A5085890468- Plant Reproductive Biology
- Plant Molecular Biology Research
- Semiconductor Quantum Structures and Devices
- Ion Channels and Receptors
- Quantum Dots Synthesis And Properties
- ZnO doping and properties
- Copper-based nanomaterials and applications
- Chalcogenide Semiconductor Thin Films
- Ga2O3 and related materials
- Respiratory and Cough-Related Research
- Plant Stress Responses and Tolerance
- Toxin Mechanisms and Immunotoxins
- GaN-based semiconductor devices and materials
- Phytochemicals and Antioxidant Activities
- Polysaccharides and Plant Cell Walls
- Ion channel regulation and function
- Enzyme Structure and Function
- Microtubule and mitosis dynamics
- Neurobiology and Insect Physiology Research
- Herbal Medicine Research Studies
- Semiconductor materials and devices
- Radio Frequency Integrated Circuit Design
- Material Science and Thermodynamics
- Laser Design and Applications
- Advanced Physical and Chemical Molecular Interactions
National Yang Ming Chiao Tung University
2005-2024
ETH Zurich
2023-2024
Second Affiliated Hospital of Nanchang University
2021
Nanchang University
2021
Procter & Gamble (United States)
2011-2020
National Taiwan Ocean University
2006-2016
The Ohio State University
2003-2009
University of California, Riverside
2001
We have shown that Rop1At, a pollen-specific Rop GTPase is member of the Rho family small GTP binding proteins, acts as key molecular switch controlling tip growth in Arabidopsis pollen tubes. Pollen-specific expression constitutively active rop1at mutants induced isotropic Overexpression wild-type Rop1At led to ectopic accumulation plasma membrane at and caused depolarization tube growth, which was less severe than by rop1at. These results indicate both signaling polar localization are...
The Rho family GTPases function as key molecular switches, controlling a variety of actin-dependent cellular processes, such the establishment cell polarity, morphogenesis, and movement in diverse eukaryotic organisms. A novel subfamily GTPases, Rop, has been identified plants. Protein gel blot RNA hybridization analyses indicated that one these plant Rop1, is expressed predominantly male gametophyte (pollen pollen tubes). Cell fractionation analysis tubes showed Rop partitioned into soluble...
Abstract G proteins are universal molecular switches in eukaryotic signal transduction. The Arabidopsis genome sequence reveals no RAS small GTPase and only one or a few heterotrimeric proteins, two predominant classes of signaling found animals. In contrast, possesses unique family 11 Rop GTPases that belong to the Rho GTPases. Previous studies indicate controls actin-dependent pollen tube growth H2O2-dependent defense responses. this study, we tested hypothesis acts as versatile switch...
Microinjection of anti-Rop1Ps antibodies was used to assess the function a tip-localized Rho-type GTPase, Rop, in controlling pollen tube growth. Injected induced sustained growth arrest within 1 2 min after injection but did not affect cytoplasmic streaming. Coinjection with Rop rescued antibody-induced inhibition, indicating that injected specifically block activity GTPases. Antibody-induced inhibition significantly enhanced presence lower threshold extracellular [Ca2+] or subinhibitory...
Particle-based spatial discretization methods such as smoothed particle hydrodynamics (SPH) possess suitability for the high-fidelity simulation of laser manufacturing processes due to their capability in treating complex free-surface and multiphase problems. In simulations, heat source modeling remains a central concern mechanisms governing material deformations phase changes strongly depend on input energy its distribution details. Ray tracing (RT) is realistic accurate approach that can...
Compositional, structural, and optical properties of molecular-beam epitaxy grown AlxGa1−xN films were characterized by transmission electron microscopy (TEM), x-ray diffraction, cathodoluminescence spectroscopy. Spontaneous modulation, phase separation, band gap reductions observed to vary systematically with AlN mole fraction across the full alloy series. At low (x⩽0.5), AlGaN epilayers display pronounced separation. With increasing fraction, separation is strongly suppressed formation...
Transient receptor potential (TRP) ankyrin 1 (TRPA1) and vanilloid (TRPV1) receptors are implicated in modulation of cough nociception. In vivo, TRPA1 TRPV1 often co-expressed neurons TRPA1V1 hetero-tetramer formation is noted cells co-transfected with the respective expression plasmids. order to understand impact TRP interaction on activity, we created stable cell lines expressing TRPA1, co-expressing (TRPA1V1) receptors. Among 600 compounds screened against these receptors, observed a...
Human rhinovirus and influenza virus infections of the upper airway lead to colds flu can trigger exacerbations lower diseases including asthma chronic obstructive pulmonary disease. Novel diagnostic therapeutic targets are still needed differentiate between cold flu, since clinical course be severe while that is usually more mild. In our investigation infection human respiratory epithelial cells, we used a systems approach identify temporally changing patterns host gene expression from...
Little is known regarding the trafficking mechanisms of small molecules within plant cells. It remains to be established whether phytochemicals are transported by pathways similar those used proteins, or expansion metabolic in plants was associated with evolution novel pathways. In this paper, we exploited induction green and yellow auto-fluorescent compounds maize cultured cells P1 transcription factor investigate their targeting cell wall vacuole, respectively. We investigated accumulation...
Simulations of the powder jet in direct metal deposition (DMD) are often made with significant simplifications such as being incompressible, steady-state, or single-component, and do not provide explanation for choice parameters collision model. This work presents a coupled Computational Fluid Dynamics–Discrete Element Method model DMD that considers all following features: compressibility effects, particle–wall particle–particle collisions, turbulence, gas mixing, melt pool boundaries. The...
Type-II diluted magnetic semiconductor ZnMnTe quantum dots (QDs) in ZnSe matrix grown by molecular beam epitaxy were investigated conventional and magnetophotoluminescence (PL) spectroscopy. The QD emission exhibits a type-II characteristic excitation power dependence of PL peak energy. A nonzero circular polarization at the absence field was observed. This phenomenon is attributed to accumulation interface charges confined adjacent layers. magneto-optical measurement demonstrates...
Many transient receptor potential (TRP) channels are activated or blocked by various compounds found in plants. TRPV1 (transient vanilloid 1) and ankyrin 1 (TRPA1) members of the TRP ion channel family which implicated as cough receptors. Several plant extracts used traditional Chinese medicine (TCM) for treatment cough. This report evaluated effect four such herbals their on Of tested, Pipaye (Folium Eriobotryae) extracts, especially 50% ethanol extract, showed highest activity suppression...
Abstract Vacuoles are essential pleomorphic organelles that undergo dynamic changes during cell growth and differentiation in plants. How developmental signals linked to vacuole biogenesis development is poorly understood. In this report, we show a Rop GTPase localized developing vacuoles pea (Pisum sativum cv Extra Early Alaska). belongs the RHO family of Ras-related small GTP-binding proteins key molecular switches wide variety eukaryotic signal transduction pathways. Using indirect...
We found that the exciton-phonon coupling in Zn1−xMgxO powders (0.01 ≦ x 0.07) is greatly influenced by crystalline-size. Two well-resolved photoluminescence (PL) bands due to recombination of free exciton and its longitudinal optical (LO)-phonon replicas enable us analyze relative intensities among excitons, one-LO-phonon replicas, two-LO-phonon replicas. As crystalline size increases, a larger enhancement PL-intensity ratio LO-phonon was compared two replica replica.