Soluble, membrane and wall peroxidases, phenylalanine ammonia-lyase, and lignin changes in relation to vitrification of carnation tissues cultured in vitro

Kevers, Claire; Gaspar, Thomas

doi:10.1016/S0176-1617(85)80163-2

Article (Scientific journals)

Soluble, membrane and wall peroxidases, phenylalanine ammonia-lyase, and lignin changes in relation to vitrification of carnation tissues cultured in vitro

Kevers, Claire; Gaspar, Thomas

1985 • In Journal of Plant Physiology

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/191820

DOI
10.1016/S0176-1617(85)80163-2

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Keywords :

Dianthus caryophyllus; peroxidase; vegetative propagation; tissue culture; vitrification; lignification; hyperhydricity; phenylalanine ammonia-lyase

Abstract :

[en] Vitrification of carnation tissues by passage from solid to liquid medium was accompanied by decreased lignin content. The higher lignin level of normal tissues corresponded to a higher phenylalanine ammonia-lyase activity. It also paralleled a much higher activity of soluble and wall peroxidases towards syringaldazine. Kinetical analysis of soluble isoperoxidases indicated a two-step control of basic and acidic enzymes with a diminished activity of the latter in glassy plants. Compartment analysis of guaiacol peroxidases showed a different distribution in malformed tissues.

Disciplines :

Phytobiology (plant sciences, forestry, mycology...)

Author, co-author :

Kevers, Claire ; Université de Liège > Département des sciences de la vie > Département des sciences de la vie

Gaspar, Thomas; Université de Liège - ULiège

Language :

English

Title :

Soluble, membrane and wall peroxidases, phenylalanine ammonia-lyase, and lignin changes in relation to vitrification of carnation tissues cultured in vitro

Publication date :

1985

Journal title :

Journal of Plant Physiology

ISSN :

0176-1617

Publisher :

Urban & Fischer, Jena, Germany

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 21 January 2016

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