Evidence map›Paper›PMID 25657118›Full record

ArticlePlant molecular biology2015

A combinatorial bidirectional and bicistronic approach for coordinated multi-gene expression in corn.

Sandeep Kumar, Diaa AlAbed, John T Whitteck, Wei Chen, Sara Bennett, Andrew Asberry, Xiujuan Wang, Daniel DeSloover, Murugesan Rangasamy, Terry R Wright and 1 more

Abstract read
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Article in Plant molecular biology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
–field-weighted citation impact
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

20 citing papers in PubMed.

  1. Article
  2. Review
  3. From Structure to Function of Promoters and 5'UTRs in Maize.International journal of molecular sciences · 2026
    Review
  4. Article
  5. Review
  6. Review
  7. Review
  8. Synthetic polycistronic sequences in eukaryotes.Synthetic and systems biotechnology · 2021
    Review
  9. Review
  10. Article
  11. TinkeringInternational journal of molecular sciences · 2020
    Article
  12. Article
  13. Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. 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

11 authors.

Sandeep KumarDow AgroSciences LLC, 9330 Zionsville Road, Indianapolis, IN, 46268, USA, Skumar9@dow.com.
Diaa AlAbed
John T Whitteck
Wei Chen
Sara Bennett
Andrew Asberry
Xiujuan Wang
Daniel DeSloover
Murugesan Rangasamy
Terry R Wright
Manju Gupta

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Transgene stacking in trait development process through genetic engineering is becoming complex with increased number of desired traits and multiple modes of action for each trait. We demonstrate here a novel gene stacking strategy by combining bidirectional promoter (BDP) and bicistronic approaches to drive coordinated expression of multi-genes in corn. A unidirectional promoter, Ubiquitin-1 (ZMUbi1), from Zea mays was first converted into a synthetic BDP, such that a single promoter can direct the expression of two genes from each end of the promoter. The BDP system was then combined with a bicistronic organization of genes at both ends of the promoter by using a Thosea asigna virus 2A auto-cleaving domain. With this gene stacking configuration, we have successfully obtained expression in transgenic corn of four transgenes; three transgenes conferring insect (cry34Ab1 and cry35Ab1) and herbicide (aad1) resistance, and a phiyfp reporter gene using a single ZMUbi1 bidirectional promoter. Gene expression analyses of transgenic corn plants confirmed better coordinated expression of the four genes compared to constructs driving each gene by independent unidirectional ZmUbi1 promoter. To our knowledge, this is the first report that demonstrates application of a single promoter for co-regulation of multiple genes in a crop plant. This stacking technology would be useful for engineering metabolic pathways both for basic and applied research.

Indexed as

Gene Expression Regulation, PlantGenes, PlantPromoter Regions, GeneticZea mays

Identifiers

What OpenQuestion holds

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Registered trials

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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.