The effects of pre-treatment substances on vase life and physiological character of cut Lilium Oriental hybrid 'Siberia' and Lilium Asiatic hybrid 'Dream Land' were studied. When florets of 'Siberia' were treated with Promalin (GA 4+7 +BA), the vase life was increased as compared to other treatments. The amount of ethylene produced continuously decreased and respiration rate showed a climacteric type rise on the 5 th day. The sugar contents increased in petal, but decreased in leaf and ovary. When florets of 'Dream Land' were treated with GA 4+7 and Promalin, the vase life increased. The amount of ethylene production and respiration rate showed peak points on the 1 st day. Also, the sugar contents showed the same results as with 'Siberia'. In the case of 'Siberia', vase life was extended with Dan-solution 2 [(nano particle pure colloidal Ag + ion) 0.1% + Natural chitosan] treatment. The amount of ethylene produced continuously decreased and respiration rate showed a climacteric type rise on the 5 th day. But they were not significantly different between treatments. The sugar contents increased in petal, but decreased in leaf and ovary. When florets of 'Dream Land' were treated with Dan-solution 2, the vase life was also increased. The amount of ethylene produced and respiration rates showed peak points on the 1 st day. Also, the sugar contents showed the same results as with 'Siberia'.
Abstract. ß-catenin is a key component of the Wnt signaling pathway and the abnormal accumulation of ß-catenin is characteristic of various types of cancer. Here we demonstrate that overexpression of Sox4 enhances ß-catenin/TCF activity by increasing the stability of ß-catenin. Sox4 increased the protein level of ß-catenin and its target gene cyclin D1 in a dose-dependent manner. An siRNA experiment for Sox4 also demonstrated that Sox4 increases the protein levels of ß-catenin and thus activates the Wnt signaling pathway. We found that induction of ß-catenin/TCF activity by Sox4 is caused by stabilization of the ß-catenin protein, but not by induction of ß-catenin transcription. We further demonstrate that the increased level of ß-catenin is caused by induction of CK2. In light of recent evidence that Sox4 expression is activated in the colon and in other tumors with ß-catenin dysregulation, our findings suggest that Sox4 acts as an agonist of Wnt signaling in cancer cells.
This study was carried out to investigate conveyance environment during shipping export to Japan and the optimum pre-treatment of cut Dendranthema grandiflorum 'Baekma'. Shipping from Korea to Japan, which usually takes three to five days, requires keeping the flower at the ideal temperature. When inspection took place in Japan, the ideal temperature was lost and deterioration began. Once the ideal temperature is lost, deterioration takes place. The results of this work showed that vase life was extended by treatment Chrysal RVB and NaOCl compared to the control (distilled water), and Chrysal RVB was used to maintain the flower from bud to full bloom. Bacterial growth was not observed after pretreatment with NaOCl or ClO2. However, ClO2 pre-treatment was observed to affect the early growth period of the bacteria. The chlorophyll content was the highest after Chrysal RVB or NaOCl pretreatment compared to the other treatments. Therefore, these results support pretreatment with NaOCl and Chrysal RVB of Dendranthema grandiflorum 'Baekma' for export to Japan.
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