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Shigeru Shigeoka
Kindai University
205Publications
39H-index
6,157Citations
Publications 205
Newest
#1Kimihisa Itoh (Kindai University)H-Index: 6
#2Tetsuya Matsukawa (Kindai University)H-Index: 5
Last.Shigeru Shigeoka (Kindai University)H-Index: 39
view all 12 authors...
In the cultivation of Citrus fruit, pruning in late winter after harvest is important to obtain excellent flower buds in the next spring and a rich harvest of superior fruit in the following winter...
#1Kumi Otori (Kindai University)H-Index: 4
#2Noriaki Tanabe (Kindai University)H-Index: 9
Last.Shigeru Shigeoka (Kindai University)H-Index: 39
view all 4 authors...
ABSTRACTWe previously demonstrated that alterations in sugar partitioning affect the expression of genes involved in hormone biosynthesis and responses, including BRANCHED1 (BRC1), resulting in enhanced shoot branching in transgenic Arabidopsis plants overexpressing cyanobacterial fructose-1,6-bisphosphatase-II in the cytosol (AcF). The exogenous treatment of wild-type Arabidopsis plants with sugars showed the same transcript characteristics, indicating that sugars act as a signal for branching....
#1Noriaki Tanabe (Kindai University)H-Index: 9
#2Masahiro Noshi (Kindai University)H-Index: 6
Last.Shigeru Shigeoka (Kindai University)H-Index: 39
view all 6 authors...
Iron (Fe) is a micronutrient that is essential for plant development and growth. Basic helix-loop-helix (bHLH) transcription factors are a superfamily of transcription factors that are important regulatory components in transcriptional networks in plants. bHLH transcription factors have been divided into subclasses based on their amino acid sequences and domain structures. Among the members of clade IVb (PYE, bHLH121, and bHLH11), the functions of bHLH11 remain unclear. In the present study, we ...
#1Masahiro Noshi (Kindai University)H-Index: 6
#2Noriaki Tanabe (Kindai University)H-Index: 9
Last.Shigeru Shigeoka (Kindai University)H-Index: 39
view all 7 authors...
Abstract The accumulation of reactive oxygen species (ROS) leads to oxidative damage; however, ROS also acts as signaling molecules. We previously demonstrated that the inducible silencing of thylakoid membrane-bound ascorbate peroxidase Arabidopsis plants (IS-tAPX) accumulated H 2 O 2 in their chloroplasts, resulting in the clarification of ROS-responsive genes. In IS-tAPX plants, the transcript levels of the basic helix-loop-helix (bHLH) transcription factor bHLH101, which belongs to clade Ib ...
#1Noriaki Tanabe (Kindai University)H-Index: 9
#2Akane Ito (Kindai University)
Last.Shigeru Shigeoka (Kindai University)H-Index: 39
view all 4 authors...
#1Kumi Otori (Kindai University)H-Index: 4
#2Noriaki Tanabe (Kindai University)H-Index: 9
Last.Shigeru Shigeoka (Kindai University)H-Index: 39
view all 7 authors...
Plant growth and productivity depend on interactions between the metabolism of carbon and nitrogen. The sensing ability of internal carbon and nitrogen metabolites (the C/N balance) enables plants to regulate metabolism and development. In order to investigate the effects of an enhanced photosynthetic capacity on the metabolism of carbon and nitrogen in photosynthetically active tissus (source leaves), we herein generated transgenic Arabidopsis thaliana plants (ApFS) that expressed cyanobacteria...
We previously demonstrated that transgenic tobacco plants expressing cyanobacterial fructose-1,6-/sedoheptulose-1,7-bisphosphatase in the cytosol increased the number of lateral shoots and leaves at elevated CO2 levels. These findings suggest that alterations in carbon partitioning affect the development of shoot branching. In order to elucidate the underlying mechanisms at the molecular level, we generated transgenic Arabidopsis plants overexpressing cyanobacterial fructose-1,6-bisphosphatase-I...
#1Masahiro Noshi (USDA: United States Department of Agriculture)H-Index: 2
#2Hiroki Yamada (USDA: United States Department of Agriculture)H-Index: 1
Last.Shigeru Shigeoka (USDA: United States Department of Agriculture)H-Index: 19
view all 6 authors...
Ascorbate and glutathione are indispensable cellular redox buffers and allow plants to acclimate stressful conditions. Arabidopsis contains three functional dehydroascorbate reductases (DHAR1-3), which catalyzes the conversion of dehydroascorbate into its reduced form using glutathione as a reductant. We herein attempted to elucidate the physiological role in DHAR1 and DHAR2 in stress responses. The total DHAR activities in DHAR knockout Arabidopsis plants, dhar1 and dhar2, were 22 and 92%, resp...
#1Ginga ShimakawaH-Index: 13
#2Yusuke MatsudaH-Index: 20
Last.Chikahiro MiyakeH-Index: 32
view all 6 authors...
Diverse strategies of O 2 usage for preventing photo-oxidative damage under CO 2 limitation during algal photosynthesis
#1Fumio Watanabe (Tottori University)H-Index: 20
#2Kazuya Yoshimura (Chubu University)H-Index: 32
Last.Shigeru Shigeoka (Kindai University)H-Index: 39
view all 3 authors...
Euglena gracilis Z requires vitamins B1 and B12 for growth. It takes up and accumulates large amounts of these exogenous vitamins through energy-dependent active transport systems. Except for these essential vitamins, E. gracilis Z has the ability to synthesize all human vitamins. Euglena synthesizes high levels of antioxidant vitamins such as vitamins C and E, and, thus, are used as nutritional supplements for humans and domestic animals. Methods to effectively produce vitamins in Euglena have ...
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