Exposure to ionizing radiation affects the growth of ectomycorrhizal fungi and induces increased melanin production and increased capacities of reactive oxygen species scavenging enzymes.
Identifieur interne : 000548 ( Main/Exploration ); précédent : 000547; suivant : 000549Exposure to ionizing radiation affects the growth of ectomycorrhizal fungi and induces increased melanin production and increased capacities of reactive oxygen species scavenging enzymes.
Auteurs : David Kothamasi [Inde] ; Jean Wannijn [Belgique] ; May Van Hees [Belgique] ; Robin Nauts [Belgique] ; Axel Van Gompel [Belgique] ; Nathalie Vanhoudt [Belgique] ; Hildegarde Vandenhove [Belgique]Source :
- Journal of environmental radioactivity [ 1879-1700 ] ; 2019.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Mycorhizes.
- effets des radiations : Mycorhizes.
- enzymologie : Mycorhizes.
- métabolisme : Espèces réactives de l'oxygène, Mélanines.
- Basidiomycota, Champignons, Radio-isotopes du césium, Rayonnement ionisant, Écosystème.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Melanins, Reactive Oxygen Species.
- chemical : Cesium Radioisotopes.
- enzymology : Mycorrhizae.
- growth & development : Mycorrhizae.
- radiation effects : Mycorrhizae.
- Basidiomycota, Ecosystem, Fungi, Radiation, Ionizing.
Abstract
Ectomycorrhizal (EM) fungi form symbioses with dominant tree families in boreal, temperate and tropical ecosystems and are important drivers of ecosystem function. EM fungal hyphae extend over a large area making them susceptible to enhanced radiation levels from naturally occurring or anthropogenically originating radioisotopes in the rhizosphere. In this study, the in-vitro effects of ionizing radiation on the growth and biomass of EM fungi Suillus luteus, S. bovinus and Rhizopogon luteolus were investigated. EM fungal cultures were exposed to gamma radiation from a 137Cs source for 137 h in darkness at 21 °C at dose rates of 404, 108.5 and 54.9 mGy h-1 resulting in total absorbed doses of 55.21, 14.82 and 7.50 Gy respectively. Cultures grown in the dark at 21 °C but not exposed to the 137Cs source served as the control. Our results show that EM fungi vary in their sensitivity to ionizing radiation. EM fungi used in this study produced melanin and reactive oxygen species scavenging enzymes such as catalase and superoxide dismutase as a response to ionizing radiation.
DOI: 10.1016/j.jenvrad.2018.11.005
PubMed: 30500479
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Electronic address: dkothamasi@es.du.ac.in.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium; Laboratory of Soil Biology and Microbial Ecology, Department of Environmental Studies, University of Delhi, Delhi, 110 007</wicri:regionArea><wicri:noRegion>110 007</wicri:noRegion></affiliation></author><author><name sortKey="Wannijn, Jean" sort="Wannijn, Jean" uniqKey="Wannijn J" first="Jean" last="Wannijn">Jean Wannijn</name><affiliation wicri:level="1"><nlm:affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol</wicri:regionArea><wicri:noRegion>Mol</wicri:noRegion></affiliation></author><author><name sortKey="Van Hees, May" sort="Van Hees, May" uniqKey="Van Hees M" first="May" last="Van Hees">May Van Hees</name><affiliation wicri:level="1"><nlm:affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol</wicri:regionArea><wicri:noRegion>Mol</wicri:noRegion></affiliation></author><author><name sortKey="Nauts, Robin" sort="Nauts, Robin" uniqKey="Nauts R" first="Robin" last="Nauts">Robin Nauts</name><affiliation wicri:level="1"><nlm:affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol</wicri:regionArea><wicri:noRegion>Mol</wicri:noRegion></affiliation></author><author><name sortKey="Van Gompel, Axel" sort="Van Gompel, Axel" uniqKey="Van Gompel A" first="Axel" last="Van Gompel">Axel Van Gompel</name><affiliation wicri:level="1"><nlm:affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol</wicri:regionArea><wicri:noRegion>Mol</wicri:noRegion></affiliation></author><author><name sortKey="Vanhoudt, Nathalie" sort="Vanhoudt, Nathalie" uniqKey="Vanhoudt N" first="Nathalie" last="Vanhoudt">Nathalie Vanhoudt</name><affiliation wicri:level="1"><nlm:affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol</wicri:regionArea><wicri:noRegion>Mol</wicri:noRegion></affiliation></author><author><name sortKey="Vandenhove, Hildegarde" sort="Vandenhove, Hildegarde" uniqKey="Vandenhove H" first="Hildegarde" last="Vandenhove">Hildegarde Vandenhove</name><affiliation wicri:level="1"><nlm:affiliation>Institute Environment Health and Safety, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Institute Environment Health and