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Rosic N, Thornber C. Biotechnological Potential of Macroalgae during Seasonal Blooms for Sustainable Production of UV-Absorbing Compounds. Mar Drugs 2023; 21:633. [PMID: 38132954 PMCID: PMC10744652 DOI: 10.3390/md21120633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/27/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
Marine macroalgae (seaweeds) are important primary global producers, with a wide distribution in oceans around the world from polar to tropical regions. Most of these species are exposed to variable environmental conditions, such as abiotic (e.g., light irradiance, temperature variations, nutrient availability, salinity levels) and biotic factors (e.g., grazing and pathogen exposure). As a result, macroalgae developed numerous important strategies to increase their adaptability, including synthesizing secondary metabolites, which have promising biotechnological applications, such as UV-absorbing Mycosporine-Like Amino Acid (MAAs). MAAs are small, water-soluble, UV-absorbing compounds that are commonly found in many marine organisms and are characterized by promising antioxidative, anti-inflammatory and photoprotective properties. However, the widespread use of MAAs by humans is often restricted by their limited bioavailability, limited success in heterologous expression systems, and low quantities recovered from the natural environment. In contrast, bloom-forming macroalgal species from all three major macroalgal clades (Chlorophyta, Phaeophyceae, and Rhodophyta) occasionally form algal blooms, resulting in a rapid increase in algal abundance and high biomass production. This review focuses on the bloom-forming species capable of producing pharmacologically important compounds, including MAAs, and the application of proteomics in facilitating macroalgal use in overcoming current environmental and biotechnological challenges.
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Affiliation(s)
- Nedeljka Rosic
- Faculty of Health, Southern Cross University, Gold Coast, QLD 4225, Australia
- Marine Ecology Research Centre, Southern Cross University, Lismore, NSW 2480, Australia
| | - Carol Thornber
- Department of Natural Resources Science, University of Rhode Island, 120 Flagg Road, Kingston, RI 02881, USA;
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2
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Yoon HI, Kim D, Son JE. Spatial and Temporal Bioactive Compound Contents and Chlorophyll Fluorescence of Kale (Brassica oleracea L.) Under UV-B Exposure Near Harvest Time in Controlled Environments. Photochem Photobiol 2020; 96:845-852. [PMID: 32104924 DOI: 10.1111/php.13237] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 12/27/2019] [Indexed: 01/08/2023]
Abstract
UV-B irradiation has been used to enhance the secondary metabolite content in plants, but its spatial effect on plants has not been considered. The objective of this study was to compare spatial photosynthetic traits and bioactive compound accumulation in kale (Brassica oleracea L. var Acephala) according to the distribution and length of UV-B exposure near harvest. Plants were exposed to UV-B of 0-3, 3-6 and 6-9 W m-2 for 4 h per day at 5 days (Exp. 1) and 4.2 W m-2 at 5, 4, 3, 2 or 1 days (Exp. 2) before harvest. In spatial distribution, the higher the UV-B intensity, the lower the mean Fv /Fm (maximal photochemical efficiency of PSII) and the higher the concentration of total flavonoid compound (TFC). With UV-B stress, Fv /Fm and fluorescence transient parameters decreased except for DI0 /CS (dissipated energy flux per cross section) and PIabs (performance index of PSII). When exposed to UV-B radiation for 2 days before harvest, the total phenolic compounds and TFC per plant were highest, not always proportional to the local Fv /Fm but affected by dry weight. Short-term UV-B stress near harvest would be more efficient for the accumulation of bioactive compounds by minimizing the loss of plant weight.
