initiation by each of the starter modules results in lipopeptides of differing lengths and FA substitutions. Among additional modifications of the FA chain, chlorination of minutissamide D was explained by the presence of a putative halogenase gene in the PUW/MIN gene cluster of Anabaena minutissima strain UTEX B 1613. We detected PUW variants bearing an acetyl substitution in Symplocastrum muelleri strain NIVA-CYA 644, consistent with an O-acetyltransferase gene in its biosynthetic gene cluster. The major lipopeptide variants did not exhibit any significant antibacterial activity, and only the PUW F variant was moderately active against yeast, consistent with previously published data suggesting that PUWs/MINs interact preferentially with eukaryotic plasma membranes.IMPORTANCE Herein, we deciphered the most important biosynthetic traits of a prominent group of bioactive lipopeptides. We reveal evidence for initiation of biosynthesis by two alternative starter units hardwired directly in the same gene cluster, eventually resulting in the production of a remarkable range of lipopeptide variants. We identified several unusual tailoring genes potentially involved in modifying the fatty acid chain. Careful characterization of these biosynthetic gene clusters and their diverse products could provide important insight into lipopeptide biosynthesis in prokaryotes. Some of the variants identified exhibit cytotoxic and antifungal properties, and some are associated with a toxigenic biofilm-forming strain. The findings may prove valuable to researchers in the fields of natural product discovery and toxicology.
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12
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Stoykova P, Stoyneva-Gärtner M, Uzunov B, Gärtner G, Atanassov I, Draganova P, Borisova C. Morphological characterization and phylogenetic analysis of aeroterrestrial Vischeria/Eustigmatos strains with industrial potential. BIOTECHNOL BIOTEC EQ 2019. [DOI: 10.1080/13102818.2018.1561212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
- Petya Stoykova
- Plant Genetics Group, AgroBioInstitute, Agricultural Academy, Sofia, Bulgaria
| | - Maya Stoyneva-Gärtner
- Department of Botany, Faculty of Biology, Sofia University “St Kliment Ohridski”, Sofia, Bulgaria
| | - Blagoy Uzunov
- Department of Botany, Faculty of Biology, Sofia University “St Kliment Ohridski”, Sofia, Bulgaria
| | - Georg Gärtner
- Institut für Botanik, Fakultät für Biologie, Üniversitat Innsbruck, Austria
| | - Ivan Atanassov
- Plant Genetics Group, AgroBioInstitute, Agricultural Academy, Sofia, Bulgaria
| | - Petya Draganova
- Department of Botany, Faculty of Biology, Sofia University “St Kliment Ohridski”, Sofia, Bulgaria
| | - Cvetanka Borisova
- Department of Botany, Faculty of Biology, Sofia University “St Kliment Ohridski”, Sofia, Bulgaria
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13
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Sant'Anna CL, Gama WA, Rigonato J, Correa G, Mesquita MC, Marinho MM. Phylogenetic connection among close genera of Aphanizomenonaceae (Cyanobacteria): Amphiheterocytum gen. nov., Cylindrospermopsis and Sphaerospermopsis. ALGAL RES 2019. [DOI: 10.1016/j.algal.2018.11.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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14
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Christophoridis C, Zervou SK, Manolidi K, Katsiapi M, Moustaka-Gouni M, Kaloudis T, Triantis TM, Hiskia A. Occurrence and diversity of cyanotoxins in Greek lakes. Sci Rep 2018; 8:17877. [PMID: 30552354 PMCID: PMC6294760 DOI: 10.1038/s41598-018-35428-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 10/30/2018] [Indexed: 02/07/2023] Open
Abstract
Toxic cyanobacteria occur in Greek surface water bodies. However, studies on the occurrence of cyanotoxins (CTs) are often limited to mainly microcystins (MCs), with use of screening methods, such as ELISA, that are not conclusive of the chemical structure of the CT variants and can be subject to false positive results. A multi-lake survey in Greece (14 lakes) was conducted in water and biomass, targeted to a wide range of multi-class CTs including MCs, nodularin-R (NOD), cylindrospermopsin (CYN), anatoxin-a (ANA-a) and saxitoxins (STXs), using multi-class/variant LC-MS/MS analytical workflows, achieving sensitive detection, definitive identification and accurate quantitation. A wide variety of CTs (CYN, ANA-a, STX, neoSTX, dmMC-RR, MC-RR, MC-YR, MC-HtyR, dm3MC-LR, MC-LR, MC-HilR, MC-WR, MC-LA, MC-LY, MC-LW and MC-LF), were detected, with MCs being the most commonly occurring. In biomass, MC-RR was the most abundant toxin, reaching 754 ng mg−1 dw, followed by MC-LR (458 ng mg−1 dw). CYN and ANA-a were detected for the first time in the biomass of Greek lakes at low concentrations and STXs in lakes Trichonis, Vistonis and Petron. The abundance and diversity of CTs were also evaluated in relation to recreational health risks, in a case study with a proven history of MCs (Lake Kastoria).
