Leaf senescence in rice plants: cloning and characterization of senescence up-regulated genes. |
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| Authors: | R H Lee C H Wang L T Huang S C Chen |
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| Affiliation: | Institute of Botany, Academia Sinica, Taipei, Taiwan. |
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| Abstract: | To identify senescence-associated genes (SAGs) in rice leaves, senescence was induced by transferring rice seedlings into darkness. Senescence up-regulated cDNAs were obtained by PCR-based subtractive hybridization. Among 14 SAG clones characterized, 11 were found to be associated with both dark-induced and natural leaf senescence. Three clones were associated only with dark-induced leaf senescence. The possible physiological roles of these SAGs during rice leaf senescence are discussed. |
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