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Affiliation(s)
- Hyo In Yoon
- Department of Plant Science and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Korea
| | - Damin Kim
- Department of Plant Science and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Korea
| | - Jung Eek Son
- Department of Plant Science and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Korea
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3
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Pereira DT, Pereira B, Fonseca A, Ramlov F, Maraschin M, Álvarez-Gómez F, Figueroa FL, Schmidt ÉC, Bouzon ZL, Simioni C. Effects of Ultraviolet Radiation (UV-A+UV-B) on the Antioxidant Metabolism of the Red Macroalga Species Acanthophora spicifera (Rhodophyta, Ceramiales) From Different Salinity and Nutrient Conditions. Photochem Photobiol 2019; 95:999-1009. [PMID: 30811599 DOI: 10.1111/php.13094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 02/20/2019] [Indexed: 12/01/2022]
Abstract
Acanthophora spicifera (M.Vahl) Børgesen is a macroalga of great economic importance. This study evaluated the antioxidant responses of two algal populations of A. spicifera adapted to different abiotic conditions when exposed to ultraviolet-A+ultraviolet-B radiation (UV-A+UV-B). Experiments were performed using the water at two collection points for 7 days of acclimatization and 7 days of exposure to UVR (3 h per day), followed by metabolic analyses. At point 1, water of 30 ± 1 practical salinity unit (psu) had concentrations of 1.06 ± 0.27 mm NH 4 + , 8.47 ± 0.01 mm NO 3 - , 0.17 ± 0.01 mm PO 4 - 3 and pH 7.88. At point 2, water of 35 ± 1 psu had concentrations of 1.13 ± 0.05 mm NH 4 + , 3.73 ± 0.01 mm NO 3 - , 0.52 ± 0.01 mm PO 4 - 3 and pH 8.55. Chlorophyll a, phycobiliproteins, carotenoids, mycosporins, polyphenolics and antioxidant enzymes (catalase, superoxide dismutase and guaiacol peroxidase) were evaluated. The present study demonstrates that ultraviolet radiation triggers antioxidant activity in the A. spicifera. However, such activation resulted in greater responses in samples of the point 1, with lower salinity and highest concentration of nutrients.
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Affiliation(s)
- Débora Tomazi Pereira
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Bárbara Pereira
- Chemical Oceanography Laboratory, Department of Geosciences, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Alessandra Fonseca
- Chemical Oceanography Laboratory, Department of Geosciences, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Fernanda Ramlov
- Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Marcelo Maraschin
- Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Félix Álvarez-Gómez
- Department of Ecology and Geology, Faculty of Sciences, University of Malaga, Malaga, Spain
| | - Felix L Figueroa
- Department of Ecology and Geology, Faculty of Sciences, University of Malaga, Malaga, Spain
| | - Éder Carlos Schmidt
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Zenilda Laurita Bouzon
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Carmen Simioni
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, Florianópolis, Brazil
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Soriano G, Del-Castillo-Alonso MÁ, Monforte L, Tomás-Las-Heras R, Martínez-Abaigar J, Núñez-Olivera E. Photosynthetically-active radiation, UV-A and UV-B, causes both common and specific damage and photoprotective responses in the model liverwort Marchantia polymorpha subsp. ruderalis. Photochem Photobiol Sci 2019; 18:400-412. [PMID: 30608105 DOI: 10.1039/c8pp00421h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We studied the effects of different radiation treatments on the physiology and UV-absorbing compounds of the model liverwort Marchantia polymorpha subsp. ruderalis. Starting from gemmae, samples were exposed to five radiation treatments: low photosynthetically active radiation (PAR), low PAR+ UV-A, low PAR + UV-B, low PAR + UV-A + UV-B, and high PAR. After 35 days, the maximum quantum yield of photosystem II was similar between treatments, which suggested comparable photoinhibition and physiological vitality, also supported by results showing an unchanged chlorophyll a/b ratio and only slight changes in growth. However, the total contents of both chlorophylls and carotenoids decreased in the UV radiation treatments and, more strongly, in the high-PAR samples, suggesting mainly PAR-dependent damage to the photosynthetic pigments. The xanthophyll index (antheraxanthin + zeaxanthin)/(violaxanthin + antheraxanthin + zeaxanthin) was only increased in the high-PAR samples, indicating an increase in photoprotection through nonphotochemical dissipation of the excess energy. The sclerophylly index (the ratio between the thallus dry mass and surface area) was increased in the UV-B-exposed samples, suggesting a UV-induced structural protection. Only the UV-B-exposed samples showed DNA damage. Several apigenin and luteolin derivatives were found in the methanol-soluble vacuolar fraction of the liverwort and p-coumaric and ferulic acids in the methanol-insoluble cell wall-bound fraction. Most individual soluble compounds, the bulk level of soluble compounds, and chalcone synthase expression increased in UV-B-exposed samples, whereas individual insoluble compounds increased in the samples exposed to only PAR. Principal components analysis summarized these responses, showing the strong influence of both UV-B and PAR levels on the physiology and UV protection of the samples.