Safety, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol</wicri:regionArea><wicri:noRegion>Mol</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of environmental radioactivity</title><idno type="eISSN">1879-1700</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Basidiomycota (MeSH)</term><term>Cesium Radioisotopes (MeSH)</term><term>Ecosystem (MeSH)</term><term>Fungi (MeSH)</term><term>Melanins (metabolism)</term><term>Mycorrhizae (enzymology)</term><term>Mycorrhizae (growth & development)</term><term>Mycorrhizae (radiation effects)</term><term>Radiation, Ionizing (MeSH)</term><term>Reactive Oxygen Species (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Basidiomycota (MeSH)</term><term>Champignons (MeSH)</term><term>Espèces réactives de l'oxygène (métabolisme)</term><term>Mycorhizes (croissance et développement)</term><term>Mycorhizes (effets des radiations)</term><term>Mycorhizes (enzymologie)</term><term>Mélanines (métabolisme)</term><term>Radio-isotopes du césium (MeSH)</term><term>Rayonnement ionisant (MeSH)</term><term>Écosystème (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Melanins</term><term>Reactive Oxygen Species</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Cesium Radioisotopes</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="effets des radiations" xml:lang="fr"><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Espèces réactives de l'oxygène</term><term>Mélanines</term></keywords><keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Basidiomycota</term><term>Ecosystem</term><term>Fungi</term><term>Radiation, Ionizing</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Basidiomycota</term><term>Champignons</term><term>Radio-isotopes du césium</term><term>Rayonnement ionisant</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Ectomycorrhizal (EM) fungi form symbioses with dominant tree families in boreal, temperate and tropical ecosystems and are important drivers of ecosystem function. EM fungal hyphae extend over a large area making them susceptible to enhanced radiation levels from naturally occurring or anthropogenically originating radioisotopes in the rhizosphere. In this study, the in-vitro effects of ionizing radiation on the growth and biomass of EM fungi Suillus luteus, S. bovinus and Rhizopogon luteolus were investigated. EM fungal cultures were exposed to gamma radiation from a <sup>137</sup>Cs source for 137 h in darkness at 21 °C at dose rates of 404, 108.5 and 54.9 mGy h<sup>-1</sup> resulting in total absorbed doses of 55.21, 14.82 and 7.50 Gy respectively. Cultures grown in the dark at 21 °C but not exposed to the <sup>137</sup>Cs source served as the control. Our results show that EM fungi vary in their sensitivity to ionizing radiation. EM fungi used in this study produced melanin and reactive oxygen species scavenging enzymes such as catalase and superoxide dismutase as a response to ionizing radiation.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30500479</PMID><DateCompleted><Year>2019</Year><Month>01</Month><Day>09</Day></DateCompleted><DateRevised><Year>2019</Year><Month>01</Month><Day>09</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1700</ISSN><JournalIssue CitedMedium="Internet"><Volume>197</Volume><PubDate><Year>2019</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Journal of environmental radioactivity</Title><ISOAbbreviation>J Environ Radioact</ISOAbbreviation></Journal><ArticleTitle>Exposure to ionizing radiation affects the growth of ectomycorrhizal fungi and induces increased melanin production and increased capacities of reactive oxygen species scavenging enzymes.</ArticleTitle><Pagination><MedlinePgn>16-22</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0265-931X(18)30081-X</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jenvrad.2018.11.005</ELocationID><Abstract><AbstractText>Ectomycorrhizal (EM) fungi form symbioses with dominant tree families in boreal, temperate and tropical ecosystems and are important drivers of ecosystem function. EM fungal hyphae extend over a large area making them susceptible to enhanced radiation levels from naturally occurring or anthropogenically originating radioisotopes in the rhizosphere. In this study, the in-vitro effects of ionizing radiation on the growth and biomass of EM fungi Suillus luteus, S. bovinus and Rhizopogon luteolus were investigated. EM fungal cultures were exposed to gamma radiation from a <sup>137</sup>Cs source for 137 h in darkness at 21 °C at dose rates of 404, 108.5 and 54.9 mGy h<sup>-1</sup> resulting in total absorbed doses of 55.21, 14.82 and 7.50 Gy respectively. Cultures grown in the dark at 21 °C but not exposed to the <sup>137</sup>Cs source served as the control. Our results show that EM fungi vary in their sensitivity to ionizing radiation. EM fungi used in this study produced melanin and reactive oxygen species scavenging enzymes such as catalase and superoxide dismutase as a response to ionizing radiation.