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Affiliation(s)
- Christophoros Christophoridis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & Neapoleos 27, 15341, Athens, Greece
| | - Sevasti-Kiriaki Zervou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & Neapoleos 27, 15341, Athens, Greece
| | - Korina Manolidi
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & Neapoleos 27, 15341, Athens, Greece
| | - Matina Katsiapi
- School of Biology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Maria Moustaka-Gouni
- School of Biology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Triantafyllos Kaloudis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & Neapoleos 27, 15341, Athens, Greece.,Water Quality Control Department, Athens Water Supply and Sewerage Company - EYDAP SA, Athens, Greece
| | - Theodoros M Triantis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & Neapoleos 27, 15341, Athens, Greece
| | - Anastasia Hiskia
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos", Patr. Grigoriou E' & Neapoleos 27, 15341, Athens, Greece.
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15
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Driscoll CB, Meyer KA, Šulčius S, Brown NM, Dick GJ, Cao H, Gasiūnas G, Timinskas A, Yin Y, Landry ZC, Otten TG, Davis TW, Watson SB, Dreher TW. A closely-related clade of globally distributed bloom-forming cyanobacteria within the Nostocales. HARMFUL ALGAE 2018; 77:93-107. [PMID: 30005805 DOI: 10.1016/j.hal.2018.05.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 05/18/2018] [Accepted: 05/24/2018] [Indexed: 06/08/2023]
Abstract
In order to better understand the relationships among current Nostocales cyanobacterial blooms, eight genomes were sequenced from cultured isolates or from environmental metagenomes of recent planktonic Nostocales blooms. Phylogenomic analysis of publicly available sequences placed the new genomes among a group of 15 genomes from four continents in a distinct ADA clade (Anabaena/Dolichospermum/Aphanizomenon) within the Nostocales. This clade contains four species-level groups, two of which include members with both Anabaena-like and Aphanizomenon flos-aquae-like morphology. The genomes contain many repetitive genetic elements and a sizable pangenome, in which ABC-type transporters are highly represented. Alongside common core genes for photosynthesis, the differentiation of N2-fixing heterocysts, and the uptake and incorporation of the major nutrients P, N and S, we identified several gene pathways in the pangenome that may contribute to niche partitioning. Genes for problematic secondary metabolites-cyanotoxins and taste-and-odor compounds-were sporadically present, as were other polyketide synthase (PKS) and nonribosomal peptide synthetase (NRPS) gene clusters. By contrast, genes predicted to encode the ribosomally generated bacteriocin peptides were found in all genomes.
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Affiliation(s)
- Connor B Driscoll
- Department of Microbiology, Oregon State University, 226 Nash Hall, Corvallis, OR, 97331, USA
| | - Kevin A Meyer
- Department of Earth & Environmental Sciences, University of Michigan, Ann Arbor, MI 48109-1005, USA; Cooperative Institute for Great Lakes Research (CIGLR), University of Michigan, Ann Arbor, MI 48109-1005, USA
| | - Sigitas Šulčius
- Laboratory of Algology and Microbial Ecology, Akademijos Str. 2, LT-08412, Vilnius, Lithuania
| | - Nathan M Brown
- Department of Microbiology, Oregon State University, 226 Nash Hall, Corvallis, OR, 97331, USA
| | - Gregory J Dick
- Department of Earth & Environmental Sciences, University of Michigan, Ann Arbor, MI 48109-1005, USA
| | - Huansheng Cao
- Biodesign Center for Fundamental and Applied Microbiomics, Arizona State University, 427 E Tyler Mall, Tempe, AZ 85287, USA
| | - Giedrius Gasiūnas
- Department of Protein-DNA Interactions, Institute of Biotechnology, Vilnius University, Saulėtekio av. 7, LT-10257, Vilnius, Lithuania
| | - Albertas Timinskas
- Department of Bioinformatics, Institute of Biotechnology, Vilnius University, Saulėtekio 7, LT-10257 Vilnius, Lithuania
| | - Yanbin Yin
- Department of Biological Sciences, Northern Illinois University, DeKalb, IL, USA
| | - Zachary C Landry
- Department of Microbiology, Oregon State University, 226 Nash Hall, Corvallis, OR, 97331, USA
| | - Timothy G Otten
- Department of Microbiology, Oregon State University, 226 Nash Hall, Corvallis, OR, 97331, USA
| | - Timothy W Davis
- Department of Biological Sciences, Bowling Green State University, Bowling Green, OH 43402, USA
| | - Susan B Watson
- Environment and Climate Change Canada, Canada Centre for Inland Waters, Burlington, ON L7S 1A1, Canada
| | - Theo W Dreher
- Department of Microbiology, Oregon State University, 226 Nash Hall, Corvallis, OR, 97331, USA; Center for Genome Research and Biocomputing, Oregon State University, Corvallis, OR 97331, USA.
