Production of extracellular polymeric substances from Rhodopseudomonas acidophila in the presence of toxic substances
Abstract A hydrogen-producing photosynthetic bacteria strain, Rhodopseudomonas acidophila, was used to investigate the production of extracellular polymeric substances (EPS) in the presence of toxic substances and the effect of toxicants on bacterial surface characteristics. Addition of the toxic su...
Ausführliche Beschreibung
Autor*in: |
Sheng, Guo-Ping [verfasserIn] |
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Format: |
Artikel |
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Sprache: |
Englisch |
Erschienen: |
2005 |
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Schlagwörter: |
Extracellular Polymeric Substance |
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Anmerkung: |
© Springer-Verlag 2005 |
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Übergeordnetes Werk: |
Enthalten in: Applied microbiology and biotechnology - Springer Berlin Heidelberg, 1984, 69(2005), 2 vom: Nov., Seite 216-222 |
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Übergeordnetes Werk: |
volume:69 ; year:2005 ; number:2 ; month:11 ; pages:216-222 |
Links: |
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DOI / URN: |
10.1007/s00253-005-1990-6 |
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Katalog-ID: |
OLC2050704275 |
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10.1007/s00253-005-1990-6 doi (DE-627)OLC2050704275 (DE-He213)s00253-005-1990-6-p DE-627 ger DE-627 rakwb eng 570 VZ 12 ssgn BIODIV DE-30 fid Sheng, Guo-Ping verfasserin aut Production of extracellular polymeric substances from Rhodopseudomonas acidophila in the presence of toxic substances 2005 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2005 Abstract A hydrogen-producing photosynthetic bacteria strain, Rhodopseudomonas acidophila, was used to investigate the production of extracellular polymeric substances (EPS) in the presence of toxic substances and the effect of toxicants on bacterial surface characteristics. Addition of the toxic substances including Cu(II), Cr(VI), Cd(II) and 2,4-dichlorophenol (2,4-DCP) stimulated the production of EPS but reduced the cell dry weight. At concentrations of 30 mg $ l^{−1} $ Cu(II), 40 mg $ l^{−1} $ Cr(VI), 5 mg $ l^{−1} $ Cd(II) and 100 mg $ l^{−1} $ 2,4-DCP, the EPS content increased by 5.5, 2.5, 4.0 and 1.4 times, respectively, than the control. These toxic substances also greatly influenced the proteins/carbohydrates ratio of EPS. The ratios in the presence of toxic substances were always higher than that of control. Furthermore, under toxic conditions, the increase in the protein content far exceeded than that of others in EPS, suggesting that extracellular proteins could protect cells against toxic substances. The toxic substances significantly changed the surface characteristics and flocculation ability of R. acidophila, such as surface energy, relative hydrophobicity and free energy of adhesion. Contact Angle Extracellular Polymeric Substance Toxic Substance Extracellular Polymeric Substance Production Electrostatic Repulsive Interaction Yu, Han-Qing aut Yue, Zheng-Bo aut Enthalten in Applied microbiology and biotechnology Springer Berlin Heidelberg, 1984 69(2005), 2 vom: Nov., Seite 216-222 (DE-627)129942634 (DE-600)392453-1 (DE-576)015507750 0175-7598 nnns volume:69 year:2005 number:2 month:11 pages:216-222 https://doi.org/10.1007/s00253-005-1990-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_21 GBV_ILN_23 GBV_ILN_31 GBV_ILN_40 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_100 GBV_ILN_130 GBV_ILN_147 GBV_ILN_267 GBV_ILN_285 GBV_ILN_2004 GBV_ILN_2018 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4155 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4307 AR 69 2005 2 11 216-222 |
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10.1007/s00253-005-1990-6 doi (DE-627)OLC2050704275 (DE-He213)s00253-005-1990-6-p DE-627 ger DE-627 rakwb eng 570 VZ 12 ssgn BIODIV DE-30 fid Sheng, Guo-Ping verfasserin aut Production of extracellular polymeric substances from Rhodopseudomonas acidophila in the presence of toxic substances 2005 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2005 Abstract A hydrogen-producing photosynthetic bacteria strain, Rhodopseudomonas acidophila, was used to investigate the production of extracellular polymeric substances (EPS) in the presence of toxic substances and the effect of toxicants on bacterial surface characteristics. Addition of the toxic substances including Cu(II), Cr(VI), Cd(II) and 2,4-dichlorophenol (2,4-DCP) stimulated the production of EPS but reduced the cell dry weight. At concentrations of 30 mg $ l^{−1} $ Cu(II), 40 mg $ l^{−1} $ Cr(VI), 5 mg $ l^{−1} $ Cd(II) and 100 mg $ l^{−1} $ 2,4-DCP, the EPS content increased by 5.5, 2.5, 4.0 and 1.4 times, respectively, than the control. These toxic substances also greatly influenced the proteins/carbohydrates ratio of EPS. The ratios in the presence of toxic substances were always higher than that of control. Furthermore, under toxic conditions, the increase in the protein content far exceeded than that of others in EPS, suggesting that extracellular proteins could protect cells against toxic substances. The toxic substances significantly changed the surface characteristics and flocculation ability of R. acidophila, such as surface energy, relative hydrophobicity and free energy of adhesion. Contact Angle Extracellular Polymeric Substance Toxic Substance Extracellular Polymeric Substance Production Electrostatic Repulsive Interaction Yu, Han-Qing aut Yue, Zheng-Bo aut Enthalten in Applied microbiology and biotechnology Springer Berlin Heidelberg, 1984 69(2005), 2 vom: Nov., Seite 216-222 (DE-627)129942634 (DE-600)392453-1 (DE-576)015507750 0175-7598 nnns volume:69 year:2005 number:2 month:11 pages:216-222 https://doi.org/10.1007/s00253-005-1990-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_21 GBV_ILN_23 GBV_ILN_31 GBV_ILN_40 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_100 GBV_ILN_130 GBV_ILN_147 GBV_ILN_267 GBV_ILN_285 GBV_ILN_2004 GBV_ILN_2018 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4155 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4307 AR 69 2005 2 11 216-222 |
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10.1007/s00253-005-1990-6 doi (DE-627)OLC2050704275 (DE-He213)s00253-005-1990-6-p DE-627 ger DE-627 rakwb eng 570 VZ 12 ssgn BIODIV DE-30 fid Sheng, Guo-Ping verfasserin aut Production of extracellular polymeric substances from Rhodopseudomonas acidophila in the presence of toxic substances 2005 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2005 Abstract A hydrogen-producing photosynthetic bacteria strain, Rhodopseudomonas acidophila, was used to investigate the production of extracellular polymeric substances (EPS) in the presence of toxic substances and the effect of toxicants on bacterial surface characteristics. Addition of the toxic substances including Cu(II), Cr(VI), Cd(II) and 2,4-dichlorophenol (2,4-DCP) stimulated the production of EPS but reduced the cell dry weight. At concentrations of 30 mg $ l^{−1} $ Cu(II), 40 mg $ l^{−1} $ Cr(VI), 5 mg $ l^{−1} $ Cd(II) and 100 mg $ l^{−1} $ 2,4-DCP, the EPS content increased by 5.5, 2.5, 4.0 and 1.4 times, respectively, than the control. These toxic substances also greatly influenced the proteins/carbohydrates ratio of EPS. The ratios in the presence of toxic substances were always higher than that of control. Furthermore, under toxic conditions, the increase in the protein content far exceeded than that of others in EPS, suggesting that extracellular proteins could protect cells against toxic substances. The toxic substances significantly changed the surface characteristics and flocculation ability of R. acidophila, such as surface energy, relative hydrophobicity and free energy of adhesion. Contact Angle Extracellular Polymeric Substance Toxic Substance Extracellular Polymeric Substance Production Electrostatic Repulsive Interaction Yu, Han-Qing aut Yue, Zheng-Bo aut Enthalten in Applied microbiology and biotechnology Springer Berlin Heidelberg, 1984 69(2005), 2 vom: Nov., Seite 216-222 (DE-627)129942634 (DE-600)392453-1 (DE-576)015507750 0175-7598 nnns volume:69 year:2005 number:2 month:11 pages:216-222 https://doi.org/10.1007/s00253-005-1990-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_21 GBV_ILN_23 GBV_ILN_31 GBV_ILN_40 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_100 GBV_ILN_130 GBV_ILN_147 GBV_ILN_267 GBV_ILN_285 GBV_ILN_2004 GBV_ILN_2018 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4155 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4307 AR 69 2005 2 11 216-222 |
