Repositorio Institucional
Repositorio Institucional
CONICET Digital
  • Inicio
  • EXPLORAR
    • AUTORES
    • DISCIPLINAS
    • COMUNIDADES
  • Estadísticas
  • Novedades
    • Noticias
    • Boletines
  • Ayuda
    • General
    • Datos de investigación
  • Acerca de
    • CONICET Digital
    • Equipo
    • Red Federal
  • Contacto
JavaScript is disabled for your browser. Some features of this site may not work without it.
  • INFORMACIÓN GENERAL
  • RESUMEN
  • ESTADISTICAS
 
Artículo

Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes

González, César IvánIcon ; Maine, Maria AlejandraIcon ; Cazenave, JimenaIcon ; Hadad, Hernán RicardoIcon ; Benavides, Maria PatriciaIcon
Fecha de publicación: 09/2015
Editorial: Elsevier
Revista: Environmental and Experimental Botany
ISSN: 0098-8472
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ciencias de las Plantas, Botánica

Resumen

Ni accumulation and concomitant physiological and biochemical responses were studied in Eichhornia crassipes1 exposed to different concentrations (1, 2, 3 and 4 mg l−1 Ni) for 72 h. E. crassipes1 rapidly sorbed Ni during the first 24 h. Ni concentration in roots was significantly higher than in aerial parts. Continuity of the photosynthetic activity was observed by a significant increase of pigment concentrations during the first 48 h, followed by a decrease at 72 h. In aerial parts, MDA concentration increased significantly during first 48 h at the highest Ni concentration exposure. However, was evidently counteracted by the compensatory protective mechanism of increased antioxidant enzyme activities. In roots, a significant increase in enzyme activities of antioxidant system did not prevent lipid peroxidation observed by an increase in MDA concentration at 72 h of exposure. Our results suggest that E. crassipes1 was able to tolerate Ni stress increasing the activity of its antioxidant system at short exposure times and low Ni concentrations studied.
Palabras clave: Metals , Oxidative Stress , Lipid Peroxidation , Macrophytes
Ver el registro completo
 
Archivos asociados
Thumbnail
 
Tamaño: 756.6Kb
Formato: PDF
.
Descargar
Licencia
info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/18322
URL: http://www.sciencedirect.com/science/article/pii/S0098847215000714
DOI: http://dx.doi.org/10.1016/j.envexpbot.2015.04.006
Colecciones
Articulos(INALI)
Articulos de INST.NAC.DE LIMNOLOGIA (I)
Articulos(IQUIFIB)
Articulos de INST.DE QUIMICA Y FISICO-QUIMICA BIOLOGICAS "PROF. ALEJANDRO C. PALADINI"
Citación
González, César Iván; Maine, Maria Alejandra; Cazenave, Jimena; Hadad, Hernán Ricardo; Benavides, Maria Patricia; Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes; Elsevier; Environmental and Experimental Botany; 117; 9-2015; 20-27
Compartir
Altmétricas
 

Enviar por e-mail
Separar cada destinatario (hasta 5) con punto y coma.
  • Facebook
  • X Conicet Digital
  • Instagram
  • YouTube
  • Sound Cloud
  • LinkedIn

Los contenidos del CONICET están licenciados bajo Creative Commons Reconocimiento 2.5 Argentina License

https://www.conicet.gov.ar/ - CONICET

Inicio

Explorar

  • Autores
  • Disciplinas
  • Comunidades

Estadísticas

Novedades

  • Noticias
  • Boletines

Ayuda

Acerca de

  • CONICET Digital
  • Equipo
  • Red Federal

Contacto

Godoy Cruz 2290 (C1425FQB) CABA – República Argentina – Tel: +5411 4899-5400 repositorio@conicet.gov.ar
TÉRMINOS Y CONDICIONES