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16
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Duval C, Thomazeau S, Drelin Y, Yéprémian C, Bouvy M, Couloux A, Troussellier M, Rousseau F, Bernard C. Phylogeny and salt-tolerance of freshwater Nostocales strains: Contribution to their systematics and evolution. HARMFUL ALGAE 2018; 73:58-71. [PMID: 29602507 DOI: 10.1016/j.hal.2018.01.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 01/06/2018] [Accepted: 01/21/2018] [Indexed: 06/08/2023]
Abstract
Phylogenetic relationships among heterocytous genera (the Nostocales order) have been profoundly modified since the use of polyphasic approaches that include molecular data. There is nonetheless still ample scope for improving phylogenetic delineations of genera with broad ecological distributions, particularly by integrating specimens from specific or up-to-now poorly sampled habitats. In this context, we studied 36 new isolates belonging to Chrysosporum, Dolichospermum, Anabaena, Anabaenopsis, and Cylindrospermopsis from freshwater ecosystems of Burkina-Faso, Senegal, and Mayotte Island. Studying strains from these habitats is of particular interest as we suspected different range of salt variations during underwent periods of drought in small ponds and lakes. Such salt variation may cause different adaptation to salinity. We then undertook a polyphasic approach, combining molecular phylogenies, morphological analyses, and physiological measurements of tolerance to salinity. Molecular phylogenies of 117 Nostocales sequences showed that the 36 studied strains were distributed in seven lineages: Dolichospermum, Chrysosporum, Cylindrospermopsis/Raphidiopsis, Anabaenopsis, Anabaena sphaerica var tenuis/Sphaerospermopsis, and two independent Anabaena sphaerica lineages. Physiological data were congruent with molecular results supporting the separation into seven lineages. In an evolutionary context, salinity tolerance can be used as an integrative marker to reinforce the delineation of some cyanobacterial lineages. The history of this physiological trait contributes to a better understanding of processes leading to the divergence of cyanobacteria. In this study, most of the cyanobacterial strains isolated from freshwater environments were salt-tolerant, thus suggesting this trait constituted an ancestral trait of the heterocytous cyanobacteria and that it was probably lost two times secondarily and independently in the ancestor of Dolichospermum and of Cylindrospermopsis.
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Affiliation(s)
- Charlotte Duval
- UMR 7245 MCAM CNRS-MNHN, Muséum National d'Histoire Naturelle, CNRS, CP 39, 12 rue Buffon, F-75231 Paris Cedex 05, France
| | - Solène Thomazeau
- UMR 7245 MCAM CNRS-MNHN, Muséum National d'Histoire Naturelle, CNRS, CP 39, 12 rue Buffon, F-75231 Paris Cedex 05, France
| | - Yannick Drelin
- UMR 7245 MCAM CNRS-MNHN, Muséum National d'Histoire Naturelle, CNRS, CP 39, 12 rue Buffon, F-75231 Paris Cedex 05, France
| | - Claude Yéprémian
- UMR 7245 MCAM CNRS-MNHN, Muséum National d'Histoire Naturelle, CNRS, CP 39, 12 rue Buffon, F-75231 Paris Cedex 05, France
| | - Marc Bouvy
- UMR 9190 MARBEC, Université de Montpellier, CNRS, IRD Ifremer, CP 093, Place Eugène Bataillon, F-34095 Montpellier Cedex 5, France
| | - Arnaud Couloux
- Genoscope, Centre national de séquençage, 2, rue Gaston Crémieux, CP 5706, F-91057 Évry Cedex, France
| | - Marc Troussellier
- UMR 9190 MARBEC, Université de Montpellier, CNRS, IRD Ifremer, CP 093, Place Eugène Bataillon, F-34095 Montpellier Cedex 5, France
| | - Florence Rousseau
- UMR 7138ISYEB, Muséum National d'Histoire Naturelle, UPMC, CNRS, EPHE, CP39, 12 rue Buffon, F-75231 Paris Cedex 05, France
| | - Cécile Bernard
- UMR 7245 MCAM CNRS-MNHN, Muséum National d'Histoire Naturelle, CNRS, CP 39, 12 rue Buffon, F-75231 Paris Cedex 05, France.
