Engineering of enhanced glycine betaine synthesis improves drought tolerance in maize.

@article{Quan2004EngineeringOE,
  title={Engineering of enhanced glycine betaine synthesis improves drought tolerance in maize.},
  author={Ruidang Quan and Mei Shang and Hui Zhang and Yanxiu Zhao and Juren Zhang},
  journal={Plant biotechnology journal},
  year={2004},
  volume={2 6},
  pages={477-86}
}
Glycine betaine plays an important role in some plants, including maize, in conditions of abiotic stress, but different maize varieties vary in their capacity to accumulate glycine betaine. An elite maize inbred line DH4866 was transformed with the betA gene from Escherichia coli encoding choline dehydrogenase (EC 1.1.99.1), a key enzyme in the biosynthesis of glycine betaine from choline. The transgenic maize plants accumulated higher levels of glycine betaine and were more tolerant to drought… CONTINUE READING

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