Microstructural and physiological responses to cadmium stress under different nitrogen levels in Populus cathayana females and males.
Identifieur interne : 000266 ( Main/Exploration ); précédent : 000265; suivant : 000267Microstructural and physiological responses to cadmium stress under different nitrogen levels in Populus cathayana females and males.
Auteurs : Miao Liu [République populaire de Chine] ; Jingwen Bi [République populaire de Chine] ; Xiucheng Liu [République populaire de Chine] ; Jieyu Kang [République populaire de Chine] ; Helena Korpelainen [Finlande] ; Ülo Niinemets [Estonie, République populaire de Chine] ; Chunyang Li [République populaire de Chine]Source :
- Tree physiology [ 1758-4469 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Populus.
- toxicité : Cadmium.
- Azote, Dépollution biologique de l'environnement, Feuilles de plante, Racines de plante, Stress physiologique.
English descriptors
- KwdEn :
- MESH :
- chemical , toxicity : Cadmium.
- genetics : Populus.
- Biodegradation, Environmental, Nitrogen, Plant Leaves, Plant Roots, Stress, Physiological.
Abstract
Although increasing attention has been paid to the relationships between heavy metal and nitrogen (N) availability, the mechanism underlying adaptation to cadmium (Cd) stress in dioecious plants has been largely overlooked. This study examined Cd accumulation, translocation and allocation among tissues and cellular compartments in Populus cathayana Rehder females and males. Both leaf Cd accumulation and root-to-shoot Cd translocation were significantly greater in females than in males under a normal N supply, but they were reduced in females and enhanced in males under N deficiency. The genes related to Cd uptake and translocation, HMA2, YSL2 and ZIP2, were strongly induced by Cd stress in female roots and in males under a normal N supply. Cadmium largely accumulated in the leaf blades of females and in the leaf veins of males under a normal N supply, while the contrary was true under N deficiency. Furthermore, Cd was mainly distributed in the leaf epidermis and spongy tissues of males, and in the leaf palisade tissues of females. Nitrogen deficiency increased Cd allocation to the spongy tissues of female leaves and to the palisade tissues of males. In roots, Cd was preferentially distributed to the epidermis and cortices in both sexes, and also to the vascular tissues of females under a normal N supply but not under N deficiency. These results suggested that males possess better Cd tolerance compared with females, even under N deficiency, which is associated with their reduced root-to-shoot Cd translocation, specific Cd distribution in organic and/or cellular compartments, and enhanced antioxidation and ion homeostasis. Our study also provides new insights into engineering woody plants for phytoremediation.
DOI: 10.1093/treephys/tpz115
PubMed: 31748807
Affiliations:
- Estonie, Finlande, République populaire de Chine
- Uusimaa, Zhejiang
- Hangzhou, Helsinki
- Université d'Helsinki
Links toward previous steps (curation, corpus...)
Le document en format XML
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stress under different nitrogen levels in Populus cathayana females and males.</title><author><name sortKey="Liu, Miao" sort="Liu, Miao" uniqKey="Liu M" first="Miao" last="Liu">Miao Liu</name><affiliation wicri:level="1"><nlm:affiliation>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036</wicri:regionArea><placeName><settlement type="city">Hangzhou</settlement><region type="province">Zhejiang</region></placeName></affiliation></author><author><name sortKey="Bi, Jingwen" sort="Bi, Jingwen" uniqKey="Bi J" first="Jingwen" last="Bi">Jingwen Bi</name><affiliation wicri:level="1"><nlm:affiliation>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China.</nlm:affiliation><country xml:lang="fr">République populaire de 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wicri:level="1"><nlm:affiliation>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036</wicri:regionArea><placeName><settlement type="city">Hangzhou</settlement><region type="province">Zhejiang</region></placeName></affiliation></author><author><name sortKey="Korpelainen, Helena" sort="Korpelainen, Helena" uniqKey="Korpelainen H" first="Helena" last="Korpelainen">Helena Korpelainen</name><affiliation wicri:level="4"><nlm:affiliation>Department of Agricultural Sciences, Viikki Plant Science Centre, University of Helsinki, Helsinki, PO Box 27, FI-00014, Finland.</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>Department of Agricultural Sciences, Viikki Plant Science Centre, University of Helsinki, Helsinki, PO Box 27, FI-00014</wicri:regionArea><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation></author><author><name sortKey="Niinemets, Ulo" sort="Niinemets, Ulo" uniqKey="Niinemets U" first="Ülo" last="Niinemets">Ülo Niinemets</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006 Tartu, Estonia.</nlm:affiliation><country xml:lang="fr">Estonie</country><wicri:regionArea>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006 Tartu</wicri:regionArea><wicri:noRegion>51006 Tartu</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Estonian Academy of Sciences, Kohtu 6, 10130 Tallinn, Estonia.