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Literature summary for 3.1.4.4 extracted from
- The effect of phospholipase Dalpha3 on Arabidopsis response to hyperosmotic stress and glucose (2008), Plant Signal. Behav., 3, 1099-1100.
Protein Variants
| Protein Variants | Comment | Organism |
|---|---|---|
| additional information | PLDalpha3-knockout plants are less tolerant to salt stress than wild-type plants. In addition, under water deficit conditions, PLDalpha3-KO plants flower later, whereas PLDalpha3-overexpressing plants flower earlier than wild-type plants. PLDalpha3-KO seeds and seedlings are less sensitive to glucose, whereas overexpression of PLDalpha3 enhances glucose sensitivity compared to the wild-type | Arabidopsis thaliana |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| phosphatidylcholine + H2O | Arabidopsis thaliana | - |
choline + phosphatidic acid | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Arabidopsis thaliana | - |
isozyme PLDalpha3 | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | isozyme PLDalpha3 hydrolyzes multiple substrates with distinguishable preferences | Arabidopsis thaliana | ? | - |
? | |
| phosphatidylcholine + H2O | - |
Arabidopsis thaliana | choline + phosphatidic acid | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| phospholipase Dalpha3 | - |
Arabidopsis thaliana |
| PLD | - |
Arabidopsis thaliana |
| PLDalpha3 | - |
Arabidopsis thaliana |
General Information
| General Information | Comment | Organism |
|---|---|---|
| physiological function | isozyme PLDalpha3 plays a positive role in hyperosmotic stress through a mechanism different from that for PLDalpha1, which mediates the effect of abscisic acid on stomatal movements. PLDalpha3 enhances root growth and accelerates flowering time under hyperosmotic stress. Alterations of PLDalpha3 activity affect the level of phosphatidic acid, and of transcripts of TOR and AGC2.1, of ABA-responsive genes, and of phosphorylated S6K protein under hyperosmotic stress, overview. PLDalpha3 may be involved in the crosstalk among glucose sensing, abscisic acid response, and S6K activation to regulate growth and development | Arabidopsis thaliana |
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