Salinity induced effects on the growth rates and mycelia composition of basidiomycete and zygomycete fungi.
Identifieur interne : 000147 ( Main/Corpus ); précédent : 000146; suivant : 000148Salinity induced effects on the growth rates and mycelia composition of basidiomycete and zygomycete fungi.
Auteurs : C. Venâncio ; R. Pereira ; A C Freitas ; T A P. Rocha-Santos ; J P Da Costa ; A C Duarte ; I. LopesSource :
- Environmental pollution (Barking, Essex : 1987) [ 1873-6424 ] ; 2017.
English descriptors
- KwdEn :
- Basidiomycota (drug effects), Basidiomycota (growth & development), Mycelium (drug effects), Mycelium (growth & development), Rhizopus (drug effects), Rhizopus (growth & development), Salinity (MeSH), Salt Tolerance (drug effects), Seawater (chemistry), Sodium Chloride (toxicity), Soil (chemistry), Soil Microbiology (standards).
- MESH :
- chemical , chemistry : Soil.
- chemical , toxicity : Sodium Chloride.
- chemistry : Seawater.
- drug effects : Basidiomycota, Mycelium, Rhizopus, Salt Tolerance.
- growth & development : Basidiomycota, Mycelium, Rhizopus.
- standards : Soil Microbiology.
- Salinity.
Abstract
Soil salinization, as the combination of primary and secondary events, can adversely affect organisms inhabiting this compartment. In the present study, the effects of increased salinity were assessed in four species of terrestrial fungi: Lentinus sajor caju, Phanerochaete chrysosporium, Rhizopus oryzae and Trametes versicolor. The mycelial growth and biochemical composition of the four fungi were determined under three exposure scenarios: 1) exposure to serial dilutions of natural seawater (SW), 2) exposure to serial concentrations of NaCl (potential surrogate of SW); and 3) exposure to serial concentrations of NaCl after a period of pre-exposure to low levels of NaCl. The toxicity of NaCl was slightly higher than that of SW, for all fungi species: the conductivities causing 50% of growth inhibition (EC50) were within 14.9 and 22.0 mScm-1 for NaCl and within 20.2 and 34.1 mScm-1 for SW. Phanerochaete chrysosporium showed to be the less sensitive species, both for NaCl and SW. Exposure to NaCl caused changes in the biochemical composition of fungi, mainly increasing the production of polysaccharides. When fungi were exposed to SW this pattern of biochemical response was not observed. Fungi pre-exposed to low levels of salinity presented higher EC50 than fungi non-pre-exposed, though 95% confidence limits overlapped, with the exception of P. chrysosporium. Pre-exposure to low levels of NaCl also induced changes in the biochemical composition of the mycelia of L. sajor caju and R. oryzae, relatively to the respective control. These results suggest that some terrestrial fungi may acquire an increased tolerance to NaCl after being pre-exposed to low levels of this salt, thus, suggesting their capacity to persist in environments that will undergo salinization. Furthermore, NaCl could be used as a protective surrogate of SW to derive safe salinity levels for soils, since it induced toxicity similar or higher than that of SW.
DOI: 10.1016/j.envpol.2017.09.075
PubMed: 28964607
Links to Exploration step
pubmed:28964607Le document en format XML
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Pereira</name><affiliation><nlm:affiliation>Department of Biology, Faculty of Sciences of the University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Freitas, A C" sort="Freitas, A C" uniqKey="Freitas A" first="A C" last="Freitas">A C Freitas</name><affiliation><nlm:affiliation>Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina, Rua Arquiteto Lobão Vital, Apartado 2511, 45202-401 Porto, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Rocha Santos, T A P" sort="Rocha Santos, T A P" uniqKey="Rocha Santos T" first="T A P" last="Rocha-Santos">T A P. Rocha-Santos</name><affiliation><nlm:affiliation>Department of Chemistry & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Da Costa, J P" sort="Da Costa, J P" uniqKey="Da Costa J" first="J P" last="Da Costa">J P Da Costa</name><affiliation><nlm:affiliation>Department of Chemistry & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Duarte, A C" sort="Duarte, A C" uniqKey="Duarte A" first="A C" last="Duarte">A C Duarte</name><affiliation><nlm:affiliation>Department of Chemistry & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Lopes, I" sort="Lopes, I" uniqKey="Lopes I" first="I" last="Lopes">I. 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Electronic address: a32884@ua.pt.