Abstract
Interactions among nutrients have been widely recognized in plants and play important roles in crop growth and yield formation. However, the interplay of Cu and N in rice plants is not yet clear. In this study, rice plants were grown with different combinations of Cu and N supply. The effects of Cu-N interaction on the growth, yield production, Cu and N transport, and gene expression levels were analyzed. The results showed that the effect of N supply on rice growth and yield formation was more pronounced than that of Cu supply. The Cu supply significantly improved the uptake of N (by 9.52–30.64%), while the N supply significantly promoted the root-to-shoot translocation of Cu (by 27.28–38.45%) and distributed more Cu (1.85–19.16%) into the shoots and leaves. The results of qRT-PCR showed that +Cu significantly up-regulated the expression levels of both NO3− and NH4+ transporter genes OsNRTs and OsAMTs, including OsNRT1.1B, OsNRT2.1, OsNRT2.3a, OsNRT2.4, OsAMT1.2, OsAMT1.3, and OsAMT3.1. Meanwhile, +N significantly up-regulated the expression levels of Cu transporter genes OsHMA5 and OsYSL16. In addition, the supply of Cu up-regulated the expression levels of OsGS1;2, OsGS2, and OsNADH-GOGAT to 12.61-, 6.48-, and 6.05-fold, respectively. In conclusion, our study demonstrates a synergistic effect between Cu and N in rice plants. It is expected that our results would be helpful to optimize the application of N and Cu fertilizers in agriculture.
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Claims 9
Claim · model-written summary
Nitrogen supply had a more pronounced effect on rice growth and yield than copper supply.
- Taxon
- rice
Oryza sativae0 - Treatment
- N supplye0
- Outcome
- rice growth and yield formatione0
- Direction
- more pronouncede0
- Comparator
- Cu supplye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effect of N supply on rice growth and yield formation was more pronounced than that of Cu supply.”
Claim · model-written summary
Copper supply increased nitrogen uptake by 9.52–30.64%.
- Taxon
- RiceOryza sativat0
- Treatment
- Cu supplye0
- Outcome
- uptake of Ne0
- Direction
- improvede0
- Value
- 9.52–30.64%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Cu supply significantly improved the uptake of N (by 9.52–30.64%)”
t0“Rice Plant”
Claim · model-written summary
Nitrogen supply increased root to shoot copper translocation by 27.28–38.45%.
- Taxon
- RiceOryza sativat0
- Treatment
- N supplye0
- Outcome
- root-to-shoot translocation of Cue0
- Direction
- promotede0
- Value
- 27.28–38.45%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the N supply significantly promoted the root-to-shoot translocation of Cu (by 27.28–38.45%)”
t0“Rice Plant”
Claim · model-written summary
Nitrogen supply distributed 1.85–19.16% more copper into shoots and leaves.
- Taxon
- RiceOryza sativat0
- Treatment
- N supplye0
- Outcome
- distributed more Cue0
- Direction
- moree0
- Value
- 1.85–19.16%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the N supply significantly promoted the root-to-shoot translocation of Cu (by 27.28–38.45%) and distributed more Cu (1.85–19.16%) into the shoots and leaves.”
t0“Rice Plant”
Claim · model-written summary
Copper supply upregulated nitrate and ammonium transporter genes.
- Taxon
- RiceOryza sativat0
- Treatment
- +Cue0
- Outcome
- expression levels of both NO3− and NH4+ transporter genese0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“+Cu significantly up-regulated the expression levels of both NO3− and NH4+ transporter genes OsNRTs and OsAMTs, including OsNRT1.1B, OsNRT2.1, OsNRT2.3a, OsNRT2.4, OsAMT1.2, OsAMT1.3, and OsAMT3.1.”
t0“Rice Plant”
Claim · model-written summary
Nitrogen supply upregulated OsHMA5 and OsYSL16 copper transporter genes.
- Taxon
- RiceOryza sativat0
- Treatment
- +Ne0
- Outcome
- expression levels of Cu transporter genes OsHMA5 and OsYSL16e0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“+N significantly up-regulated the expression levels of Cu transporter genes OsHMA5 and OsYSL16.”
t0“Rice Plant”
Claim · model-written summary
Copper supply raised OsGS1;2 expression 12.61-fold.
- Taxon
- RiceOryza sativat0
- Treatment
- supply of Cue0
- Outcome
- expression levels of OsGS1;2e0
- Direction
- up-regulatede0
- Value
- 12.61-e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the supply of Cu up-regulated the expression levels of OsGS1;2, OsGS2, and OsNADH-GOGAT to 12.61-, 6.48-, and 6.05-fold, respectively.”
t0“Rice Plant”
Claim · model-written summary
Copper supply raised OsGS2 expression 6.48-fold.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the supply of Cu up-regulated the expression levels of OsGS1;2, OsGS2, and OsNADH-GOGAT to 12.61-, 6.48-, and 6.05-fold, respectively.”
t0“Rice Plant”
Claim · model-written summary
Copper supply raised OsNADH-GOGAT expression 6.05-fold.
- Taxon
- RiceOryza sativat0
- Treatment
- supply of Cue0
- Outcome
- OsNADH-GOGATe0
- Direction
- up-regulatede0
- Value
- 6.05-folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the supply of Cu up-regulated the expression levels of OsGS1;2, OsGS2, and OsNADH-GOGAT to 12.61-, 6.48-, and 6.05-fold, respectively.”
t0“Rice Plant”
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