Claim · model-written summary
Nitrate reductase formation ability and polyribosome levels correlated with in vitro amino acid incorporation into protein.
- Taxon
- Corn
Zea mays subsp. mayst0 - Organ / stage
- isolated ribosome preparationse0
- Outcome
- ability of leaves to form nitrate reductase activity and the level of polyribosomese0
- Direction
- correlatede0
Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The ability of leaves to form nitrate reductase activity and the level of polyribosomes also correlated with the level of in vitro incorporation of amino acids into protein by the isolated ribosome preparations.”
t0“Corn Leaves”
Title
Light-induced Development of Polyribosomes and the Induction of Nitrate Reductase in Corn Leaves
R. L. Travis; R. C. Huffaker; Joe L. Key PLANT PHYSIOLOGY 1970. doi:10.1104/pp.46.6.800
Other claims from this paper (12)
- Intervention effect Nitrate induced nitrate reductase activity in green corn leaves in light and darkness.
- Observation Nitrate reductase induction required oxygen in darkness but not in light.
- Observation Etiolated corn leaves required light before enzyme induction.
- Association Nitrate reductase induction capacity correlated positively with cytoplasmic polyribosome levels.
- Observation Light-grown leaves had 84% polyribosomes and high induced nitrate reductase activity.
- Intervention effect Dark anaerobic transfer rapidly decreased polyribosomes and nitrate reductase formation ability in light-grown leaves.
- Intervention effect Under anaerobic conditions, light maintained high polyribosome and nitrate reductase formation levels.
- Association After dark nitrogen exposure, nitrate reductase formation again correlated with reformed polyribosome levels following return to light.
- Observation Etiolated leaves had 27% cytoplasmic polyribosomes.
- Observation After light exposure, nitrate reductase induction in etiolated leaves had a 2 to 4 hour lag.
- Observation Polyribosome levels markedly increased during the induction lag.
- Mechanism Photosynthetic phosphorylation can maintain cytoplasmic polyribosomes under anaerobic conditions.