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Literature summary for 3.2.1.153 extracted from

  • Gasperl, A.; Morvan-Bertrand, A.; Prudhomme, M.P.; van der Graaff, E.; Roitsch, T.
    Exogenous classic phytohormones have limited regulatory effects on fructan and primary carbohydrate metabolism in perennial ryegrass (Lolium perenne L.) (2015), Front. Plant Sci., 6, 1251 .
    View publication on PubMedView publication on EuropePMC
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Cloned(Commentary)

Cloned (Comment) Organism
gene 1-FEHa, quantitative RT-PCR expression analysis Lolium perenne

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ activates Lolium perenne

Organism

Organism UniProt Comment Textmining
Lolium perenne Q108T5 genotype Aberchoice
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Synonyms

Synonyms Comment Organism
1-FEH
-
 Lolium perenne
1-FEHa
-
 Lolium perenne
fructan 1-exohydrolase
-
 Lolium perenne
Lp1-FEH
-
 Lolium perenne

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
 assay at Lolium perenne

Expression

Organism Comment Expression
Lolium perenne expression of FEHs following phytohormone treatments, overview. Expression levels of the enzymes involved in fructan breakdown, are determined following pulse treatments with abscisic acid (ABA), auxin (AUX), ethylene (ET), gibberellic acid (GA), or kinetin (KIN) reveals a minor is effect evident for 1-FEH activity with an increased activity in response to KIN and a decrease by GA. LpFEH expression levels are increased 48 h following ET treatment, but this increase is significant only for Lp6-FEH additional information

General Information

General Information Comment Organism
metabolism model for fructan and primary carbohydrate metabolism in sink cells of perennial ryegrass, overview Lolium perenne
physiological function fructans are polymers of fructose and one of the main constituents of water-soluble carbohydrates in forage grasses and cereal crops of temperate climates. Fructans are involved in cold and drought resistance, regrowth following defoliation and early spring growth, seed filling, they have beneficial effects on human health and are used for industrial processes. Fructan metabolism is under the control of both synthesis by fructosyltransferases (FTs)and breakdown through fructan exohydrolases (FEHs). The accumulation of fructans can be triggered by high sucrose levels and abiotic stress conditions such as drought and cold stress. The activities of enzymes involved in fructan synthesis and breakdown, the expression levels for the corresponding genes and levels for water-soluble carbohydrates are determined following pulse treatments with abscisic acid (ABA), auxin (AUX), ethylene (ET), gibberellic acid (GA), or kinetin (KIN) Lolium perenne