NDLI: Organic amendments enhance Pb tolerance and accumulation during micropropagation of Daphne jasminea

Content Provider	Springer Nature Link
Author	Wiszniewska, Alina Muszyńska, Ewa Hanus Fajerska, Ewa Smoleń, Sylwester Dziurka, Michał Dziurka, Kinga
Copyright Year	2016
Abstract	The study investigated the effects of organic amendments: pineapple pulp (PP) and agar hydrolyzate (AH), on micropropagation and Pb bioaccumulation and tolerance in a woody shrub Daphne jasminea cultured in vitro. The amendments were analyzed for their content of carbohydrates, phenolic acids, and phytohormones and added at a dose of 10 mL L$^{−1}$ to the medium containing 1.0 mM lead nitrate. Micropropagation coefficient increased by 10.2–16.6 % in PP and AH variants, respectively. Growth tolerance index increased by 22.9–31.8 % for the shoots and by 60.1–82.4 % for the roots. In the absence of Pb, the additives inhibited multiplication and growth of microplantlets. PP and AH facilitated Pb accumulation in plant organs, especially in the roots. PP enhanced bioconcentration factor and AH improved Pb translocation to the shoots. Adaptation to Pb was associated with increased accumulation of phenolics and higher radical scavenging activity. Medium supplementation, particularly with AH, enhanced antiradical activity of Pb-adapted lines but reduced the content of phenolic compounds. The study results indicated that supplementation with organic amendments may be beneficial in in vitro selection against lead toxicity.
Starting Page	2421
Ending Page	2432
Page Count	12
File Format	PDF
ISSN	09441344
Journal	Environmental Science and Pollution Research
Volume Number	24
Issue Number	3
e-ISSN	16147499
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-11-05
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Antioxidant activity Biostimulation In vitro culture Lead adaptation Medium supplements Phenolic compounds Thymelaeaceae Environment Environmental Chemistry Ecotoxicology Environmental Health Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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