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10.1007/s00253-005-1990-6 doi (DE-627)OLC2050704275 (DE-He213)s00253-005-1990-6-p DE-627 ger DE-627 rakwb eng 570 VZ 12 ssgn BIODIV DE-30 fid Sheng, Guo-Ping verfasserin aut Production of extracellular polymeric substances from Rhodopseudomonas acidophila in the presence of toxic substances 2005 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2005 Abstract A hydrogen-producing photosynthetic bacteria strain, Rhodopseudomonas acidophila, was used to investigate the production of extracellular polymeric substances (EPS) in the presence of toxic substances and the effect of toxicants on bacterial surface characteristics. Addition of the toxic substances including Cu(II), Cr(VI), Cd(II) and 2,4-dichlorophenol (2,4-DCP) stimulated the production of EPS but reduced the cell dry weight. At concentrations of 30 mg $ l^{−1} $ Cu(II), 40 mg $ l^{−1} $ Cr(VI), 5 mg $ l^{−1} $ Cd(II) and 100 mg $ l^{−1} $ 2,4-DCP, the EPS content increased by 5.5, 2.5, 4.0 and 1.4 times, respectively, than the control. These toxic substances also greatly influenced the proteins/carbohydrates ratio of EPS. The ratios in the presence of toxic substances were always higher than that of control. Furthermore, under toxic conditions, the increase in the protein content far exceeded than that of others in EPS, suggesting that extracellular proteins could protect cells against toxic substances. The toxic substances significantly changed the surface characteristics and flocculation ability of R. acidophila, such as surface energy, relative hydrophobicity and free energy of adhesion. Contact Angle Extracellular Polymeric Substance Toxic Substance Extracellular Polymeric Substance Production Electrostatic Repulsive Interaction Yu, Han-Qing aut Yue, Zheng-Bo aut Enthalten in Applied microbiology and biotechnology Springer Berlin Heidelberg, 1984 69(2005), 2 vom: Nov., Seite 216-222 (DE-627)129942634 (DE-600)392453-1 (DE-576)015507750 0175-7598 nnns volume:69 year:2005 number:2 month:11 pages:216-222 https://doi.org/10.1007/s00253-005-1990-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_21 GBV_ILN_23 GBV_ILN_31 GBV_ILN_40 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_100 GBV_ILN_130 GBV_ILN_147 GBV_ILN_267 GBV_ILN_285 GBV_ILN_2004 GBV_ILN_2018 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4155 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4307 AR 69 2005 2 11 216-222 |
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10.1007/s00253-005-1990-6 doi (DE-627)OLC2050704275 (DE-He213)s00253-005-1990-6-p DE-627 ger DE-627 rakwb eng 570 VZ 12 ssgn BIODIV DE-30 fid Sheng, Guo-Ping verfasserin aut Production of extracellular polymeric substances from Rhodopseudomonas acidophila in the presence of toxic substances 2005 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2005 Abstract A hydrogen-producing photosynthetic bacteria strain, Rhodopseudomonas acidophila, was used to investigate the production of extracellular polymeric substances (EPS) in the presence of toxic substances and the effect of toxicants on bacterial surface characteristics. Addition of the toxic substances including Cu(II), Cr(VI), Cd(II) and 2,4-dichlorophenol (2,4-DCP) stimulated the production of EPS but reduced the cell dry weight. At concentrations of 30 mg $ l^{−1} $ Cu(II), 40 mg $ l^{−1} $ Cr(VI), 5 mg $ l^{−1} $ Cd(II) and 100 mg $ l^{−1} $ 2,4-DCP, the EPS content increased by 5.5, 2.5, 4.0 and 1.4 times, respectively, than the control. These toxic substances also greatly influenced the proteins/carbohydrates ratio of EPS. The ratios in the presence of toxic substances were always higher than that of control. Furthermore, under toxic conditions, the increase in the protein content far exceeded than that of others in EPS, suggesting that extracellular proteins could protect cells against toxic substances. The toxic substances significantly changed the surface characteristics and flocculation ability of R. acidophila, such as surface energy, relative hydrophobicity and free energy of adhesion. Contact Angle Extracellular Polymeric Substance Toxic Substance Extracellular Polymeric Substance Production Electrostatic Repulsive Interaction Yu, Han-Qing aut Yue, Zheng-Bo aut Enthalten in Applied microbiology and biotechnology Springer Berlin Heidelberg, 1984 69(2005), 2 vom: Nov., Seite 216-222 (DE-627)129942634 (DE-600)392453-1 (DE-576)015507750 0175-7598 nnns volume:69 year:2005 number:2 month:11 pages:216-222 https://doi.org/10.1007/s00253-005-1990-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_21 GBV_ILN_23 GBV_ILN_31 GBV_ILN_40 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_100 GBV_ILN_130 GBV_ILN_147 GBV_ILN_267 GBV_ILN_285 GBV_ILN_2004 GBV_ILN_2018 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4155 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4307 AR 69 2005 2 11 216-222 |
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Enthalten in Applied microbiology and biotechnology 69(2005), 2 vom: Nov., Seite 216-222 volume:69 year:2005 number:2 month:11 pages:216-222 |
