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Do polyamines alter the sensitivity of lichens to nitrogen stress?
The sensitivity of lichens measuring photosynthetic efficiency and polyamines as modulator of nitrogen stress tolerance was investigated. Two lichen species with a markedly different tolerance to nitrogen compounds, namely Evernia prunastri (L.) Ach. and Xanthoria parietina (L.) Th.Fr., were incubat...
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| Published in: | Ecotoxicology and environmental safety 2009-07, Vol.72 (5), p.1331-1336 |
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| Main Authors: | , , , |
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| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c454t-ee1085afb3d224f5244dcf57f8d8b299a1ad2095dee62e6fd5acec647dd6682c3 |
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| container_title | Ecotoxicology and environmental safety |
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| creator | Pirintsos, S.A. Munzi, S. Loppi, S. Kotzabasis, K. |
| description | The sensitivity of lichens measuring photosynthetic efficiency and polyamines as modulator of nitrogen stress tolerance was investigated. Two lichen species with a markedly different tolerance to nitrogen compounds, namely
Evernia prunastri (L.) Ach. and
Xanthoria parietina (L.) Th.Fr., were incubated with deionized water (control) and solutions of KNO
3, NH
4NO
3 and (NH
4)
2SO
4 and then exposed to different light conditions. The
F
v/
F
m parameter (maximum quantum efficiency of photosystem II) was used as stress indicator. The results showed that
F
v/
F
m values, in the produced experimental conditions, were independent from the light gradient. Photosynthetic efficiency of
E. prunastri was impaired by high ammonium concentrations, while nitrate had no effect;
X. parietina was hardly influenced by nitrogen compounds. External supply of polyamines reduced the sensitivity of
E. prunastri, while polyamine inhibitors reduced the tolerance of
X. parietina to NH
4
+, suggesting that polyamines play an important role in modulating the sensitivity/tolerance to nitrogen stress. |
| doi_str_mv | 10.1016/j.ecoenv.2009.03.001 |
| format | article |
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Evernia prunastri (L.) Ach. and
Xanthoria parietina (L.) Th.Fr., were incubated with deionized water (control) and solutions of KNO
3, NH
4NO
3 and (NH
4)
2SO
4 and then exposed to different light conditions. The
F
v/
F
m parameter (maximum quantum efficiency of photosystem II) was used as stress indicator. The results showed that
F
v/
F
m values, in the produced experimental conditions, were independent from the light gradient. Photosynthetic efficiency of
E. prunastri was impaired by high ammonium concentrations, while nitrate had no effect;
X. parietina was hardly influenced by nitrogen compounds. External supply of polyamines reduced the sensitivity of
E. prunastri, while polyamine inhibitors reduced the tolerance of
X. parietina to NH
4
+, suggesting that polyamines play an important role in modulating the sensitivity/tolerance to nitrogen stress.</description><identifier>ISSN: 0147-6513</identifier><identifier>EISSN: 1090-2414</identifier><identifier>DOI: 10.1016/j.ecoenv.2009.03.001</identifier><identifier>PMID: 19376578</identifier><language>eng</language><publisher>Netherlands: Elsevier Inc</publisher><subject>Adaptation, Physiological ; Ammonium Sulfate - metabolism ; Chlorophyll - metabolism ; Dose-Response Relationship, Drug ; Environmental Monitoring ; Environmental Pollutants - metabolism ; Evernia prunastri ; Lichen sensitivity/tolerance ; Lichens - metabolism ; Light ; Light intensity ; Nitrates - metabolism ; Nitrogen ; Nitrogen - metabolism ; Photosynthesis ; Photosynthetic efficiency ; Photosystem II Protein Complex - metabolism ; Polyamines ; Polyamines - metabolism ; Potassium Compounds - metabolism ; Stress, Physiological ; Time Factors ; Xanthoria parietina</subject><ispartof>Ecotoxicology and environmental safety, 2009-07, Vol.72 (5), p.1331-1336</ispartof><rights>2009 Elsevier Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c454t-ee1085afb3d224f5244dcf57f8d8b299a1ad2095dee62e6fd5acec647dd6682c3</citedby><cites>FETCH-LOGICAL-c454t-ee1085afb3d224f5244dcf57f8d8b299a1ad2095dee62e6fd5acec647dd6682c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0147651309000372$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27924,27925,45780</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19376578$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pirintsos, S.A.