Effect of glyphosate on the microbial activity of two Brazilian soils
Glyphosate [ N-(phosphonomethyl)-glycine] is a broad-spectrum, non-selective, post-emergence herbicide that is widely used in agricultural. We studied, in vitro, changes in the microbial activity of typical Hapludult and Hapludox Brazilian soils, with and without applied glyphosate. Glyphosate was a...
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| Veröffentlicht in: | Chemosphere (Oxford) 2003-08, Vol.52 (5), p.799-804 |
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| creator | Araújo, A.S.F. Monteiro, R.T.R. Abarkeli, R.B. |
| description | Glyphosate [
N-(phosphonomethyl)-glycine] is a broad-spectrum, non-selective, post-emergence herbicide that is widely used in agricultural. We studied, in vitro, changes in the microbial activity of typical Hapludult and Hapludox Brazilian soils, with and without applied glyphosate. Glyphosate was applied at a rate of 2.16 mg glyphosate kg
−1 of soil and microbial activity was measured by soil respiration (evolution of CO
2) and fluorescein diacetate (FDA) hydrolysis over a period of 32 days. We found an increase of 10–15% in the CO
2 evolved and a 9–19% increase in FDA hydrolyses in the presence of glyphosate compared with the same type of soil which had never received glyphosate. Soil which had been exposed to glyphosate for several years had the strongest response in microbial activity. Most probable number (MPN) counts showed that after 32 days incubation the number of actinomycetes and fungi had increased while the number of bacteria showed a slight reduction. After the incubation period, high pressure liquid chromatography (HPLC) detected the glyphosate metabolite aminomethyl phosphonic acid (AMPA), indicating glyphosate degradation by soil microorganisms. |
| doi_str_mv | 10.1016/S0045-6535(03)00266-2 |
| format | Article |
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N-(phosphonomethyl)-glycine] is a broad-spectrum, non-selective, post-emergence herbicide that is widely used in agricultural. We studied, in vitro, changes in the microbial activity of typical Hapludult and Hapludox Brazilian soils, with and without applied glyphosate. Glyphosate was applied at a rate of 2.16 mg glyphosate kg
−1 of soil and microbial activity was measured by soil respiration (evolution of CO
2) and fluorescein diacetate (FDA) hydrolysis over a period of 32 days. We found an increase of 10–15% in the CO
2 evolved and a 9–19% increase in FDA hydrolyses in the presence of glyphosate compared with the same type of soil which had never received glyphosate. Soil which had been exposed to glyphosate for several years had the strongest response in microbial activity. Most probable number (MPN) counts showed that after 32 days incubation the number of actinomycetes and fungi had increased while the number of bacteria showed a slight reduction. After the incubation period, high pressure liquid chromatography (HPLC) detected the glyphosate metabolite aminomethyl phosphonic acid (AMPA), indicating glyphosate degradation by soil microorganisms.</description><identifier>ISSN: 0045-6535</identifier><identifier>EISSN: 1879-1298</identifier><identifier>DOI: 10.1016/S0045-6535(03)00266-2</identifier><identifier>PMID: 12757780</identifier><identifier>CODEN: CMSHAF</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Bacteria - drug effects ; Bacteria - growth & development ; Bacteria - metabolism ; Biodegradation ; Biodegradation of pollutants ; Biodegradation, Environmental ; Biological and medical sciences ; Biotechnology ; Brazil ; Carbon Dioxide - analysis ; Environment and pollution ; Fluoresceins - analysis ; Fluoresceins - chemistry ; Fundamental and applied biological sciences. Psychology ; Fungi - drug effects ; Fungi - growth & development ; Fungi - metabolism ; Glycine - analogs & derivatives ; Glycine - metabolism ; Glycine - pharmacology ; Glyphosate ; Herbicide ; Herbicides - metabolism ; Herbicides - pharmacology ; Hydrolysis ; Industrial applications and implications. Economical aspects ; Organophosphorus Compounds - analysis ; Oxisol ; Soil - analysis ; Soil Microbiology ; Ultisol</subject><ispartof>Chemosphere (Oxford), 2003-08, Vol.52 (5), p.799-804</ispartof><rights>2003 Elsevier Science Ltd</rights><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c469t-de3f11bbce85df96b4e28a669b3f9e6910b6639ed377996bdf40e2152d322f283</citedby><cites>FETCH-LOGICAL-c469t-de3f11bbce85df96b4e28a669b3f9e6910b6639ed377996bdf40e2152d322f283</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0045-6535(03)00266-2$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14848456$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12757780$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Araújo, A.S.F.