Rejuvenation of Sequoia sempervirens in vitro: Changes in isoesterases and isoperoxidases

Rejuvenation, as evidenced by restored rooting competence, of Sequoia sempervirens by a series of repeated grafting of adult shoot tips onto juvenile rootstocks in vitro was confirmed. Complete restoration of rooting competence was achieved after grafting repeatedly five times. The rejuvenation was...

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Bibliographic Details
Published in:Plant and cell physiology 1996-01, Vol.37 (1), p.77-80
Main Authors: Huang, H.J. (Academia Sinica, Taipei (Taiwan)), Chen, Y, Kuo, J.L, Kuo, T.T, Tzeng, C.C, Huang, B.L, Chen, C.M, Huang, L.C
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
BOIS DE JEUNESSE
CULTIVO IN VITRO
CULTURE IN VITRO
DIFERENCIAS BIOLOGICAS
DIFFERENCE BIOLOGIQUE
Economic plant physiology
ESTERASAS
ESTERASE
Fundamental and applied biological sciences. Psychology
In vitro culture
ISOENZIMAS
ISOENZYME
Isoesterases
Isoperoxidases
MADERA JOVEN
PEROXIDASAS
PEROXYDASE
Phase reversal
Plant physiology and development
REGENERACION VEGETAL
Rejuvenation
RESTAURATION COUVERTURE VEGETALE
SEQUOIA SEMPERVIRENS
Shoot culture
Shoot-tip grafting
Tissue cultures, protoplasts
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Summary:Rejuvenation, as evidenced by restored rooting competence, of Sequoia sempervirens by a series of repeated grafting of adult shoot tips onto juvenile rootstocks in vitro was confirmed. Complete restoration of rooting competence was achieved after grafting repeatedly five times. The rejuvenation was correlated with a disappearance of adult-associated esterase and peroxidase isozymes and an appearance of isoesterases and isoperoxidases that were characteristic of juvenile-phase shoots. These esterase and peroxidase isozymes could serve as markers to assist phase change investigations
ISSN:0032-0781
1471-9053
DOI:10.1093/oxfordjournals.pcp.a028916