Abstract
The development of extractable peroxidase activity in the mustard seedling is controlled by phytochrome (P fr ; operationally: Continuous far-red light) in an organ specific manner (enhancement in the cotyledons and taproot, inhibition in the hypocotyl; Tables I, II). Detailed kinetics of peroxidase accumulation in the cotyledons (Figs. 2, 3) reveal the existance of a two-step induction mechanism: 1. Formation of a stable transmitter during a period of competence to P fr (“determination phase“), and 2. development of peroxidase activity mediated by the transmitter during a later period of competence to the transmitter (“realization phase“). These two periods of seedling development are completely separated in time.
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Claims 6
Claim · model-written summary
Continuous far-red light enhanced peroxidase activity in cotyledons.
- Taxon
- Sinapis alba L.
Sinapis albat0 - Organ / stage
- cotyledonse0
- Treatment
- Continuous far-red lighte0
- Outcome
- peroxidase activitye1
- Direction
- enhancemente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Continuous far-red light) in an organ specific manner (enhancement in the cotyledons and taproot, inhibition in the hypocotyl”
e1“development of extractable peroxidase activity”
t0“Sinapis alba L.”
Claim · model-written summary
Continuous far-red light enhanced peroxidase activity in taproot.
- Taxon
- Sinapis alba L.Sinapis albat0
- Organ / stage
- taproote0
- Treatment
- Continuous far-red lighte0
- Outcome
- peroxidase activitye1
- Direction
- enhancemente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Continuous far-red light) in an organ specific manner (enhancement in the cotyledons and taproot, inhibition in the hypocotyl”
e1“development of extractable peroxidase activity”
t0“Sinapis alba L.”
Claim · model-written summary
Continuous far-red light inhibited peroxidase activity in hypocotyl.
- Taxon
- Sinapis alba L.Sinapis albat0
- Organ / stage
- hypocotyle0
- Treatment
- Continuous far-red lighte0
- Outcome
- peroxidase activitye1
- Direction
- inhibitione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Continuous far-red light) in an organ specific manner (enhancement in the cotyledons and taproot, inhibition in the hypocotyl”
e1“development of extractable peroxidase activity”
t0“Sinapis alba L.”
Claim · model-written summary
Cotyledon peroxidase induction had a determination phase producing a stable transmitter.
- Taxon
- Sinapis alba L.Sinapis albat0
- Organ / stage
- cotyledonse1
- Outcome
- peroxidase accumulatione1
- Qualifier
- Formation of a stable transmitter during a period of competence to P fre0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Formation of a stable transmitter during a period of competence to P fr (“determination phase“)”
e1“peroxidase accumulation in the cotyledons”
t0“Sinapis alba L.”
Claim · model-written summary
A later realization phase mediated development of cotyledon peroxidase activity.
- Taxon
- Sinapis alba L.Sinapis albat0
- Outcome
- development of peroxidase activitye0
- Qualifier
- mediated by the transmitter during a later period of competence to the transmittere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“development of peroxidase activity mediated by the transmitter during a later period of competence to the transmitter (“realization phase“)”
t0“Sinapis alba L.”
Claim · model-written summary
The two developmental periods were completely separated in time.
- Taxon
- Sinapis alba L.Sinapis albat0
- Outcome
- two periods of seedling development are completely separated in timee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These two periods of seedling development are completely separated in time”
t0“Sinapis alba L.”