</creatorcontrib><creatorcontrib>Monteiro, R.T.R.</creatorcontrib><creatorcontrib>Abarkeli, R.B.</creatorcontrib><title>Effect of glyphosate on the microbial activity of two Brazilian soils</title><title>Chemosphere (Oxford)</title><addtitle>Chemosphere</addtitle><description>Glyphosate [
N-(phosphonomethyl)-glycine] is a broad-spectrum, non-selective, post-emergence herbicide that is widely used in agricultural. We studied, in vitro, changes in the microbial activity of typical Hapludult and Hapludox Brazilian soils, with and without applied glyphosate. Glyphosate was applied at a rate of 2.16 mg glyphosate kg
−1 of soil and microbial activity was measured by soil respiration (evolution of CO
2) and fluorescein diacetate (FDA) hydrolysis over a period of 32 days. We found an increase of 10–15% in the CO
2 evolved and a 9–19% increase in FDA hydrolyses in the presence of glyphosate compared with the same type of soil which had never received glyphosate. Soil which had been exposed to glyphosate for several years had the strongest response in microbial activity. Most probable number (MPN) counts showed that after 32 days incubation the number of actinomycetes and fungi had increased while the number of bacteria showed a slight reduction. After the incubation period, high pressure liquid chromatography (HPLC) detected the glyphosate metabolite aminomethyl phosphonic acid (AMPA), indicating glyphosate degradation by soil microorganisms.</description><subject>Bacteria - drug effects</subject><subject>Bacteria - growth & development</subject><subject>Bacteria - metabolism</subject><subject>Biodegradation</subject><subject>Biodegradation of pollutants</subject><subject>Biodegradation, Environmental</subject><subject>Biological and medical sciences</subject><subject>Biotechnology</subject><subject>Brazil</subject><subject>Carbon Dioxide - analysis</subject><subject>Environment and pollution</subject><subject>Fluoresceins - analysis</subject><subject>Fluoresceins - chemistry</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungi - drug effects</subject><subject>Fungi - growth & development</subject><subject>Fungi - metabolism</subject><subject>Glycine - analogs & derivatives</subject><subject>Glycine - metabolism</subject><subject>Glycine - pharmacology</subject><subject>Glyphosate</subject><subject>Herbicide</subject><subject>Herbicides - metabolism</subject><subject>Herbicides - pharmacology</subject><subject>Hydrolysis</subject><subject>Industrial applications and implications. Economical aspects</subject><subject>Organophosphorus Compounds - analysis</subject><subject>Oxisol</subject><subject>Soil - analysis</subject><subject>Soil Microbiology</subject><subject>Ultisol</subject><issn>0045-6535</issn><issn>1879-1298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkLtOwzAUhi0EglJ4BFAWEAwBX2InnhCgcpGQGIDZcpxjapTGxU6LytPj0oqOyMMZ_P3n8iF0RPAFwURcvmBc8Fxwxs8wO8eYCpHTLTQgVSlzQmW1jQZ_yB7aj_ED4xTkchftEVrysqzwAI1G1oLpM2-z93YxHfuoe8h8l_VjyCbOBF873Wba9G7u-sWS6798dhP0t2ud7rLoXRsP0I7VbYTDdR2it7vR6-1D_vR8_3h7_ZSbQsg-b4BZQuraQMUbK0VdAK20ELJmVoKQBNdCMAkNK0uZvhtbYKCE04ZRamnFhuh01Xca_OcMYq8mLhpoW92Bn0VFCiEEpTSBfAWmA2IMYNU0uIkOC0WwWvpTv_7UUo7CTP36U8vc8XrArJ5As0mthSXgZA3oaHRrg-6MixuuqNLjInFXKw6SjrmDoKJx0BloXEi-VePdP6v8AAxMi_s</recordid><startdate>20030801</startdate><enddate>20030801</enddate><creator>Araújo, A.S.F.</creator><creator>Monteiro, R.T.R.</creator><creator>Abarkeli, R.B.