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Literature summary extracted from

  • Gu, J.; Shao, Y.; Zhang, C.; Liu, Z.; Zhang, Y.
    Characterization of putative soluble and membrane-bound trehalases in a hemipteran insect, Nilaparvata lugens (2009), J. Insect Physiol., 55, 997-1002.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.2.1.28 DNA and amino acid sequence determination, analysis, and comparisons Nilaparvata lugens

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.28 membrane NlTre2, contains a putative transmembrane domain Nilaparvata lugens 16020
-
3.2.1.28 additional information NlTre-1 contains trehalase signature motifs Nilaparvata lugens
-
-
3.2.1.28 additional information NlTre-2 contains trehalase signature motifs Nilaparvata lugens
-
-
3.2.1.28 soluble NlTre1, the soluble trehalase isozyme accounts for the majority of total trehalase activity Nilaparvata lugens
-
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.28 trehalose + H2O Nilaparvata lugens
-
2 D-glucose
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.28 Nilaparvata lugens C0LZJ6 NlTre-1; brown planthopper, gene NlTre-1 encoding the soluble isozyme
-
3.2.1.28 Nilaparvata lugens C0LZJ7 NlTre-2; brown planthopper, gene NlTre-2 encoding the membrane-bound isozyme
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.28 additional information activity and gene mRNA level at different developmental stages, expression pattern, overview Nilaparvata lugens
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.28 12.2
-
membrane-bound isozyme Nilaparvata lugens
3.2.1.28 39.4
-
soluble isozyme Nilaparvata lugens

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.28 trehalose + H2O
-
Nilaparvata lugens 2 D-glucose
-
?

Synonyms

EC Number Synonyms Comment Organism
3.2.1.28 trehalase
-
Nilaparvata lugens

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.28 37
-
assay at Nilaparvata lugens

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.28 7.4
-
assay at Nilaparvata lugens

Expression

EC Number Organism Comment Expression
3.2.1.28 Nilaparvata lugens no induction by 20-hydroxyecdysone of the membrane-bound trehalase isozyme encoded by gene NlTre2 additional information
3.2.1.28 Nilaparvata lugens 20-hydroxyecdysone induces the soluble trehalase isozyme encoded by gene NlTre1 up

General Information

EC Number General Information Comment Organism
3.2.1.28 physiological function the enzyme trehalase is involved in energy metabolism and controlling trehalose, the main blood sugar of insects, levels in cells Nilaparvata lugens