Effects of gamma irradiation on Holcus lanatus (Yorkshire fog grass) and associated soil microorganisms
An investigation was conducted to determine the impact of acute doses of gamma radiation on the microbial community structure of a Holcus lanatus dominated grassland soil. Mesocosms containing soil and established grass were irradiated using a sealed 137Cs source (7.0 Gy min –1). Doses ranged from 5...
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| Veröffentlicht in: | Journal of environmental radioactivity 2004, Vol.74 (1), p.57-71 |
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| creator | Jones, Helen E. West, Helen M. Chamberlain, Paul M. Parekh, Nisha R. Beresford, Nick A. Crout, Neil M.J. |
| description | An investigation was conducted to determine the impact of acute doses of gamma radiation on the microbial community structure of a
Holcus lanatus dominated grassland soil. Mesocosms containing soil and established grass were irradiated using a sealed
137Cs source (7.0 Gy min
–1). Doses ranged from 5 to 160 Gy, analyses were conducted on the day of irradiation, then 7 and 30 days later. Plant growth and arbuscular mycorrhizal fungal colonisation of roots were reduced by irradiation. Gram-negative bacteria, and microbial metabolic capacity were also negatively affected by treatment. Microbial biomass measured by phospholipid fatty acid (PLFA) analysis, showed an increase at doses above 20 Gy, 7 and 30 days after treatment. Proportions of Gram-positive bacterial and fungal PLFAs fluctuated inversely to each other, in response to both sampling time and radiation dose. We hypothesise that many of the observed soil microbial responses are indirect effects mediated by the influence of ionising radiation on the plants in this system. |
| doi_str_mv | 10.1016/j.jenvrad.2004.01.027 |
| format | Article |
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Holcus lanatus dominated grassland soil. Mesocosms containing soil and established grass were irradiated using a sealed
137Cs source (7.0 Gy min
–1). Doses ranged from 5 to 160 Gy, analyses were conducted on the day of irradiation, then 7 and 30 days later. Plant growth and arbuscular mycorrhizal fungal colonisation of roots were reduced by irradiation. Gram-negative bacteria, and microbial metabolic capacity were also negatively affected by treatment. Microbial biomass measured by phospholipid fatty acid (PLFA) analysis, showed an increase at doses above 20 Gy, 7 and 30 days after treatment. Proportions of Gram-positive bacterial and fungal PLFAs fluctuated inversely to each other, in response to both sampling time and radiation dose. We hypothesise that many of the observed soil microbial responses are indirect effects mediated by the influence of ionising radiation on the plants in this system.</description><identifier>ISSN: 0265-931X</identifier><identifier>EISSN: 1879-1700</identifier><identifier>DOI: 10.1016/j.jenvrad.2004.01.027</identifier><identifier>PMID: 15063536</identifier><identifier>CODEN: JERAEE</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Arbuscular mycorrhiza ; BIOLOG ; Biological and medical sciences ; Biological effects of radiation ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; Fungi - growth & development ; Gamma Rays - adverse effects ; Gamma-irradiation ; Gram-Negative Bacteria - growth & development ; Holcus - growth & development ; Holcus - microbiology ; Holcus lanatus ; Microbial community structure ; Plant Roots - microbiology ; PLFA ; Pollution ; Pollution, environment geology ; Population Dynamics ; Radiocontamination ; Soil Microbiology ; Tissues, organs and organisms biophysics</subject><ispartof>Journal of environmental radioactivity, 2004, Vol.74 (1), p.57-71</ispartof><rights>2004 Elsevier Ltd</rights><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-c4fb081f790c09e9bcef09f928155271835ebeee595c916b97d85d7b12a1d9233</citedby><cites>FETCH-LOGICAL-c453t-c4fb081f790c09e9bcef09f928155271835ebeee595c916b97d85d7b12a1d9233</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jenvrad.2004.01.027$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,3550,4024,4050,4051,23930,23931,25140,27923,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15788426$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15063536$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jones, Helen E.