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Literature summary extracted from

  • Hong, Y.; Zheng, S.; Wang, X.
    Dual functions of phospholipase Dalpha1 in plant response to drought (2008), Mol. Plant, 1, 262-269.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.1.4.4 functional overexpression of isozyme PLDalpha1 in Nicotiana tabacum transgenic plants under the control of the 35S promoter Arabidopsis thaliana

Protein Variants

EC Number Protein Variants Comment Organism
3.1.4.4 additional information Nicotiana tabacum transgenic plants, overexpressing Arabidopsis thaliana isozyme PLDalpha1, display more susceptibility to drought than control plants, drought also induces an increase in PLDa1 activity. High level of PLDalpha1 activity is correlated to membrane degradation in late stages of drought, as demonstrated by ionic leakage and lipid peroxidation. Recombinant PLD2 promotes stomatal closure at earlier stages, but disrupts membranes in prolonged drought stress, phenotype, overview Arabidopsis thaliana

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.1.4.4 membrane
-
 Arabidopsis thaliana 16020
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.1.4.4 additional information Arabidopsis thaliana PLDalpha1 interacts with the Galpha1 subunit of the heterotrimeric G protein to inhibit stomatal opening ?
-
 ?
3.1.4.4 phosphatidylcholine + H2O Arabidopsis thaliana
-
 choline + phosphatidic acid
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.1.4.4 Arabidopsis thaliana
-
 isozyme PLDalpha1
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.4.4 guard cell isozyme PLDalpha1 is presented in guard cells in a much higher level than other PLDs in Arabidopsis thaliana Arabidopsis thaliana
-
3.1.4.4 leaf
-
 Arabidopsis thaliana
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.4.4 additional information PLDalpha1 interacts with the Galpha1 subunit of the heterotrimeric G protein to inhibit stomatal opening Arabidopsis thaliana ?
-
 ?
3.1.4.4 phosphatidylcholine + H2O
-
 Arabidopsis thaliana choline + phosphatidic acid
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.1.4.4 phospholipase Dalpha1
-
 Arabidopsis thaliana
3.1.4.4 PLDalpha1
-
 Arabidopsis thaliana

General Information

EC Number General Information Comment Organism
3.1.4.4 physiological function role of PLDalpha1 in promoting abscisic acid sensitivity and stomatal closure. PLDalpha1 and phosphatidic acid regulate stomatal closure via a bifurcating pathway and interacts with the Galpha1 subunit of the heterotrimeric G protein to inhibit stomatal opening. PLDalpha1-derived phosphatidic acid binds to ABI1, a protein phosphatase 2C, that functions as a negative regulator in the abscisic acid signaling pathway, overview Arabidopsis thaliana