名古屋大学 · 農学・生物学
佐竹原仁志教授の研究室では、植物ホルモンのサイトカイニンが植物全体の発生と環境応答を調整する仕組みに注目し、その生合成、輸送、シグナル伝達の分子機構を解明しています。特に、根と芽の間のホルモンコミュニケーションや、ホルモンの構造と生物学的活性の関係を分子レベルで解明する研究が特徴です。近年の遺伝子同定による進展により、サイトカイニンのホメオスタシス制御の全体像が明らかにされています。
Figures are computed from collected data and may differ slightly.
Cytokinins (CKs) play a crucial role in various phases of plant growth and development, but the basic molecular mechanisms of their biosynthesis and signal transduction only recently became clear. The progress was achieved by identifying a series of key genes encoding enzymes and proteins controlling critical steps in biosynthesis, translocation, and signaling. Basic schemes for CK homeostasis and root/shoot communication at the whole-plant level can now be devised. This review summarizes recent
During plant development, distantly-located organs must communicate in order to adapt morphological and physiological features in response to environmental inputs. Among the recognized signaling molecules, a class of phytohormones known as the cytokinins functions as both local and long-distance regulatory signals for the coordination of plant development. This cytokinin-dependent communication system consists of orchestrated regulation of the metabolism, translocation, and signal transduction o
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