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Excessive copper induces lignin biosynthesis in the leaves and roots of two citrus species: Physiological, metabolomic and anatomical aspects.
Ecotoxicol Environ Saf
January 2025
College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Key Lab of Soil Ecosystem Health and Regulation, Fujian Province University (Fujian Agriculture and Forestry University), Fuzhou 350002, China. Electronic address:
Excessive copper (Cu) of rhizosphere inhibited the growth and development of citrus seedlings. Lignin deposition on the cell wall promotes plant Cu tolerance. However, the lignin biosynthesis in citrus leaves and roots that respond to Cu toxicity is not fully understood.
View Article and Find Full Text PDFMorphological, Anatomical, and Histochemical Study of Cordia diffusa K.C. Jacob-A Steno Endemic Plant.
Microsc Res Tech
December 2024
Department of Botany, Root and Soil Biology Laboratory, Bharathiar University, Coimbatore, Tamil Nadu, India.
Cordia diffusa K.C. Jacob, known as Sirunaruvili, belonging to the family Boraginaceae, is a rare endemic species.
View Article and Find Full Text PDFUse of polyethylene glycol as an alternative to optimal cutting temperature medium in freeze sectioning for plant histochemical studies.
Protoplasma
December 2024
Natural Product Biotechnology Group, Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, 721 302, India.
Plant anatomical and histochemical studies are concerned with the structural organization of tissues as well as localization of various metabolites and enzyme activity inside cells and tissues. Traditionally, rotary microtomes are used for paraffin and resin-embedded samples which provide excellent preservation of tissue morphology but removes enzymes, lipid components, and various specialized metabolites. Freeze sectioning apparently remained unexplored in plant histology because of the presence of rigid cell walls and highly vacuolated cytoplasm in plant tissues.
View Article and Find Full Text PDFCortico-cortical connectivity of the somatosensory cortex of the agouti: Topographical organization and evolutionary implications.
Anat Rec (Hoboken)
December 2024
Laboratory of Neurodegeneration and Infection, João de Barros Barreto University Hospital, Federal University of Pará, Belém, PA, Brazil.
Understanding patterns of cortico-cortical connections in both frequently and infrequently studied species advances our knowledge of cortical organization and evolution. The agouti (Dasyprocta aguti, a medium-size South American rodent) offers a unique opportunity, because of its large lissencephalic brain and its natural behaviors, such as gnawing and hiding seeds, that require bimanual interaction while sitting on its hindlimbs and aligning its head to receive images of the horizon on the retinal visual streak. There have been no previous studies of the intrinsic and extrinsic ipsilateral projections of the agouti's primary somatosensory cortical area (S1).
View Article and Find Full Text PDFMorphoanatomy and Histochemistry of Symplocos tetrandra (Mart.) Mart. (Symplocaceae).
Microsc Res Tech
December 2024
Postgraduate Program in Pharmaceutical Sciences, Federal University of Paraná, Curitiba, Paraná, Brazil.
Article Synopsis
- * Studies on Symplocos tetrandra using light and scanning electron microscopy revealed key anatomical features, such as calcium oxalate crystals and specialized stomata, useful for species identification.
- * The presence of these metabolites and unique anatomical markers indicates potential for further pharmacological research and taxonomic classification of S. tetrandra.
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