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Affiliation(s)
- Gonzalo Soriano
- Facultad de Ciencia y Tecnología, Universidad de La Rioja, Madre de Dios 53, Logroño (La Rioja), 26006, Spain
| | | | - Laura Monforte
- Facultad de Ciencia y Tecnología, Universidad de La Rioja, Madre de Dios 53, Logroño (La Rioja), 26006, Spain
| | - Rafael Tomás-Las-Heras
- Facultad de Ciencia y Tecnología, Universidad de La Rioja, Madre de Dios 53, Logroño (La Rioja), 26006, Spain
| | - Javier Martínez-Abaigar
- Facultad de Ciencia y Tecnología, Universidad de La Rioja, Madre de Dios 53, Logroño (La Rioja), 26006, Spain
| | - Encarnación Núñez-Olivera
- Facultad de Ciencia y Tecnología, Universidad de La Rioja, Madre de Dios 53, Logroño (La Rioja), 26006, Spain.
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Pereira DT, Batista D, Filipin EP, Bouzon ZL, Simioni C. Effects of Ultraviolet Radiation (UVA + UVB) on Germination of Carpospores of the Red Macroalga Pyropia acanthophora var. brasiliensis (Rhodophyta, Bangiales): Morphological Changes. Photochem Photobiol 2018; 95:803-811. [PMID: 30466157 DOI: 10.1111/php.13055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 11/14/2018] [Indexed: 11/28/2022]
Abstract
Carpospores of Pyropia acanthophora var. brasiliensis are dispersion and reproduction units responsible for giving rise to the diploid filamentous structure of this alga's life cycle. The present study assesses the anthropogenic impact of ultraviolet radiation (UVR) on morphology and ultrastructure, spore viability, autofluorescence of chloroplasts and the amount of intensity of ROS during the germination of carpospores. Carpospores were cultivated at 24 ± 1°C, 40 ± 10 μmol photons m-2 s-1 with photoperiod of 12 h and exposed to UVAR + UVBR for 3 h a day for 2 days with a daily dose of 5.05 J cm-2 for UVAR and 0.095 J cm-2 for UVBR. Samples were cultured for another five days exposed only to PAR in order to confirm their viability after the initial 2-day exposure. Carpospores showed significant sensitivity to UVR exposure after only 48 h, including changes in developmental rate, overall morphology, cell organization and chloroplast autofluorescence. UVR exposure inhibited germ tube formation in carpospores, which were mostly nonviable and/or altered, showing retracted cytoplasm and disorganized cytoplasmic content. Even in the absence of UVR exposure, carpospores remained collapsed, indicating irreversible damage. It can be concluded that UVR is a limiting factor for the development of P. acanthophora.
