S. Ohno

Publications28
h-index9
Citations300
Highly Influential Citations8
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A bHLH transcription factor, DvIVS, is involved in regulation of anthocyanin synthesis in dahlia (Dahlia variabilis)
Dahlias (Dahlia variabilis) exhibit a wide range of flower colours because of accumulation of anthocyanin and other flavonoids in their ray florets. Two lateral mutants were used that spontaneously…
Endogenous post-transcriptional gene silencing of flavone synthase resulting in high accumulation of anthocyanins in black dahlia cultivars
TLDR
A comparative study using black and purple cultivars revealed that neither the absence of flavones nor high accumulation of total anthocyanidins is solely sufficient for black appearance, but that cyanidin content in petals is also an important factor in the phenotype.
Cutting Leaves and Plant Growth Regulator Application Enhance Somaclonal Variation Induced by Transposition of VGs1 of Saintpaulia
TLDR
The results indicate that pre-existing mutated cells are not a main cause of somaclonal variations and will enable the screening of many environmental factors because of its rapidity and ease of use and will facilitate the development of a new tissue culture technology for avoiding mutation.
A new role for histone demethylases in the maintenance of plant genome integrity
TLDR
Jumonji-type histone demethylases play a dual role in plants by helping to maintain transcriptional states through development and safeguard genome integrity during sexual reproduction.
A new role for histone demethylases in the maintenance of plant genome integrity
TLDR
It is shown that Jumonji-type histone demethylases in plants contribute towards maintaining distinct transcriptional states during development and help safeguard genome integrity following sexual reproduction.
Petal Color Is Associated with Leaf Flavonoid Accumulation in a Labile Bicolor Flowering Dahlia (Dahlia variabilis) ‘Yuino’
TLDR
There were strong relationships between inflorescence color and leaf phenotype; red petal-producing plants accumulated flavonoids in leaves, whereas only bicolor petal -producing plants tended not to accumulate flavonoid in leaves.
The preferential activation of maternally derived alleles in development of interspecific hybrids.
  • S. Ohno
  • Biology, Medicine
    The Wistar Institute symposium monograph
  • 1969
Simultaneous post-transcriptional gene silencing of two different chalcone synthase genes resulting in pure white flowers in the octoploid dahlia
TLDR
It is concluded that simultaneous siRNA-mediated post-transcriptional gene silencing of redundant CHS genes results in the appearance of pure white color in dahlias.
A basic helix-loop-helix transcription factor DvIVS determines flower color intensity in cyanic dahlia cultivars
TLDR
Results suggested that the genotype of the promoter region in DvIVS is one of the key factors determining the flower color intensity.
Post-transcriptional silencing of chalcone synthase is involved in phenotypic lability in petals and leaves of bicolor dahlia (Dahlia variabilis) ‘Yuino’
TLDR
Analysis of molecular mechanisms that are associated with petal color lability using the red-white bicolor cultivar ‘Yuino’ suggested that post-transcriptional gene silencing of DvCHS2 plays a key role in phenotypic lability in this bicolOR dahlia.
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