EC Number   |
General Information |
Reference |
|---|
   3.2.1.154 | evolution |
plant FEHs are classified into two types: 1-FEH (EC 3.2.1.153) and 6-FEH (EC 3.2.1.154), which hydrolyze a terminal of beta(2->1)-fructosyl linkage and beta(2->6)-fructosyl linkage, respectively |
754482 |
| 3.2.1.154 | evolution |
the enzyme's the catalytic triad is conserved among glycoside hydrolase family 32, GH32, members |
732665 |
| 3.2.1.154 | metabolism |
6-FEHs are key enzymes associated with perennity of forage species |
-, 732665 |
| 3.2.1.154 | metabolism |
model for fructan and primary carbohydrate metabolism in sink cells of perennial ryegrass, overview |
753709 |
| 3.2.1.154 | metabolism |
proposed model for the biosynthesis of fructooligosaccharides (FOSs) in Agave tequilana Weber Blue variety, overview |
755053 |
| 3.2.1.154 | metabolism |
regulation of the expression of FEH genes is a crucial factor for overwintering ability of fructan-accumulating cereals andgrasses. The regulation of the expression of FEH genes is a crucial factor for overwintering ability of fructan-accumulating cereals andgrasses. The coordinated expression of FEH genes in wheat is related to the regulation of water-soluble carbohydrate accumulation from autumn to early winter and fructan consumption under snow cover as well as energy supply. Wheat FEHs also play an important role in the varietal difference in freezing tolerance and snow mold resistance. Cooperative expression of 6-FEH and 1-FEH genes might be related to the seasonal changes and varietal difference in mono- and disaccharide contents |
754482 |
| 3.2.1.154 | physiological function |
absence of strong 6-FEH activity increases (on a fresh weight basis), especially in the lower parts, during the most critical period of the onset of fructan degradation and fructose accumulation under drought. The combined 1-FEH and 6-FEH activities are particularly important during the later stages in drought treated DH 338. FEH dynamics under drought may play a more essential role in var. DH 307 than in var. DH 338 |
753712 |
| 3.2.1.154 | physiological function |
fructan exohydrolase, FEH, gene plays a key role in fructan metabolism associated with wintering ability, especially for snow mold resistance |
754482 |
| 3.2.1.154 | physiological function |
fructan metabolism in Agave tequilana exhibits changes in fructan content, type, degree of polymerization (DP), and molecular structure, overview. Analysis of the specific activities of involved vacuolar fructan active enzymes (FAZY) in Agave tequilana plants of different age and the biosynthesis of fructooligosaccharides (FOSs). Fructan hydrolysis is carried out by FEH enzymes, that remove terminal fructosyl units from fructan chains, to fulfill a diverse set of functions in the plant, such as energy supply during plant growth, maintenance of the osmotic pressure in the vacuoles, and modulation of the oligofructans amounts under oxidative stress and freezing tolerance |
755053 |
| 3.2.1.154 | 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) |
753709 |
