Juan Manuel Peralta

ORCID: 0000-0003-3220-1221
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About
Contact & Profiles
Research Areas
  • Plant Stress Responses and Tolerance
  • Arsenic contamination and mitigation
  • Plant nutrient uptake and metabolism
  • Legume Nitrogen Fixing Symbiosis
  • Plant Molecular Biology Research
  • Plant-Microbe Interactions and Immunity
  • Coal and Its By-products
  • Selenium in Biological Systems
  • Photosynthetic Processes and Mechanisms
  • Heavy metals in environment
  • Plant Reproductive Biology
  • Growth and nutrition in plants
  • Historical Studies in Latin America
  • Aluminum toxicity and tolerance in plants and animals
  • Agricultural pest management studies
  • Plant tissue culture and regeneration
  • Heavy Metal Exposure and Toxicity
  • Seed Germination and Physiology
  • Medieval Architecture and Archaeology
  • Latin American history and culture
  • Archaeological and Geological Studies
  • Historical and socio-economic studies of Spain and related regions
  • Water Quality Monitoring and Analysis
  • Archaeological and Historical Studies
  • Polysaccharides and Plant Cell Walls

Fundación Instituto Leloir
2021-2023

Consejo Nacional de Investigaciones Científicas y Técnicas
2019-2023

National University of Río Cuarto
2017-2022

Estación Experimental del Zaidín
2020-2021

Root Hairs (RHs) growth is influenced by endogenous and external environmental signals that coordinately regulate its final cell size. We have recently determined RH was unexpectedly boosted when Arabidopsis thaliana seedlings are cultivated at low temperatures. It proposed plasticity in response to temperature linked a reduced nutrient availability the media. Here, we explore molecular basis of this using Genome Wide Association Study (GWAS) approach natural accessions. identify poorly...

10.1038/s41467-022-28833-4 article EN cc-by Nature Communications 2022-03-14

Summary Root hairs (RH) are excellent model systems for studying cell size and polarity since they elongate several hundred‐fold their original size. Their tip growth is determined both by intrinsic environmental signals. Although nutrient availability temperature key factors a sustained plant growth, the molecular mechanisms underlying sensing downstream signaling pathways remain unclear. We use genetics to address roles of surface receptor kinase FERONIA (FER) TOR Complex 1 (TORC) in RH...

10.1111/nph.18723 article EN New Phytologist 2023-01-30

Root hair cells are important sensors of soil conditions. They grow towards and absorb water-soluble nutrients. This fast oscillatory growth is mediated by continuous remodeling the cell wall. walls contain polysaccharides hydroxyproline-rich glycoproteins, including extensins (EXTs). Class-III peroxidases (PRXs) secreted into apoplastic space thought to trigger either wall loosening or polymerization components, such as Tyr-mediated assembly EXT networks (EXT-PRXs). The precise role these...

10.3390/ijms23105375 article EN International Journal of Molecular Sciences 2022-05-11

Abstract Root hairs (RH) are excellent model systems for studying cell size and polarity since they elongate several hundred-fold their original size. Their tip growth is determined both by intrinsic environmental signals. Although nutrient availability temperature key factors a sustained plant growth, the molecular mechanisms underlying sensing downstream signaling pathways remain unclear. Here, we identified that low (10°C) triggers strong RH elongation response involving surface receptor...

10.1101/2022.01.10.475584 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2022-01-12

Arsenic in groundwater constitutes an agronomic problem due to its potential accumulation the food chain. Among agro-sustainable tools reduce metal(oid)s toxicity, use of plant growth-promoting bacteria (PGPB) becomes important. For that, and based on previous results which significant differences As translocation were observed when inoculating maize plants with Az39 or CD Azospirillum strains, we decided decipher redox metabolism changes antioxidant system response inoculated exposed a...

10.1111/ppl.13514 article EN Physiologia Plantarum 2021-07-31

El objetivo de este trabajo fue estudiar la combinación Azospirillum argentinense Az39 con herbicidas pre y post-emergentes, Acetoclor Dicamba, para su aplicación tanto in vitro como en germinación estadio vegetativo plantas maíz. Se determinó supervivencia presencia los agregados al medio cultivo sin adición fuentes carbono o nitrógeno. En semillas maíz, tratadas ambos inoculación bacteriana, se evaluó el efecto desarrollo temprano variables morfo-fisiológicas V5. Los ensayos determinaron...

10.31047/1668.298x.v1.n40.38874 article ES cc-by-sa Agriscientia 2023-09-18

ABSTRACT Root Hairs (RHs) growth is highly influenced by endogenous as well external environmental signals that coordinately regulate its final cell size. RHs actively expand the root surface responsible for nutrient uptake and water absorption. We have recently determined RH was unexpectedly boosted when Arabidopsis thaliana seedlings are cultivated at low temperatures. It proposed plasticity in response to temperature linked a reduced availability media. Here, we explored molecular basis...

10.1101/2021.08.20.456256 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2021-08-20
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