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17
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Ramos V, Morais J, Castelo-Branco R, Pinheiro Â, Martins J, Regueiras A, Pereira AL, Lopes VR, Frazão B, Gomes D, Moreira C, Costa MS, Brûle S, Faustino S, Martins R, Saker M, Osswald J, Leão PN, Vasconcelos VM. Cyanobacterial diversity held in microbial biological resource centers as a biotechnological asset: the case study of the newly established LEGE culture collection. JOURNAL OF APPLIED PHYCOLOGY 2018; 30:1437-1451. [PMID: 29899596 PMCID: PMC5982461 DOI: 10.1007/s10811-017-1369-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 12/07/2017] [Accepted: 12/07/2017] [Indexed: 05/11/2023]
Abstract
Cyanobacteria are a well-known source of bioproducts which renders culturable strains a valuable resource for biotechnology purposes. We describe here the establishment of a cyanobacterial culture collection (CC) and present the first version of the strain catalog and its online database (http://lege.ciimar.up.pt/). The LEGE CC holds 386 strains, mainly collected in coastal (48%), estuarine (11%), and fresh (34%) water bodies, for the most part from Portugal (84%). By following the most recent taxonomic classification, LEGE CC strains were classified into at least 46 genera from six orders (41% belong to the Synechococcales), several of them are unique among the phylogenetic diversity of the cyanobacteria. For all strains, primary data were obtained and secondary data were surveyed and reviewed, which can be reached through the strain sheets either in the catalog or in the online database. An overview on the notable biodiversity of LEGE CC strains is showcased, including a searchable phylogenetic tree and images for all strains. With this work, 80% of the LEGE CC strains have now their 16S rRNA gene sequences deposited in GenBank. Also, based in primary data, it is demonstrated that several LEGE CC strains are a promising source of extracellular polymeric substances (EPS). Through a review of previously published data, it is exposed that LEGE CC strains have the potential or actual capacity to produce a variety of biotechnologically interesting compounds, including common cyanotoxins or unprecedented bioactive molecules. Phylogenetic diversity of LEGE CC strains does not entirely reflect chemodiversity. Further bioprospecting should, therefore, account for strain specificity of the valuable cyanobacterial holdings of LEGE CC.
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Affiliation(s)
- Vitor Ramos
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
- Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, Edifício FC4, 4169-007 Porto, Portugal
| | - João Morais
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Raquel Castelo-Branco
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Ângela Pinheiro
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Joana Martins
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Ana Regueiras
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
- Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, Edifício FC4, 4169-007 Porto, Portugal
| | - Ana L. Pereira
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Viviana R. Lopes
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
- Nanotechnology and Functional Materials, Department of Engineering Sciences, Uppsala University, Box 534, 751 21 Uppsala, Sweden
| | - Bárbara Frazão
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
- IPMA-Portuguese Institute of Sea and Atmosphere, Rua Alfredo Magalhães Ramalho, 6, 1495-006 Lisbon, Portugal
| | - Dina Gomes
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
- ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Cristiana Moreira
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Maria Sofia Costa
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Sébastien Brûle
- Master 2 Biotechnologie, Université de Bretagne-Sud, BP 92116, 56000 Lorient/Vannes, France
| | - Silvia Faustino
- Laboratory of Algae Cultivation and Bioprospection, Federal Amapá University (UNIFAP), Rodovia JK, km 2, Macapá, Amapá Brazil
| | - Rosário Martins
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
- Health and Environment Research Centre, School of Health, Polytechnic Institute of Porto, Rua Dr. António Bernardino de Almeida, 400, 4200-072 Porto, Portugal
| | - Martin Saker
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
- Alpha Environmental Solutions, P.O. Box 37977, Dubai, United Arab Emirates
| | - Joana Osswald
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Pedro N. Leão
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Vitor M. Vasconcelos
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
- Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, Edifício FC4, 4169-007 Porto, Portugal
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18
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Li X, Dreher TW, Li R. An overview of diversity, occurrence, genetics and toxin production of bloom-forming Dolichospermum (Anabaena) species. HARMFUL ALGAE 2016; 54:54-68. [PMID: 28073482 DOI: 10.1016/j.hal.2015.10.015] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Revised: 10/19/2015] [Accepted: 10/24/2015] [Indexed: 05/12/2023]
Abstract
The new genus name Dolichospermum, for most of the planktonic former members of the genus Anabaena, is one of the most ubiquitous bloom-forming cyanobacterial genera. Its dominance and persistence have increased in recent years, due to eutrophication from anthropogenic activities and global climate change. Blooms of Dolichospermum species, with their production of secondary metabolites that commonly include toxins, present a worldwide threat to environmental and public health. In this review, recent advances of the genus Dolichospermum are summarized, including taxonomy, genetics, bloom occurrence, and production of toxin and taste-and-odor compounds. The recent and continuing acquisition of genome sequences is ushering in new methods for monitoring and understanding the factors regulating bloom dynamics.