</AbstractText><CopyrightInformation>Copyright © 2018 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kothamasi</LastName><ForeName>David</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium; Laboratory of Soil Biology and Microbial Ecology, Department of Environmental Studies, University of Delhi, Delhi, 110 007, India. Electronic address: dkothamasi@es.du.ac.in.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wannijn</LastName><ForeName>Jean</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Van Hees</LastName><ForeName>May</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Nauts</LastName><ForeName>Robin</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Van Gompel</LastName><ForeName>Axel</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Vanhoudt</LastName><ForeName>Nathalie</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Biosphere Impact Studies Unit, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Vandenhove</LastName><ForeName>Hildegarde</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Institute Environment Health and Safety, Belgian Nuclear Research Center (SCK•CEN), Boeretang 200, 2400, Mol, Belgium.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>11</Month><Day>27</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>J Environ Radioact</MedlineTA><NlmUniqueID>8508119</NlmUniqueID><ISSNLinking>0265-931X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D002588">Cesium Radioisotopes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D008543">Melanins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D017382">Reactive Oxygen Species</NameOfSubstance></Chemical><Chemical><RegistryNumber>4T2E65IAR7</RegistryNumber><NameOfSubstance UI="C000614989">Cesium-137</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001487" MajorTopicYN="N">Basidiomycota</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002588" MajorTopicYN="N">Cesium Radioisotopes</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005658" MajorTopicYN="N">Fungi</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008543" MajorTopicYN="N">Melanins</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000528" MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011839" MajorTopicYN="Y">Radiation, Ionizing</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017382" MajorTopicYN="N">Reactive Oxygen Species</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Catalase</Keyword><Keyword MajorTopicYN="N">Ectomycorrhizal fungi</Keyword><Keyword MajorTopicYN="N">Ionizing radiation</Keyword><Keyword MajorTopicYN="N">Melanin</Keyword><Keyword MajorTopicYN="N">Superoxide dismutase</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year><Month>02</Month><Day>02</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2018</Year><Month>10</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>11</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>12</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>1</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>12</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30500479</ArticleId><ArticleId IdType="pii">S0265-931X(18)30081-X</ArticleId><ArticleId IdType="doi">10.1016/j.jenvrad.2018.11.005</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Belgique</li><li>Inde</li></country></list><tree><country name="Inde"><noRegion><name sortKey="Kothamasi, David" sort="Kothamasi, David" uniqKey="Kothamasi D" first="David" last="Kothamasi">David Kothamasi</name></noRegion></country><country name="Belgique"><noRegion><name sortKey="Wannijn, Jean" sort="Wannijn, Jean" uniqKey="Wannijn J" first="Jean" last="Wannijn">Jean Wannijn</name></noRegion><name sortKey="Nauts, Robin" sort="Nauts, Robin" uniqKey="Nauts R" first="Robin" last="Nauts">Robin Nauts</name><name sortKey="Van Gompel, Axel" sort="Van Gompel, Axel" uniqKey="Van Gompel A" first="Axel" last="Van Gompel">Axel Van Gompel</name><name sortKey="Van Hees, May" sort="Van Hees, May" uniqKey="Van Hees M" first="May" last="Van Hees">May Van Hees</name><name sortKey="Vandenhove, Hildegarde" sort="Vandenhove, Hildegarde" uniqKey="Vandenhove H" first="Hildegarde" last="Vandenhove">Hildegarde Vandenhove</name><name sortKey="Vanhoudt, Nathalie" sort="Vanhoudt, Nathalie" uniqKey="Vanhoudt N" first="Nathalie" last="Vanhoudt">Nathalie Vanhoudt</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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