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Home >> Plant Biotechnology and Genomics >> Gene Transfer Methods in Plants >>Selectable Marker Genes in Vectors Used for Gene Transfer

Selectable Marker Genes in Vectors used for Gene Transfer.

Selectable marker gene

Substrate used for selection

I. Antibiotics.

1. Neomycin phosphotransferase (npt ll)

G4I8, kanamycin, neomycin

2. Hygromycin phosphotransferase (hpt)

Hygromycin B

3. Dihydrofoate reductase (dhfr)

Methotrexate trimethoprim

4. Gene ble (enzyme not known)

Bleomycin

5. Gentamycin acetyltransferase

Gentamycin

6. Streptomycin phosphotransferase

Streptomycin

II. Herbicides

7. Mutant form of acetoiactate synthase (als)

Chlorosulfuron imidazolinones

8. Bromoxynil nitrilase

Bromoxynil

9. Phosphinothricin acetyl transferase (bar)

L -phosphinothricin (PPT; also known as bialaphos)

10. 5- enolpyruvyishikimate -3 -phosphate (EPSP) synthase (aro A)

Glyphosate (Roundup)

III. Others

II. Phosphomannose isomerase (pmi)

Mannose


 

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