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Affiliation(s)
- Xiaochuang Li
- Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Theo W Dreher
- Department of Microbiology, Oregon State University, Corvallis, OR, USA; Center for Genome Research and Biocomputing, Oregon State University, Corvallis, OR, USA
| | - Renhui Li
- Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR China.
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19
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Cirés S, Ballot A. A review of the phylogeny, ecology and toxin production of bloom-forming Aphanizomenon spp. and related species within the Nostocales (cyanobacteria). HARMFUL ALGAE 2016; 54:21-43. [PMID: 28073477 DOI: 10.1016/j.hal.2015.09.007] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2015] [Accepted: 09/22/2015] [Indexed: 05/16/2023]
Abstract
The traditional genus Aphanizomenon comprises a group of filamentous nitrogen-fixing cyanobacteria of which several memebers are able to develop blooms and to produce toxic metabolites (cyanotoxins), including hepatotoxins (microcystins), neurotoxins (anatoxins and saxitoxins) and cytotoxins (cylindrospermopsin). This genus, representing geographically widespread and extensively studied cyanobacteria, is in fact heterogeneous and composed of at least five phylogenetically distant groups (Aphanizomenon, Anabaena/Aphanizomenon like cluster A, Cuspidothrix, Sphaerospermopsis and Chrysosporum) whose taxonomy is still under revision. This review provides a thorough insight into the phylogeny, ecology, biogeography and toxicogenomics (cyr, sxt, and ana genes) of the five best documented "Aphanizomenon" species with special relevance for water risk assessment: Aphanizomenon flos-aquae, Aphanizomenon gracile, Cuspidothrix issatschenkoi, Sphaerospermopsis aphanizomenoides and Chrysosporum ovalisporum. Aph. flos-aquae, Aph. gracile and C. issatschenkoi have been reported from temperate areas only whereas S. aphanizomenoides shows the widest distribution from the tropics to temperate areas. Ch. ovalisporum is found in tropical, subtropical and Mediterranean areas. While all five species show moderate growth rates (0.1-0.4day-1) within a wide range of temperatures (15-30°C), Aph. gracile and A. flos-aquae can grow from around (or below) 10°C, whereas Ch. ovalisporum and S. aphanizomenoides are much better competitors at high temperatures over 30°C or even close to 35°C. A. gracile has been confirmed as the producer of saxitoxins and cylindrospermopsin, C. issatschenkoi of anatoxins and saxitoxins and Ch. ovalisporum of cylindrospermopsin. The suspected cylindrospermopsin or anatoxin-a production of A. flos-aquae or microcystin production of S. aphanizomenoides is still uncertain. This review includes a critical discussion on the the reliability of toxicity reports and on the invasive potential of "Aphanizomenon" species in a climate change scenario, together with derived knowledge gaps and research needs. As a whole, this work is intended to represent a key reference for scientists and water managers involved in the major challenges of identifying, preventing and mitigating toxic Aphanizomenon blooms.
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Affiliation(s)
- Samuel Cirés
- Departamento de Biología, Darwin, 2, Universidad Autónoma de Madrid, 28049 Madrid, Spain; College of Marine and Environmental Sciences, James Cook University, Townsville 4811, QLD, Australia.
| | - Andreas Ballot
- Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349 Oslo, Norway
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A study of newly recorded genera and species of filamentous blue-green algae (Cyanophyceae, cyanobacteria) in Korea. ACTA ACUST UNITED AC 2015. [DOI: 10.5141/ecoenv.2015.062] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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21
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Korneva LG. Invasions of alien species of planktonic microalgae into the fresh waters of Holarctic (Review). RUSSIAN JOURNAL OF BIOLOGICAL INVASIONS 2014. [DOI: 10.1134/s2075111714020052] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Martins J, Leão PN, Ramos V, Vasconcelos V. N-terminal protease gene phylogeny reveals the potential for novel cyanobactin diversity in cyanobacteria. Mar Drugs 2013; 11:4902-16. [PMID: 24351973 PMCID: PMC3877893 DOI: 10.3390/md11124902] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2013] [Revised: 11/21/2013] [Accepted: 11/21/2013] [Indexed: 11/29/2022] Open
Abstract
Cyanobactins are a recently recognized group of ribosomal cyclic peptides produced by cyanobacteria, which have been studied because of their interesting biological activities. Here, we have used a PCR-based approach to detect the N-terminal protease (A) gene from cyanobactin synthetase gene clusters, in a set of diverse cyanobacteria from our culture collection (Laboratory of Ecotoxicology, Genomics and Evolution (LEGE) CC). Homologues of this gene were found in Microcystis and Rivularia strains, and for the first time in Cuspidothrix, Phormidium and Sphaerospermopsis strains. Phylogenetic relationships inferred from available A-gene sequences, including those obtained in this work, revealed two new groups of phylotypes, harboring Phormidium, Sphaerospermopsis and Rivularia LEGE isolates. Thus, this study shows that, using underexplored cyanobacterial strains, it is still possible to expand the known genetic diversity of genes involved in cyanobactin biosynthesis.
