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Article: Chromatin of endoreduplicated pavement cells has greater range of movement than that of diploid guard cells in Arabidopsis thaliana

TitleChromatin of endoreduplicated pavement cells has greater range of movement than that of diploid guard cells in Arabidopsis thaliana
Authors
Issue Date2003
PublisherCompany of Biologists Ltd.
Citation
Journal of Cell Science, 2003, v. 116 n. pt 11, p. 2195-2201 How to Cite?
AbstractIn the current model of chromatin organization in the interphase cell nucleus, chromosomes are organized into territories. Although constrained diffusion of chromatin in interphase cells has been confirmed in all cell types examined, little is known about chromatin dynamics in plant interphase cells. In this work, we measured for the first time interphase chromatin dynamics in plants using the green-fluorescent-protein-mediated chromatin-tagging system. Moreover, we compared the dynamics of diploid guard cells and endoreduplicated pavement cells. The movement of tagged loci in live seedlings shows constrained behavior in both types of nuclei. However, we found that the apparent confinement area for tagged loci in pavement cells is over 6 times larger than it is in guard cells. These findings suggest that chromatin is anchored to some component of the nucleus and that this might be responsible for the different dynamics of chromatin diffusion between diploid cells and endoreduplicated cells.
Persistent Identifierhttp://hdl.handle.net/10722/42623
ISSN
2015 Impact Factor: 4.706
2015 SCImago Journal Rankings: 3.501
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorKato, Nen_HK
dc.contributor.authorLam, Een_HK
dc.date.accessioned2007-03-23T04:28:08Z-
dc.date.available2007-03-23T04:28:08Z-
dc.date.issued2003en_HK
dc.identifier.citationJournal of Cell Science, 2003, v. 116 n. pt 11, p. 2195-2201en_HK
dc.identifier.issn0021-9533en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42623-
dc.description.abstractIn the current model of chromatin organization in the interphase cell nucleus, chromosomes are organized into territories. Although constrained diffusion of chromatin in interphase cells has been confirmed in all cell types examined, little is known about chromatin dynamics in plant interphase cells. In this work, we measured for the first time interphase chromatin dynamics in plants using the green-fluorescent-protein-mediated chromatin-tagging system. Moreover, we compared the dynamics of diploid guard cells and endoreduplicated pavement cells. The movement of tagged loci in live seedlings shows constrained behavior in both types of nuclei. However, we found that the apparent confinement area for tagged loci in pavement cells is over 6 times larger than it is in guard cells. These findings suggest that chromatin is anchored to some component of the nucleus and that this might be responsible for the different dynamics of chromatin diffusion between diploid cells and endoreduplicated cells.en_HK
dc.format.extent446984 bytes-
dc.format.extent25088 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherCompany of Biologists Ltd.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subject.meshArabidopsis - cytology - physiologyen_HK
dc.subject.meshChromatin - physiologyen_HK
dc.subject.meshSeedling - cytology - physiologyen_HK
dc.subject.meshGreen fluorescent proteinsen_HK
dc.subject.meshIndicators and reagents - metabolismen_HK
dc.titleChromatin of endoreduplicated pavement cells has greater range of movement than that of diploid guard cells in Arabidopsis thalianaen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0021-9533&volume=116&issue=pt 11&spage=2195&epage=2201&date=2003&atitle=Chromatin+of+endoreduplicated+pavement+cells+has+greater+range+of+movement+than+that+of+diploid+guard+cells+in+Arabidopsis+thaliana+en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1242/jcs.00437en_HK
dc.identifier.pmid12692151-
dc.identifier.scopuseid_2-s2.0-0038010498-
dc.identifier.hkuros81888-
dc.identifier.isiWOS:000183507400009-

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