A5068138366- Seed Germination and Physiology
- Seed and Plant Biochemistry
- Plant tissue culture and regeneration
- Plant Stress Responses and Tolerance
- Plant Diversity and Evolution
- Photosynthetic Processes and Mechanisms
- Magnetic and Electromagnetic Effects
- Plant Genetic and Mutation Studies
- Plant Reproductive Biology
- Plant Parasitism and Resistance
- Botanical Research and Applications
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Light effects on plants
- Plant Virus Research Studies
- Plant-Microbe Interactions and Immunity
- Microbial Metabolites in Food Biotechnology
- Plant Micronutrient Interactions and Effects
- Plant Taxonomy and Phylogenetics
- Food composition and properties
- Plant Molecular Biology Research
- Proteins in Food Systems
- Plant and animal studies
- Polysaccharides and Plant Cell Walls
- Bioenergy crop production and management
Consejo Nacional de Investigaciones Científicas y Técnicas
1988-2025
University of Buenos Aires
2011-2025
Fundación Ciencias Exactas y Naturales
2011-2024
Experimental Medicine and Biology Institute
2014-2019
Instituto de Biodiversidad y Biología Experimental y Aplicada
2016-2019
National Academies of Sciences, Engineering, and Medicine
2015
National Agricultural Technology Institute
2007-2009
University of Potsdam
2009
Instituto Biológico
2008
Instituto Nacional de Tecnologia
2007
The three areas of food reserves in quinoa seeds are: a large central perisperm, peripheral embryo and one to two-cell layered endosperm surrounding the hypocotyl-radicle axis embryo. Cytochemical ultrastructural analysis revealed that starch grains occupy cells while lipid bodies, protein bodies with globoid crystals phytin, proplastids deposits phytoferritin are storage components tissues. EDX contain phosphorus, potassium magnesium. These results compared studies on other perispermous...
The wheat spikelet meristem differentiates into up to 12 floret primordia, but many of them fail reach the fertile stage at anthesis. We combined microarray, biochemical and anatomical studies investigate development in plants grown field under short or long days (short extended with low-fluence light) after all spikelets had already differentiated. Long accelerated spike greening, expression genes involved photosynthesis, photoprotection carbohydrate metabolism. These changes started while...
Background/Objective: World Health Organization latest statistics state that 17% of infectious diseases are transmitted by vectors, causing more than 700,000 deaths each year. Particularly, dengue (DENV), Zika (ZIKV) and yellow fever (YFV) viral infections have generated international awareness due to their epidemic proportion risks spread. In this framework, the repositioning strategy Efavirenz (EFV) represents a key clinical feature improve different antiviral therapies. Therefore,...
The aim of the present work was to establish in vitro conditions for induction, stabilization and proliferation embryogenic cultures A. angustifolia. Pre-cotyledonary staged zygotic embryos inoculated BM medium supplemented with 5 µM 2,4- D, 2 BAP Kin, 3% maltose or sucrose resulted 66.7% induction rate. rate affected by carbon source, as well multiplication morphology cultures. Embryogenic maintained presented bipolar morphology. Globular somatic were obtained 9% (PEG) (9%) maltose. These...
The Euterpe edulis embryo consists of a prominent single cotyledon, very short radicle-hypocotyl axis and an epicotyl. epicotyl is obliquely angled with respect to the cotyledon; consequently it corresponds one two categories recognized for palm seeds by DeMason (1988). Parenchyma, protoderm procambium can be distinguished on basis position shape their cells, which are highly vacuolated central vacuole cytoplasm restricted thin parietal layer. Initial cells from both apical meristems also...
At seed maturity, quinoa (Chenopodium Willd.) perisperm consists of uniform, non-living, thin-walled cells full starch grains. The objective the present study was to development and describe programme cell death that affects entire tissue. A number parameters typically measured during programmed (PCD), such as cellular morphological changes in nuclei cytoplasm, endoreduplication, DNA fragmentation, participation nucleases caspase-like proteases nucleus dismantling, were evaluated; cytoplasm...
The effect of jasmonic acid (JA) on plant growth and calcium‐dependent protein kinase (CDPK) activity expression was studied in non‐photoperiodic potato plants, Solanum tuberosum L. var. Spunta, grown vitro. Stem cuttings were for 45 days (long treatment, LT) MS medium with increasing concentrations JA. For short treatments (ST) adult plants transferred 1, 4 20 h to JA containing media. During the LT, low promoted cell expansion shoot elongation while higher caused inhibition. Under these...
The aim of this work was to quantify the protein, starch and total sugars levels during histodifferentiation development somatic embryos Acca sellowiana Berg. For histological observations, samples were dehydrated in a battery ethanol, embedded historesin stained with toluidine blue (morphology), coomassie (protein bodies) periodic acid-Schiff (starch). Proteins extracted using buffer solution, precipitated ethanol quantified Bradford reagent. Total methanol-chloroform-water (12:5:3)...
Abstract A cytoplasmically inherited chlorophyll-deficient mutant of barley (Hordeum vulgare) termed cytoplasmic line 3 (CL3), displaying a viridis (homogeneously light-green colored) phenotype, has been previously shown to be affected by elevated temperatures. In this article, biochemical, biophysical, and molecular approaches were used study the CL3 under different temperature light conditions. The results lead conclusion that an impaired assembly photosystem I (PSI) higher temperatures...
Salix nigra seeds are desiccation-tolerant, as orthodox seeds, although in contrast to other they lose viability a few weeks at room temperature. They also differ that the chloroplasts of embryo tissues conserve their chlorophyll and endomembranes. The aim this paper was investigate role seed deterioration. Seeds were aged different light intensities atmospheric conditions. Mean germination time normal total evaluated. formation free radicals assessed using electronic spin resonance...
The pollination biology of very few Chloraeinae orchids has been studied to date, and most these studies have focused on breeding systems fruiting success. Chloraea membranacea Lindl. is one the non-Andean species in this group, aim present contribution elucidate biology, functional floral morphology system native populations from Argentina (Buenos Aires) Brazil (Rio Grande do Sul State). Floral features were examined using light microscopy, scanning transmission electron microscopy. was by...
Abstract Willow ( Salix spp.) seeds are able to tolerate desiccation, but differ from typical orthodox in that they lose viability a few days at room temperature, and the chloroplasts embryo tissues do not dedifferentiate during maturation drying, thus retaining chlorophyll maintaining intact their thylakoid membranes. In present study, we investigated damage generated willow storage under appropriate conditions exclude eventual generation of reactive oxygen species by photooxidation. To...
Information on desiccation sensitivity of Euterpe edulis seeds under two drying rates is presented. The was studied during the course germination and normal germination. water content evaluated for bo... | Find, read cite all research you need Tech Science Press