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Affiliation(s)
- Joana Martins
- Faculty of Sciences, University of Porto, Rua do Campo Alegre, Porto 4169-007, Portugal; E-Mails: (J.M.); (V.R.)
- CIIMAR/CIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, Porto 4050-123, Portugal; E-Mail:
| | - Pedro N. Leão
- CIIMAR/CIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, Porto 4050-123, Portugal; E-Mail:
| | - Vitor Ramos
- Faculty of Sciences, University of Porto, Rua do Campo Alegre, Porto 4169-007, Portugal; E-Mails: (J.M.); (V.R.)
- CIIMAR/CIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, Porto 4050-123, Portugal; E-Mail:
| | - Vitor Vasconcelos
- Faculty of Sciences, University of Porto, Rua do Campo Alegre, Porto 4169-007, Portugal; E-Mails: (J.M.); (V.R.)
- CIIMAR/CIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, Porto 4050-123, Portugal; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +351-22-340-18-37; Fax: +351-22-339-06-08
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23
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Bittencourt-Oliveira MDC, Piccin-Santos V, Moura AN, Aragão-Tavares NKC, Cordeiro-Araújo MK. Cyanobacteria, microcystins and cylindrospermopsin in public drinking supply reservoirs of Brazil. AN ACAD BRAS CIENC 2013; 86:297-310. [PMID: 24676169 DOI: 10.1590/0001-3765201302512] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Accepted: 05/08/2013] [Indexed: 11/22/2022] Open
Abstract
Brazil has a history of blooms and contamination of freshwater systems by cyanobacterial toxins. The monitoring relevance of toxins from cyanobacteria in reservoirs for public supply is notorious given its high toxicity to mammals, included humans beings. The most recurrent toxins in Brazilian water bodies are microcystins (MC). However, the recent record of cylindrospermopsin (CYN) in northeastern Brazil, Pernambuco state, alerts us to the possibility that this could be escalating. This study reports occurrence of MC and CYN, quantified with ELISA, in 10 reservoirs, devoted to public drinking supply in northeastern Brazil. The composition and quantification of the cyanobacteria community associated with these water bodies is also presented. From 23 samples investigated for the presence of MC, and CYN, 22 and 8 out were positive, respectively. Considering the similarity of the cyanobacteria communities found in reservoirs from Pernambuco, including toxin-producing species associated to MC and CYN, we suggest that geographic spreading can be favored by these factors. These issues emphasize the need for increased monitoring of MC and CYN in drinking supply reservoirs in Brazil.
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Affiliation(s)
| | - Viviane Piccin-Santos
- Departamento de Ciencias Biologicas, Escola Superior de Agricultura Luiz de Queiroz, Universidade de Sao Paulo, Piracicaba, SP, Brasil
| | - Ariadne N Moura
- Programa de Pos-Graduacao em Botanica, Universidade Federal Rural de Pernambuco, Recife, PE, Brasil
| | - Nísia K C Aragão-Tavares
- Programa de Pos-Graduacao em Botanica, Universidade Federal Rural de Pernambuco, Recife, PE, Brasil
| | - Micheline K Cordeiro-Araújo
- Departamento de Ciencias Biologicas, Escola Superior de Agricultura Luiz de Queiroz, Universidade de Sao Paulo, Piracicaba, SP, Brasil
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Genuário DB, Corrêa DM, Komárek J, Fiore MF. Characterization of freshwater benthic biofilm-forming Hydrocoryne (Cyanobacteria) isolates from Antarctica. JOURNAL OF PHYCOLOGY 2013; 49:1142-1153. [PMID: 27007634 DOI: 10.1111/jpy.12124] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2013] [Accepted: 08/27/2013] [Indexed: 06/05/2023]
Abstract
The aims of this work were to study cyanobacterial isolates resembling the genus Hydrocoryne using a combination of morphology and phylogeny of 16S rRNA and nifH sequences and to investigate genes involved in cyanotoxin and protease inhibitor production. Four new cyanobacterial strains, isolated from biofilm samples collected from King George Island, Antarctica, were studied. In terms of morphology, these new strains share traits similar to true Anabaena morphotypes (benthic ones), whereas phylogenetic analysis of their 16S rRNA gene sequences grouped them with the sequence of the type species Hydrocoryne spongiosa (H. Schwabe ex Bornet and Flahault 1886-1888), but not with sequences of the type species from the genus Anabaena. This cluster is the sister group of Anabaena morphotypes isolated only from the Gulf of Finland. In addition, this cluster is related to two other clusters formed by sequences of Anabaena isolated from different sites. Partial nifH genes were sequenced from two strains and the phylogenetic tree revealed that the Antarctic nifH sequences clustered with sequences from Anabaena. Furthermore, two strains were tested, using PCR with specific primers, for the presence of genes involved in cyanotoxins (microcystin and saxitoxin) and protease inhibitor (aeruginosin, and cyanopeptolin). Only cyanopeptolin was amplified using PCR. These four Hydrocoryne strains are the first to be isolated and sequenced from Antarctica, which improves our knowledge on this poorly defined cyanobacterial genus.