</nlm:affiliation><country xml:lang="fr">Estonie</country><wicri:regionArea>Estonian Academy of Sciences, Kohtu 6, 10130 Tallinn</wicri:regionArea><wicri:noRegion>10130 Tallinn</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>School of Forestry and Bio-Technology, Zhejiang Agriculture & Forestry University, Hangzhou 311300, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>School of Forestry and Bio-Technology, Zhejiang Agriculture & Forestry University, Hangzhou 311300</wicri:regionArea><placeName><settlement type="city">Hangzhou</settlement><region type="province">Zhejiang</region></placeName></affiliation></author><author><name sortKey="Li, Chunyang" sort="Li, Chunyang" uniqKey="Li C" first="Chunyang" last="Li">Chunyang Li</name><affiliation wicri:level="1"><nlm:affiliation>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036</wicri:regionArea><placeName><settlement type="city">Hangzhou</settlement><region type="province">Zhejiang</region></placeName></affiliation></author></analytic><series><title level="j">Tree physiology</title><idno type="eISSN">1758-4469</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodegradation, Environmental (MeSH)</term><term>Cadmium (toxicity)</term><term>Nitrogen (MeSH)</term><term>Plant Leaves (MeSH)</term><term>Plant Roots (MeSH)</term><term>Populus (genetics)</term><term>Stress, Physiological (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Azote (MeSH)</term><term>Cadmium (toxicité)</term><term>Dépollution biologique de l'environnement (MeSH)</term><term>Feuilles de plante (MeSH)</term><term>Populus (génétique)</term><term>Racines de plante (MeSH)</term><term>Stress physiologique (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="toxicity" xml:lang="en"><term>Cadmium</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="toxicité" xml:lang="fr"><term>Cadmium</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biodegradation, Environmental</term><term>Nitrogen</term><term>Plant Leaves</term><term>Plant Roots</term><term>Stress, Physiological</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Azote</term><term>Dépollution biologique de l'environnement</term><term>Feuilles de plante</term><term>Racines de plante</term><term>Stress physiologique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Although increasing attention has been paid to the relationships between heavy metal and nitrogen (N) availability, the mechanism underlying adaptation to cadmium (Cd) stress in dioecious plants has been largely overlooked. This study examined Cd accumulation, translocation and allocation among tissues and cellular compartments in Populus cathayana Rehder females and males. Both leaf Cd accumulation and root-to-shoot Cd translocation were significantly greater in females than in males under a normal N supply, but they were reduced in females and enhanced in males under N deficiency. The genes related to Cd uptake and translocation, HMA2, YSL2 and ZIP2, were strongly induced by Cd stress in female roots and in males under a normal N supply. Cadmium largely accumulated in the leaf blades of females and in the leaf veins of males under a normal N supply, while the contrary was true under N deficiency. Furthermore, Cd was mainly distributed in the leaf epidermis and spongy tissues of males, and in the leaf palisade tissues of females. Nitrogen deficiency increased Cd allocation to the spongy tissues of female leaves and to the palisade tissues of males. In roots, Cd was preferentially distributed to the epidermis and cortices in both sexes, and also to the vascular tissues of females under a normal N supply but not under N deficiency. These results suggested that males possess better Cd tolerance compared with females, even under N deficiency, which is associated with their reduced root-to-shoot Cd translocation, specific Cd distribution in organic and/or cellular compartments, and enhanced antioxidation and ion homeostasis. Our study also provides new insights into engineering woody plants for phytoremediation.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">31748807</PMID><DateCompleted><Year>2020</Year><Month>09</Month><Day>30</Day></DateCompleted><DateRevised><Year>2020</Year><Month>10</Month><Day>01</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>40</Volume><Issue>1</Issue><PubDate><Year>2020</Year><Month>01</Month><Day>01</Day></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Microstructural and physiological responses to cadmium stress under different nitrogen levels in Populus cathayana females and males.