</creatorcontrib><creatorcontrib>West, Helen M.</creatorcontrib><creatorcontrib>Chamberlain, Paul M.</creatorcontrib><creatorcontrib>Parekh, Nisha R.</creatorcontrib><creatorcontrib>Beresford, Nick A.</creatorcontrib><creatorcontrib>Crout, Neil M.J.</creatorcontrib><title>Effects of gamma irradiation on Holcus lanatus (Yorkshire fog grass) and associated soil microorganisms</title><title>Journal of environmental radioactivity</title><addtitle>J Environ Radioact</addtitle><description>An investigation was conducted to determine the impact of acute doses of gamma radiation on the microbial community structure of a
Holcus lanatus dominated grassland soil. Mesocosms containing soil and established grass were irradiated using a sealed
137Cs source (7.0 Gy min
–1). Doses ranged from 5 to 160 Gy, analyses were conducted on the day of irradiation, then 7 and 30 days later. Plant growth and arbuscular mycorrhizal fungal colonisation of roots were reduced by irradiation. Gram-negative bacteria, and microbial metabolic capacity were also negatively affected by treatment. Microbial biomass measured by phospholipid fatty acid (PLFA) analysis, showed an increase at doses above 20 Gy, 7 and 30 days after treatment. Proportions of Gram-positive bacterial and fungal PLFAs fluctuated inversely to each other, in response to both sampling time and radiation dose. We hypothesise that many of the observed soil microbial responses are indirect effects mediated by the influence of ionising radiation on the plants in this system.</description><subject>Applied sciences</subject><subject>Arbuscular mycorrhiza</subject><subject>BIOLOG</subject><subject>Biological and medical sciences</subject><subject>Biological effects of radiation</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Exact sciences and technology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungi - growth & development</subject><subject>Gamma Rays - adverse effects</subject><subject>Gamma-irradiation</subject><subject>Gram-Negative Bacteria - growth & development</subject><subject>Holcus - growth & development</subject><subject>Holcus - microbiology</subject><subject>Holcus lanatus</subject><subject>Microbial community structure</subject><subject>Plant Roots - microbiology</subject><subject>PLFA</subject><subject>Pollution</subject><subject>Pollution, environment geology</subject><subject>Population Dynamics</subject><subject>Radiocontamination</subject><subject>Soil Microbiology</subject><subject>Tissues, organs and organisms biophysics</subject><issn>0265-931X</issn><issn>1879-1700</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUFv1DAQhS1ERZfCTwD5AoLDhrETJ_GpQlWhlSr1UiQ4WY4zDl6SuHiylfj3eLWR4LaS5bGsb57H7zH2RkAhQNSfdsUO56dk-0ICVAWIAmTzjG1E2-itaACesw3IWm11Kb6fs5dEO4B838oX7FwoqEtV1hs2XHuPbiEePR_sNFkeUhYNdglx5nndxNHtiY92tkuuH37E9It-hoTcx4EPyRJ95HbueT5El_uw5xTDyKfgUoxpsHOgiV6xM29HwtdrvWDfvlw_XN1s7-6_3l59vtu6SpVL3n0HrfCNBgcadefQg_ZatkIp2Yi2VNghotLKaVF3uulb1TedkFb0WpblBXt_1H1M8fceaTFTIIdjnh_jnkyWyC4IeRIUjZYgs0knwarWlVJ1BtURzP8mSujNYwqTTX-MAHPIzOzMmpk5ZGZAmJxZ7nu7PrDvJuz_da0hZeDdClhydvTJzi7Qf1zTtpU8cJdHDrPBTwGTIRdwdtjnuNxi-hhOjPIXeZe39w</recordid><startdate>2004</startdate><enddate>2004</enddate><creator>Jones, Helen E.</creator><creator>West, Helen M.</creator><creator>Chamberlain, Paul M.</creator><creator>Parekh, Nisha R.</creator><creator>Beresford, Nick A.</creator><creator>Crout, Neil M.J.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><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>C1K</scope><scope>SOI</scope><scope>7T7</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>2004</creationdate><title>Effects of gamma irradiation on Holcus lanatus (Yorkshire fog grass) and associated soil microorganisms</title><author>Jones, Helen E. ; West, Helen M. ; Chamberlain, Paul M. ; Parekh, Nisha R. ; Beresford, Nick A. ; Crout, Neil M.