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http://hdl.handle.net/10261/86831
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dc.contributor.author | Villanueva, Marco A. | - |
dc.contributor.author | Campos, Francisco | - |
dc.contributor.author | Díaz, Claudia | - |
dc.contributor.author | Colmenero Flores, José M. | - |
dc.contributor.author | Dantán, E. | - |
dc.contributor.author | Sánchez, Federico | - |
dc.contributor.author | Covarrubias, A. A. | - |
dc.date.accessioned | 2013-11-16T11:13:22Z | - |
dc.date.available | 2013-11-16T11:13:22Z | - |
dc.date.issued | 1999 | - |
dc.identifier | doi: 10.1007/s004250050521 | - |
dc.identifier | issn: 0032-0935 | - |
dc.identifier | e-issn: 1432-2048 | - |
dc.identifier.citation | Planta 207 (4): 582-589 (1999) | - |
dc.identifier.uri | http://hdl.handle.net/10261/86831 | - |
dc.description.abstract | Actin was present at very low levels in the seeds of common bean (Phaseolus vulgaris L.) compared with those from other species, and was observed mostly in the embryo. A time-course of actin expression in germinating bean seeds revealed an induced expression of both the mRNA and protein. Initially, the actin mRNA in seeds was barely detectable by northern blot analysis. However, there was a substantial increase in the expression of the actin mRNA at 24, 48 and 72 h after imbibition, compared with an internal control consisting of a late-embryogenesis-abundant (LEA) type IV gene from P. vulgaris. An increase in the amount of actin in total seed extracts that parallelled that of the mRNA was detected by western blotting starting at 24 h after imbibition. This increase was more apparent when the embryo alone was analyzed. Two-dimensional western blots initially revealed three actin isoforms with isoelectric points (pIs) of approximately 5.6, 5.7 and 5.8, the amounts of which increased within a 48-h period, when a new minor isoform of pI approximately 5.5 appeared; however, after 72 h, the pI-5.8 isoform had almost disappeared and the pI-5.5 isoform had disappeared completely, indicating that these two minor isoforms are expressed transiently. These results indicate that actin is at very low levels in the dry seed but undergoes an increased and differential expression during imbibition, an event probably required to carry out all the necessary functions for germination. | - |
dc.language.iso | eng | - |
dc.publisher | Springer Nature | - |
dc.rights | openAccess | - |
dc.title | Actin expression in germinating seeds of Phaseolus vulgaris L. | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1007/s004250050521 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1007/s004250050521 | - |
dc.date.updated | 2013-11-16T11:13:22Z | - |
dc.description.version | Peer Reviewed | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
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Actin expression.pdf | 1,96 MB | Adobe PDF | Visualizar/Abrir |
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