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Autor:
V. de la Fuente & L. Rufo & N. Rodríguez& E. Ramírez1 & I. Sánchez-Gavilán & R. Amils
Año:
Revista:
Protoplasma
Resumen:
The study of plants adapted to an extreme environment with a high concentration of iron such as Río Tinto allowed the study of
important elements for the development and control of plant growth including their localization, management, and storage. The
absorption, transport, and accumulation of iron were studied in different species of dicotyledons (Sarcocornia pruinosa,
Salicornia patula, Arthrocnemum macrostachyum, and Halogeton sativus of the Chenopodiaceae family) and monocotyledons
(Imperata cylindrica, Cynodon dactylon, and Panicum repens from the Poaceae family), all obtained from the Río Tinto banks in
different sample collection campaigns. The results clearly show that phytoferritin is not observed in the chloroplast of monocotyledons, an important difference from what is observed in dicotyledons. The presence of plastids with a high concentration of iron
in the sieve tubes of monocotyledons strongly suggests their possible role in the transport and accumulation of iron in these
plants.
Instrumentos empleados:
Hitachi S-3000 N