Crucial roles of cadmium retention in nodeⅡ for restraining cadmium transport from straw to ear at reproductive period in a grain low-cadmium rice line (Oryza sativa L.).
Identifieur interne : 000190 ( Main/Exploration ); précédent : 000189; suivant : 000191Crucial roles of cadmium retention in nodeⅡ for restraining cadmium transport from straw to ear at reproductive period in a grain low-cadmium rice line (Oryza sativa L.).
Auteurs : Jingyi Guo [Allemagne] ; Xizhou Zhang [République populaire de Chine] ; Daihua Ye [République populaire de Chine] ; Huagang Huang [République populaire de Chine] ; Yongdong Wang [République populaire de Chine] ; Zicheng Zheng [République populaire de Chine] ; Tingxuan Li [République populaire de Chine] ; Haiying Yu [République populaire de Chine]Source :
- Ecotoxicology and environmental safety [ 1090-2414 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Polluants du sol.
- composition chimique : Grains comestibles.
- métabolisme : Cadmium, Feuilles de plante, Oryza, Phytochélatines, Polluants du sol.
- physiologie : Oryza.
- Aminoacyltransferases.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Soil Pollutants.
- chemical , metabolism : Cadmium, Phytochelatins, Soil Pollutants.
- chemical : Aminoacyltransferases.
- chemistry : Edible Grain.
- metabolism : Oryza, Plant Leaves.
- physiology : Oryza.
Abstract
Using an ideal parental line to breed hybrid rice with low cadmium (Cd) accumulation in grain is an environmental-friendly approach to reduce the risk of Cd contamination in field. A grain low-Cd rice line YaHui2816 has stably low Cd in grain but strong Cd accumulation in straw, revealing specific pattern of its straw-grain Cd remobilization is beneficial to effectively breed hybrid rice for safe production as well as phytoremediation. In this study, a pot experiment was conducted to investigate Cd partitioning of YaHui2816 at different stages by comparison with a common rice C268A. The Cd from lower nodes and leaves was restricted in nodeⅡ, this Cd retention led to weak Cd transport from straw to ear in YaHui2816. Cd concentration in nodeⅡ of YaHui2816 was 1.56-fold and 7.36-fold higher than C268A at filling and mature stages. Thus, glutathione (GSH) and phytochelatin (PC) concentration, PC synthase (OsPCS1), GSH S-Transferase (OsGST) and Cd-remobilization associated genes were measured at filling stage. OsHMA2 and OsCCX2 were up-regulated in nodeⅡ of YaHui2816, relative expression of them were significantly higher than C268A. PCs participated in Cd remobilization process, remarkable PC increase in nodeⅡ of YaHui2816 was found in response to Cd treatment under regulation of OsPCS1 and OsGST of which PC2 was dominant form. Taken as a whole, the Cd retention in nodeⅡ of YaHui2816 acts as a 'firewall' to restrain Cd transport to grain. This work provides more insight to understand possible function of alleles for reducing Cd concentration in grain as well as strengthening Cd accumulation in straw of YaHui2816.
DOI: 10.1016/j.ecoenv.2020.111323
PubMed: 32956864
Affiliations:
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Molecular Plant Nutrition, Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, OT, Gatersleben, 06466, Seeland, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China; Molecular Plant Nutrition, Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, OT, Gatersleben, 06466, Seeland</wicri:regionArea><wicri:noRegion>06466, Seeland</wicri:noRegion><wicri:noRegion>06466, Seeland</wicri:noRegion><wicri:noRegion>Seeland</wicri:noRegion></affiliation></author><author><name sortKey="Zhang, Xizhou" sort="Zhang, Xizhou" uniqKey="Zhang X" first="Xizhou" last="Zhang">Xizhou Zhang</name><affiliation wicri:level="1"><nlm:affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130</wicri:regionArea><wicri:noRegion>611130</wicri:noRegion></affiliation></author><author><name sortKey="Ye, Daihua" sort="Ye, Daihua" uniqKey="Ye D" first="Daihua" last="Ye">Daihua Ye</name><affiliation wicri:level="1"><nlm:affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130</wicri:regionArea><wicri:noRegion>611130</wicri:noRegion></affiliation></author><author><name sortKey="Huang, Huagang" sort="Huang, Huagang" uniqKey="Huang H" first="Huagang" last="Huang">Huagang Huang</name><affiliation wicri:level="1"><nlm:affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130</wicri:regionArea><wicri:noRegion>611130</wicri:noRegion></affiliation></author><author><name sortKey="Wang, Yongdong" sort="Wang, Yongdong" uniqKey="Wang Y" first="Yongdong" last="Wang">Yongdong Wang</name><affiliation wicri:level="1"><nlm:affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130</wicri:regionArea><wicri:noRegion>611130</wicri:noRegion></affiliation></author><author><name sortKey="Zheng, Zicheng" sort="Zheng, Zicheng" uniqKey="Zheng Z" first="Zicheng" last="Zheng">Zicheng Zheng</name><affiliation wicri:level="1"><nlm:affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130</wicri:regionArea><wicri:noRegion>611130</wicri:noRegion></affiliation></author><author><name sortKey="Li, Tingxuan" sort="Li, Tingxuan" uniqKey="Li T" first="Tingxuan" last="Li">Tingxuan Li</name><affiliation wicri:level="1"><nlm:affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China. Electronic address: litinx@263.net.