Willow trees from heavy metals phytoextraction as energy crops

The Effect ofTrichodermaon Heavy Metal Mobility and Uptake byMiscanthus giganteus,Salixsp.,Phalaris arundinacea, andPanicum virgatum

“…However, large quantities of highly contaminated plant material require disposal [5]. Some authors suggest that the combination of soil remediation by fast growing species with their consequent energetic utilisation seems to be a suitable technological process [6,7]. Next to willow and poplar, there are several lignocellulosic herbaceous species, including grasses such as Miscanthus, reed canary grass, or switchgrass.…”

Expression of zinc and cadmium responsive genes in leaves of willow (Salix caprea L.) genotypes with different accumulation characteristics

“…Leaves were selected for the analysis because metal storage and tolerance in harvestable organs is of particular interest for phytoextraction crops that at the same time provide biomass for energy production (Ruttens et al., 2011; Šyc et al., 2012). Based on phylogenetic analyses with poplar, birch and Arabidopsis thaliana (L.) Heynh sequences, degenerated primers were constructed in conserved regions of the genes encoding the metal influx transporter ZRT-IRT-LIKE PROTEIN ZIP6 , the metal sequestering protein HEAVY METAL TRANSLOCATING P-TYPE ATPASE HMA1 , two metallothioneins ( MT2B and MT3 ), the first three enzymes involved in cysteine and glutathione biosynthesis ( SERINE-O-ACETYL TRANSFERASE SAT1 , O-ACETYLSERIN (THIOL) LYASE OASA1 , γ-GLUTAMYLCYSTEINE SYNTHETASE CAD2 ), a METAL TOLERANCE PROTEIN MTP1 , and two PHYTOCHELATIN SYNTHASES (PCS1 and PCS2 ).…”

Phytoremediation of Copper-Contaminated Soil

“…Additionally, high concentrations of trace elements in modifi ed plants with "hyperaccumulation" genes can be interesting and a valuable substrate in phytomining (Brooks and Robinson 1998 ). Within the last 20 years, the concept of combining two traits-high biomass and high trace element (also Cu) accumulation capacity-in one plant has been the subject of many studies ( Kumar et al 1995 ;Volk et al 2006 ;Šyc et al 2012 ). Brooks et al ( 1998 a) described phytomining as a useful 'green' alternative method and proposed a model for a possible economic phytomining system.…”