Article (Scientific journals)
Biosynthesis of 5-aminolevulinic acid via the Shemin pathway in a green sugar beet callus
Bisbis, B.; Billard, J. P.; Huault, C. et al.
1997In Biologia Plantarum, 40 (4), p. 493-497
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Keywords :
Beta vulgaris; Heterotrophy
Abstract :
[en] 5-Aminolevulinic acid synthase (ALAS) has been detected in a normal (auxin- and cytokinin-dependent) green sugar beet callus under light and under darkness. ALAS activity was lower when the callus was grown under light. The supply of precursors of the Shemin pathway (glycine and succinate) to dark-grown callus enhanced considerably the capacity of the 5-aminolevulinic acid (ALA) formation. Glutamate, γ-aminobutyrate or α-ketoglutarate also increased ALA accumulation. Such an accumulation was also obtained after inhibition of polyamine synthesis. The results show that glutamate or its derivatives might feed the Shemin pathway in conditions preventing glutamate to be used through the Beale pathway.
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Bisbis, B.;  Hormonologie Fondamentale/Appliquee, Institut de Botanique B 22, Sart Tilman, B-4000 Liege, Belgium
Billard, J. P.;  Hormonologie Fondamentale/Appliquee, Institut de Botanique B 22, Sart Tilman, B-4000 Liege, Belgium
Huault, C.;  Hormonologie Fondamentale/Appliquee, Institut de Botanique B 22, Sart Tilman, B-4000 Liege, Belgium
Kevers, Claire ;  Université de Liège > Département des sciences de la vie > Département des sciences de la vie
Le Dily, F.;  Hormonologie Fondamentale/Appliquee, Institut de Botanique B 22, Sart Tilman, B-4000 Liege, Belgium
Gaspar, T.;  Hormonologie Fondamentale/Appliquee, Institut de Botanique B 22, Sart Tilman, B-4000 Liege, Belgium
Language :
English
Title :
Biosynthesis of 5-aminolevulinic acid via the Shemin pathway in a green sugar beet callus
Publication date :
1997
Journal title :
Biologia Plantarum
ISSN :
0006-3134
eISSN :
1573-8264
Publisher :
Academy of Sciences of the Czech Republic. Institute of Experimental Botany, Praha, Czechia
Volume :
40
Issue :
4
Pages :
493-497
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 July 2015

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