H. Kasahara

Investigating the biosynthesis and roles of the auxin phenylacetic acid during Pseudomonas syringae-Arabidopsis thaliana pathogenesis

This study investigates the role of phenylacetic acid (PAA) produced by Pseudomonas syringae during infection of Arabidopsis thaliana, showing that PAA/IAA homeostasis affects plant-microbial interactions.

Three-dimensional visualization of moss rhizoid system by refraction-contrast X-ray micro-computed tomography

This study visualizes and quantitatively analyzes the 3D rhizoid system of moss using X-ray micro-CT and machine learning, revealing its dense structure similar to vascular plant roots.

Chemical inhibition of auxin inactivation pathway uncovers the metabolic turnover of auxin homeostasis

This study inhibits the auxin inactivation pathway using a novel chemical inhibitor, revealing rapid auxin turnover and dynamic regulation of auxin homeostasis.

Local conjugation of auxin by the GH3 amido synthetases is required for normaldevelopment of roots and flowers in Arabidopsis

This study shows that GH3 amido synthetases conjugate auxin, and their deletion causes developmental defects in Arabidopsis roots and flowers.

Regulation of suberin biosynthesis and Casparian strip development in the root endodermis by two plant auxins

This study shows that PAA and IAA regulate suberin biosynthesis and Casparian strip development differently in root endodermis, with auxin antagonistically affecting CS formation.

Visualization of Arabidopsis root system architecture in 3D by refraction-contrast X-ray micro-computed tomography

The paper uses refraction-contrast X-ray micro-CT to visualize Arabidopsis root system architecture in 3D, distinguishing roots from rockwool fibers in microgravity conditions.

Life cycle of arabidopsis in the international space station - Growth direction of the inflorescence stems in the presence of light under microgravity

The paper examines how Arabidopsis inflorescence stems grow under microgravity and artificial gravity conditions in the presence of light.

Characterization of amyloid β fibril formation under microgravity conditions

This study examines amyloid β fibril formation under microgravity conditions on the ISS, finding slower progression and distinct morphologies compared to ground-based experiments.

The Arabidopsis NRT1/PTR FAMILY Protein NPF7.3/NRT1.5 is an Indole-3-butyric Acid Transporter Involved in Root Gravitropism

The paper identifies NPF7.3 as an IBA transporter involved in root gravitropism by facilitating IBA uptake, which is necessary for auxin gradient formation.