Transgenic solutions to increase yield and stability in wheat: shining hope or flash in the pan?
Araus Ortega, José Luis
Serret Molins, M. Dolors
Lopes, Marta S.
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Second-generation transgenic crops have the potential to transform agriculture, but progress has been limited, and particularly so in wheat where no transgenic cultivar has yet been approved. Taking on the challenge, González et al. (2019) report that transgenic wheat lines carrying a mutated version of the sunflower transcription factor (HaHB4), belonging to the homeodomain-leucine zipper family (HD-Zip I), had increased yield and water use efficiency across a range of environments, with particular benefits under stress. It is an important step forward in an area where progress is urgently needed, though it is too early to claim that transgenic wheat will form the backbone of a second Green Revolution.
Is part ofJournal of Experimental Botany, 2019, vol. 70, núm. 5, p. 1419–1424
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