Claim · model-written summary
C4 Amaranthus cells did not have higher PEP carboxylase activity than the C3 species.
- Taxon
- Amaranthus
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Amaranthuse0 - Outcome
- PEP carboxylase activitye0
- Direction
- no highere0
- Comparator
- C(3) speciese0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e0“with no higher activity in the C(4)Amaranthus cells compared with PEP carboxylase activity in the C(3) species assayed.”
Title
Photosynthetic Characterization of Photoautotrophic Cells Cultured in a Minimal Medium
Cindy S. Goldstein; Jack M. Widholm PLANT PHYSIOLOGY 1990. doi:10.1104/pp.94.4.1641
Other claims from this paper (7)
- Observation Total Rubisco activity ranged from 85 to 266 micromoles CO(2) fixed per milligram chlorophyll hour(-1).
- Observation Rubisco activation ranged from 16 to 53%.
- Intervention effect Protease inhibitors in homogenization buffer did not raise Rubisco activity.
- Observation PEP carboxylase activity ranged from 16 to 146 micromoles CO(2) per milligram chlorophyll hour(-1).
- Observation Rubisco-to-PEP carboxylase ratios ranged from 2.2 to 1 to 9.4 to 1.
- Observation Chlorophyll content increased in all lines except Nicotiana.
- Observation All photoautotrophic lines except SB-P grew in vitamin-free medium.