Induction of nitrate reductase in needles of Scots pine seedlings by NOX and NO3−
The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Wingsle, Gunnar [verfasserIn] Näsholm, Torgny [verfasserIn] Lundmark, Tomas [verfasserIn] |
|---|
| Format: |
E-Artikel |
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| Erschienen: |
Oxford, UK: Blackwell Publishing Ltd ; 1987 |
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| Schlagwörter: |
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| Umfang: |
Online-Ressource |
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| Reproduktion: |
2006 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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| Übergeordnetes Werk: |
In: Physiologia plantarum - Oxford [u.a.] : Wiley-Blackwell, 1948, 70(1987), 3, Seite 0 |
| Übergeordnetes Werk: |
volume:70 ; year:1987 ; number:3 ; pages:0 |
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| DOI / URN: |
10.1111/j.1399-3054.1987.tb02835.x |
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| 520 | |a The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected in the needles. Detached seedlings placed in NO3− solution showed increasing NR activities with increasing NO3− concentrations. Exposure of seedlings to NOx (70–80 ppb NO2 and 8–12ppb NO) resulted in an increase of the NR activity from 10–20 nmol NO2− (g fresh weight)−1 h−1 to about 400 nmol NO2− (g fresh weight)−1 h−1. This level was reached after 2–4 days of exposure, thereafter the NR activity decreased to about 200 nmol NO2− (g fresh weight)−1 h−1. Analyses of free amino acids showed low concentrations of arginine and glutamine in NOx-fumigated seedlings compared to corresponding controls. | ||
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10.1111/j.1399-3054.1987.tb02835.x doi (DE-627)NLEJ24096487X DE-627 ger DE-627 rakwb Wingsle, Gunnar verfasserin aut Induction of nitrate reductase in needles of Scots pine seedlings by NOX and NO3− Oxford, UK Blackwell Publishing Ltd 1987 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected in the needles. Detached seedlings placed in NO3− solution showed increasing NR activities with increasing NO3− concentrations. Exposure of seedlings to NOx (70–80 ppb NO2 and 8–12ppb NO) resulted in an increase of the NR activity from 10–20 nmol NO2− (g fresh weight)−1 h−1 to about 400 nmol NO2− (g fresh weight)−1 h−1. This level was reached after 2–4 days of exposure, thereafter the NR activity decreased to about 200 nmol NO2− (g fresh weight)−1 h−1. Analyses of free amino acids showed low concentrations of arginine and glutamine in NOx-fumigated seedlings compared to corresponding controls. 2006 Blackwell Publishing Journal Backfiles 1879-2005 |2006|||||||||| Air pollutants Näsholm, Torgny verfasserin aut Lundmark, Tomas verfasserin aut Ericsson, Anders oth In Physiologia plantarum Oxford [u.a.] : Wiley-Blackwell, 1948 70(1987), 3, Seite 0 Online-Ressource (DE-627)NLEJ243927738 (DE-600)2020837-6 1399-3054 nnns volume:70 year:1987 number:3 pages:0 http://dx.doi.org/10.1111/j.1399-3054.1987.tb02835.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 70 1987 3 0 |
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10.1111/j.1399-3054.1987.tb02835.x doi (DE-627)NLEJ24096487X DE-627 ger DE-627 rakwb Wingsle, Gunnar verfasserin aut Induction of nitrate reductase in needles of Scots pine seedlings by NOX and NO3− Oxford, UK Blackwell Publishing Ltd 1987 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected in the needles. Detached seedlings placed in NO3− solution showed increasing NR activities with increasing NO3− concentrations. Exposure of seedlings to NOx (70–80 ppb NO2 and 8–12ppb NO) resulted in an increase of the NR activity from 10–20 nmol NO2− (g fresh weight)−1 h−1 to about 400 nmol NO2− (g fresh weight)−1 h−1. This level was reached after 2–4 days of exposure, thereafter the NR activity decreased to about 200 nmol NO2− (g fresh weight)−1 h−1. Analyses of free amino acids showed low concentrations of arginine and glutamine in NOx-fumigated seedlings compared to corresponding controls. 2006 Blackwell Publishing Journal Backfiles 1879-2005 |2006|||||||||| Air pollutants Näsholm, Torgny verfasserin aut Lundmark, Tomas verfasserin aut Ericsson, Anders oth In Physiologia plantarum Oxford [u.a.] : Wiley-Blackwell, 1948 70(1987), 3, Seite 0 Online-Ressource (DE-627)NLEJ243927738 (DE-600)2020837-6 1399-3054 nnns volume:70 year:1987 number:3 pages:0 http://dx.doi.org/10.1111/j.1399-3054.1987.tb02835.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 70 1987 3 0 |
