Tolypothrix tenuis stress response to nickel
Metal ions are both essential and potentially toxic. The aim of this work was to demonstrate that diazotrophic cyanobacterium Tolypothrix tenuis N°54 can tolerate toxic concentrations of Ni2+ in order to use the biomass in biofilters or as biofertilizer. For this purpose, growth, pigment and protein...
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| Formato: | Capítulo de libro |
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2007
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| Acceso en línea: | Registro en Scopus DOI Handle Registro en la Biblioteca Digital |
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| 100 | 1 | |a Storni, M.M. | |
| 245 | 1 | 0 | |a Tolypothrix tenuis stress response to nickel |
| 260 | |c 2007 | ||
| 270 | 1 | 0 | |m Storni, M.M.; Laboratorio de Biología de Cyanobacteria Y Laboratorio de Ecoporfirinas, Facultad de Ciencias Exactas Y Naturales, Conicet, Intendente Güiraldes 2620, C1428EHA, Ciudad de Buenos Aires, Argentina; email: cyanob@bg.fcen.uba.ar |
| 506 | |2 openaire |e Política editorial | ||
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| 504 | |a Gomori, G., Preparation of buffers for use in enzyme studies (1955) Methods in Enzymology, 1, pp. 137-146 | ||
| 504 | |a Jakubovics, N.S., Howard, F.J., Out of the iron age: New insights into the critical role of manganese homeostasis in bacteria (1709) Microbiology, 147. , 2001 | ||
| 504 | |a Khalil, Z., Dose response of Phormidium fragile to nickel (1988) Egyptian Journal of Botany, 31, pp. 87-98 | ||
| 504 | |a Khalil, Z., Interactions of nickel, lead and calcium on growth criteria and metabolic aspects in Phormidium fragile (1995) Egyptian Journal of Microbiology, 29, pp. 193-205 | ||
| 504 | |a López-Maury, L., García-Domínguez, M., Florencio, F.J., Reyes, J.C., A two-component signal transduction system involved in nickel sensing in the cyanobacterium Synechocystis sp. PCC 6803 (2002) Molecular Microbiology, 43, pp. 247-256 | ||
| 504 | |a Miyake, C., Michihata, F., Asada, K., Scavenging of hydrogen peroxide in prokaryotic and eukaryotic algae: Acquisition of ascorbate peroxidase duringthe evolution of cyanobacteria (1991) Plant and Cell Physiology, 32, pp. 33-43 | ||
| 504 | |a Palenik, B., Brahamsha, B., Larimer, F.W., Land, M., Hauser, L., Chain, P., Lamerdin, J., Waterbury, J., The genome of a motile marine Synechococcus (2003) Nature, 424, pp. 1037-1042 | ||
| 504 | |a Tandeau de Marsac, N., Houmard, J., Complementary chromatic adaptation: Physiological conditions and action spectra (1988) Methods in Enzymology, 167, pp. 318-328 | ||
| 504 | |a Watt, R.K., Ludden, P.W., Nickel-binding proteins (1999) Cellular and Molecular Life Sciences, 56, pp. 604-625 | ||
| 504 | |a Zaccaro, M.C., Salazar, C., Zulpa de Caire, G., Storni de Cano, M., Stella, A.M., Lead toxicity in cyanobacterial porphyrin metabolism (2001) Environmental Toxicology, 16, pp. 61-67 | ||
| 520 | 3 | |a Metal ions are both essential and potentially toxic. The aim of this work was to demonstrate that diazotrophic cyanobacterium Tolypothrix tenuis N°54 can tolerate toxic concentrations of Ni2+ in order to use the biomass in biofilters or as biofertilizer. For this purpose, growth, pigment and protein contents and catalase activity of T. tenuis growing in increasing concentrations of Ni2+ ranging from 10-10 to 10 -4 M were assesed. The strain did not grow at Ni2+ concentration of 10-4 M, but at lower concentrations there were no significant differences with the control; it was tolerant at 10-10 and 10-8 M. Nickel concentration of 10-6 M is toxic for this cyanobacterial strain, because dry weight decreased by 30%; allophycocyanin and phycoerythrin decreased by 92% and 98%, respectively and protein content increased by 42%. Chlorophyll a concentration was more than double the control value in 10-10 and 10-8M, but in 10-6M it decreased by 19%. Catalase (E.C. 1.11.1.6) activity doubled the control value in the lowest nickel concentration whereas in 10-8M there was no significant difference with the control and in 10-6, it decreased by 78%. The living biomass of this strain could be used as a step in the bioremediation process in waters contaminated with concentrations of nickel lower than 10-6 M and eventually as a biofertilizer. © 2007 Springer Science+Business Media B.V. |l eng | |
| 593 | |a Laboratorio de Biología de Cyanobacteria Y Laboratorio de Ecoporfirinas, Facultad de Ciencias Exactas Y Naturales, Conicet, Intendente Güiraldes 2620, C1428EHA, Ciudad de Buenos Aires, Argentina | ||
| 690 | 1 | 0 | |a BIOREMEDIATION |
| 690 | 1 | 0 | |a CATALASE ACTIVITY |
| 690 | 1 | 0 | |a CYANOBACTERIA |
| 690 | 1 | 0 | |a NICKEL |
| 690 | 1 | 0 | |a STRESS |
| 690 | 1 | 0 | |a TOXICITY |
| 690 | 1 | 0 | |a BIOFILTERS |
| 690 | 1 | 0 | |a BIOMASS |
| 690 | 1 | 0 | |a BIOREMEDIATION |
| 690 | 1 | 0 | |a CONCENTRATION (PROCESS) |
| 690 | 1 | 0 | |a NICKEL |
| 690 | 1 | 0 | |a TOXICITY |
| 690 | 1 | 0 | |a CATALASE ACTIVITY |
| 690 | 1 | 0 | |a CYANOBACTERIA |
| 690 | 1 | 0 | |a TOLYPOTHRIX TENUIS STRESS |
| 690 | 1 | 0 | |a ALGAE |
| 690 | 1 | 0 | |a CALOTHRIX SP. PCC 7101 |
| 690 | 1 | 0 | |a CYANOBACTERIA |
| 700 | 1 | |a Zaccaro, M.C. | |
| 700 | 1 | |a Capano, A. | |
| 700 | 1 | |a Stella, A.M. | |
| 700 | 1 | |a Zulpa, G. | |
| 773 | 0 | |d 2007 |g v. 23 |h pp. 833-836 |k n. 6 |p World J. Microbiol. Biotechnol. |x 09593993 |t World Journal of Microbiology and Biotechnology | |
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| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_09593993_v23_n6_p833_Storni |y Handle |
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