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Affiliation(s)
- Diego Bonaldo Genuário
- Center for Nuclear Energy in Agriculture, University of São Paulo, Avenida Centenário 303, Piracicaba, São Paulo, 13400-970, Brazil
| | - Débora Machado Corrêa
- Botany Department, Federal University of Viçosa, Avenida Peter Henry Rolfs, s/n, Viçosa, Minas Gerais, 36570-000, Brazil
| | - Jiří Komárek
- Institute of Botany, Czech Academy of Sciences, Dukelská 135, Třeboň, CZ-37982, Czech Republic
- Faculty of Science, University of South Bohemia, Branišovská 35, České Budějovice, CZ-37005, Czech Republic
| | - Marli Fátima Fiore
- Center for Nuclear Energy in Agriculture, University of São Paulo, Avenida Centenário 303, Piracicaba, São Paulo, 13400-970, Brazil
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25
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Eiler A, Drakare S, Bertilsson S, Pernthaler J, Peura S, Rofner C, Simek K, Yang Y, Znachor P, Lindström ES. Unveiling distribution patterns of freshwater phytoplankton by a next generation sequencing based approach. PLoS One 2013; 8:e53516. [PMID: 23349714 PMCID: PMC3551911 DOI: 10.1371/journal.pone.0053516] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2012] [Accepted: 11/29/2012] [Indexed: 12/24/2022] Open
Abstract
The recognition and discrimination of phytoplankton species is one of the foundations of freshwater biodiversity research and environmental monitoring. This step is frequently a bottleneck in the analytical chain from sampling to data analysis and subsequent environmental status evaluation. Here we present phytoplankton diversity data from 49 lakes including three seasonal surveys assessed by next generation sequencing (NGS) of 16S ribosomal RNA chloroplast and cyanobacterial gene amplicons and also compare part of these datasets with identification based on morphology. Direct comparison of NGS to microscopic data from three time-series showed that NGS was able to capture the seasonality in phytoplankton succession as observed by microscopy. Still, the PCR-based approach was only semi-quantitative, and detailed NGS and microscopy taxa lists had only low taxonomic correspondence. This is probably due to, both, methodological constraints and current discrepancies in taxonomic frameworks. Discrepancies included Euglenophyta and Heterokonta that were scarce in the NGS but frequently detected by microscopy and Cyanobacteria that were in general more abundant and classified with high resolution by NGS. A deep-branching taxonomically unclassified cluster was frequently detected by NGS but could not be linked to any group identified by microscopy. NGS derived phytoplankton composition differed significantly among lakes with different trophic status, showing that our approach can resolve phytoplankton communities at a level relevant for ecosystem management. The high reproducibility and potential for standardization and parallelization makes our NGS approach an excellent candidate for simultaneous monitoring of prokaryotic and eukaryotic phytoplankton in inland waters.
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Affiliation(s)
- Alexander Eiler
- Uppsala University, Department of Ecology and Genetics, Limnology, Uppsala, Sweden.
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26
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Ramm J, Lupu A, Hadas O, Ballot A, Rücker J, Wiedner C, Sukenik A. A CARD-FISH protocol for the identification and enumeration of cyanobacterial akinetes in lake sediments. FEMS Microbiol Ecol 2012; 82:23-36. [PMID: 22537189 DOI: 10.1111/j.1574-6941.2012.01401.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2012] [Revised: 04/17/2012] [Accepted: 04/23/2012] [Indexed: 11/26/2022] Open
Abstract
Akinetes are the dormant cells of Nostocales (cyanobacteria) that enable the organisms to survive harsh environmental conditions while resting in bottom sediments. The germination of akinetes assists the dispersal and persistence of the species. The assessment of the akinete pool in lake sediments is essential to predict the bloom formation of the Nostocales population. We present here the implementation of an improved catalysed reporter deposition (CARD)-fluorescence in situ hybridization (FISH) protocol to assist the identification and quantification of akinetes in sediment samples. Several 16S rRNA gene oligonucleotide probes were evaluated for labelling akinetes of various species of Anabaena, Aphanizomenon and Cylindrospermopsis. Akinetes of all the taxa studied were successfully labelled and could be easily detected by their bright fluorescence signal. The probes' specificity was tested with 32 strains of different taxa. All six Cylindrospermopsis raciborskii strains were labelled with a specific probe for its 16S rRNA gene. A more general probe labelled 73% of the Anabaena and Aphanizomenon strains. The counting data of field samples obtained with CARD-FISH and the regular light microscopy approach did not differ significantly, confirming the suitability of both methods. The CARD-FISH approach was found to be less time-consuming because of better visibility of akinetes.
