Phosphorus and nitrogen physiology of two contrasting poplar genotypes when exposed to phosphorus and/or nitrogen starvation.
Identifieur interne : 001730 ( Main/Exploration ); précédent : 001729; suivant : 001731Phosphorus and nitrogen physiology of two contrasting poplar genotypes when exposed to phosphorus and/or nitrogen starvation.
Auteurs : Honghao Gan [République populaire de Chine] ; Yu Jiao [République populaire de Chine] ; Jingbo Jia [République populaire de Chine] ; Xinli Wang [République populaire de Chine] ; Hong Li [République populaire de Chine] ; Wenguang Shi [République populaire de Chine] ; Changhui Peng [République populaire de Chine] ; Andrea Polle [Allemagne] ; Zhi-Bin Luo [Oman]Source :
- Tree physiology [ 1758-4469 ] ; 2016.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Nitrogen, Phosphorus.
- genetics : Populus.
- metabolism : Populus.
- Acclimatization, Genotype.
Abstract
Phosphorus (P) and nitrogen (N) are the two essential macronutrients for tree growth and development. To elucidate the P and N physiology of woody plants during acclimation to P and/or N starvation, we exposed saplings of the slow-growing Populus simonii Carr (Ps) and the fast-growing Populus × euramericana Dode (Pe) to complete nutrients or starvation of P, N or both elements (NP). P. × euramericana had lower P and N concentrations and greater P and N amounts due to higher biomass production, thereby resulting in greater phosphorus use efficiency/N use efficiency (PUE/NUE) compared with Ps. Compared with the roots of Ps, the roots of Pe exhibited higher enzymatic activities in terms of acid phosphatases (APs) and malate dehydrogenase (MDH), which are involved in P mobilization, and nitrate reductase (NR), glutamate synthase (GOGAT) and glutamate dehydrogenase (GDH), which participate in N assimilation. The responsiveness of the transcriptional regulation of key genes encoding transporters for phosphate, ammonium and nitrate was stronger in Pe than in Ps. These results suggest that Pe possesses a higher capacity for P/N uptake and assimilation, which promote faster growth compared with Ps. In both poplars, P or NP starvation caused significant decreases in the P concentrations and increases in PUE. Phosphorus deprivation induced the activity levels of APs, phosphoenolpyruvate carboxylase and MDH in both genotypes. Nitrogen or NP deficiency resulted in lower N concentrations, amino acid levels, NR and GOGAT activities, and higher NUE in both poplars. Thus, in Ps and Pe, the mRNA levels of PHT1;5, PHT1;9, PHT2;1, AMT2;1 and NR increased in the roots, while PHT1;9, PHO1;H1, PHO2, AMT1;1 and NRT2;1 increased in the leaves during acclimation to P, N or NP deprivation. These results suggest that both poplars suppress P/N uptake, mobilization and assimilation during acclimation to P, N or NP starvation.
DOI: 10.1093/treephys/tpv093
PubMed: 26420793
Affiliations:
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genotypes when exposed to phosphorus and/or nitrogen starvation.</title><author><name sortKey="Gan, Honghao" sort="Gan, Honghao" uniqKey="Gan H" first="Honghao" last="Gan">Honghao Gan</name><affiliation wicri:level="1"><nlm:affiliation>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100</wicri:regionArea><wicri:noRegion>Shaanxi 712100</wicri:noRegion></affiliation></author><author><name sortKey="Jiao, Yu" sort="Jiao, Yu" uniqKey="Jiao Y" first="Yu" last="Jiao">Yu Jiao</name><affiliation wicri:level="1"><nlm:affiliation>Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100</wicri:regionArea><wicri:noRegion>Shaanxi 712100</wicri:noRegion></affiliation></author><author><name sortKey="Jia, Jingbo" sort="Jia, Jingbo" uniqKey="Jia J" first="Jingbo" last="Jia">Jingbo Jia</name><affiliation wicri:level="1"><nlm:affiliation>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100</wicri:regionArea><wicri:noRegion>Shaanxi 712100</wicri:noRegion></affiliation></author><author><name sortKey="Wang, Xinli" sort="Wang, Xinli" uniqKey="Wang X" first="Xinli" last="Wang">Xinli Wang</name><affiliation wicri:level="1"><nlm:affiliation>Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100</wicri:regionArea><wicri:noRegion>Shaanxi 712100</wicri:noRegion></affiliation></author><author><name sortKey="Li, Hong" sort="Li, Hong" uniqKey="Li H" first="Hong" last="Li">Hong Li</name><affiliation wicri:level="1"><nlm:affiliation>College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100</wicri:regionArea><wicri:noRegion>Shaanxi 712100</wicri:noRegion></affiliation></author><author><name sortKey="Shi, Wenguang" sort="Shi, Wenguang" uniqKey="Shi W" first="Wenguang" last="Shi">Wenguang Shi</name><affiliation wicri:level="1"><nlm:affiliation>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100</wicri:regionArea><wicri:noRegion>Shaanxi 712100</wicri:noRegion></affiliation></author><author><name sortKey="Peng, Changhui" sort="Peng, Changhui" uniqKey="Peng C" first="Changhui" last="Peng">Changhui Peng</name><affiliation wicri:level="1"><nlm:affiliation>Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100</wicri:regionArea><wicri:noRegion>Shaanxi 712100</wicri:noRegion></affiliation></author><author><name sortKey="Polle, Andrea" sort="Polle, Andrea" uniqKey="Polle A" first="Andrea" last="Polle">Andrea Polle</name><affiliation wicri:level="3"><nlm:affiliation>Büsgen-Institute, Department of Forest Botany and Tree Physiology, Georg-August University, Büsgenweg 2, 37077 Göttingen, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Büsgen-Institute, Department of Forest Botany and Tree Physiology, Georg-August University, Büsgenweg 2, 37077 Göttingen</wicri:regionArea><placeName><region type="land" nuts="2">Basse-Saxe</region><settlement type="city">Göttingen</settlement></placeName></affiliation></author><author><name sortKey="Luo, Zhi Bin" sort="Luo, Zhi Bin" uniqKey="Luo Z" first="Zhi-Bin" last="Luo">Zhi-Bin Luo</name><affiliation wicri:level="1"><nlm:affiliation>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, PR China Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China luozbbill@163.com.