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Literature summary for 3.1.4.2 extracted from

  • Cheng, L.; Bucciarelli, B.; Liu, J.; Zinn, K.; Miller, S.; Patton-Vogt, J.; Allan, D.; Shen, J.; Vance, C.P.
    White lupin cluster root acclimation to phosphorus deficiency and root hair development involve unique glycerophosphodiester phosphodiesterases (2011), Plant Physiol., 156, 1131-1148.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 3.1.4.2

Cloned(Commentary)

Cloned (Comment) Organism
GPX-PDE1 and GPX-PDE2, DNA and amino acid sequence determination and analysis, phylogenetic tree, expression GST-tagged GPX-PDE2 Lupinus albus

Protein Variants

Protein Variants Comment Organism
additional information functional complementation of a DELTAgde1 yeast mutant with GPX-PDE2, buta with GPX-PDE1 Lupinus albus

Localization

Localization Comment Organism GeneOntology No. Textmining
cell wall abundance of GPX-PDE2 protein is substantially greater in cell wall extracts of Pi-deficient plants as compared with Pi-sufficient plants Lupinus albus 5618
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Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Lupinus albus GPX-PDE1 shows catalytic activity with glycerophosphocholine while GPX-PDE2 shows highest activity with glycerophosphoinositol ?
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 ?
sn-glycero-3-phosphocholine + H2O Lupinus albus
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 choline + sn-glycerol 3-phosphate
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 ?

Organism

Organism UniProt Comment Textmining
Lupinus albus
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-
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Source Tissue

Source Tissue Comment Organism Textmining
epidermal cell
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 Lupinus albus
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additional information GPX-PDE1 and GPX-PDE2 are highly expressed in phosphate-deficient cluster roots, particularly in root hairs, epidermal cells, and vascular bundles Lupinus albus
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root hair
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 Lupinus albus
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vascular bundle
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 Lupinus albus
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information GPX-PDE1 shows catalytic activity with glycerophosphocholine while GPX-PDE2 shows highest activity with glycerophosphoinositol Lupinus albus ?
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 ?
sn-glycero-3-phosphocholine + H2O
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 Lupinus albus choline + sn-glycerol 3-phosphate
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 ?

Subunits

Subunits Comment Organism
? x * 68000-72000, recombinant GPX-PDE2, SDS-PAGE Lupinus albus

Synonyms

Synonyms Comment Organism
glycerophosphodiester phosphodiesterase
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 Lupinus albus
GPX-PDE1
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 Lupinus albus
GPX-PDE2
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 Lupinus albus

Expression

Organism Comment Expression
Lupinus albus when plants are deprived of light by dark treatment for 24h, GPX-PDE1 transcripts in Pi-deficient roots are reversibly decreased by about 70% compared with under normal light/dark conditions. The expression level of GPX-PDE1 in leaf tissue is not affected down
Lupinus albus transcripts of GPX-PDE2 accumulated to about 15fold higher in photosynthate-deprived plants than normal light/dark plants, and the stimulation is displayed in both roots and leaves up

General Information

General Information Comment Organism
malfunction GPXPDE1 phosphate deficiency-induced expression is attenuated as photosynthate is deprived, while that of GPX-PDE2 is strikingly enhanced Lupinus albus
physiological function White lupin GPX-PDE1 and GPX-PDE2 are involved in the acclimation to Pi limitation by enhancing glycerophosphodiester degradation and mediating root hair development. Role for the two GPX-PDEs, GPX-PDE1 and GPX-PDE2, in root hair growth and development and in a phosphate stress-induced phospholipid degradation pathway in cluster roots Lupinus albus