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130</wicri:regionArea><wicri:noRegion>611130</wicri:noRegion></affiliation></author><author><name sortKey="Yu, Haiying" sort="Yu, Haiying" uniqKey="Yu H" first="Haiying" last="Yu">Haiying Yu</name><affiliation wicri:level="1"><nlm:affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China. Electronic address: haiyingaa1@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130</wicri:regionArea><wicri:noRegion>611130</wicri:noRegion></affiliation></author></analytic><series><title level="j">Ecotoxicology and environmental safety</title><idno type="eISSN">1090-2414</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aminoacyltransferases (MeSH)</term><term>Cadmium (metabolism)</term><term>Edible Grain (chemistry)</term><term>Oryza (metabolism)</term><term>Oryza (physiology)</term><term>Phytochelatins (metabolism)</term><term>Plant Leaves (metabolism)</term><term>Soil Pollutants (analysis)</term><term>Soil Pollutants (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Aminoacyltransferases (MeSH)</term><term>Cadmium (métabolisme)</term><term>Feuilles de plante (métabolisme)</term><term>Grains comestibles (composition chimique)</term><term>Oryza (métabolisme)</term><term>Oryza (physiologie)</term><term>Phytochélatines (métabolisme)</term><term>Polluants du sol (analyse)</term><term>Polluants du sol (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Soil Pollutants</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Cadmium</term><term>Phytochelatins</term><term>Soil Pollutants</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Aminoacyltransferases</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Polluants du sol</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Edible Grain</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Grains comestibles</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Oryza</term><term>Plant Leaves</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Cadmium</term><term>Feuilles de plante</term><term>Oryza</term><term>Phytochélatines</term><term>Polluants du sol</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Oryza</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Oryza</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Aminoacyltransferases</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Using an ideal parental line to breed hybrid rice with low cadmium (Cd) accumulation in grain is an environmental-friendly approach to reduce the risk of Cd contamination in field. A grain low-Cd rice line YaHui2816 has stably low Cd in grain but strong Cd accumulation in straw, revealing specific pattern of its straw-grain Cd remobilization is beneficial to effectively breed hybrid rice for safe production as well as phytoremediation. In this study, a pot experiment was conducted to investigate Cd partitioning of YaHui2816 at different stages by comparison with a common rice C268A. The Cd from lower nodes and leaves was restricted in nodeⅡ, this Cd retention led to weak Cd transport from straw to ear in YaHui2816. Cd concentration in nodeⅡ of YaHui2816 was 1.56-fold and 7.36-fold higher than C268A at filling and mature stages. Thus, glutathione (GSH) and phytochelatin (PC) concentration, PC synthase (OsPCS1), GSH S-Transferase (OsGST) and Cd-remobilization associated genes were measured at filling stage. OsHMA2 and OsCCX2 were up-regulated in nodeⅡ of YaHui2816, relative expression of them were significantly higher than C268A. PCs participated in Cd remobilization process, remarkable PC increase in nodeⅡ of YaHui2816 was found in response to Cd treatment under regulation of OsPCS1 and OsGST of which PC<sub>2</sub> was dominant form. Taken as a whole, the Cd retention in nodeⅡ of YaHui2816 acts as a 'firewall' to restrain Cd transport to grain. This work provides more insight to understand possible function of alleles for reducing Cd concentration in grain as well as strengthening Cd accumulation in straw of YaHui2816.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">32956864</PMID><DateCompleted><Year>2020</Year><Month>10</Month><Day>21</Day></DateCompleted><DateRevised><Year>2020</Year><Month>10</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1090-2414</ISSN><JournalIssue CitedMedium="Internet"><Volume>205</Volume><PubDate><Year>2020</Year><Month>Dec</Month><Day>01</Day></PubDate></JournalIssue><Title>Ecotoxicology and environmental safety</Title><ISOAbbreviation>Ecotoxicol Environ Saf</ISOAbbreviation></Journal><ArticleTitle>Crucial roles of cadmium retention in nodeⅡ for restraining cadmium transport from straw to ear at reproductive period in a grain low-cadmium rice line (Oryza sativa L.).</ArticleTitle><Pagination><MedlinePgn>111323</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0147-6513(20)31160-X</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.ecoenv.2020.111323</ELocationID><Abstract><AbstractText>Using an ideal parental line to breed hybrid rice with low cadmium (Cd) accumulation in grain is an environmental-friendly approach to reduce the risk of Cd contamination in field. A grain low-Cd rice line YaHui2816 has stably low Cd in grain but strong Cd accumulation in straw, revealing specific pattern of its straw-grain Cd remobilization is beneficial to effectively breed hybrid rice for safe production as well as phytoremediation. In this study, a pot experiment was conducted to investigate Cd partitioning of YaHui2816 at different stages by comparison with a common rice C268A. The Cd from lower nodes and leaves was restricted in nodeⅡ, this Cd retention led to weak Cd transport from straw to ear in YaHui2816. Cd concentration