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10.1111/j.1399-3054.1987.tb02835.x doi (DE-627)NLEJ24096487X DE-627 ger DE-627 rakwb Wingsle, Gunnar verfasserin aut Induction of nitrate reductase in needles of Scots pine seedlings by NOX and NO3− Oxford, UK Blackwell Publishing Ltd 1987 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected in the needles. Detached seedlings placed in NO3− solution showed increasing NR activities with increasing NO3− concentrations. Exposure of seedlings to NOx (70–80 ppb NO2 and 8–12ppb NO) resulted in an increase of the NR activity from 10–20 nmol NO2− (g fresh weight)−1 h−1 to about 400 nmol NO2− (g fresh weight)−1 h−1. This level was reached after 2–4 days of exposure, thereafter the NR activity decreased to about 200 nmol NO2− (g fresh weight)−1 h−1. Analyses of free amino acids showed low concentrations of arginine and glutamine in NOx-fumigated seedlings compared to corresponding controls. 2006 Blackwell Publishing Journal Backfiles 1879-2005 |2006|||||||||| Air pollutants Näsholm, Torgny verfasserin aut Lundmark, Tomas verfasserin aut Ericsson, Anders oth In Physiologia plantarum Oxford [u.a.] : Wiley-Blackwell, 1948 70(1987), 3, Seite 0 Online-Ressource (DE-627)NLEJ243927738 (DE-600)2020837-6 1399-3054 nnns volume:70 year:1987 number:3 pages:0 http://dx.doi.org/10.1111/j.1399-3054.1987.tb02835.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 70 1987 3 0 |
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10.1111/j.1399-3054.1987.tb02835.x doi (DE-627)NLEJ24096487X DE-627 ger DE-627 rakwb Wingsle, Gunnar verfasserin aut Induction of nitrate reductase in needles of Scots pine seedlings by NOX and NO3− Oxford, UK Blackwell Publishing Ltd 1987 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected in the needles. Detached seedlings placed in NO3− solution showed increasing NR activities with increasing NO3− concentrations. Exposure of seedlings to NOx (70–80 ppb NO2 and 8–12ppb NO) resulted in an increase of the NR activity from 10–20 nmol NO2− (g fresh weight)−1 h−1 to about 400 nmol NO2− (g fresh weight)−1 h−1. This level was reached after 2–4 days of exposure, thereafter the NR activity decreased to about 200 nmol NO2− (g fresh weight)−1 h−1. Analyses of free amino acids showed low concentrations of arginine and glutamine in NOx-fumigated seedlings compared to corresponding controls. 2006 Blackwell Publishing Journal Backfiles 1879-2005 |2006|||||||||| Air pollutants Näsholm, Torgny verfasserin aut Lundmark, Tomas verfasserin aut Ericsson, Anders oth In Physiologia plantarum Oxford [u.a.] : Wiley-Blackwell, 1948 70(1987), 3, Seite 0 Online-Ressource (DE-627)NLEJ243927738 (DE-600)2020837-6 1399-3054 nnns volume:70 year:1987 number:3 pages:0 http://dx.doi.org/10.1111/j.1399-3054.1987.tb02835.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 70 1987 3 0 |
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10.1111/j.1399-3054.1987.tb02835.x doi (DE-627)NLEJ24096487X DE-627 ger DE-627 rakwb Wingsle, Gunnar verfasserin aut Induction of nitrate reductase in needles of Scots pine seedlings by NOX and NO3− Oxford, UK Blackwell Publishing Ltd 1987 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected in the needles. Detached seedlings placed in NO3− solution showed increasing NR activities with increasing NO3− concentrations. Exposure of seedlings to NOx (70–80 ppb NO2 and 8–12ppb NO) resulted in an increase of the NR activity from 10–20 nmol NO2− (g fresh weight)−1 h−1 to about 400 nmol NO2− (g fresh weight)−1 h−1. This level was reached after 2–4 days of exposure, thereafter the NR activity decreased to about 200 nmol NO2− (g fresh weight)−1 h−1. Analyses of free amino acids showed low concentrations of arginine and glutamine in NOx-fumigated seedlings compared to corresponding controls. 2006 Blackwell Publishing Journal Backfiles 1879-2005 |2006|||||||||| Air pollutants Näsholm, Torgny verfasserin aut Lundmark, Tomas verfasserin aut Ericsson, Anders oth In Physiologia plantarum Oxford [u.a.] : Wiley-Blackwell, 1948 70(1987), 3, Seite 0 Online-Ressource (DE-627)NLEJ243927738 (DE-600)2020837-6 1399-3054 nnns volume:70 year:1987 number:3 pages:0 http://dx.doi.org/10.1111/j.1399-3054.1987.tb02835.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 70 1987 3 0 |
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| abstract |
The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected in the needles. Detached seedlings placed in NO3− solution showed increasing NR activities with increasing NO3− concentrations. Exposure of seedlings to NOx (70–80 ppb NO2 and 8–12ppb NO) resulted in an increase of the NR activity from 10–20 nmol NO2− (g fresh weight)−1 h−1 to about 400 nmol NO2− (g fresh weight)−1 h−1. This level was reached after 2–4 days of exposure, thereafter the NR activity decreased to about 200 nmol NO2− (g fresh weight)−1 h−1. Analyses of free amino acids showed low concentrations of arginine and glutamine in NOx-fumigated seedlings compared to corresponding controls. |
