H
Hirokazu Tsukaya
Researcher at University of Tokyo
Publications - 286
Citations - 13596
Hirokazu Tsukaya is an academic researcher from University of Tokyo. The author has contributed to research in topics: Mutant & Arabidopsis thaliana. The author has an hindex of 60, co-authored 272 publications receiving 12221 citations. Previous affiliations of Hirokazu Tsukaya include University of Shizuoka & National Institutes of Natural Sciences, Japan.
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Journal ArticleDOI
Cell cycling and cell enlargement in developing leaves of Arabidopsis.
TL;DR: It is indicated that cell cycling related to leaf morphogenesis, tissue-specific patterns of cell proliferation, and cell differentiation occurs concurrently during leaf development and suggest that unique regulatory pathways may operate at each level.
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The transcription factor AtGRF5 and the transcription coactivator AN3 regulate cell proliferation in leaf primordia of Arabidopsis thaliana.
TL;DR: Describing two genes from Arabidopsis thaliana suggest that AN3 and AtGRF5 act together and are required for the development of appropriate leaf size and shape through the promotion and/or maintenance of cell proliferation activity in leaf primordia.
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The ASYMMETRIC LEAVES2 gene of Arabidopsis thaliana regulates formation of a symmetric lamina, establishment of venation and repression of meristem-related homeobox genes in leaves
Endang Semiarti,Yoshihisa Ueno,Hirokazu Tsukaya,Hidekazu Iwakawa,Chiyoko Machida,Yasunori Machida +5 more
TL;DR: The results suggest that AS2 and AS1 might be involved in establishment of a prominent midvein and of networks of other veins as well as in the formation of the symmetric leaf lamina, which might be related to repression of class 1 knox homeobox genes in leaves.
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The evolution and functional significance of leaf shape in the angiosperms
Adrienne B. Nicotra,Andrea Leigh,C. Kevin Boyce,Cynthia Jones,Karl J. Niklas,Dana L. Royer,Hirokazu Tsukaya +6 more
TL;DR: The evolutionary context of leaf shape diversification is reviewed, the proximal mechanisms that generate the diversity in extant systems are discussed, and the evidence for each the above hypotheses is considered in the context of the functional significance of Leaf shape.
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Two independent and polarized processes of cell elongation regulate leaf blade expansion in Arabidopsis thaliana (L.) Heynh.
TL;DR: It is proposed that leaf expansion in Arabidopsis involves at least two independent developmental processes: width development and length development, with the ANGUSTIFOLIA and ROTUNDIFOLia3 genes playing different polarity-specific roles in cell elongation.