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Affiliation(s)
- Débora Tomazi Pereira
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Deonir Batista
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Elisa Poltronieri Filipin
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Zenilda Laurita Bouzon
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Carmen Simioni
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, Florianópolis, SC, Brazil
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6
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Kumar D, Kannaujiya VK, Pathak J, Sundaram S, Sinha RP. Composition and functional property of photosynthetic pigments under circadian rhythm in the cyanobacterium Spirulina platensis. PROTOPLASMA 2018; 255:885-898. [PMID: 29255959 DOI: 10.1007/s00709-017-1195-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Accepted: 12/02/2017] [Indexed: 06/07/2023]
Abstract
Circadian rhythm is an important endogenous biological signal for sustainable growth and development of cyanobacteria in natural ecosystems. Circadian effects of photosynthetically active radiation (PAR), ultraviolet-A (UV-A) and ultraviolet-B (UV-B) radiations on pigment composition have been studied in the cyanobacterium Spirulina platensis under light (L)/dark (D) oscillation with a combination of 4/20, 8/16, 12/12, 16/8, 20/4 and 24/24 h time duration. Circadian exposure of PAR + UV-A (PA) and PAR + UV-A + UV-B (PAB) showed more than twofold decline in Chl a, total protein and phycocyanin (PC) in light phase and significant recovery was achieved in dark phase. The fluorescence emission wavelength of PC was shifted towards lower wavelengths in the light phase of PAB in comparison to P and PA whereas the same wavelength was retrieved in the dark phase. The production of free radicals was accelerated twofold in the light phase (24 h L) whereas the same was retrieved to the level of control during the dark phase. Oxidatively induced damage was alleviated by antioxidative enzymes such as catalase (CAT), peroxidase (POD), superoxide dismutase (SOD) and ascorbate peroxidase (APX) in the light phase (0-24-h L) whereas the dark phase showed significant inhibition of the same enzymes. Similar characteristic inhibition of free radicals and recovery of PC was observed inside cellular filament after circadian rhythm of 24/24 h (L/D). Circadian exposure of P, PA and PAB significantly altered the synthesis and recovery of pigments that could be crucial for optimization and sustainable production of photosynthetic products for human welfare.
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Affiliation(s)
- Deepak Kumar
- Laboratory of Photobiology and Molecular Microbiology, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Vinod K Kannaujiya
- Laboratory of Photobiology and Molecular Microbiology, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
- Centre of Biotechnology, Nehru Science Centre, University of Allahabad, Allahabad, 211002, India
| | - Jainendra Pathak
- Laboratory of Photobiology and Molecular Microbiology, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Shanthy Sundaram
- Centre of Biotechnology, Nehru Science Centre, University of Allahabad, Allahabad, 211002, India
| | - Rajeshwar P Sinha
- Laboratory of Photobiology and Molecular Microbiology, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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7
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Fine-tuning transmission electron microscopy methods to evaluate the cellular architecture of Ulvacean seaweeds (Chlorophyta). Micron 2017; 96:48-56. [DOI: 10.1016/j.micron.2017.02.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 02/17/2017] [Accepted: 02/17/2017] [Indexed: 11/22/2022]
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8
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Costa GB, Simioni C, Pereira DT, Ramlov F, Maraschin M, Chow F, Horta PA, Bouzon ZL, Schmidt ÉC. The brown seaweed Sargassum cymosum: changes in metabolism and cellular organization after long-term exposure to cadmium. PROTOPLASMA 2017; 254:817-837. [PMID: 27352314 DOI: 10.1007/s00709-016-0992-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 06/06/2016] [Indexed: 06/06/2023]
Abstract
Sargassum cymosum was exposed to cadmium (Cd) to determine any physiological and ultrastructural effects. To accomplish this, S. cymosum samples were cultivated under photosynthetic active radiation (PAR) and Cd (0, 0.1, 0.2, 0.4 and 0.8 mg L-1) during 7 and 14 days in laboratory-controlled conditions (0 mg L-1 Cd at both exposure times as control). Seaweeds had high retention capacity (over 90 %) for both exposure times. Growth rates showed significant increases by 14 days, especially for 0.1 and 0.4 mg L-1 Cd. Photosynthetic parameters were unaffected by Cd treatments. Chlorophyll contents were present in higher concentrations for all Cd treatments compared to respective control. Carotenoid profile showed significant differences in total composition and proportion of fucoxanthin and β-carotene, and no lutein was detected at 14 days. Phenolic and flavonoid compounds showed major accumulation at 14 days. Transmission electron microscopy (TEM) analyses presented major alterations in Cd-treated samples, when compared with respective control, in particular disorganization of cell wall fibrils. When compared to respective control samples, multivariate analyses showed disparate and complex interactions among metabolites in Cd-exposed seaweeds, giving evidence of physiological defence response. Thus, it can be concluded that Cd is a stressor for S. cymosum, resulting in physiological and structural alterations related to defence mechanisms against oxidative stress and toxicological effects resulting from long-term metal exposure. However, in the present paper, some observed changes also appear to result from acclimation mechanisms under lower concentration of Cd relative to the tolerance of S. cymosum to experimental conditions.
