2009
DOI: 10.1016/j.scienta.2008.07.010
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Biochemical markers of morphogenesis in long term horseradish (Armoracia lapathifolia Gilib.) tissue culture

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Cited by 6 publications
(4 citation statements)
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“…In this study, in some treatments, the culture medium composition affected PO, PAL, and PPO activities, rhizogenesis and precocity. Differences in PO activity have also been observed in Kalmia latifolia cultured in different media, a result attributed to variations in the NH 4 NO 3 The higher PAL activity peaks observed on day 3 in noninduced pink lapacho shoots treated with low concentrations of IBA could be due to the stress of in vitro initiation culture because PAL activates some pathways of electron scavenger molecules, such as flavonoid and anthocyanins (Balen et al 2009). Some studies have described that auxin is involved in adaptive responses to biotic and abiotic stress (Wang et al 2009) and could explain the decrease in PAL activity observed in pink lapacho shoots treated with higher IBA concentrations.…”
Section: Discussionmentioning
confidence: 98%
“…In this study, in some treatments, the culture medium composition affected PO, PAL, and PPO activities, rhizogenesis and precocity. Differences in PO activity have also been observed in Kalmia latifolia cultured in different media, a result attributed to variations in the NH 4 NO 3 The higher PAL activity peaks observed on day 3 in noninduced pink lapacho shoots treated with low concentrations of IBA could be due to the stress of in vitro initiation culture because PAL activates some pathways of electron scavenger molecules, such as flavonoid and anthocyanins (Balen et al 2009). Some studies have described that auxin is involved in adaptive responses to biotic and abiotic stress (Wang et al 2009) and could explain the decrease in PAL activity observed in pink lapacho shoots treated with higher IBA concentrations.…”
Section: Discussionmentioning
confidence: 98%
“…Data obtained by mass spectrometry analysis identified one of the proteins from the group 1 as a typical horseradish peroxidase (HRP), which is in accordance with the highest peroxidase activity measured in this tissue. 20 In its native form, HRP is a glycoprotein with nine potential N-glycosylation sites and a carbohydrate content of approximately 20 % of the total mass. The dominant oligosaccharide present on HRP is a trimannosyl N-glycan with β(1,2)-linked Xyl and α(1,3)-linked Fuc core modifications typically found in plants, but many other N-glycan structures of the general formula Man2-7GlcNAc2-3Fuc0-1Xyl0-1 have been detected in minor amounts.…”
Section: Discussionmentioning
confidence: 99%
“…Horseradish plantlets were maintained during the long term (16 years) in vitro culture. 20 Leaf explants of these plantlets were infected with Agrobacterium tumefaciens to induce crown-gall tumors. Obtained transformed tissue grew either as an unorganized tumor (TN) or as a teratogenous tumor, namely teratoma (TM).…”
Section: Introductionmentioning
confidence: 99%
“…More peroxidase isoforms were observed after the initiation of morphogenesis in comparison to control explants. Like esterases, peroxidases have also been reported as markers of somatic embryogenesis [18,19] or morphogenesis and tumorization [20].…”
Section: Introductionmentioning
confidence: 99%