1.6.5.4: monodehydroascorbate reductase (NADH)

This is an abbreviated version!
For detailed information about monodehydroascorbate reductase (NADH), go to the full flat file.

Word Map on EC 1.6.5.4

Reaction

NADH
+
H+
+ 2 monodehydroascorbate =
NAD+
+ 2 ascorbate

Synonyms

AFR reductase, AFR-reductase, ascorbate free radical reductase, ascorbate free-radical reductase, ascorbic free radical reductase, At3g09940, AtMDAR1, defensin, MDA, MDA reductase, MDAR, MDAR-OX, MDAR2, MDAR5, MDAsA reductase (NADPH), MDHA, MDHAR, MDHAR1, MDHAR2, MDHAR3, MDHAR6, metallothionein-like type 1 protein, monodehydroascorbate radical reductase, monodehydroascorbate reductase, monodehydroascorbate reductase 2, monodehydroascorbate reductase 4, More, MT-2, MT1K, NADH-semidehydroascorbate oxidoreductase, NADH:AFR oxidoreductase, NADH:ascorbate radical oxidoreductase, NADH:semidehydroascorbic acid oxidoreductase, NEC3, Nectarin III, Os09g0567300, peroxisomal monodehydroascorbate reductase, PpMDHAR1, PpMDHAR2, PpMDHAR3, SDA reductase, semidehydroascorbate reductase, SOR, SPD1, thioredoxin H2, Trx h2

ECTree

     1 Oxidoreductases
         1.6 Acting on NADH or NADPH
             1.6.5 With a quinone or similar compound as acceptor
                1.6.5.4 monodehydroascorbate reductase (NADH)

Expression

Expression on EC 1.6.5.4 - monodehydroascorbate reductase (NADH)

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EXPRESSION
ORGANISM
UNIPROT
LITERATURE
ascorbate, the MDAR2 (At3g09940) and the dehydroascorbate reductase 5 (DHAR5, At1g19570) mRNA levels are upregulated in Arabidopsis roots colonized by the beneficial endophytic fungus Piriformosporaindica
exposure to 0.4 mM aluminium decreases the activity of MDAR
-
expression can be induced by exogenous hormones, such as abscisic acid, methyl jasmonate and ethylene. MDHAR4 is sharply down-regulated at 12 and 18 hours post inoculation only in wheat leaves challenged with Puccinia striiformis f. sp. tritici race CYR23 and induced at 48 hours post inoculation with both races CYR23 and CYR31
-
MDAR expression (mRNA, protein, and enzyme activity levels) increase upon treatment with 150 mM NaCl
-
MDAR is inducible after exposure to 200 mM NaCl
MDHAR transcripts and enzyme activities are significantly up-regulated in the leaves of acerola under cold (4°C for 24 h) and salt (treatment with 150 mM NaCl over 9 days) stress conditions. MDHAR activity increases gradually and significantly as ripening progresses,with overripe fruits having the highest activity
MDHAR4 is sharply down-regulated at 12 and 18 hours post inoculation only in wheat leaves challenged with Puccinia striiformis f. sp. tritici race CYR23 and induced at 48 hours post inoculation with both races CYR23 and CYR31
-
the MDHAR expression level is decreased firstly and then increased, the maximum level is observed after treatment for 12 h with 200 mM NaCl or 20% PEG6000, overview. The stressful treatment accelerates degradation of mRNA at the early stage, then with the duration of treatment the plants respond to the stress and the synthesis of MDHAR increases to protect the plant from stressful damage
transcript level increases with drought and salt stress. UV stress elicits a temporal expression of MDAR activity
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