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Selectable genetic markers for plants are not always in the form of herbicide resistance. For instance, researchers at China's Agricultural University were able to express the rstB gene in tobacco, which confers upon the plant greater tolerance to salt concentration. <i>Zhang et al.</i> was able to achieve approximately 80% selection efficiency using salt concentrations at 170mM, proving remarkable success in using a selectable genetic marker other than herbicide resistance<cite>Zhang2008</cite>. | Selectable genetic markers for plants are not always in the form of herbicide resistance. For instance, researchers at China's Agricultural University were able to express the rstB gene in tobacco, which confers upon the plant greater tolerance to salt concentration. <i>Zhang et al.</i> was able to achieve approximately 80% selection efficiency using salt concentrations at 170mM, proving remarkable success in using a selectable genetic marker other than herbicide resistance<cite>Zhang2008</cite>. | ||
==TO ADD: Auxotrophic== | ===TO ADD: Auxotrophic=== | ||
===Other=== | ===Other=== |
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