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Bioactivity of Scytonema hofmanni (Cyanobacteria) in Lilium alexandrae in vitro propagation Electron. J. Biotechnol.
Zaccaro,María Cristina; Kato,Adriana; Zulpa,Gloria; Storni,Mónica Magdalena; Steyerthal,Noemí; Lobasso,Karina; Stella,Ana María.
Cyanobacteria produces bioactive compounds including plant growth regulators. Naphthalene acetic acid (NAA), a toxic substance, is a synthetic plant regulator used in micropropagation. The aim of this work was to evaluate morphogenetic and antioxidant effects produced by intra and extracellular substances from Scytonema hofmanni (Cyanobacteria) during the multiplication in vitro of Lilium alexandrae and to compare them to those produced by NAA. Intra and extracellular cyanobacterial products increased a) bulblets production reaching 83% and 78% of NAA effect, respectively; b) the bulblet diameter compared to NAA; and c) the bulblet survival due to the promotion of antioxidant activity measured as catalase, ascorbate peroxidase, and glutathione reductase...
Tipo: Journal article Palavras-chave: Ascorbate peroxidase; Bioactive substances; Bulb regeneration; Catalase; Cyanobacteria; Glutathione reductase; Lilium alexandrae; Scytonema hofmanni.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000300007
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