Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ydbio.2007.01.008
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dc.titleORYZA SATIVA MYOSIN XI B controls pollen development by photoperiod-sensitive protein localizations
dc.contributor.authorJiang, S.-Y.
dc.contributor.authorCai, M.
dc.contributor.authorRamachandran, S.
dc.date.accessioned2014-12-12T07:33:18Z
dc.date.available2014-12-12T07:33:18Z
dc.date.issued2007-04-15
dc.identifier.citationJiang, S.-Y., Cai, M., Ramachandran, S. (2007-04-15). ORYZA SATIVA MYOSIN XI B controls pollen development by photoperiod-sensitive protein localizations. Developmental Biology 304 (2) : 579-592. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ydbio.2007.01.008
dc.identifier.issn00121606
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/115853
dc.description.abstractMyosins are actin-based motor proteins responsible for various motility and signal transduction. Only a small set of myosin classes is present inplants, and little is known about their functions. Here we showed how a rice myosin gene controlled pollen development by sensing changed environmental factors. The analysis is based on a gene-trapped Ds insertion mutant Oryza sativa myosin XI B (osmyoXIB). This mutant showed male sterility under short day length (SD) conditions and fertility under long day length (LD) conditions. Under both SD and LD conditions, the OSMYOXIB transcript was detected in whole anthers. However, under SD conditions, the OSMYOXIB-GUS fusion protein was localized only in the epidermal layer of anthers due to the lack of 3′-untranslated region (3′-UTR) and to dilute (DIL) domain sequences following the Ds insertion. As a result, mutant pollen development was affected, leading to male sterility. By contrast, under LD conditions, the fusion protein was localized normally in anthers. Despite normal localization, the protein was only partially functional due to the lack of DIL domain sequences, resulting in limited recovery of pollen fertility. This study also provides a case for a novel molecular aspect of gene expression, i.e., cell layer-specific translation in anthers. © 2007 Elsevier Inc. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.ydbio.2007.01.008
dc.sourceScopus
dc.subjectMyosin
dc.subjectOryza sativa
dc.subjectPhotoperiod
dc.subjectPollen development
dc.subjectUntranslated region
dc.typeArticle
dc.contributor.departmentINSTITUTE OF MOLECULAR AGROBIOLOGY
dc.description.doi10.1016/j.ydbio.2007.01.008
dc.description.sourcetitleDevelopmental Biology
dc.description.volume304
dc.description.issue2
dc.description.page579-592
dc.description.codenDEBIA
dc.identifier.isiut000245819600011
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