2004
DOI: 10.1139/b04-126
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Changes in polyamine contents and arginine decarboxylase activity associated with elongation growth of hypocotyls inRhizophora apiculataBl.

Abstract: Changes in polyamine (putrescine, spermidine, spermine) contents and arginine decarboxylase activity in three different regions of developing hypocotyls of Rhizophora apiculata Bl. were analyzed. Among the three polyamines, spermidine was present in higher quantities than either putrescine or spermine. Spermine occurred in the lowest quantities. Spermidine declined rapidly with the age of the hypocotyl. In contrast, a marked increase in putrescine was observed with the age of the hypocotyl. Arginine decarboxyl… Show more

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Cited by 2 publications
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“…Most polyamine studies have focused on terrestrial plants (Bezold et al 2003;Liu et al 2004;Swamy et al 2004). Little is known about the role that polyamines play in aquatic plants with little research on whether exogenous polyamines play a protective role against heavy metal toxicity.…”
Section: Introductionmentioning
confidence: 99%
“…Most polyamine studies have focused on terrestrial plants (Bezold et al 2003;Liu et al 2004;Swamy et al 2004). Little is known about the role that polyamines play in aquatic plants with little research on whether exogenous polyamines play a protective role against heavy metal toxicity.…”
Section: Introductionmentioning
confidence: 99%
“…Additionally, the effects of exogenous PAs on heavy metal accumulation and nutrient uptake have not been examined in plants under heavy metal stress. Most existing PA studies focused on terrestrial plants (Bezold et al, 2003;Liu et al, 2004;Swamy et al, 2004), so little is known about the roles PAs play in aquatic plants. To address these issues, we chose Nymphoides peltatum, a floating plant, as the experimental material to investigate whether different forms of PAs confer protection against Cu toxicity in plant leaves.…”
Section: Introductionmentioning
confidence: 99%