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Affiliation(s)
- Giulia B Costa
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, CP 476, Florianopolis, SC, 88049-900, Brazil
| | - Carmen Simioni
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, CP 476, Florianopolis, SC, 88049-900, Brazil
| | - Débora T Pereira
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, CP 476, Florianopolis, SC, 88049-900, Brazil
| | - Fernanda Ramlov
- Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, CP 476, Florianopolis, SC, 88049-900, Brazil
| | - Marcelo Maraschin
- Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, CP 476, Florianopolis, SC, 88049-900, Brazil
| | - Fungyi Chow
- Institute of Bioscience, University of São Paulo, CEP, Sao Paulo, SP, 05508-090, Brazil
| | - Paulo A Horta
- Phycology Laboratory, Department of Botany, Federal University of Santa Catarina, CP 476, Florianopolis, SC, 88049-900, Brazil
| | - Zenilda L Bouzon
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, CP 476, Florianopolis, SC, 88049-900, Brazil
| | - Éder C Schmidt
- Postgraduate Program in Cell Biology and Development, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, CP 476, Florianopolis, SC, 88049-900, Brazil.
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Kannaujiya VK, Sinha RP. Impacts of diurnal variation of ultraviolet-B and photosynthetically active radiation on phycobiliproteins of the hot-spring cyanobacterium Nostoc sp. strain HKAR-2. PROTOPLASMA 2017; 254:423-433. [PMID: 27026262 DOI: 10.1007/s00709-016-0964-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 03/15/2016] [Indexed: 06/05/2023]
Abstract
The effects of diurnal variation of photosynthetically active radiation (PAR; 400-700 nm) and ultraviolet-B (UV-B; 280-315 nm) radiation on phycobiliproteins (PBPs) and photosynthetic pigments (PP) have been studied in the hot-spring cyanobacterium Nostoc sp. strain HKAR-2. The variations in PBPs and PP were monitored by alternating light and dark under PAR, UV-B, and PAR + UV-B radiations over a period of 25 h. There was a decline in the amount of Chl a and PBPs during light periods of UV-B and PAR + UV-B and an increase during dark periods showing a circadian rhythm by destruction and resynthesis of pigment-protein complex. However, a marked induction in carotenoids was recorded during light periods of the same radiations. Moreover, the ratio of Chl a/PE and Chl a/PC was increased in dark periods showing the resynthesis of bleached Chl a. The wavelength shift in emission fluorescence of PBPs toward shorter wavelengths further indicated the bleaching and destruction of PBPs during light periods. Oxidative damage upon exposure to PAR, UV-B, and PAR + UV-B was alleviated by induction of antioxidative enzymes such as superoxide dismutase (SOD), catalase (CAT), and ascorbate peroxidase (APX). The studied cyanobacterium exhibits a significant increase in the activities of SOD, CAT, and APX upon exposure to UV-B and PAR + UV-B radiations. The results indicate that pigment-protein composition of Nostoc sp. stain HKAR-2 was significantly altered during diurnal variation of light/radiation, which might play an important role in optimization for their productivity in a particular cyanobacterium.
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Affiliation(s)
- Vinod K Kannaujiya
- Laboratory of Photobiology and Molecular Microbiology, Centre of Advanced Study in Botany, Banaras Hindu University, Varanasi, 221005, India
| | - Rajeshwar P Sinha
- Laboratory of Photobiology and Molecular Microbiology, Centre of Advanced Study in Botany, Banaras Hindu University, Varanasi, 221005, India.
