Literature summary for 1.14.11.15 extracted from

Otani, M.; Meguro, S.; Gondaira, H.; Hayashi, M.; Saito, M.; Han, D.; Nakano, M.; Mori, S.; Li, T.; Niki, T.; Nishijima, T.; Koshioka, M.
Overexpression of the gibberellin 20-oxidase or gibberellin 3-oxidase gene from Torenia fournieri affecting plant morphology in transgenic Tricyrtis sp. (2014), Acta Hortic., 1025, 23-30 .

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Cloned(Commentary)

Cloned (Comment)	Organism
transgenic plants of the liliaceous ornamental Tricyrtis sp. Shinonome overexpressing the GA20ox or GA3ox gene from Torenia fournieri (TfGA20ox2 and TfGA3ox1) aree produced. After 3 years of cultivation, 4 and 2 independent transgenic plants containing TfGA20ox2 and TfGA3ox1, respectively, are subjected to morphological characterization at the flowering stage. Because GA20ox and GA3ox catalyze the last step in the formation of bioactive gibberellins, overexpression of TfGA20ox2 or TfGA3ox1 is initially expected to induce a gibberellin-overproduction phenotype in transgenic plants, such as internode elongation. However, on the contrary, all the transgenic plants exhibit reduced plant height, reduced internode length and reduced stem diameter compared with the control, non-transgenic plants, irrespective of the kind of transgene. In addition, all the transgenic plants have slender leaves and narrow flower tepals. Exogenous treatment of transgenic plants with gibberellic acid and a GA biosynthesis inhibitor, uniconazol, result in increased and decreased plant height, respectively	Torenia fournieri

Cloned (Comment)

Organism

transgenic plants of the liliaceous ornamental Tricyrtis sp. Shinonome overexpressing the GA20ox or GA3ox gene from Torenia fournieri (TfGA20ox2 and TfGA3ox1) aree produced. After 3 years of cultivation, 4 and 2 independent transgenic plants containing TfGA20ox2 and TfGA3ox1, respectively, are subjected to morphological characterization at the flowering stage. Because GA20ox and GA3ox catalyze the last step in the formation of bioactive gibberellins, overexpression of TfGA20ox2 or TfGA3ox1 is initially expected to induce a gibberellin-overproduction phenotype in transgenic plants, such as internode elongation. However, on the contrary, all the transgenic plants exhibit reduced plant height, reduced internode length and reduced stem diameter compared with the control, non-transgenic plants, irrespective of the kind of transgene. In addition, all the transgenic plants have slender leaves and narrow flower tepals. Exogenous treatment of transgenic plants with gibberellic acid and a GA biosynthesis inhibitor, uniconazol, result in increased and decreased plant height, respectively

Torenia fournieri

Organism

Organism	UniProt	Comment	Textmining
Torenia fournieri	E7FLV1	-	-

Synonyms

Synonyms	Comment	Organism
GA 3-oxidase	-	Torenia fournieri
GA 3ox	-	Torenia fournieri
TfGA3ox1	-	Torenia fournieri

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Release 2023.1 (January 2023)