</creatorcontrib><creatorcontrib>Munzi, S.</creatorcontrib><creatorcontrib>Loppi, S.</creatorcontrib><creatorcontrib>Kotzabasis, K.</creatorcontrib><title>Do polyamines alter the sensitivity of lichens to nitrogen stress?</title><title>Ecotoxicology and environmental safety</title><addtitle>Ecotoxicol Environ Saf</addtitle><description>The sensitivity of lichens measuring photosynthetic efficiency and polyamines as modulator of nitrogen stress tolerance was investigated. Two lichen species with a markedly different tolerance to nitrogen compounds, namely
Evernia prunastri (L.) Ach. and
Xanthoria parietina (L.) Th.Fr., were incubated with deionized water (control) and solutions of KNO
3, NH
4NO
3 and (NH
4)
2SO
4 and then exposed to different light conditions. The
F
v/
F
m parameter (maximum quantum efficiency of photosystem II) was used as stress indicator. The results showed that
F
v/
F
m values, in the produced experimental conditions, were independent from the light gradient. Photosynthetic efficiency of
E. prunastri was impaired by high ammonium concentrations, while nitrate had no effect;
X. parietina was hardly influenced by nitrogen compounds. External supply of polyamines reduced the sensitivity of
E. prunastri, while polyamine inhibitors reduced the tolerance of
X. parietina to NH
4
+, suggesting that polyamines play an important role in modulating the sensitivity/tolerance to nitrogen stress.</description><subject>Adaptation, Physiological</subject><subject>Ammonium Sulfate - metabolism</subject><subject>Chlorophyll - metabolism</subject><subject>Dose-Response Relationship, Drug</subject><subject>Environmental Monitoring</subject><subject>Environmental Pollutants - metabolism</subject><subject>Evernia prunastri</subject><subject>Lichen sensitivity/tolerance</subject><subject>Lichens - metabolism</subject><subject>Light</subject><subject>Light intensity</subject><subject>Nitrates - metabolism</subject><subject>Nitrogen</subject><subject>Nitrogen - metabolism</subject><subject>Photosynthesis</subject><subject>Photosynthetic efficiency</subject><subject>Photosystem II Protein Complex - metabolism</subject><subject>Polyamines</subject><subject>Polyamines - metabolism</subject><subject>Potassium Compounds - metabolism</subject><subject>Stress, Physiological</subject><subject>Time Factors</subject><subject>Xanthoria parietina</subject><issn>0147-6513</issn><issn>1090-2414</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkU1rGzEQhkVpaNy0_6AUndrTbkafu7oktGnzAYFc0rOQpdlGZr1yJNngf98NNuSWngaG530H5iHkC4OWAdPnqxZ9wmnXcgDTgmgB2DuyYGCg4ZLJ92QBTHaNVkycko-lrABAgFIfyCkzotOq6xfk569EN2ncu3WcsFA3Vsy0PiEtOJVY4y7WPU0DHaN_mje0JjrFmtNfnGipGUu5_EROBjcW_HycZ-TP9e_Hq9vm_uHm7urHfeOlkrVBZNArNyxF4FwOiksZ_KC6oQ_9khvjmAscjAqImqMegnIevZZdCFr33Isz8v3Qu8npeYul2nUsHsfRTZi2xRoQmhlQ3Ux-e5MUUnLBe_gvyEFzw42YQXkAfU6lZBzsJse1y3vLwL7osCt70GFfdFgQdtYxx74e-7fLNYbX0PH_M3BxAHB-3C5itsVHnDyGmNFXG1J8-8I_N9edqQ</recordid><startdate>20090701</startdate><enddate>20090701</enddate><creator>Pirintsos, S.A.</creator><creator>Munzi, S.</creator><creator>Loppi, S.</creator><creator>Kotzabasis, K.</creator><general>Elsevier Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7U7</scope><scope>C1K</scope><scope>M7N</scope><scope>SOI</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20090701</creationdate><title>Do polyamines alter the sensitivity of lichens to nitrogen stress?