The objective of our work is to create a practical procedure to produce in vitro cell suspensions of and to ascertain the factors that encourage enhanced secondary metabolite production. We investigated the impact of these metabolites on 's adult and larval target enzymes. The explants were cultivated on Murashige and Skoog (MS) media with 0.1 to 1 mg/L plant growth regulators (PGRs) to create calluses. 2,4-Dichlorophenoxyacetic acid (2,4-D), kinetin, 1-naphthylacetic acid (NAA), and indole-3-butryic acid (IBA) at 0.5, 0.5, 0.1, and 1 mg/L, respectively, with 3% sucrose led to the highest biomass accumulation. In cell suspensions, the total phenolic content (TPC) and total flavonoid content (TFC) were 39.68 and 5.49 mg/g DW, respectively, with abiotic as an activator. Rosmarinic acid, ursolic acid, nepetoidin A and B, salvigenin, and quercetin-3-O-rutinoside as flavonoids and phenolics were analyzed using UPLC-I TQD MS, with the highest concentrations reached after 40 days. The extract demonstrates insecticidal activity against the fourth-instar larvae of , with adults at 1197 µg/mL and 12.5 µg/larvae as LC and LD values. The extract inhibited acetylcholine esterase (AChE), acid phosphatases (ACPs), alkaline phosphatases (ALPs), and gamma-aminobutyric acid-transaminase (GABA-T) in larval tissue in vitro, with IC values of 124.2, 149.3, 157.8, and 204.8 µg/mL, and in vivo, with IC values of 157.2, 179.4, 185.3, and 241.6 µg/mL, after 24 h. Pure compounds identified the activity of the extract, showing the inhibition of AChE, ACPs, ALPs, and GABA-T with IC values ˂ 200 µg/mL (in vitro). The ABMET examination revealed good oral permeability, and docking tests showed that the compounds bind AChE, ACPs, ALPs, and GABA-T. These findings show that a green bioprocessing method such as an cell suspension is a quick and straightforward technique for producing phenolic compounds, and it may be used to develop sustainable bio-insecticides and new green procedures.
Download full-text PDF |
Source |
---|---|
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10892409 | PMC |
http://dx.doi.org/10.3390/plants13040491 | DOI Listing |
J Chem Ecol
January 2025
Department of Biological Sciences, University of South Carolina, Columbia, SC, USA.
Plants emit green leaf volatiles (GLVs) in response to biotic and abiotic stress. Receiver plants perceive GLVs as alarm cues resulting in activation of defensive or protective mechanisms. While this is well documented, it is not known how GLVs are perceived by receiver cells and what the structural determinants are for GLV activity.
View Article and Find Full Text PDFActa Parasitol
January 2025
Laboratório de Biotecnologia e Bioquímica Aplicada, Departamento de Química, Universidade Federal de Lavras, Lavras, MG, Brasil.
Purpouse: The present study evaluated in vitro the action of the plant protease papain (EC 3.4.22.
View Article and Find Full Text PDFJ Cell Sci
January 2025
Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA.
Talin regulates the adhesion and migration of cells in part by promoting the affinity of integrins for extracellular matrix proteins, a process that in cells such as endothelial cells and platelets requires the direct interaction of talin with both the small GTPase, Rap1-GTP, and the integrin β3 cytoplasmic tail. To study this process in more detail, we employed an optogenetic approach in living, immortalized endothelial cells to be able to regulate talin interaction with the plasma membrane. Previous studies identified talin as the Rap1-GTP effector for β3 integrin activation.
View Article and Find Full Text PDFTzu Chi Med J
September 2024
School of Medicine, Tzu Chi University, Hualien, Taiwan.
Objectives: Gastric cancer (GC) is one of the most malignant tumors. Mounting studies highlighted gastric cancer stem cells (GCSCs) were responsible for the failure of treatment due to recurrence and drug resistance of advanced GC. However, targeted therapy against GCSC for improving GC prognosis suffered from lack of suitable models and molecular targets in terms of personalized medicine.
View Article and Find Full Text PDFMRS Bull
November 2024
Bioelectronics & Bioenergy Research Lab, Centre for Functional Ecology-Science for People & the Planet, Associate Laboratory TERRA, Department of Life Sciences, University of Coimbra, Coimbra, Portugal.
Abstract: Filamentous cyanobacteria originate toxic harmful algal blooms (HABs) in aquatic ecosystems, severely impacting freshwater ecosystems and life. Despite being natural bloomers, these microorganisms are challenging to handle , due to the formation of aggregates with entangled filaments. Consequently, their precise growth dynamics, although vital to timely predict HABs, remains inaccessible.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!