in nodeⅡ of YaHui2816 was 1.56-fold and 7.36-fold higher than C268A at filling and mature stages. Thus, glutathione (GSH) and phytochelatin (PC) concentration, PC synthase (OsPCS1), GSH S-Transferase (OsGST) and Cd-remobilization associated genes were measured at filling stage. OsHMA2 and OsCCX2 were up-regulated in nodeⅡ of YaHui2816, relative expression of them were significantly higher than C268A. PCs participated in Cd remobilization process, remarkable PC increase in nodeⅡ of YaHui2816 was found in response to Cd treatment under regulation of OsPCS1 and OsGST of which PC<sub>2</sub> was dominant form. Taken as a whole, the Cd retention in nodeⅡ of YaHui2816 acts as a 'firewall' to restrain Cd transport to grain. This work provides more insight to understand possible function of alleles for reducing Cd concentration in grain as well as strengthening Cd accumulation in straw of YaHui2816.</AbstractText><CopyrightInformation>Copyright © 2020 Elsevier Inc. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Guo</LastName><ForeName>Jingyi</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China; Molecular Plant Nutrition, Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, OT, Gatersleben, 06466, Seeland, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Xizhou</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ye</LastName><ForeName>Daihua</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Huang</LastName><ForeName>Huagang</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Yongdong</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zheng</LastName><ForeName>Zicheng</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Tingxuan</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China. Electronic address: litinx@263.net.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yu</LastName><ForeName>Haiying</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China. Electronic address: haiyingaa1@163.com.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>09</Month><Day>18</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Ecotoxicol Environ Saf</MedlineTA><NlmUniqueID>7805381</NlmUniqueID><ISSNLinking>0147-6513</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012989">Soil Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>00BH33GNGH</RegistryNumber><NameOfSubstance UI="D002104">Cadmium</NameOfSubstance></Chemical><Chemical><RegistryNumber>98726-08-0</RegistryNumber><NameOfSubstance UI="D054811">Phytochelatins</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 2.3.2.-</RegistryNumber><NameOfSubstance UI="D019881">Aminoacyltransferases</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 2.3.2.15</RegistryNumber><NameOfSubstance UI="C093784">glutathione gamma-glutamylcysteinyltransferase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D019881" MajorTopicYN="N">Aminoacyltransferases</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002104" MajorTopicYN="N">Cadmium</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002523" MajorTopicYN="N">Edible Grain</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012275" MajorTopicYN="N">Oryza</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D054811" MajorTopicYN="N">Phytochelatins</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012989" MajorTopicYN="N">Soil Pollutants</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Cadmium remobilization</Keyword><Keyword MajorTopicYN="N">Grain Cd concentration</Keyword><Keyword MajorTopicYN="N">Grain-filling stage</Keyword><Keyword MajorTopicYN="N">Node-expressed genes</Keyword><Keyword MajorTopicYN="N">Nodes</Keyword><Keyword MajorTopicYN="N">Phytochelatin</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>07</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>08</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>09</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>9</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>10</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>9</Month><Day>21</Day><Hour>20</Hour><Minute>12</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32956864</ArticleId><ArticleId IdType="pii">S0147-6513(20)31160-X</ArticleId><ArticleId IdType="doi">10.1016/j.ecoenv.2020.111323</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Allemagne</li><li>République populaire de Chine</li></country></list><tree><country name="Allemagne"><noRegion><name sortKey="Guo, Jingyi" sort="Guo, Jingyi" uniqKey="Guo J" first="Jingyi" last="Guo">Jingyi Guo</name></noRegion></country><country name="République populaire de Chine"><noRegion><name sortKey="Zhang, Xizhou" sort="Zhang, Xizhou" uniqKey="Zhang X" first="Xizhou" last="Zhang">Xizhou Zhang</name></noRegion><name sortKey="Huang, Huagang" sort="Huang, Huagang" uniqKey="Huang H" first="Huagang" last="Huang">Huagang Huang</name><name sortKey="Li, Tingxuan" sort="Li, Tingxuan" uniqKey="Li T" first="Tingxuan" last="Li">Tingxuan Li</name><name sortKey="Wang, Yongdong" sort="Wang, Yongdong" uniqKey="Wang Y" first="Yongdong" last="Wang">Yongdong Wang</name><name sortKey="Ye, Daihua" sort="Ye, Daihua" uniqKey="Ye D" first="Daihua" last="Ye">Daihua Ye</name><name sortKey="Yu, Haiying" sort="Yu, Haiying" uniqKey="Yu H" first="Haiying" last="Yu">Haiying Yu</name><name sortKey="Zheng, Zicheng" sort="Zheng, Zicheng" uniqKey="Zheng Z" first="Zicheng" last="Zheng">Zicheng Zheng</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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