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Literature summary for 1.14.15.21 extracted from

  • Vallabhaneni, R.; Wurtzel, E.T.
    Timing and biosynthetic potential for carotenoid accumulation in genetically diverse germplasm of maize (2009), Plant Physiol., 150, 562-572.
    View publication on PubMedView publication on EuropePMC

Organism

Organism UniProt Comment Textmining
Zea mays
-
maize B73 inbred line
-

Source Tissue

Source Tissue Comment Organism Textmining
embryo
-
Zea mays
-
endosperm developing endosperm Zea mays
-
leaf
-
Zea mays
-
plant ovule unfertilized ovule Zea mays
-
root
-
Zea mays
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
antheraxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2
-
Zea mays violaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
-
ir
zeaxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2
-
Zea mays antheraxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
-
ir

Synonyms

Synonyms Comment Organism
zeaxanthin epoxidase
-
Zea mays
ZEP
-
Zea mays
ZEP1 two ZEP genes are found in maize compared with only one in rice and sorghum Zea mays
ZEP2 two ZEP genes are found in maize compared with only one in rice and sorghum Zea mays

Expression

Organism Comment Expression
Zea mays transcript level of ZEP2 of Zea mays increases in developing endosperm within 14 days after pollination and decreases afterwards, transcript level of ZEP1 of Zea mays remains low during developement of endosperm additional information
Zea mays transcript levels of ZEP1 and ZEP2 of Zea mays are highest in leaves, lower in roots and unfertilized ovules and lowest in endosperm and plant embryos additional information
Zea mays ZEP1 and ZEP2 of Zea mays transcript levels at 20 days after pollination show inverse correlation with seed zeaxanthin levels additional information