</nlm:affiliation><country wicri:rule="url">Oman</country><wicri:regionArea>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, PR China Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100</wicri:regionArea><wicri:noRegion>Shaanxi 712100</wicri:noRegion></affiliation></author></analytic><series><title level="j">Tree physiology</title><idno type="eISSN">1758-4469</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acclimatization (MeSH)</term><term>Genotype (MeSH)</term><term>Nitrogen (metabolism)</term><term>Phosphorus (metabolism)</term><term>Populus (genetics)</term><term>Populus (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acclimatation (MeSH)</term><term>Azote (métabolisme)</term><term>Génotype (MeSH)</term><term>Phosphore (métabolisme)</term><term>Populus (génétique)</term><term>Populus (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Nitrogen</term><term>Phosphorus</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="metabolism" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Azote</term><term>Phosphore</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Acclimatization</term><term>Genotype</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Acclimatation</term><term>Génotype</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Phosphorus (P) and nitrogen (N) are the two essential macronutrients for tree growth and development. To elucidate the P and N physiology of woody plants during acclimation to P and/or N starvation, we exposed saplings of the slow-growing Populus simonii Carr (Ps) and the fast-growing Populus × euramericana Dode (Pe) to complete nutrients or starvation of P, N or both elements (NP). P. × euramericana had lower P and N concentrations and greater P and N amounts due to higher biomass production, thereby resulting in greater phosphorus use efficiency/N use efficiency (PUE/NUE) compared with Ps. Compared with the roots of Ps, the roots of Pe exhibited higher enzymatic activities in terms of acid phosphatases (APs) and malate dehydrogenase (MDH), which are involved in P mobilization, and nitrate reductase (NR), glutamate synthase (GOGAT) and glutamate dehydrogenase (GDH), which participate in N assimilation. The responsiveness of the transcriptional regulation of key genes encoding transporters for phosphate, ammonium and nitrate was stronger in Pe than in Ps. These results suggest that Pe possesses a higher capacity for P/N uptake and assimilation, which promote faster growth compared with Ps. In both poplars, P or NP starvation caused significant decreases in the P concentrations and increases in PUE. Phosphorus deprivation induced the activity levels of APs, phosphoenolpyruvate carboxylase and MDH in both genotypes. Nitrogen or NP deficiency resulted in lower N concentrations, amino acid levels, NR and GOGAT activities, and higher NUE in both poplars. Thus, in Ps and Pe, the mRNA levels of PHT1;5, PHT1;9, PHT2;1, AMT2;1 and NR increased in the roots, while PHT1;9, PHO1;H1, PHO2, AMT1;1 and NRT2;1 increased in the leaves during acclimation to P, N or NP deprivation. These results suggest that both poplars suppress P/N uptake, mobilization and assimilation during acclimation to P, N or NP starvation. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">26420793</PMID><DateCompleted><Year>2016</Year><Month>10</Month><Day>14</Day></DateCompleted><DateRevised><Year>2016</Year><Month>12</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>36</Volume><Issue>1</Issue><PubDate><Year>2016</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol</ISOAbbreviation></Journal><ArticleTitle>Phosphorus and nitrogen physiology of two contrasting poplar genotypes when exposed to phosphorus and/or nitrogen starvation.</ArticleTitle><Pagination><MedlinePgn>22-38</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpv093</ELocationID><Abstract><AbstractText>Phosphorus (P) and nitrogen (N) are the two essential macronutrients for tree growth and development. To elucidate the P and N physiology of woody plants during acclimation to P and/or N starvation, we exposed saplings of the slow-growing Populus simonii Carr (Ps) and the fast-growing Populus × euramericana Dode (Pe) to complete nutrients or starvation of P, N or both elements (NP). P. × euramericana had lower P and N concentrations and greater P and N amounts due to higher biomass production, thereby resulting in greater phosphorus use efficiency/N use efficiency (PUE/NUE) compared with Ps. Compared with the roots of Ps, the roots of Pe exhibited higher enzymatic activities in terms of acid phosphatases (APs) and