</title><author>Pirintsos, S.A. ; Munzi, S. ; Loppi, S. ; Kotzabasis, K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c454t-ee1085afb3d224f5244dcf57f8d8b299a1ad2095dee62e6fd5acec647dd6682c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Adaptation, Physiological</topic><topic>Ammonium Sulfate - metabolism</topic><topic>Chlorophyll - metabolism</topic><topic>Dose-Response Relationship, Drug</topic><topic>Environmental Monitoring</topic><topic>Environmental Pollutants - metabolism</topic><topic>Evernia prunastri</topic><topic>Lichen sensitivity/tolerance</topic><topic>Lichens - metabolism</topic><topic>Light</topic><topic>Light intensity</topic><topic>Nitrates - metabolism</topic><topic>Nitrogen</topic><topic>Nitrogen - metabolism</topic><topic>Photosynthesis</topic><topic>Photosynthetic efficiency</topic><topic>Photosystem II Protein Complex - metabolism</topic><topic>Polyamines</topic><topic>Polyamines - metabolism</topic><topic>Potassium Compounds - metabolism</topic><topic>Stress, Physiological</topic><topic>Time Factors</topic><topic>Xanthoria parietina</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pirintsos, S.A.</creatorcontrib><creatorcontrib>Munzi, S.</creatorcontrib><creatorcontrib>Loppi, S.</creatorcontrib><creatorcontrib>Kotzabasis, K.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Ecotoxicology and environmental safety</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pirintsos, S.A.</au><au>Munzi, S.</au><au>Loppi, S.</au><au>Kotzabasis, K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Do polyamines alter the sensitivity of lichens to nitrogen stress?</atitle><jtitle>Ecotoxicology and environmental safety</jtitle><addtitle>Ecotoxicol Environ Saf</addtitle><date>2009-07-01</date><risdate>2009</risdate><volume>72</volume><issue>5</issue><spage>1331</spage><epage>1336</epage><pages>1331-1336</pages><issn>0147-6513</issn><eissn>1090-2414</eissn><abstract>The sensitivity of lichens measuring photosynthetic efficiency and polyamines as modulator of nitrogen stress tolerance was investigated. Two lichen species with a markedly different tolerance to nitrogen compounds, namely
Evernia prunastri (L.) Ach. and
Xanthoria parietina (L.) Th.Fr., were incubated with deionized water (control) and solutions of KNO
3, NH
4NO
3 and (NH
4)
2SO
4 and then exposed to different light conditions. The
F
v/
F
m parameter (maximum quantum efficiency of photosystem II) was used as stress indicator. The results showed that
F
v/
F
m values, in the produced experimental conditions, were independent from the light gradient. Photosynthetic efficiency of
E. prunastri was impaired by high ammonium concentrations, while nitrate had no effect;
X. parietina was hardly influenced by nitrogen compounds. External supply of polyamines reduced the sensitivity of
E. prunastri, while polyamine inhibitors reduced the tolerance of
X. parietina to NH
4
+, suggesting that polyamines play an important role in modulating the sensitivity/tolerance to nitrogen stress.</abstract><cop>Netherlands</cop><pub>Elsevier Inc</pub><pmid>19376578</pmid><doi>10.1016/j.ecoenv.2009.03.001</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0147-6513 |
| ispartof | Ecotoxicology and environmental safety, 2009-07, Vol.72 (5), p.1331-1336 |
| issn | 0147-6513 1090-2414 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_903619057 |
| source | ScienceDirect; ScienceDirect Journals |
| subjects | Adaptation, Physiological Ammonium Sulfate - metabolism Chlorophyll - metabolism Dose-Response Relationship, Drug Environmental Monitoring Environmental Pollutants - metabolism Evernia prunastri Lichen sensitivity/tolerance Lichens - metabolism Light Light intensity Nitrates - metabolism Nitrogen Nitrogen - metabolism Photosynthesis Photosynthetic efficiency Photosystem II Protein Complex - metabolism Polyamines Polyamines - metabolism Potassium Compounds - metabolism Stress, Physiological Time Factors Xanthoria parietina |
| title | Do polyamines alter the sensitivity of lichens to nitrogen stress? |
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