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Literature DB >> 24186104

Chlorsulfuron resistance in Daucus carota cell lines and plants:Involvement of gene amplification.

S Caretto¹, M C Giardina, C Nicolodi, D Mariotti.

Abstract

Daucus carota L. cell lines stably resistant to the herbicide chlorsulfuron (CS) have been isolated according to a stepwise selection. Studies carried out during different selection steps show that the specific activity of the target enzyme acetohydroxyacid synthase (AHAS) increases along with CS resistance. Southern hybridization analysis performed with aBrassica napus AHAS probe in a CS highly-resistant cell line reveals the presence of a greatly amplifiedEcoRI fragment of genomic DNA. This indicates that AHAS overproduction induced by stepwise selection is due to gene amplification. Regenerants from some resistant cell lines maintained the CS-resistant trait at the whole plant level.

Entities: Chemical Species

Year: 1994 PMID： 24186104 DOI： 10.1007/BF01240912

Source DB: PubMed Journal: Theor Appl Genet ISSN： 0040-5752 Impact factor: 5.699

13 in total

Chlorsulfuron resistance in Daucus carota cell lines and plants:Involvement of gene amplification.

1. Cell-specific expression of the carrot EP2 lipid transfer protein gene.

2. Isolation, structure and expression of a cDNA for acetolactate synthase from Brassica napus.

3. Acetolactate synthase is the site of action of two sulfonylurea herbicides in higher plants.

4. Restriction fragment length polymorphism (RFLP) of wild perennial relatives of soybean.

5. Nutrient requirements of suspension cultures of soybean root cells.

6. Herbicide-resistant alfalfa cells: an example of gene amplification in plants.

7. Herbicide Resistance in Datura innoxia: Cross-Resistance of Sulfonylurea-Resistant Cell Lines to Imidazolinones.

8. Site of action of chlorsulfuron: inhibition of valine and isoleucine biosynthesis in plants.

9. Engineering herbicide tolerance in transgenic plants.

10. Herbicide-resistant mutants from tobacco cell cultures.

1. The cost of herbicide resistance in white-chicory: ecological implications for its commercial release.

2. Fitness costs linked to dinitroaniline resistance mutation in Setaria.

3. Length of time in tissue culture can affect the selected glyphosate resistance mechanism.

4. Inheritance and mechanism of resistance to herbicides inhibiting acetolactate synthase in Sonchus oleraceus L.