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Literature summary extracted from

  • Hashida, S.N.; Itami, T.; Takahashi, H.; Takahara, K.; Nagano, M.; Kawai-Yamada, M.; Shoji, K.; Goto, F.; Yoshihara, T.; Uchimiya, H.
    Nicotinate/nicotinamide mononucleotide adenyltransferase-mediated regulation of NAD biosynthesis protects guard cells from reactive oxygen species in ABA-mediated stomatal movement in Arabidopsis (2010), J. Exp. Bot., 61, 3813-3825.
    View publication on PubMed

Organism

EC Number Organism UniProt Comment Textmining
2.7.7.1 Arabidopsis thaliana
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.7.7.1 guard cell detected in the differentiated stomatal guard cells of the leaf surface Arabidopsis thaliana
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2.7.7.1 leaf
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 Arabidopsis thaliana
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Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.7.7.1 ATP + nicotinamide ribonucleotide
-
 Arabidopsis thaliana diphosphate + NAD+
-
 ?
2.7.7.1 ATP + nicotinate mononucleotide
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 Arabidopsis thaliana diphosphate + nicotinate adenine dinucleotide
-
 ?

Synonyms

EC Number Synonyms Comment Organism
2.7.7.1 nicotinate/nicotinamide mononucleotide adenyltransferase
-
 Arabidopsis thaliana
2.7.7.1 NMNAT
-
 Arabidopsis thaliana

General Information

EC Number General Information Comment Organism
2.7.7.1 malfunction absisic acid-induced oxidative stress causes stomatal cell death in a nicotinamide mononucleotide adenyltransferase mutant. Stomata partially lose their ability to close leading to drought susceptibility and the stomata are less responsive to opening cues Arabidopsis thaliana
2.7.7.1 physiological function the enzyme is essential for the maintenance of NAD homeostasis enabling sustainable stomatal movement. The enzyme is responsible for tolerance to stressful signalling in guard cells during stomatal closure Arabidopsis thaliana