</nlm:affiliation></affiliation></author><author><name sortKey="Pereira, R" sort="Pereira, R" uniqKey="Pereira R" first="R" last="Pereira">R. Pereira</name><affiliation><nlm:affiliation>Department of Biology, Faculty of Sciences of the University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Freitas, A C" sort="Freitas, A C" uniqKey="Freitas A" first="A C" last="Freitas">A C Freitas</name><affiliation><nlm:affiliation>Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina, Rua Arquiteto Lobão Vital, Apartado 2511, 45202-401 Porto, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Rocha Santos, T A P" sort="Rocha Santos, T A P" uniqKey="Rocha Santos T" first="T A P" last="Rocha-Santos">T A P. Rocha-Santos</name><affiliation><nlm:affiliation>Department of Chemistry & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Da Costa, J P" sort="Da Costa, J P" uniqKey="Da Costa J" first="J P" last="Da Costa">J P Da Costa</name><affiliation><nlm:affiliation>Department of Chemistry & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Duarte, A C" sort="Duarte, A C" uniqKey="Duarte A" first="A C" last="Duarte">A C Duarte</name><affiliation><nlm:affiliation>Department of Chemistry & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</nlm:affiliation></affiliation></author><author><name sortKey="Lopes, I" sort="Lopes, I" uniqKey="Lopes I" first="I" last="Lopes">I. Lopes</name><affiliation><nlm:affiliation>Department of Biology & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Environmental pollution (Barking, Essex : 1987)</title><idno type="eISSN">1873-6424</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Basidiomycota (drug effects)</term><term>Basidiomycota (growth & development)</term><term>Mycelium (drug effects)</term><term>Mycelium (growth & development)</term><term>Rhizopus (drug effects)</term><term>Rhizopus (growth & development)</term><term>Salinity (MeSH)</term><term>Salt Tolerance (drug effects)</term><term>Seawater (chemistry)</term><term>Sodium Chloride (toxicity)</term><term>Soil (chemistry)</term><term>Soil Microbiology (standards)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" type="chemical" qualifier="toxicity" xml:lang="en"><term>Sodium Chloride</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Seawater</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Basidiomycota</term><term>Mycelium</term><term>Rhizopus</term><term>Salt Tolerance</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Basidiomycota</term><term>Mycelium</term><term>Rhizopus</term></keywords><keywords scheme="MESH" qualifier="standards" xml:lang="en"><term>Soil Microbiology</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Salinity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Soil salinization, as the combination of primary and secondary events, can adversely affect organisms inhabiting this compartment. In the present study, the effects of increased salinity were assessed in four species of terrestrial fungi: Lentinus sajor caju, Phanerochaete chrysosporium, Rhizopus oryzae and Trametes versicolor. The mycelial growth and biochemical composition of the four fungi were determined under three exposure scenarios: 1) exposure to serial dilutions of natural seawater (SW), 2) exposure to serial concentrations of NaCl (potential surrogate of SW); and 3) exposure to serial concentrations of NaCl after a period of pre-exposure to low levels of NaCl. The toxicity of NaCl was slightly higher than that of SW, for all fungi species: the conductivities causing 50% of growth inhibition (EC<sub>50</sub>) were within 14.9 and 22.0 mScm<sup>-1</sup> for NaCl and within 20.2 and 34.1 mScm<sup>-1</sup> for SW. Phanerochaete chrysosporium showed to be the less sensitive species, both for NaCl and SW. Exposure to NaCl caused changes in the biochemical composition of fungi, mainly increasing the production of polysaccharides. When fungi were exposed to SW this pattern of biochemical response was not observed. Fungi pre-exposed to low levels of salinity presented higher EC<sub>50</sub> than fungi non-pre-exposed, though 95% confidence limits overlapped, with the exception of P. chrysosporium. Pre-exposure to low levels of NaCl also induced changes in the biochemical composition of the mycelia of L. sajor caju and R. oryzae, relatively to the respective control. These results suggest that some terrestrial fungi may acquire an increased tolerance to NaCl after being pre-exposed to low levels of this salt, thus, suggesting their capacity to persist in environments that will undergo salinization. Furthermore, NaCl could be used as a protective surrogate of SW to derive safe salinity levels for soils, since it induced toxicity similar or higher than that of SW.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">28964607</PMID><DateCompleted><Year>2018</Year><Month>03</Month><Day>05</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>02</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-6424</ISSN><JournalIssue CitedMedium="Internet"><Volume>231</Volume><Issue>Pt 2</Issue><PubDate><Year>2017</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Environmental pollution (Barking, Essex : 1987)</Title><ISOAbbreviation>Environ Pollut</ISOAbbreviation></Journal><ArticleTitle>Salinity induced effects on the growth rates and mycelia composition of basidiomycete and zygomycete fungi.