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The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected in the needles. Detached seedlings placed in NO3− solution showed increasing NR activities with increasing NO3− concentrations. Exposure of seedlings to NOx (70–80 ppb NO2 and 8–12ppb NO) resulted in an increase of the NR activity from 10–20 nmol NO2− (g fresh weight)−1 h−1 to about 400 nmol NO2− (g fresh weight)−1 h−1. This level was reached after 2–4 days of exposure, thereafter the NR activity decreased to about 200 nmol NO2− (g fresh weight)−1 h−1. Analyses of free amino acids showed low concentrations of arginine and glutamine in NOx-fumigated seedlings compared to corresponding controls. |
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The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected in the needles. Detached seedlings placed in NO3− solution showed increasing NR activities with increasing NO3− concentrations. Exposure of seedlings to NOx (70–80 ppb NO2 and 8–12ppb NO) resulted in an increase of the NR activity from 10–20 nmol NO2− (g fresh weight)−1 h−1 to about 400 nmol NO2− (g fresh weight)−1 h−1. This level was reached after 2–4 days of exposure, thereafter the NR activity decreased to about 200 nmol NO2− (g fresh weight)−1 h−1. Analyses of free amino acids showed low concentrations of arginine and glutamine in NOx-fumigated seedlings compared to corresponding controls. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">NLEJ24096487X</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20210707123317.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">120426s1987 xx |||||o 00| ||und c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1111/j.1399-3054.1987.tb02835.x</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ24096487X</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Wingsle, Gunnar</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Induction of nitrate reductase in needles of Scots pine seedlings by NOX and NO3−</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Oxford, UK</subfield><subfield code="b">Blackwell Publishing Ltd</subfield><subfield code="c">1987</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">z</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zu</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">The possibility to induce nitrate reductase (NR; EC 1.6.6.2) in needles of Scots pine (Pinus sylvestris L.) seedlings was studied. The NR activity was measured by an in vivo assay. Although increased NR activities were found in the roots after application of NO3−, no such increase could be detected in the needles. Detached seedlings placed in NO3− solution showed increasing NR activities with increasing NO3− concentrations. Exposure of seedlings to NOx (70–80 ppb NO2 and 8–12ppb NO) resulted in an increase of the NR activity from 10–20 nmol NO2− (g fresh weight)−1 h−1 to about 400 nmol NO2− (g fresh weight)−1 h−1. This level was reached after 2–4 days of exposure, thereafter the NR activity decreased to about 200 nmol NO2− (g fresh weight)−1 h−1. Analyses of free amino acids showed low concentrations of arginine and glutamine in NOx-fumigated seedlings compared to corresponding controls.</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="d">2006</subfield><subfield code="f">Blackwell Publishing Journal Backfiles 1879-2005</subfield><subfield code="7">|2006||||||||||</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Air pollutants</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Näsholm, Torgny</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lundmark, Tomas</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ericsson, Anders</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">In</subfield><subfield code="t">Physiologia plantarum</subfield><subfield code="d">Oxford [u.a.] : Wiley-Blackwell, 1948</subfield><subfield code="g">70(1987), 3, Seite 0</subfield><subfield code="h">Online-Ressource</subfield><subfield code="w">(DE-627)NLEJ243927738</subfield><subfield code="w">(DE-600)2020837-6</subfield><subfield code="x">1399-3054</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:70</subfield><subfield code="g">year:1987</subfield><subfield code="g">number:3</subfield><subfield code="g">pages:0</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">http://dx.doi.org/10.1111/j.1399-3054.1987.tb02835.x</subfield><subfield code="q">text/html</subfield><subfield code="x">Verlag</subfield><subfield code="z">Deutschlandweit zugänglich</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-DJB</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">70</subfield><subfield code="j">1987</subfield><subfield code="e">3</subfield><subfield code="h">0</subfield></datafield></record></collection>
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