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Affiliation(s)
- Jessica Ramm
- Department of Freshwater Conservation, Brandenburg University of Technology, Cottbus (BTUC), Brandenburg, Germany
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27
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Zapomělová E, Hrouzek P, Řezanka T, Jezberová J, Řeháková K, Hisem D, Komárková J. POLYPHASIC CHARACTERIZATION OF DOLICHOSPERMUM SPP. AND SPHAEROSPERMOPSIS SPP. (NOSTOCALES, CYANOBACTERIA): MORPHOLOGY, 16S rRNA GENE SEQUENCES AND FATTY ACID AND SECONDARY METABOLITE PROFILES(1). JOURNAL OF PHYCOLOGY 2011; 47:1152-1163. [PMID: 27020196 DOI: 10.1111/j.1529-8817.2011.01034.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The genera Dolichospermum (Ralfs ex Bornet et Flahault) Wacklin, L. Hoffm. et Komárek and Sphaerospermopsis Zapomělová, Jezberová, Hrouzek, Hisem, K. Řeháková et Komárk.-Legn. represent a highly diversified group of planktonic cyanobacteria that have been recently separated from the traditional genus Anabaena Bory ex Bornet et Flahault. In this study, morphological diversity, phylogeny of the 16S rRNA gene, production of fatty acids, and secondary metabolite profiles were evaluated in 33 strains of 14 morphospecies isolated from the Czech Republic. Clustering of the strains based on 16S rRNA gene sequences corresponded to wider groups of species in terms of morphology. The overall secondary metabolite and fatty acid profiles, however, were not correlated to each other and neither were they correlated to the 16S rRNA phylogeny nor the morphology of the strains. Nevertheless, a minor part of the detected secondary metabolites (19% of all compounds) was present only in close relatives and can be thus considered as autapomorphic features.
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Affiliation(s)
- Eliška Zapomělová
- Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic Institute of Physical Biology, Zámek 136, CZ-37333 Nové Hrady, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech RepublicInstitute of Microbiology, AS CR, Vídeňská 1083, CZ-14220 Prague, Czech RepublicBiology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic
| | - Pavel Hrouzek
- Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic Institute of Physical Biology, Zámek 136, CZ-37333 Nové Hrady, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech RepublicInstitute of Microbiology, AS CR, Vídeňská 1083, CZ-14220 Prague, Czech RepublicBiology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic
| | - Tomáš Řezanka
- Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic Institute of Physical Biology, Zámek 136, CZ-37333 Nové Hrady, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech RepublicInstitute of Microbiology, AS CR, Vídeňská 1083, CZ-14220 Prague, Czech RepublicBiology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic
| | - Jitka Jezberová
- Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic Institute of Physical Biology, Zámek 136, CZ-37333 Nové Hrady, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech RepublicInstitute of Microbiology, AS CR, Vídeňská 1083, CZ-14220 Prague, Czech RepublicBiology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic
| | - Klára Řeháková
- Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic Institute of Physical Biology, Zámek 136, CZ-37333 Nové Hrady, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech RepublicInstitute of Microbiology, AS CR, Vídeňská 1083, CZ-14220 Prague, Czech RepublicBiology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic
| | - Daniel Hisem
- Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic Institute of Physical Biology, Zámek 136, CZ-37333 Nové Hrady, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech RepublicInstitute of Microbiology, AS CR, Vídeňská 1083, CZ-14220 Prague, Czech RepublicBiology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic
| | - Jaroslava Komárková
- Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic Institute of Physical Biology, Zámek 136, CZ-37333 Nové Hrady, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech RepublicInstitute of Microbiology, AS CR, Vídeňská 1083, CZ-14220 Prague, Czech RepublicBiology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic Institute of Microbiology, AS CR, Department of Autotrophic Microorganisms, Opatovický mlýn, CZ-379 81 Třeboň, Czech Republic University of South Bohemia, Faculty of Science, Branišovská 31, CZ-37005 České Budějovice, Czech Republic Biology Centre of AS CR, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, Czech Republic Institute of Botany, AS CR, Dukelská 135, CZ-37982 Třeboň, Czech Republic
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28
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A review of the alien and expansive species of freshwater cyanobacteria and algae in the Czech Republic. Biol Invasions 2010. [DOI: 10.1007/s10530-010-9754-3] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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