Plastid Ontogeny during Petal Development in Arabidopsis1
Identifieur interne : 003157 ( Main/Exploration ); précédent : 003156; suivant : 003158Plastid Ontogeny during Petal Development in Arabidopsis1
Auteurs : Kevin A. Pyke ; Anton M. PageSource :
- Plant Physiology [ 0032-0889 ] ; 1998.
Abstract
Imaging of chlorophyll
autofluorescence by confocal microscopy in intact whole petals of
Url:
PubMed: 9489024
PubMed Central: 35139
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Plastid Ontogeny during Petal Development in
Arabidopsis<xref ref-type="fn" rid="FN1">1</xref></title><author><name sortKey="Pyke, Kevin A" sort="Pyke, Kevin A" uniqKey="Pyke K" first="Kevin A." last="Pyke">Kevin A. Pyke</name></author><author><name sortKey="Page, Anton M" sort="Page, Anton M" uniqKey="Page A" first="Anton M." last="Page">Anton M. Page</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">9489024</idno><idno type="pmc">35139</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC35139</idno><idno type="RBID">PMC:35139</idno><date when="1998">1998</date><idno type="wicri:Area/Pmc/Corpus">000540</idno><idno type="wicri:Area/Pmc/Curation">000539</idno><idno type="wicri:Area/Pmc/Checkpoint">001234</idno><idno type="wicri:Area/Ncbi/Merge">002262</idno><idno type="wicri:Area/Ncbi/Curation">002262</idno><idno type="wicri:Area/Ncbi/Checkpoint">002262</idno><idno type="wicri:doubleKey">0032-0889:1998:Pyke K:plastid:ontogeny:during</idno><idno type="wicri:Area/Main/Merge">003392</idno><idno type="wicri:Area/Main/Curation">003157</idno><idno type="wicri:Area/Main/Exploration">003157</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Plastid Ontogeny during Petal Development in
Arabidopsis<xref ref-type="fn" rid="FN1">1</xref></title><author><name sortKey="Pyke, Kevin A" sort="Pyke, Kevin A" uniqKey="Pyke K" first="Kevin A." last="Pyke">Kevin A. Pyke</name></author><author><name sortKey="Page, Anton M" sort="Page, Anton M" uniqKey="Page A" first="Anton M." last="Page">Anton M. Page</name></author></analytic><series><title level="j">Plant Physiology</title><idno type="ISSN">0032-0889</idno><idno type="eISSN">1532-2548</idno><imprint><date when="1998">1998</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Imaging of chlorophyll
autofluorescence by confocal microscopy in intact whole petals of
<italic>Arabidopsis thaliana</italic> has been used to analyze
chloroplast development and redifferentiation during petal development.
Young petals dissected from unopened buds contained green chloroplasts
throughout their structure, but as the upper part of the petal lamina
developed and expanded, plastids lost their chlorophyll and
redifferentiated into leukoplasts, resulting in a white petal blade.
Normal green chloroplasts remained in the stalk of the mature petal. In
epidermal cells the chloroplasts were normal and green, in stark
contrast with leaf epidermal cell plastids. In addition, the majority
of these chloroplasts had dumbbell shapes, typical of dividing
chloroplasts, and we suggest that the rapid expansion of petal
epidermal cells may be a trigger for the initiation of chloroplast
division. In petals of the Arabidopsis plastid division mutant
<italic>arc</italic>6, the conversion of chloroplasts into leukoplasts
was unaffected in spite of the greatly enlarged size and reduced number
of <italic>arc</italic>6 chloroplasts in cells in the petal base,
resulting in few enlarged leukoplasts in cells from the white lamina of
<italic>arc</italic>6 petals.</p></div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Page, Anton M" sort="Page, Anton M" uniqKey="Page A" first="Anton M." last="Page">Anton M. Page</name><name sortKey="Pyke, Kevin A" sort="Pyke, Kevin A" uniqKey="Pyke K" first="Kevin A." last="Pyke">Kevin A. Pyke</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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