Evidence map›Paper›PMID 24595619›Full record

ArticleProtoplasma2014

Pyramiding expression of maize genes encoding phosphoenolpyruvate carboxylase (PEPC) and pyruvate orthophosphate dikinase (PPDK) synergistically improve the photosynthetic characteristics of transgenic wheat.

HuiFang Zhang, WeiGang Xu, HuiWei Wang, Lin Hu, Yan Li, XueLi Qi, Lei Zhang, ChunXin Li, Xia Hua

Abstract read
PubMed Publisher
In one paragraph

Article in Protoplasma, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
1.9field-weighted citation impact, top 14% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 59 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Regulation of root growth and elongation in wheat.Frontiers in plant science · 2024
    Review
  5. Review
  6. Article
  7. Biotechnological Advances to Improve Abiotic Stress Tolerance in Crops.International journal of molecular sciences · 2022
    Review
  8. Article
  9. Article
  10. Differences in Physiological Responses of Two Oat (Plants (Basel, Switzerland) · 2020
    Article
  11. Recent developments and applications of genetic transformation and genome editing technologies in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020
    Review
  12. The Pyruvate-Phosphate Dikinase (CFrontiers in plant science · 2020
    Article
  13. Review
  14. Article
  15. Review
  16. Article
  17. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 2 institutions in 1 country.

HuiFang ZhangCollege of Agronomy, Henan Agricultural University, Zhengzhou, Henan, 450002, China.
WeiGang Xu
HuiWei Wang
Lin Hu
Yan Li
XueLi Qi
Lei Zhang
ChunXin Li
Xia Hua
Henan Academy of Agricultural Sciences · CNHenan Agricultural University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Using particle bombardment transformation, we introduced maize pepc cDNA encoding phosphoenolpyruvate carboxylase (PEPC) and ppdk cDNA encoding pyruvate orthophosphate dikinase (PPDK) into the C3 crop wheat to generate transgenic wheat lines carrying cDNA of pepc (PC lines), ppdk (PK lines) or both (PKC lines). The integration, transcription, and expression of the foreign genes were confirmed by Southern blot, Real-time quantitative reverse transcription PCR (Q-RT-PCR), and Western blot analysis. Q-RT-PCR results indicated that the average relative expression levels of pepc and ppdk in the PKC lines reached 10 and 4.6, respectively, compared to their expressions in untransformed plants (set to 1). The enzyme activities of PEPC and PPDK in the PKC lines were 4.3- and 2.1-fold higher, respectively, than in the untransformed control. The maximum daily net photosynthetic rates of the PKC, PC, and PK lines were enhanced by 26.4, 13.3, and 4.5%, respectively, whereas the diurnal accumulations of photosynthesis were 21.3, 13.9, and 6.9%, respectively, higher than in the control. The Fv/Fm of the transgenic plants decreased less than in the control under high temperature and high light conditions (2 weeks after anthesis), suggesting that the transgenic wheat transports more absorbed light energy into a photochemical reaction. The exogenous maize C4-specific pepc gene was more effective than ppdk at improving the photosynthetic performance and yield characteristics of transgenic wheat, while the two genes showed a synergistic effect when they were transformed into the same genetic background, because the PKC lines exhibited improved photosynthetic and physiological traits.

Indexed as

ChlorophyllCrops, AgriculturalGene ExpressionGene Expression Regulation, PlantPhosphoenolpyruvate CarboxylasePhotosynthesisPlants, Genetically ModifiedPyruvate, Orthophosphate DikinaseTransformation, GeneticTriticumZea maysChlorophyllPhosphoenolpyruvate CarboxylasePyruvate, Orthophosphate Dikinase

Identifiers

PMID24595619
OpenAlexW2170989635

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.