PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20636906-0 2010 Overexpression of the CBF2 transcriptional activator in Arabidopsis suppresses the responsiveness of leaf tissue to the stress hormone ethylene. ethylene 135-143 C-repeat/DRE binding factor 2 Arabidopsis thaliana 22-26 20636906-3 2010 We found that overexpression of CBF2 in Arabidopsis suppressed leaf tissue responsiveness to ethylene as compared with wild-type plants, as manifested in significantly delayed senescence and chlorophyll degradation. ethylene 93-101 C-repeat/DRE binding factor 2 Arabidopsis thaliana 32-36 20636906-4 2010 In wild-type plants, exposure to ethylene at 0.1 microl.l(-1) for 48 h caused 50% reduction in chlorophyll levels as compared to leaves held in air alone, whereas CBF2-overexpressing plants required an ethylene concentration of 10.0 microl.l(-1) to cause the same effect. ethylene 33-41 C-repeat/DRE binding factor 2 Arabidopsis thaliana 163-167 20636906-4 2010 In wild-type plants, exposure to ethylene at 0.1 microl.l(-1) for 48 h caused 50% reduction in chlorophyll levels as compared to leaves held in air alone, whereas CBF2-overexpressing plants required an ethylene concentration of 10.0 microl.l(-1) to cause the same effect. ethylene 202-210 C-repeat/DRE binding factor 2 Arabidopsis thaliana 163-167 20636906-5 2010 Furthermore, continuous exposure to ethylene at 1.0 microl.l(-1) reduced chlorophyll content in wild-type leaves by 50% after 42 h but took 72 h in CBF2-overexpressing plants. ethylene 36-44 C-repeat/DRE binding factor 2 Arabidopsis thaliana 148-152 20636906-7 2010 Nevertheless, we found that overexpression of CBF2 significantly increased transcript levels of 17 ABA biosynthetic and responsive genes and, thus, may have affected leaf responsiveness to ethylene via contrasting interactions with other hormones, mainly ABA. ethylene 189-197 C-repeat/DRE binding factor 2 Arabidopsis thaliana 46-50 20636906-8 2010 Overall, the current findings suggest that overexpression of the CBF2 transcriptional activator in Arabidopsis may, at least in part, contribute to the observed delay of leaf senescence and enhanced plant fitness by suppressing leaf responsiveness to stress-regulated ethylene. ethylene 268-276 C-repeat/DRE binding factor 2 Arabidopsis thaliana 65-69 20037472-3 2010 In a recent study, we reported that overexpression of CBF2 suppressed leaf senescence induced by the stress hormone ethylene. ethylene 116-124 C-repeat/DRE binding factor 2 Arabidopsis thaliana 54-58 20037472-5 2010 As previously reported for ethylene, the observed decrease in responsiveness to ABA in CBF2-overexpressing plants was specific to leaf senescence, since other responses to ABA were similar to those of wild-type plants. ethylene 27-35 C-repeat/DRE binding factor 2 Arabidopsis thaliana 87-91