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-c4fb081f790c09e9bcef09f928155271835ebeee595c916b97d85d7b12a1d9233</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Applied sciences</topic><topic>Arbuscular mycorrhiza</topic><topic>BIOLOG</topic><topic>Biological and medical sciences</topic><topic>Biological effects of radiation</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Exact sciences and technology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungi - growth & development</topic><topic>Gamma Rays - adverse effects</topic><topic>Gamma-irradiation</topic><topic>Gram-Negative Bacteria - growth & development</topic><topic>Holcus - growth & development</topic><topic>Holcus - microbiology</topic><topic>Holcus lanatus</topic><topic>Microbial community structure</topic><topic>Plant Roots - microbiology</topic><topic>PLFA</topic><topic>Pollution</topic><topic>Pollution, environment geology</topic><topic>Population Dynamics</topic><topic>Radiocontamination</topic><topic>Soil Microbiology</topic><topic>Tissues, organs and organisms biophysics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jones, Helen E.</creatorcontrib><creatorcontrib>West, Helen M.</creatorcontrib><creatorcontrib>Chamberlain, Paul M.</creatorcontrib><creatorcontrib>Parekh, Nisha R.</creatorcontrib><creatorcontrib>Beresford, Nick A.</creatorcontrib><creatorcontrib>Crout, Neil M.J.</creatorcontrib><collection>Pascal-Francis</collection><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>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of environmental radioactivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jones, Helen E.</au><au>West, Helen M.</au><au>Chamberlain, Paul M.</au><au>Parekh, Nisha R.</au><au>Beresford, Nick A.</au><au>Crout, Neil M.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of gamma irradiation on Holcus lanatus (Yorkshire fog grass) and associated soil microorganisms</atitle><jtitle>Journal of environmental radioactivity</jtitle><addtitle>J Environ Radioact</addtitle><date>2004</date><risdate>2004</risdate><volume>74</volume><issue>1</issue><spage>57</spage><epage>71</epage><pages>57-71</pages><issn>0265-931X</issn><eissn>1879-1700</eissn><coden>JERAEE</coden><abstract>An investigation was conducted to determine the impact of acute doses of gamma radiation on the microbial community structure of a
Holcus lanatus dominated grassland soil. Mesocosms containing soil and established grass were irradiated using a sealed
137Cs source (7.0 Gy min
–1). Doses ranged from 5 to 160 Gy, analyses were conducted on the day of irradiation, then 7 and 30 days later. Plant growth and arbuscular mycorrhizal fungal colonisation of roots were reduced by irradiation. Gram-negative bacteria, and microbial metabolic capacity were also negatively affected by treatment. Microbial biomass measured by phospholipid fatty acid (PLFA) analysis, showed an increase at doses above 20 Gy, 7 and 30 days after treatment. Proportions of Gram-positive bacterial and fungal PLFAs fluctuated inversely to each other, in response to both sampling time and radiation dose. We hypothesise that many of the observed soil microbial responses are indirect effects mediated by the influence of ionising radiation on the plants in this system.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>15063536</pmid><doi>10.1016/j.jenvrad.2004.01.027</doi><tpages>15</tpages></addata></record> |
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| subjects | Applied sciences Arbuscular mycorrhiza BIOLOG Biological and medical sciences Biological effects of radiation Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Fundamental and applied biological sciences. Psychology Fungi - growth & development Gamma Rays - adverse effects Gamma-irradiation Gram-Negative Bacteria - growth & development Holcus - growth & development Holcus - microbiology Holcus lanatus Microbial community structure Plant Roots - microbiology PLFA Pollution Pollution, environment geology Population Dynamics Radiocontamination Soil Microbiology Tissues, organs and organisms biophysics |
| title | Effects of gamma irradiation on Holcus lanatus (Yorkshire fog grass) and associated soil microorganisms |
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