Abstract
Nitrate reductase( NR) is the key enzyme of nitrogen metabolism. It is very useful for plant nutrition or getting fertilizer,and very useful for breeding of variety. The characteristics of NR activity response were tested by not only traditional adding NO-3into the non-N cultures but also adding NO-3into different forms of N cultures. The NR activities in Capsicum annuum,Beassica pekinensis,Raphanus sativus,Zea mays,Brassica campestris were increased significantly by adding NO-3into the non-N cultures,and the NR activity was zero in the control of Capsicum annuum.Whatever or not adding NO-3into the non-N cultures,the NR activities were zero in Lycopersicon esculintum and were high in Triticum aestivum,but no difference was found between control and treatment. The NR activities of Lycopersicon esculintum and Triticum aestivum were increased significantly by adding NO-3into the NH+4-N cultures. Whatever in the NH+4-N cultures and NO-3-N cultures,NR activities could be tested in the control of Capsicum annuum and Triticum aestivum,and the NR activities were zero in the control of Lycopersicon esculintum. The results mentioned above indicated that the response of NR activities was significant different among plant species to either adding NO-3or different form of N cultures,which proved that the response of the NR activities were often characteristic of the species. These results would be most instructive in agricultural practice. Moreover,such experiment would improve the interesting of students in the process of the science researches and scientific exploration,which would be helpful for teaching reform.
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Claims 14
Claim · model-written summary
Adding nitrate significantly increased NR activity in Capsicum annuum
- Taxon
- Capsicum annuum
Capsicum annuume0 - Treatment
- adding NO-3into the non-N culturese0
- Outcome
- NR activitiese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The NR activities in Capsicum annuum,Beassica pekinensis,Raphanus sativus,Zea mays,Brassica campestris were increased significantly by adding NO-3into the non-N cultures,and the NR activity was zero in the control of Capsicum annuum.”
Claim · model-written summary
Adding nitrate significantly increased NR activity in Beassica pekinensis
- Taxon
- Beassica pekinensise0
- Treatment
- adding NO-3into the non-N culturese0
- Outcome
- NR activitiese0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“The NR activities in Capsicum annuum,Beassica pekinensis,Raphanus sativus,Zea mays,Brassica campestris were increased significantly by adding NO-3into the non-N cultures,and the NR activity was zero in the control of Capsicum annuum.”
Claim · model-written summary
Adding nitrate significantly increased NR activity in Raphanus sativus
- Taxon
- Raphanus sativus
Raphanus sativuse0 - Treatment
- adding NO-3into the non-N culturese0
- Outcome
- NR activitiese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The NR activities in Capsicum annuum,Beassica pekinensis,Raphanus sativus,Zea mays,Brassica campestris were increased significantly by adding NO-3into the non-N cultures,and the NR activity was zero in the control of Capsicum annuum.”
Claim · model-written summary
Adding nitrate significantly increased NR activity in Zea mays
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The NR activities in Capsicum annuum,Beassica pekinensis,Raphanus sativus,Zea mays,Brassica campestris were increased significantly by adding NO-3into the non-N cultures,and the NR activity was zero in the control of Capsicum annuum.”
Claim · model-written summary
Adding nitrate significantly increased NR activity in Brassica campestris
- Taxon
- Brassica campestris
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Brassica rapa subsp. oleiferae0 - Treatment
- adding NO-3into the non-N culturese0
- Outcome
- NR activitiese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The NR activities in Capsicum annuum,Beassica pekinensis,Raphanus sativus,Zea mays,Brassica campestris were increased significantly by adding NO-3into the non-N cultures,and the NR activity was zero in the control of Capsicum annuum.”
Claim · model-written summary
Control Capsicum annuum had zero NR activity
- Taxon
- Capsicum annuumCapsicum annuume0
- Outcome
- NR activitye0
- Value
- zeroe0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The NR activities in Capsicum annuum,Beassica pekinensis,Raphanus sativus,Zea mays,Brassica campestris were increased significantly by adding NO-3into the non-N cultures,and the NR activity was zero in the control of Capsicum annuum.”
Claim · model-written summary
Lycopersicon esculintum had zero NR activity regardless of nitrate addition
Verbatim
e0“Whatever or not adding NO-3into the non-N cultures,the NR activities were zero in Lycopersicon esculintum and were high in Triticum aestivum,but no difference was found between control and treatment.”
Claim · model-written summary
Triticum aestivum had high NR activity regardless of nitrate addition
- Taxon
- Triticum aestivum
Triticum aestivume0 - Treatment
- adding NO-3into the non-N culturese0
- Outcome
- NR activitiese0
- Direction
- no differencee0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Whatever or not adding NO-3into the non-N cultures,the NR activities were zero in Lycopersicon esculintum and were high in Triticum aestivum,but no difference was found between control and treatment.”
Claim · model-written summary
Nitrate significantly increased NR activity in ammonium culture of Lycopersicon esculintum
- Taxon
- Lycopersicon esculintume0
- Treatment
- adding NO-3into the NH+4-N culturese0
- Outcome
- NR activitiese0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“The NR activities of Lycopersicon esculintum and Triticum aestivum were increased significantly by adding NO-3into the NH+4-N cultures.”
Claim · model-written summary
Nitrate significantly increased NR activity in ammonium culture of Triticum aestivum
- Taxon
- Triticum aestivumTriticum aestivume0
- Treatment
- adding NO-3into the NH+4-N culturese0
- Outcome
- NR activitiese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The NR activities of Lycopersicon esculintum and Triticum aestivum were increased significantly by adding NO-3into the NH+4-N cultures.”
Claim · model-written summary
Control Capsicum annuum had detectable NR activity in both nitrogen cultures
- Taxon
- Capsicum annuumCapsicum annuume0
- Outcome
- NR activitiese0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Whatever in the NH+4-N cultures and NO-3-N cultures,NR activities could be tested in the control of Capsicum annuum and Triticum aestivum,and the NR activities were zero in the control of Lycopersicon esculintum.”
Claim · model-written summary
Control Triticum aestivum had detectable NR activity in both nitrogen cultures
- Taxon
- Triticum aestivumTriticum aestivume0
- Outcome
- NR activitiese0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Whatever in the NH+4-N cultures and NO-3-N cultures,NR activities could be tested in the control of Capsicum annuum and Triticum aestivum,and the NR activities were zero in the control of Lycopersicon esculintum.”
Claim · model-written summary
Control Lycopersicon esculintum had zero NR activity
Verbatim
e0“Whatever in the NH+4-N cultures and NO-3-N cultures,NR activities could be tested in the control of Capsicum annuum and Triticum aestivum,and the NR activities were zero in the control of Lycopersicon esculintum.”
Claim · model-written summary
Nitrate reductase responses differed significantly among plant species
Verbatim
e0“The results mentioned above indicated that the response of NR activities was significant different among plant species to either adding NO-3or different form of N cultures,which proved that the response of the NR activities were often characteristic of the species.”
The same questions in other papers
nitric oxide · physiology: enzyme activity · Triticum aestivum (wheat)Positive and negative results
1 in the opposite direction
- no effect
nitric oxide · physiology: enzyme activity · Zea mays (maize)Results agree
1 paper in the same direction as this paper
- positive
nitric oxide · physiology: enzyme activity · Brassica rapa (field mustard)Results agree
1 paper in the same direction as this paper
- positive
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.