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10
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Costa GB, de Felix MRL, Simioni C, Ramlov F, Oliveira ER, Pereira DT, Maraschin M, Chow F, Horta PA, Lalau CM, da Costa CH, Matias WG, Bouzon ZL, Schmidt ÉC. Effects of copper and lead exposure on the ecophysiology of the brown seaweed Sargassum cymosum. PROTOPLASMA 2016; 253:111-125. [PMID: 25772683 DOI: 10.1007/s00709-015-0795-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Accepted: 03/02/2015] [Indexed: 06/04/2023]
Abstract
The effects of the heavy metals copper (Cu) and lead (Pb) on Sargassum cymosum were evaluated by determining uptake capacity, growth rates, photosynthetic efficiency, contents of photosynthetic pigments and phenolic compounds, 2,2-diphenyl-1-picrylhydrazyl radical-scavenging capacity, and morphological and cellular changes. S. cymosum was cultivated with Cu and Pb separately and combined at concentrations of 10, 25, and 50 μM for 7 days in laboratory-controlled conditions. Seaweeds under Cu treatment showed the highest biosorption capacity, and growth rates were significantly reduced compared to the control. The photosynthesis/irradiance curves showed alterations in kinetic patterns in the metal-treated samples. Specifically, Cu treatment alone inhibited electron transport rate (ETR) response, while Pb alone induced it. However, samples treated with both Cu and Pb (Cu + Pb) showed inhibition in ETR. The total amount of pigments increased relative to control. Light microscopy showed an increase in phenolic compounds, with physodes migrating towards cortical cells. Scanning electronic microscopy revealed alterations in the typical rough surface of thallus, when compared with control, especially for Pb treatments. Based on these results, it could be concluded that Cu and Pb are stress factors for S. cymosum, promoting alterations in seaweed metabolism and stimulating protective mechanisms against oxidative stress. However, the high bioaccumulation capacity of both heavy metals indicates a possible application for S. cymosum as a biosorbent agent for contaminated wastewater when metals are in low concentrations.
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Affiliation(s)
- Giulia Burle Costa
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, 88049-900, CP 476, Florianópolis, SC, Brazil
| | - Marthiellen R L de Felix
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, 88049-900, CP 476, Florianópolis, SC, Brazil
| | - Carmen Simioni
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, 88049-900, CP 476, Florianópolis, SC, Brazil
| | - Fernanda Ramlov
- Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, 88049-900, CP 476, Florianópolis, SC, Brazil
| | - Eva Regina Oliveira
- Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, 88049-900, CP 476, Florianópolis, SC, Brazil
| | - Débora T Pereira
- Scientific Initiation-PIBIC-CNPq, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, 88049-900, CP 476, Florianópolis, SC, Brazil
| | - Marcelo Maraschin
- Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, 88049-900, CP 476, Florianópolis, SC, Brazil
| | - Fungyi Chow
- Institute of Bioscience, University of São Paulo, 05508-090, São Paulo, SP, Brazil
| | - Paulo Antunes Horta
- Phycology Laboratory, Department of Botany, Federal University of Santa Catarina, 88010-970, Florianópolis, SC, Brazil
| | - Cristina Moreira Lalau
- Postgraduate Program in Environmental Engineering, Department of Environmental and Sanitary Engineering, Federal University of Santa Catarina, 88049-970, CP 0476, Florianópolis, SC, Brazil
| | - Cristina H da Costa
- Postgraduate Program in Environmental Engineering, Department of Environmental and Sanitary Engineering, Federal University of Santa Catarina, 88049-970, CP 0476, Florianópolis, SC, Brazil
| | - William Gerson Matias
- Postgraduate Program in Environmental Engineering, Department of Environmental and Sanitary Engineering, Federal University of Santa Catarina, 88049-970, CP 0476, Florianópolis, SC, Brazil
| | - Zenilda L Bouzon
- Plant Cell Biology Laboratory, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, 88049-900, CP 476, Florianópolis, SC, Brazil
| | - Éder C Schmidt
- Postgraduate Program in Cell Biology and Development, Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina, 88049-900, CP 476, Florianopolis, SC, Brazil.
