The role of malate in the synthesis of glutamate in Pisum arvense roots

The in vivo and in vitro activities of NADH-dependent glutamate synthase in excised Pisum arvense roots increased several-fold under the influence of malate while pyruvate oxaloacctate. citrate and succinate inhibited this entyme. The plastids isolated from Pisum arvense root,. ahen incubated with g...

Full description

Bibliographic Details
Main Author: Genowefa Kubik-Dorosz
Format: Article
Language:English
Published: Polish Botanical Society 2014-01-01
Series:Acta Societatis Botanicorum Poloniae
Subjects:
Online Access:https://pbsociety.org.pl/journals/index.php/asbp/article/view/3037
_version_ 1819047918172110848
author Genowefa Kubik-Dorosz
author_facet Genowefa Kubik-Dorosz
author_sort Genowefa Kubik-Dorosz
collection DOAJ
description The in vivo and in vitro activities of NADH-dependent glutamate synthase in excised Pisum arvense roots increased several-fold under the influence of malate while pyruvate oxaloacctate. citrate and succinate inhibited this entyme. The plastids isolated from Pisum arvense root,. ahen incubated with glutamine and α-ketoglutarate, released glutamate into the medium Malate clearly stimulated this process. Albizziin (25 mM) completely reduced the presence of glutamate in the incubation mixture. These results indicate that reduced pyridine nucleotides arising in P. arvense root plastids during oxidation of malic acid may constitute the indispensable source of electrons for glutamic acid synthesis.
first_indexed 2024-12-21T11:07:59Z
format Article
id doaj.art-2d26747f84804655b48b6ef0927469bf
institution Directory Open Access Journal
issn 2083-9480
language English
last_indexed 2024-12-21T11:07:59Z
publishDate 2014-01-01
publisher Polish Botanical Society
record_format Article
series Acta Societatis Botanicorum Poloniae
spelling doaj.art-2d26747f84804655b48b6ef0927469bf2022-12-21T19:06:10ZengPolish Botanical SocietyActa Societatis Botanicorum Poloniae2083-94802014-01-0155461161910.5586/asbp.1986.0502515The role of malate in the synthesis of glutamate in Pisum arvense rootsGenowefa Kubik-Dorosz0Wrocław UniversityThe in vivo and in vitro activities of NADH-dependent glutamate synthase in excised Pisum arvense roots increased several-fold under the influence of malate while pyruvate oxaloacctate. citrate and succinate inhibited this entyme. The plastids isolated from Pisum arvense root,. ahen incubated with glutamine and α-ketoglutarate, released glutamate into the medium Malate clearly stimulated this process. Albizziin (25 mM) completely reduced the presence of glutamate in the incubation mixture. These results indicate that reduced pyridine nucleotides arising in P. arvense root plastids during oxidation of malic acid may constitute the indispensable source of electrons for glutamic acid synthesis.https://pbsociety.org.pl/journals/index.php/asbp/article/view/3037rootsNADH-glutamatesynthasemalate
spellingShingle Genowefa Kubik-Dorosz
The role of malate in the synthesis of glutamate in Pisum arvense roots
Acta Societatis Botanicorum Poloniae
roots
NADH-glutamate
synthase
malate
title The role of malate in the synthesis of glutamate in Pisum arvense roots
title_full The role of malate in the synthesis of glutamate in Pisum arvense roots
title_fullStr The role of malate in the synthesis of glutamate in Pisum arvense roots
title_full_unstemmed The role of malate in the synthesis of glutamate in Pisum arvense roots
title_short The role of malate in the synthesis of glutamate in Pisum arvense roots
title_sort role of malate in the synthesis of glutamate in pisum arvense roots
topic roots
NADH-glutamate
synthase
malate
url https://pbsociety.org.pl/journals/index.php/asbp/article/view/3037
work_keys_str_mv AT genowefakubikdorosz theroleofmalateinthesynthesisofglutamateinpisumarvenseroots
AT genowefakubikdorosz roleofmalateinthesynthesisofglutamateinpisumarvenseroots