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570 VZ 12 ssgn BIODIV DE-30 fid Production of extracellular polymeric substances from Rhodopseudomonas acidophila in the presence of toxic substances Contact Angle Extracellular Polymeric Substance Toxic Substance Extracellular Polymeric Substance Production Electrostatic Repulsive Interaction |
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production of extracellular polymeric substances from rhodopseudomonas acidophila in the presence of toxic substances |
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Production of extracellular polymeric substances from Rhodopseudomonas acidophila in the presence of toxic substances |
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Abstract A hydrogen-producing photosynthetic bacteria strain, Rhodopseudomonas acidophila, was used to investigate the production of extracellular polymeric substances (EPS) in the presence of toxic substances and the effect of toxicants on bacterial surface characteristics. Addition of the toxic substances including Cu(II), Cr(VI), Cd(II) and 2,4-dichlorophenol (2,4-DCP) stimulated the production of EPS but reduced the cell dry weight. At concentrations of 30 mg $ l^{−1} $ Cu(II), 40 mg $ l^{−1} $ Cr(VI), 5 mg $ l^{−1} $ Cd(II) and 100 mg $ l^{−1} $ 2,4-DCP, the EPS content increased by 5.5, 2.5, 4.0 and 1.4 times, respectively, than the control. These toxic substances also greatly influenced the proteins/carbohydrates ratio of EPS. The ratios in the presence of toxic substances were always higher than that of control. Furthermore, under toxic conditions, the increase in the protein content far exceeded than that of others in EPS, suggesting that extracellular proteins could protect cells against toxic substances. The toxic substances significantly changed the surface characteristics and flocculation ability of R. acidophila, such as surface energy, relative hydrophobicity and free energy of adhesion. © Springer-Verlag 2005 |
abstractGer |
Abstract A hydrogen-producing photosynthetic bacteria strain, Rhodopseudomonas acidophila, was used to investigate the production of extracellular polymeric substances (EPS) in the presence of toxic substances and the effect of toxicants on bacterial surface characteristics. Addition of the toxic substances including Cu(II), Cr(VI), Cd(II) and 2,4-dichlorophenol (2,4-DCP) stimulated the production of EPS but reduced the cell dry weight. At concentrations of 30 mg $ l^{−1} $ Cu(II), 40 mg $ l^{−1} $ Cr(VI), 5 mg $ l^{−1} $ Cd(II) and 100 mg $ l^{−1} $ 2,4-DCP, the EPS content increased by 5.5, 2.5, 4.0 and 1.4 times, respectively, than the control. These toxic substances also greatly influenced the proteins/carbohydrates ratio of EPS. The ratios in the presence of toxic substances were always higher than that of control. Furthermore, under toxic conditions, the increase in the protein content far exceeded than that of others in EPS, suggesting that extracellular proteins could protect cells against toxic substances. The toxic substances significantly changed the surface characteristics and flocculation ability of R. acidophila, such as surface energy, relative hydrophobicity and free energy of adhesion. © Springer-Verlag 2005 |
abstract_unstemmed |
Abstract A hydrogen-producing photosynthetic bacteria strain, Rhodopseudomonas acidophila, was used to investigate the production of extracellular polymeric substances (EPS) in the presence of toxic substances and the effect of toxicants on bacterial surface characteristics. Addition of the toxic substances including Cu(II), Cr(VI), Cd(II) and 2,4-dichlorophenol (2,4-DCP) stimulated the production of EPS but reduced the cell dry weight. At concentrations of 30 mg $ l^{−1} $ Cu(II), 40 mg $ l^{−1} $ Cr(VI), 5 mg $ l^{−1} $ Cd(II) and 100 mg $ l^{−1} $ 2,4-DCP, the EPS content increased by 5.5, 2.5, 4.0 and 1.4 times, respectively, than the control. These toxic substances also greatly influenced the proteins/carbohydrates ratio of EPS. The ratios in the presence of toxic substances were always higher than that of control. Furthermore, under toxic conditions, the increase in the protein content far exceeded than that of others in EPS, suggesting that extracellular proteins could protect cells against toxic substances. The toxic substances significantly changed the surface characteristics and flocculation ability of R. acidophila, such as surface energy, relative hydrophobicity and free energy of adhesion. © Springer-Verlag 2005 |
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