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11
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Rover T, Simioni C, Hable W, Bouzon ZL. Ultrastructural and structural characterization of zygotes and embryos during development in Sargassum cymosum (Phaeophyceae, Fucales). PROTOPLASMA 2015; 252:505-18. [PMID: 25252885 DOI: 10.1007/s00709-014-0696-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Accepted: 08/26/2014] [Indexed: 06/03/2023]
Abstract
This study investigates the pattern and performance of cellular structures during the early development of zygotes and embryos of Sargassum cymosum. The early development S. cymosum germlings has already been characterized and compared with the pattern of development established for all fucoid algae, in which the zygote remains attached to the receptacle by mucilage during the establishment of polarity and early cell division. As in the algae Fucus and Silvetia, the first division is transverse across the longer axis of the zygote of S. cymosum. However, the cell that will give rise to the rhizoids is not determined in the first division; rather, the formation of this cell occurs with the second division, forming a small cell in the embryo shaded site. Stabilizing polarity during the process of forming a multicellular embryo occurs rapidly. During development, significant cytoplasmic alterations take place. Initially, the cytoplasm shows large clusters of phenolic compounds located in specific parts, but later, in the course of development, these compounds are dispersed in the cytoplasm, although a significant amount remains confined to the nucleus. Moreover, to produce more zygotes and higher growth rates for the germlings, the best conditions found for the species S. cymosum were 22 and 26 °C, respectively.
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Affiliation(s)
- Ticiane Rover
- Department of Cell Biology, Embryology and Genetics, Federal University of Santa Catarina (UFSC), Trindade, 88040-900, Florianópolis, Santa Catarina, Brazil,
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Schmidt ÉC, Kreusch M, Felix MRDL, Pereira DT, Costa GB, Simioni C, Ouriques LC, Farias-Soares FL, Steiner N, Chow F, Ramlov F, Maraschin M, Bouzon ZL. Effects of Ultraviolet Radiation (UVA+UVB) and Copper on the Morphology, Ultrastructural Organization and Physiological Responses of the Red AlgaPterocladiella capillacea. Photochem Photobiol 2015; 91:359-70. [DOI: 10.1111/php.12396] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Accepted: 11/18/2014] [Indexed: 11/27/2022]
Affiliation(s)
- Éder C. Schmidt
- Postdoctoral Research of Postgraduate Program in Cell Biology and Development; Department of Cell Biology, Embryology and Genetics; Federal University of Santa Catarina; Florianópolis SC Brazil
- Department of Cell Biology, Embryology and Genetics; Plant Cell Biology Laboratory; Federal University of Santa Catarina; Florianópolis SC Brazil
| | - Marianne Kreusch
- Department of Cell Biology, Embryology and Genetics; Plant Cell Biology Laboratory; Federal University of Santa Catarina; Florianópolis SC Brazil
| | - Marthiellen R. de L. Felix
- Department of Cell Biology, Embryology and Genetics; Plant Cell Biology Laboratory; Federal University of Santa Catarina; Florianópolis SC Brazil
| | - Debora T. Pereira
- Department of Cell Biology, Embryology and Genetics; Plant Cell Biology Laboratory; Federal University of Santa Catarina; Florianópolis SC Brazil
| | - Giulia B. Costa
- Department of Cell Biology, Embryology and Genetics; Plant Cell Biology Laboratory; Federal University of Santa Catarina; Florianópolis SC Brazil
| | - Carmen Simioni
- Department of Cell Biology, Embryology and Genetics; Plant Cell Biology Laboratory; Federal University of Santa Catarina; Florianópolis SC Brazil
| | - Luciane C. Ouriques
- Department of Cell Biology, Embryology and Genetics; Plant Cell Biology Laboratory; Federal University of Santa Catarina; Florianópolis SC Brazil
| | | | - Neusa Steiner
- Department of Botany; Federal University of Santa Catarina; Florianópolis SC Brazil
| | - Fungyi Chow
- Department of Botany; Institute of Bioscience; University of São Paulo; São Paulo SP Brazil
| | - Fernanda Ramlov
- Plant Morphogenesis and Biochemistry Laboratory; Federal University of Santa Catarina; Florianópolis SC Brazil
| | - Marcelo Maraschin
- Plant Morphogenesis and Biochemistry Laboratory; Federal University of Santa Catarina; Florianópolis SC Brazil
| | - Zenilda L. Bouzon
- Department of Cell Biology, Embryology and Genetics; Plant Cell Biology Laboratory; Federal University of Santa Catarina; Florianópolis SC Brazil
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