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Literature summary for 2.7.7.1 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
Search for more literature for 2.7.7.1

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
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-
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Source Tissue

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

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

Synonyms

Synonyms Comment Organism
nicotinate/nicotinamide mononucleotide adenyltransferase
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 Arabidopsis thaliana
NMNAT
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 Arabidopsis thaliana

General Information

General Information Comment Organism
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
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