The ascorbic acid system in seeds: to protect and to serve

By M. C. Tullio, O. Arrigoni. Seed Science Research, 2003

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Treatment conditions and biochemical processes influencing seed priming effectiveness (2012, background): “In contrast to this, spinach SOD and CAT declined (Table 2), although this species possesses alternative antioxidant mechanisms, such as the Asa-GSH cycle, an important AOS-scavenging pathway (Bailly et al., 2001; De Tullio and Arrigoni, 2003; Garnczarska and Wojtyla, 2008).”
Active oxygen species and antioxidants in seed biology (2004, methodology): “…during seed desiccation seems to be common to seeds of other species, such as Vicia faba (Arrigoni et al., 1992) and Triticum durum (De Gara et al., 2003), as already mentioned by De Tullio and Arrigoni (2003), suggesting that the ascorbate system is probably not involved in desiccation tolerance.”
Desiccation tolerant plants as model systems to study redox regulation of protein thiols (2010, background): “Dry seeds also contain active DHAR to reduce DHA and provide AsA whilst biosynthesis is upregulated during the intitial stages of rehydration (De Tullio and Arrigoni 2003; Tommasi et al. 1999).”
Unifying perspectives of some mechanisms basic to desiccation tolerance across life forms (2006, background): “In contrast, the desiccation-tolerant condition was characterized by high activity of CAT and GR, and low SOD and APX activity. de Tullio and Arrigoni (2003) are of the opinion that neither ascorbate nor APX are essential for the desiccation phase, and furthermore, that the presence of ascorbate…”