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Single-Electron Catalysis of Reversible Cycloadditions under Nanoconfinement
Molecular mechanism of Cinnamomum zeylanicum and Citrus aurantium essential oils against the root-knot nematode, Meloidogyne incognita
Abstract The root-knot nematode Meloidogyne incognita is the most harmful and destructive nematode species due to its widespread distribution and its ability to destroy a wide range of agriculturally and economically important crops. Plant-derived essential oils (EO) are one of the promising strategies for nematode management showing high nematicidal potential. Very little is known about the molecular mechanisms activated by EOs in M. incognita. In our study, we assessed the effects of Cinnamomum zeylanicum, Citrus aurantium and the chemical nematicide Oxamyl on the mortality of M. incognita juveniles (J2) at different doses and exposure. The toxicity of C. zeylanicum and C. aurantium EOs to M. incognita J2 was largely different, peaking 94.7 and 26.7% mortality rates after a 24-hour exposure to 100 µg mL− 1 EO concentrations, respectively. The different nematicidal activity of the two EOs was also confirmed by their LC50 values, ranging between 0.1 and 399 mg mL− 1 concentrations for the 24-hour treatment, respectively. The sublethal dose (0.78 µg mL− 1), the concentration that does not cause mortality but still triggers physiological responses, was chosen for both EOs and Oxamyl to investigate the expression levels of Mi-ace-1, Mi-ace-2, and Mi-hsp90, involved in host finding processes, and Mi-far-1, involved in the cuticle protection, by using real time PCR. Our results reveal that C. zeylanicum is toxic at lower doses than C. aurantium. The different expression level of Mi-far-1 in J2s treated with C. zeylanicum suggests a different action mode compared to C. aurantium and Oxamyl. Understanding the action mode of these compounds at molecular level will help to develop more potent and effective nematicides safer for environment and humans.
Visible Light-Promoted Deracemization of α-Amino Aldehyde by Synergistic Chiral Primary Amine and Hypervalent Iodine Catalysis
Development of a flexible 3D printed TPU-PVC microfluidic devices for organ-on-a-chip applications
<sup>1</sup>H NMR Trajectories for Analyzing the Growth and Purification of 2D Polyaramids
Chemoresistance mechanisms to 5-Fluorouracil and reversal strategies in lung and breast cancer
What’s next for the World Health Organization? US exit could reshape agency
Multi-dimensional, Multi-scale Analysis of Interphase Chemistry for Enhanced Fast-Charging of Lithium-Ion Batteries with Ion Mass Spectrometry
Publisher Correction: Water and seawater splitting with MgB2 plasmonic metal-based photocatalyst
Iridium-Catalyzed Stereocontrolled C(sp<sup>3</sup>)–C(sp<sup>3</sup>) Cross-Coupling of Boronic Esters and Allylic Carbonates Enabled by Boron-to-Zinc Transmetalation
Activated type 17 helper T cells affect tofacitinib treatment outcomes
Abstract The incidence of ulcerative colitis (UC) is on the rise also in Japan. Simultaneously, therapeutic options, including biologics and Janus kinase (JAK) inhibitors, have significantly expanded over the past decade. Although tofacitinib (TOF), one of JAK inhibitors, is a viable option for patients with moderate to severe UC, there is insufficient data to predict responsiveness of TOF treatment. The present study aimed to determine whether the infiltration of IL-17 A-positive mononuclear cells into the colonic mucosa can predict responsiveness to TOF treatment. Patients with UC who underwent TOF treatment were divided into responder and failure groups. Subsequently, we conducted a comparative analysis to identify differences in the infiltration of IL-17 A-positive cells into the colonic mucosa through immunohistochemical examination of colon biopsy samples. The proportion of IL-17 A positive mononuclear cells in colon biopsy samples was significantly higher in the failure group than among responders (38.2% vs. 21.2%). Consistent with this finding, our re-analysis of RNA sequence datasets available in the Gene Expression Omnibus (GEO) database suggested that TOF exerts a more pronounced influence on Th1 cells compared with IL-17-producing Th17 cells. In summary, an abundance of IL-17 A-positive mononuclear cells in the colonic mucosa has the potential to predict the responsiveness to TOF treatment.