Helena Silva

ORCID: 0000-0001-8060-2842
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About
Contact & Profiles
Research Areas
  • Coastal wetland ecosystem dynamics
  • Microbial Community Ecology and Physiology
  • Phytochemistry and Biological Activities
  • Essential Oils and Antimicrobial Activity
  • Phytochemicals and Antioxidant Activities
  • Plant-Microbe Interactions and Immunity
  • Plant Stress Responses and Tolerance
  • Fungal Biology and Applications
  • Geology and Paleoclimatology Research
  • Plant responses to water stress
  • Microbial bioremediation and biosurfactants
  • Legume Nitrogen Fixing Symbiosis
  • Coastal and Marine Dynamics
  • Plant biochemistry and biosynthesis
  • Lysosomal Storage Disorders Research
  • Plant and Fungal Species Descriptions
  • Plant Diversity and Evolution
  • Drug-Induced Hepatotoxicity and Protection
  • Marine and coastal ecosystems
  • Aeolian processes and effects
  • Wastewater Treatment and Nitrogen Removal
  • Plant Water Relations and Carbon Dynamics
  • Plant tissue culture and regeneration
  • Allelopathy and phytotoxic interactions
  • Paleontology and Stratigraphy of Fossils

University of Aveiro
2014-2024

Hospital Braga
2015-2024

Centro Hospitalar de Vila Nova de Gaia
2023

Centro Hospitalar Tondela-Viseu
2021

Centro Hospitalar do Porto
2017

Universidade do Porto
2014

University of Évora
2012-2013

Hospital de São Marcos
2008

Halophytes have long been used for medicinal purposes. However, many decades, their use was entirely empirical, with virtually no knowledge of the bioactive compounds underlying different applications. In recent growing problem antibiotic resistance triggered research on alternative antimicrobial approaches, and halophytes, along other plants, regained attention as an underexplored pharmacological vein. Furthermore, high nutritional/nutraceutical/pharmacological value some halophytic species...

10.3390/app12157493 article EN cc-by Applied Sciences 2022-07-26

Root−associated microbial communities play important roles in the process of adaptation plant hosts to environment stressors, and this perspective, microbiome halophytes represents a valuable model for understanding contribution microorganisms tolerance salt. Although considered as most promising halophyte candidate crop cultivation, Salicornia ramosissima is one least-studied species terms composition effect sediment properties on diversity plant-growth promoting bacteria associated with...

10.3390/app11052233 article EN cc-by Applied Sciences 2021-03-03

Salicornia perennis is a halophyte belonging to the botanical subfamily Salicornioideae that forms extensive perennial salt marsh patches. This has excellent potential, still unexplored, as source of food, medicine, and phytoremediation. study aimed evaluate lipophilic composition different organs inhabiting marshes Ria de Aveiro under stress regimes. For this purpose, content was extracted with hexane subsequent GC-MS analysis extracts for each plant organ, which collected in three Aveiro....

10.3390/metabo13020280 article EN cc-by Metabolites 2023-02-15

In this study, two molecular techniques [denaturing gradient gel electrophoresis (DGGE) and barcoded pyrosequencing] were used to evaluate the composition of bacterial communities in salt marsh microhabitats [bulk sediment surrounding roots (rhizosphere) Halimione portulacoides Sarcocornia perennis ssp. perennis] that have been differentially affected by oil hydrocarbon (OH) pollution. Both DGGE pyrosequencing revealed is structured microhabitat. Rhizosphere from both plant species...

10.1111/1574-6941.12425 article EN FEMS Microbiology Ecology 2014-09-10

Valentim, J.M., Vaz, L., N., Silva, H., Duarte, B., Caçador, I. and Dias, 2013. Sea level rise impact in residual circulation Tagus estuary Ria de Aveiro lagoon.Nowadays, there is a special concern about the possible of sea hydrodynamic patterns coastal systems its consequence contingent ecosystems. In present work, effects are analyzed two most important Portuguese systems, lagoon estuary. The role rivers inflow on also under different scenarios. Several projections river discharges were...

10.2112/si65-335.1 article EN Journal of Coastal Research 2013-01-03

Waterlogging and submergence are the major constraints to which wetland plants subjected, with inevitable impacts on their physiology productivity. Global warming climate change, as driving forces of sea level rise, tend increase such submersion periods also modify carbonate chemistry water column due increased concentration CO2 in atmosphere. In present work, underwater O2 fluxes leaves two abundant Mediterranean halophytes were evaluated at different levels dissolved CO2. Photosynthetic...

10.1093/aobpla/plu067 article EN cc-by AoB Plants 2014-01-01
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