malate dehydrogenase (MDH), which are involved in P mobilization, and nitrate reductase (NR), glutamate synthase (GOGAT) and glutamate dehydrogenase (GDH), which participate in N assimilation. The responsiveness of the transcriptional regulation of key genes encoding transporters for phosphate, ammonium and nitrate was stronger in Pe than in Ps. These results suggest that Pe possesses a higher capacity for P/N uptake and assimilation, which promote faster growth compared with Ps. In both poplars, P or NP starvation caused significant decreases in the P concentrations and increases in PUE. Phosphorus deprivation induced the activity levels of APs, phosphoenolpyruvate carboxylase and MDH in both genotypes. Nitrogen or NP deficiency resulted in lower N concentrations, amino acid levels, NR and GOGAT activities, and higher NUE in both poplars. Thus, in Ps and Pe, the mRNA levels of PHT1;5, PHT1;9, PHT2;1, AMT2;1 and NR increased in the roots, while PHT1;9, PHO1;H1, PHO2, AMT1;1 and NRT2;1 increased in the leaves during acclimation to P, N or NP deprivation. These results suggest that both poplars suppress P/N uptake, mobilization and assimilation during acclimation to P, N or NP starvation. </AbstractText><CopyrightInformation>© The Author 2015. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gan</LastName><ForeName>Honghao</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jiao</LastName><ForeName>Yu</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jia</LastName><ForeName>Jingbo</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Xinli</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Hong</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Shi</LastName><ForeName>Wenguang</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Peng</LastName><ForeName>Changhui</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Polle</LastName><ForeName>Andrea</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Büsgen-Institute, Department of Forest Botany and Tree Physiology, Georg-August University, Büsgenweg 2, 37077 Göttingen, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Luo</LastName><ForeName>Zhi-Bin</ForeName><Initials>ZB</Initials><AffiliationInfo><Affiliation>College of Life Sciences and State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Shaanxi 712100, PR China Key Laboratory of Environment and Ecology in Western China of Ministry of Education, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, PR China luozbbill@163.com.</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><ArticleDate DateType="Electronic"><Year>2015</Year><Month>09</Month><Day>28</Day></ArticleDate></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>27YLU75U4W</RegistryNumber><NameOfSubstance UI="D010758">Phosphorus</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000064" MajorTopicYN="N">Acclimatization</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005838" MajorTopicYN="N">Genotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010758" MajorTopicYN="N">Phosphorus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">nutrient deficiency</Keyword><Keyword MajorTopicYN="N">nutrient use efficiency</Keyword><Keyword MajorTopicYN="N">phosphate transporter</Keyword><Keyword MajorTopicYN="N">phosphorus metabolism</Keyword><Keyword MajorTopicYN="N">transcriptional regulation</Keyword><Keyword MajorTopicYN="N">tree</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>07</Month><Day>05</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2015</Year><Month>08</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2015</Year><Month>10</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2015</Year><Month>10</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>10</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">26420793</ArticleId><ArticleId IdType="pii">tpv093</ArticleId><ArticleId IdType="doi">10.1093/treephys/tpv093</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Allemagne</li><li>Oman</li><li>République populaire de Chine</li></country><region><li>Basse-Saxe</li></region><settlement><li>Göttingen</li></settlement></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Gan, Honghao" sort="Gan, Honghao" uniqKey="Gan H" first="Honghao" last="Gan">Honghao Gan</name></noRegion><name sortKey="Jia, Jingbo" sort="Jia, Jingbo" uniqKey="Jia J" first="Jingbo" last="Jia">Jingbo Jia</name><name sortKey="Jiao, Yu" sort="Jiao, Yu" uniqKey="Jiao Y" first="Yu" last="Jiao">Yu Jiao</name><name sortKey="Li, Hong" sort="Li, Hong" uniqKey="Li H" first="Hong" last="Li">Hong Li</name><name sortKey="Peng, Changhui" sort="Peng, Changhui" uniqKey="Peng C" first="Changhui" last="Peng">Changhui Peng</name><name sortKey="Shi, Wenguang" sort="Shi, Wenguang" uniqKey="Shi W" first="Wenguang" last="Shi">Wenguang Shi</name><name sortKey="Wang, Xinli" sort="Wang, Xinli" uniqKey="Wang X" first="Xinli" last="Wang">Xinli Wang</name></country><country name="Allemagne"><region name="Basse-Saxe"><name sortKey="Polle, Andrea" sort="Polle, Andrea" uniqKey="Polle A" first="Andrea" last="Polle">Andrea Polle</name></region></country><country name="Oman"><noRegion><name sortKey="Luo, Zhi Bin" sort="Luo, Zhi Bin" uniqKey="Luo Z" first="Zhi-Bin" last="Luo">Zhi-Bin Luo</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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