</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></search><sort><creationdate>20030801</creationdate><title>Effect of glyphosate on the microbial activity of two Brazilian soils</title><author>Araújo, A.S.F. ; Monteiro, R.T.R. ; Abarkeli, R.B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c469t-de3f11bbce85df96b4e28a669b3f9e6910b6639ed377996bdf40e2152d322f283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Bacteria - drug effects</topic><topic>Bacteria - growth & development</topic><topic>Bacteria - metabolism</topic><topic>Biodegradation</topic><topic>Biodegradation of pollutants</topic><topic>Biodegradation, Environmental</topic><topic>Biological and medical sciences</topic><topic>Biotechnology</topic><topic>Brazil</topic><topic>Carbon Dioxide - analysis</topic><topic>Environment and pollution</topic><topic>Fluoresceins - analysis</topic><topic>Fluoresceins - chemistry</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungi - drug effects</topic><topic>Fungi - growth & development</topic><topic>Fungi - metabolism</topic><topic>Glycine - analogs & derivatives</topic><topic>Glycine - metabolism</topic><topic>Glycine - pharmacology</topic><topic>Glyphosate</topic><topic>Herbicide</topic><topic>Herbicides - metabolism</topic><topic>Herbicides - pharmacology</topic><topic>Hydrolysis</topic><topic>Industrial applications and implications. Economical aspects</topic><topic>Organophosphorus Compounds - analysis</topic><topic>Oxisol</topic><topic>Soil - analysis</topic><topic>Soil Microbiology</topic><topic>Ultisol</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Araújo, A.S.F.</creatorcontrib><creatorcontrib>Monteiro, R.T.R.</creatorcontrib><creatorcontrib>Abarkeli, R.B.</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><jtitle>Chemosphere (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Araújo, A.S.F.</au><au>Monteiro, R.T.R.</au><au>Abarkeli, R.B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of glyphosate on the microbial activity of two Brazilian soils</atitle><jtitle>Chemosphere (Oxford)</jtitle><addtitle>Chemosphere</addtitle><date>2003-08-01</date><risdate>2003</risdate><volume>52</volume><issue>5</issue><spage>799</spage><epage>804</epage><pages>799-804</pages><issn>0045-6535</issn><eissn>1879-1298</eissn><coden>CMSHAF</coden><abstract>Glyphosate [
N-(phosphonomethyl)-glycine] is a broad-spectrum, non-selective, post-emergence herbicide that is widely used in agricultural. We studied, in vitro, changes in the microbial activity of typical Hapludult and Hapludox Brazilian soils, with and without applied glyphosate. Glyphosate was applied at a rate of 2.16 mg glyphosate kg
−1 of soil and microbial activity was measured by soil respiration (evolution of CO
2) and fluorescein diacetate (FDA) hydrolysis over a period of 32 days. We found an increase of 10–15% in the CO
2 evolved and a 9–19% increase in FDA hydrolyses in the presence of glyphosate compared with the same type of soil which had never received glyphosate. Soil which had been exposed to glyphosate for several years had the strongest response in microbial activity. Most probable number (MPN) counts showed that after 32 days incubation the number of actinomycetes and fungi had increased while the number of bacteria showed a slight reduction. After the incubation period, high pressure liquid chromatography (HPLC) detected the glyphosate metabolite aminomethyl phosphonic acid (AMPA), indicating glyphosate degradation by soil microorganisms.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>12757780</pmid><doi>10.1016/S0045-6535(03)00266-2</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Bacteria - drug effects Bacteria - growth & development Bacteria - metabolism Biodegradation Biodegradation of pollutants Biodegradation, Environmental Biological and medical sciences Biotechnology Brazil Carbon Dioxide - analysis Environment and pollution Fluoresceins - analysis Fluoresceins - chemistry Fundamental and applied biological sciences. Psychology Fungi - drug effects Fungi - growth & development Fungi - metabolism Glycine - analogs & derivatives Glycine - metabolism Glycine - pharmacology Glyphosate Herbicide Herbicides - metabolism Herbicides - pharmacology Hydrolysis Industrial applications and implications. Economical aspects Organophosphorus Compounds - analysis Oxisol Soil - analysis Soil Microbiology Ultisol |
| title | Effect of glyphosate on the microbial activity of two Brazilian soils |
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