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Cellular and biochemical alterations induced by diesel oil in the brown algaSargassum cymosumvar.stenophyllumcultured in vitro.
Chemosphere
January 2025
Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, 88049-900, P. O. Box 476, Florianopolis, SC, Brazil. Electronic address:
The effect of the in vitro acute exposure to diesel oil (0.001%, 0.01%, 0.
View Article and Find Full Text PDFDynamic changes of heterogeneous cell wall macromolecules in differentiating conifer xylem using cytochemical localization.
Int J Biol Macromol
January 2025
Department of Wood Anatomy and Utilization, Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China; Wood Specimen Resource Center (WOODPEDIA) of National Forestry and Grassland Administration, Beijing 100091, China. Electronic address:
Article Synopsis
- Understanding the changes in cell wall components during xylem differentiation is crucial for grasping the structure of wood, especially at the secondary cell wall layer level.
- In the study of Pinus bungeana, it was found that crystalline cellulose and glucomannan were deposited before xylan and lignin, with lignification starting in the primary cell wall corners as the S layer developed.
- Immunofluorescence results showed that glucomannan was deposited earlier than xylan, and while pectins were concentrated in the primary walls, they decreased as tracheid walls differentiated, with ray cells lagging behind axial tracheids in their development.
Developmental studies of the sublingual and mandibular salivary glands in Japanese quails (Coturinx coturinx japonica).
BMC Vet Res
November 2024
Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt.
Article Synopsis
- The Japanese quail has been significant to humans since the 12th century, known for its high egg production, quality low-fat meat, and ease of management, making it valuable in both industry and research.
- A study focused on the development of the oropharyngeal salivary glands in Japanese quails, examining embryos and chicks at various ages using histological and electron microscopy techniques.
- Key findings included the early formation of sublingual and mandibular glands, which developed into mucous glands after hatching, playing important roles in food processing and moisture retention during feeding.
Innovative Biocompatible Blend Scaffold of Poly(hydroxybutyrate-co-hydroxyvalerate) and Poly(ε-caprolactone) for Bone Tissue Engineering: In Vitro and In Vivo Evaluation.
Polymers (Basel)
October 2024
Centro de Ciências Naturais e Humanas (CCNH), Universidade Federal do ABC (UFABC), São Bernardo do Campo 09606-070, Brazil.
This study evaluated the biocompatibility of dense and porous forms of Poly(hydroxybutyrate-co-hydroxyvalerate) (PHBV), Poly(ε-caprolactone) (PCL), and their 75/25 blend for bone tissue engineering applications. The biomaterials were characterized morphologically using scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR), and the thickness and porosity of the scaffolds were determined. Functional assessments of mesenchymal stem cells (MSCs) included the MTT assay, alkaline phosphatase (ALP) production, and morphological and cytochemical analyses.
View Article and Find Full Text PDFDynamics of Hydrogen Peroxide Accumulation During Tip Growth of Infection Thread in Nodules and Cell Differentiation in Pea ( L.) Symbiotic Nodules.
Plants (Basel)
October 2024
Laboratory of Molecular and Cell Biology, All-Russia Research Institute for Agricultural Microbiology, 196608 Saint Petersburg, Russia.
Hydrogen peroxide (HO) in plants is produced in relatively large amounts and plays a universal role in plant defense and physiological responses, including the regulation of growth and development. In the -legume symbiosis, hydrogen peroxide plays an important signaling role throughout the development of this interaction. In the functioning nodule, HO has been shown to be involved in bacterial differentiation into the symbiotic form and in nodule senescence.
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