</ArticleTitle><Pagination><MedlinePgn>1633-1641</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0269-7491(17)31416-1</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.envpol.2017.09.075</ELocationID><Abstract><AbstractText>Soil salinization, as the combination of primary and secondary events, can adversely affect organisms inhabiting this compartment. In the present study, the effects of increased salinity were assessed in four species of terrestrial fungi: Lentinus sajor caju, Phanerochaete chrysosporium, Rhizopus oryzae and Trametes versicolor. The mycelial growth and biochemical composition of the four fungi were determined under three exposure scenarios: 1) exposure to serial dilutions of natural seawater (SW), 2) exposure to serial concentrations of NaCl (potential surrogate of SW); and 3) exposure to serial concentrations of NaCl after a period of pre-exposure to low levels of NaCl. The toxicity of NaCl was slightly higher than that of SW, for all fungi species: the conductivities causing 50% of growth inhibition (EC<sub>50</sub>) were within 14.9 and 22.0 mScm<sup>-1</sup> for NaCl and within 20.2 and 34.1 mScm<sup>-1</sup> for SW. Phanerochaete chrysosporium showed to be the less sensitive species, both for NaCl and SW. Exposure to NaCl caused changes in the biochemical composition of fungi, mainly increasing the production of polysaccharides. When fungi were exposed to SW this pattern of biochemical response was not observed. Fungi pre-exposed to low levels of salinity presented higher EC<sub>50</sub> than fungi non-pre-exposed, though 95% confidence limits overlapped, with the exception of P. chrysosporium. Pre-exposure to low levels of NaCl also induced changes in the biochemical composition of the mycelia of L. sajor caju and R. oryzae, relatively to the respective control. These results suggest that some terrestrial fungi may acquire an increased tolerance to NaCl after being pre-exposed to low levels of this salt, thus, suggesting their capacity to persist in environments that will undergo salinization. Furthermore, NaCl could be used as a protective surrogate of SW to derive safe salinity levels for soils, since it induced toxicity similar or higher than that of SW.</AbstractText><CopyrightInformation>Copyright © 2017 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Venâncio</LastName><ForeName>C</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Department of Biology & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal. Electronic address: a32884@ua.pt.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Pereira</LastName><ForeName>R</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Department of Biology, Faculty of Sciences of the University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Freitas</LastName><ForeName>A C</ForeName><Initials>AC</Initials><AffiliationInfo><Affiliation>Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina, Rua Arquiteto Lobão Vital, Apartado 2511, 45202-401 Porto, Portugal.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rocha-Santos</LastName><ForeName>T A P</ForeName><Initials>TAP</Initials><AffiliationInfo><Affiliation>Department of Chemistry & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>da Costa</LastName><ForeName>J P</ForeName><Initials>JP</Initials><AffiliationInfo><Affiliation>Department of Chemistry & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Duarte</LastName><ForeName>A C</ForeName><Initials>AC</Initials><AffiliationInfo><Affiliation>Department of Chemistry & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lopes</LastName><ForeName>I</ForeName><Initials>I</Initials><AffiliationInfo><Affiliation>Department of Biology & CESAM, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>09</Month><Day>28</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Environ Pollut</MedlineTA><NlmUniqueID>8804476</NlmUniqueID><ISSNLinking>0269-7491</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>451W47IQ8X</RegistryNumber><NameOfSubstance UI="D012965">Sodium Chloride</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001487" MajorTopicYN="N">Basidiomycota</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D025282" MajorTopicYN="N">Mycelium</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012233" MajorTopicYN="N">Rhizopus</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D054712" MajorTopicYN="N">Salinity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055049" MajorTopicYN="N">Salt Tolerance</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012623" MajorTopicYN="N">Seawater</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012965" MajorTopicYN="N">Sodium Chloride</DescriptorName><QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012988" MajorTopicYN="N">Soil Microbiology</DescriptorName><QualifierName UI="Q000592" MajorTopicYN="Y">standards</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">FTIR</Keyword><Keyword MajorTopicYN="N">Fungi</Keyword><Keyword MajorTopicYN="N">Pre-exposure</Keyword><Keyword MajorTopicYN="N">Salinity</Keyword><Keyword MajorTopicYN="N">Seawater</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>04</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2017</Year><Month>08</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>09</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2017</Year><Month>10</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>3</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>10</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28964607</ArticleId><ArticleId IdType="pii">S0269-7491(17)31416-1</ArticleId><ArticleId IdType="doi">10.1016/j.envpol.2017.09.075</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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