Conserved Daily Transcriptional Programs in Carica papaya.
Identifieur interne : 003956 ( Main/Exploration ); précédent : 003955; suivant : 003957Conserved Daily Transcriptional Programs in Carica papaya.
Auteurs : Anna Zdepski ; Wenqin Wang ; Henry D. Priest ; Faraz Ali ; Maqsudul Alam ; Todd C. Mockler ; Todd P. MichaelSource :
- Tropical plant biology [ 1935-9756 ] ; 2008.
Abstract
Most organisms have internal circadian clocks that mediate responses to daily environmental changes in order to synchronize biological functions to the correct times of the day. Previous studies have focused on plants found in temperate and sub-tropical climates, and little is known about the circadian transcriptional networks of plants that typically grow under conditions with relatively constant day lengths and temperatures over the year. In this study we conducted a genomic and computational analysis of the circadian biology of Carica papaya, a tropical tree. We found that predicted papaya circadian clock genes cycle with the same phase as Arabidopsis genes. The patterns of time-of-day overrepresentation of circadian-associated promoter elements were nearly identical across papaya, Arabidopsis, rice, and poplar. Evolution of promoter structure predicts the observed morning- and evening-specific expression profiles of the papaya PRR5 paralogs. The strong conservation of previously identified circadian transcriptional networks in papaya, despite its tropical habitat and distinct life-style, suggest that circadian timing has played a major role in the evolution of plant genomes, consistent with the selective pressure of anticipating daily environmental changes. Further studies could exploit this conservation to elucidate general design principles that will facilitate engineering plant growth pathways for specific environments. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s12042-008-9020-3) contains supplementary material, which is available to authorized users.
DOI: 10.1007/s12042-008-9020-3
PubMed: 20671772
PubMed Central: PMC2890329
Affiliations:
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Mockler</name></author><author><name sortKey="Michael, Todd P" sort="Michael, Todd P" uniqKey="Michael T" first="Todd P" last="Michael">Todd P. Michael</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2008">2008</date><idno type="RBID">pubmed:20671772</idno><idno type="pmid">20671772</idno><idno type="doi">10.1007/s12042-008-9020-3</idno><idno type="pmc">PMC2890329</idno><idno type="wicri:Area/Main/Corpus">003730</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003730</idno><idno type="wicri:Area/Main/Curation">003730</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">003730</idno><idno type="wicri:Area/Main/Exploration">003730</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Conserved Daily Transcriptional Programs in Carica papaya.</title><author><name sortKey="Zdepski, Anna" sort="Zdepski, Anna" uniqKey="Zdepski A" first="Anna" last="Zdepski">Anna Zdepski</name></author><author><name sortKey="Wang, Wenqin" sort="Wang, Wenqin" uniqKey="Wang W" first="Wenqin" last="Wang">Wenqin Wang</name></author><author><name sortKey="Priest, Henry D" sort="Priest, Henry D" uniqKey="Priest H" first="Henry D" last="Priest">Henry D. Priest</name></author><author><name sortKey="Ali, Faraz" sort="Ali, Faraz" uniqKey="Ali F" first="Faraz" last="Ali">Faraz Ali</name></author><author><name sortKey="Alam, Maqsudul" sort="Alam, Maqsudul" uniqKey="Alam M" first="Maqsudul" last="Alam">Maqsudul Alam</name></author><author><name sortKey="Mockler, Todd C" sort="Mockler, Todd C" uniqKey="Mockler T" first="Todd C" last="Mockler">Todd C. Mockler</name></author><author><name sortKey="Michael, Todd P" sort="Michael, Todd P" uniqKey="Michael T" first="Todd P" last="Michael">Todd P. Michael</name></author></analytic><series><title level="j">Tropical plant biology</title><idno type="ISSN">1935-9756</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Most organisms have internal circadian clocks that mediate responses to daily environmental changes in order to synchronize biological functions to the correct times of the day. Previous studies have focused on plants found in temperate and sub-tropical climates, and little is known about the circadian transcriptional networks of plants that typically grow under conditions with relatively constant day lengths and temperatures over the year. In this study we conducted a genomic and computational analysis of the circadian biology of Carica papaya, a tropical tree. We found that predicted papaya circadian clock genes cycle with the same phase as Arabidopsis genes. The patterns of time-of-day overrepresentation of circadian-associated promoter elements were nearly identical across papaya, Arabidopsis, rice, and poplar. Evolution of promoter structure predicts the observed morning- and evening-specific expression profiles of the papaya PRR5 paralogs. The strong conservation of previously identified circadian transcriptional networks in papaya, despite its tropical habitat and distinct life-style, suggest that circadian timing has played a major role in the evolution of plant genomes, consistent with the selective pressure of anticipating daily environmental changes. Further studies could exploit this conservation to elucidate general design principles that will facilitate engineering plant growth pathways for specific environments. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s12042-008-9020-3) contains supplementary material, which is available to authorized users.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">20671772</PMID><DateRevised><Year>2020</Year><Month>09</Month><Day>29</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">1935-9756</ISSN><JournalIssue CitedMedium="Print"><Volume>1</Volume><Issue>3-4</Issue><PubDate><Year>2008</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Tropical plant biology</Title><ISOAbbreviation>Trop Plant Biol</ISOAbbreviation></Journal><ArticleTitle>Conserved Daily Transcriptional Programs in Carica papaya.</ArticleTitle><Pagination><MedlinePgn>236-245</MedlinePgn></Pagination><Abstract><AbstractText>Most organisms have internal circadian clocks that mediate responses to daily environmental changes in order to synchronize biological functions to the correct times of the day. Previous studies have focused on plants found in temperate and sub-tropical climates, and little is known about the circadian transcriptional networks of plants that typically grow under conditions with relatively constant day lengths and temperatures over the year. In this study we conducted a genomic and computational analysis of the circadian biology of Carica papaya, a tropical tree. We found that predicted papaya circadian clock genes cycle with the same phase as Arabidopsis genes. The patterns of time-of-day overrepresentation of circadian-associated promoter elements were nearly identical across papaya, Arabidopsis, rice, and poplar. Evolution of promoter structure predicts the observed morning- and evening-specific expression profiles of the papaya PRR5 paralogs. The strong conservation of previously identified circadian transcriptional networks in papaya, despite its tropical habitat and distinct life-style, suggest that circadian timing has played a major role in the evolution of plant genomes, consistent with the selective pressure of anticipating daily environmental changes. Further studies could exploit this conservation to elucidate general design principles that will facilitate engineering plant growth pathways for specific environments. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s12042-008-9020-3) contains supplementary material, which is available to authorized users.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zdepski</LastName><ForeName>Anna</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Wenqin</ForeName><Initials>W</Initials></Author><Author ValidYN="Y"><LastName>Priest</LastName><ForeName>Henry D</ForeName><Initials>HD</Initials></Author><Author ValidYN="Y"><LastName>Ali</LastName><ForeName>Faraz</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Alam</LastName><ForeName>Maqsudul</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Mockler</LastName><ForeName>Todd C</ForeName><Initials>TC</Initials></Author><Author ValidYN="Y"><LastName>Michael</LastName><ForeName>Todd P</ForeName><Initials>TP</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2008</Year><Month>12</Month><Day>16</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Trop Plant Biol</MedlineTA><NlmUniqueID>101475314</NlmUniqueID><ISSNLinking>1935-9756</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2008</Year><Month>09</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2008</Year><Month>11</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>7</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>12</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>12</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">20671772</ArticleId><ArticleId IdType="doi">10.1007/s12042-008-9020-3</ArticleId><ArticleId IdType="pmc">PMC2890329</ArticleId></ArticleIdList><pmc-dir>pmcsd</pmc-dir>
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Michael</name><name sortKey="Mockler, Todd C" sort="Mockler, Todd C" uniqKey="Mockler T" first="Todd C" last="Mockler">Todd C. Mockler</name><name sortKey="Priest, Henry D" sort="Priest, Henry D" uniqKey="Priest H" first="Henry D" last="Priest">Henry D. Priest</name><name sortKey="Wang, Wenqin" sort="Wang, Wenqin" uniqKey="Wang W" first="Wenqin" last="Wang">Wenqin Wang</name><name sortKey="Zdepski, Anna" sort="Zdepski, Anna" uniqKey="Zdepski A" first="Anna" last="Zdepski">Anna Zdepski</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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