Reference : Peroxidase activity, ethylene production, lignification and growth limitation in shoo...
Scientific journals : Article
Life sciences : Phytobiology (plant sciences, forestry, mycology...)
http://hdl.handle.net/2268/3456
Peroxidase activity, ethylene production, lignification and growth limitation in shoots of a nonrooting mutant of tobacco
English
Faivre-Rampant, Odile [Université de Liège - ULg > > > > Hormonologie Végétale > >]
Kevers, Claire mailto [Université de Liège - ULg > Département des sciences de la vie > Biologie moléculaire et biotechnologie végétales >]
Bellini, Catherine [INRA Versaille > > > > Biologie Cellulaire > >]
Gaspar, Thomas mailto [> > Botanique, radiobotanique & serres expér. >]
1998
Plant Physiology & Biochemistry
Elsevier Science
36
12
873-877
Yes (verified by ORBi)
International
0981-9428
Amsterdam
The Netherlands
[en] lignification ; peroxidase ; rooting ; tobacco mutant ; ethylene
[en] The rooting recalcitrant rac Nicotiana tabacum cv Xanthi mutant has been multiplied in vitro under the form of shoots in parallel to wild-type. rac Shoots grew at a lower rate and did not root whatever the treatments when compared to those of wild-type shoots. They were characterized by a higher lignin level, a higher total specific peroxidase activity with higher activity of both acidic and basic isoperoxidases (although missing and supernumerary isoenzymes were observed), and higher ethylene production. These observations might be causally related to growth inhibitions as similar incidences have been noted in different stress-induced growth limitation, through cell wall rigidification and auxin catabolism. The relationship between these aspects and rooting recalcitrance remains to be explored. (C) Elsevier, Paris.
Researchers
http://hdl.handle.net/2268/3456
10.1016/S0981-9428(99)80005-9

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