</ArticleTitle><Pagination><MedlinePgn>30-45</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpz115</ELocationID><Abstract><AbstractText>Although increasing attention has been paid to the relationships between heavy metal and nitrogen (N) availability, the mechanism underlying adaptation to cadmium (Cd) stress in dioecious plants has been largely overlooked. This study examined Cd accumulation, translocation and allocation among tissues and cellular compartments in Populus cathayana Rehder females and males. Both leaf Cd accumulation and root-to-shoot Cd translocation were significantly greater in females than in males under a normal N supply, but they were reduced in females and enhanced in males under N deficiency. The genes related to Cd uptake and translocation, HMA2, YSL2 and ZIP2, were strongly induced by Cd stress in female roots and in males under a normal N supply. Cadmium largely accumulated in the leaf blades of females and in the leaf veins of males under a normal N supply, while the contrary was true under N deficiency. Furthermore, Cd was mainly distributed in the leaf epidermis and spongy tissues of males, and in the leaf palisade tissues of females. Nitrogen deficiency increased Cd allocation to the spongy tissues of female leaves and to the palisade tissues of males. In roots, Cd was preferentially distributed to the epidermis and cortices in both sexes, and also to the vascular tissues of females under a normal N supply but not under N deficiency. These results suggested that males possess better Cd tolerance compared with females, even under N deficiency, which is associated with their reduced root-to-shoot Cd translocation, specific Cd distribution in organic and/or cellular compartments, and enhanced antioxidation and ion homeostasis. Our study also provides new insights into engineering woody plants for phytoremediation.</AbstractText><CopyrightInformation>© The Author(s) 2020. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permission@oup.com.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Miao</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bi</LastName><ForeName>Jingwen</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Xiucheng</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kang</LastName><ForeName>Jieyu</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Korpelainen</LastName><ForeName>Helena</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Department of Agricultural Sciences, Viikki Plant Science Centre, University of Helsinki, Helsinki, PO Box 27, FI-00014, Finland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Niinemets</LastName><ForeName>Ülo</ForeName><Initials>Ü</Initials><AffiliationInfo><Affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006 Tartu, Estonia.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Estonian Academy of Sciences, Kohtu 6, 10130 Tallinn, Estonia.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>School of Forestry and Bio-Technology, Zhejiang Agriculture & Forestry University, Hangzhou 311300, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Chunyang</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>00BH33GNGH</RegistryNumber><NameOfSubstance UI="D002104">Cadmium</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001673" MajorTopicYN="N">Biodegradation, Environmental</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002104" MajorTopicYN="N">Cadmium</DescriptorName><QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013312" MajorTopicYN="N">Stress, Physiological</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Cd distribution</Keyword><Keyword MajorTopicYN="Y">dioecy</Keyword><Keyword MajorTopicYN="Y">nitrogen level</Keyword><Keyword MajorTopicYN="Y">sequestration</Keyword><Keyword MajorTopicYN="Y">sexual differences</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>06</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2019</Year><Month>09</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>10</Month><Day>24</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>11</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>10</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>11</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31748807</ArticleId><ArticleId IdType="pii">5636868</ArticleId><ArticleId IdType="doi">10.1093/treephys/tpz115</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Estonie</li><li>Finlande</li><li>République populaire de Chine</li></country><region><li>Uusimaa</li><li>Zhejiang</li></region><settlement><li>Hangzhou</li><li>Helsinki</li></settlement><orgName><li>Université d'Helsinki</li></orgName></list><tree><country name="République populaire de Chine"><region name="Zhejiang"><name sortKey="Liu, Miao" sort="Liu, Miao" uniqKey="Liu M" first="Miao" last="Liu">Miao Liu</name></region><name sortKey="Bi, Jingwen" sort="Bi, Jingwen" uniqKey="Bi J" first="Jingwen" last="Bi">Jingwen Bi</name><name sortKey="Kang, Jieyu" sort="Kang, Jieyu" uniqKey="Kang J" first="Jieyu" last="Kang">Jieyu Kang</name><name sortKey="Li, Chunyang" sort="Li, Chunyang" uniqKey="Li C" first="Chunyang" last="Li">Chunyang Li</name><name sortKey="Liu, Xiucheng" sort="Liu, Xiucheng" uniqKey="Liu X" first="Xiucheng" last="Liu">Xiucheng Liu</name><name sortKey="Niinemets, Ulo" sort="Niinemets, Ulo" uniqKey="Niinemets U" first="Ülo" last="Niinemets">Ülo Niinemets</name></country><country name="Finlande"><region name="Uusimaa"><name sortKey="Korpelainen, Helena" sort="Korpelainen, Helena" uniqKey="Korpelainen H" first="Helena" last="Korpelainen">Helena Korpelainen</name></region></country><country name="Estonie"><noRegion><name sortKey="Niinemets, Ulo" sort="Niinemets, Ulo" uniqKey="Niinemets U" first="Ülo" last="Niinemets">Ülo Niinemets</name></noRegion><name sortKey="Niinemets, Ulo" sort="Niinemets, Ulo" uniqKey="Niinemets U" first="Ülo" 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