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Literature summary for 2.7.1.182 extracted from

  • Spicher, L.; Almeida, J.; Gutbrod, K.; Pipitone, R.; Doermann, P.; Glauser, G.; Rossi, M.; Kessler, F.
    Essential role for phytol kinase and tocopherol in tolerance to combined light and temperature stress in tomato (2017), J. Exp. Bot., 68, 5845-5856 .
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
gene VTE5, quantitative PCR enzyme expression analysis in wild-type and mutant plants Solanum lycopersicum

Protein Variants

Protein Variants Comment Organism
additional information generation of an RNAi line (vte5) from cv. Micro-Tom with a downregulation of 76% in under control conditions and reduced levels of alpha-tocopherol. Mutant vte5 has plastoquinone levels similar to those of the wild-type under combined stress, the strong phenotype can be attributed to the lack of alpha-tocopherol. Mutant vte5 plants accumulate free phytol in the leaf. Phenotype, overview Solanum lycopersicum

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required Solanum lycopersicum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
CTP + phytol Solanum lycopersicum
-
CDP + phytyl phosphate
-
?

Organism

Organism UniProt Comment Textmining
Solanum lycopersicum A0A3Q7FJ72 cv. MT, Lycopersicon esculentum
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Solanum lycopersicum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
CTP + phytol
-
Solanum lycopersicum CDP + phytyl phosphate
-
?

Synonyms

Synonyms Comment Organism
SlVTE5
-
Solanum lycopersicum
VTE
-
Solanum lycopersicum

Cofactor

Cofactor Comment Organism Structure
CTP
-
Solanum lycopersicum

General Information

General Information Comment Organism
malfunction silenced mutant vte5 suffers strong photoinhibition and photobleaching when exposed to combined high-light and high-temperature stress, but neither stress alone produces a visible phenotype. Mutant vte5 has plastoquinone levels similar to those of the wild-type under combined stress, the strong phenotype can be attributed to the lack of alpha-tocopherol. Mutant vte5 plants accumulate free phytol in the leaf Solanum lycopersicum
physiological function essential role for phytol kinase and tocopherol in tolerance to combined light and temperature stress in tomato. Phytol kinase VTE5 acts in the biosynthetic pathway of tocopherols. VTE5 protects against combined high-light and high-temperature stress and does so by supporting alpha-tocopherol production Solanum lycopersicum