Abstract
The response of leaf photosynthetic organelle to low CO 2 concentration (150~180μl/L) treatment was analyzed using common cultivar wheat. The result showed that carbon assimilation rate increased significantly after treatment for 24h, carbonic anhydrase(CA) activity and messaphyll conductance also rose at the same time. The above mentioned change happened mainly in first 24 h after treatment. Actidione treatment inhibited the increase of CA activity and oxygen evolution rate, which exhibited that there existed synthesis of protein in this process. CA special inhibitor acetazolamide also led to the same result, so it was concluded that the increase of CA activity was the main reason for rising of photosynthetic rate . The relationship among low CO 2 concentration inducement, photosynthetic rate of leaves at lower position and high yield was also discussed.
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Claims 7
Claim · model-written summary
Low CO2 increased carbon assimilation rate significantly after 24h.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- low CO 2 concentratione1
- Outcome
- carbon assimilation ratee0
- Direction
- increasede0
- Qualifier
- 24he0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbon assimilation rate increased significantly after treatment for 24h”
t0“Wheat Leaf”
e1“The response of leaf photosynthetic organelle to low CO 2 concentration (150~180μl/L) treatment was analyzed using common cultivar wheat.”
Claim · model-written summary
Low CO2 raised carbonic anhydrase activity after 24h.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- low CO 2 concentratione1
- Outcome
- carbonic anhydrase(CA) activitye0
- Direction
- rosee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbonic anhydrase(CA) activity and messaphyll conductance also rose at the same time”
t0“Wheat Leaf”
e1“The response of leaf photosynthetic organelle to low CO 2 concentration (150~180μl/L) treatment was analyzed using common cultivar wheat.”
Claim · model-written summary
Low CO2 raised mesophyll conductance after 24h.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- low CO 2 concentratione1
- Outcome
- messaphyll conductancee0
- Direction
- rosee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbonic anhydrase(CA) activity and messaphyll conductance also rose at the same time”
t0“Wheat Leaf”
e1“The response of leaf photosynthetic organelle to low CO 2 concentration (150~180μl/L) treatment was analyzed using common cultivar wheat.”
Claim · model-written summary
Actidione inhibited the increase in CA activity.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Actidione treatmente0
- Outcome
- CA activitye0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Actidione treatment inhibited the increase of CA activity and oxygen evolution rate”
t0“Wheat Leaf”
Claim · model-written summary
Actidione inhibited oxygen evolution rate.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Actidione treatmente0
- Outcome
- oxygen evolution ratee0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Actidione treatment inhibited the increase of CA activity and oxygen evolution rate”
t0“Wheat Leaf”
Claim · model-written summary
Acetazolamide produced the same inhibition as actidione.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- acetazolamidee0
- Outcome
- same resulte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CA special inhibitor acetazolamide also led to the same result”
t0“Wheat Leaf”
Claim · model-written summary
Authors concluded that increased CA activity caused increased photosynthetic rate.
- Taxon
- wheatTriticum aestivumt0
- Gene
- CAe0
- Outcome
- photosynthetic ratee0
- Qualifier
- increase of CA activitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the increase of CA activity was the main reason for rising of photosynthetic rate”
t0“Wheat Leaf”
The same questions in other papers
co2 · physiology: photosynthesis · Triticum aestivum (wheat)Positive and negative results
68 papers in the same direction as this paper · 28 in the opposite direction
- negative
- negative
- no effect
93 papers more in this group
See all 97 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.