Article
A rare allele of TabZIP45-4B enhances wheat adaptation to low nitrogen growth conditions.
Plant communications - 8 Jun 2026
Huang Zhixiong, Wang Yazhou, Wang Hui, Shen Chuncai, Chang Guowei, Li Wenjing, Hu Mengyun, Li Hui, Zhang Yijing, Teng Wan, Zhao Xueqiang, Zhou Longxi, Zhang Kang, Gao Caixia, He Xue, Tong Yiping
Abstract excerpt
This study reports the identification of a rare allele of TabZIP45-4B (TabZIP45-4Bpnd1) that confers tolerance to nitrogen starvation. Knockout of TabZIP45-4B increases spike number and grain yield per plant in wheat under nitrogen-starvation conditions by downregulating TaDWARF4. Introgression of TabZIP45-4Bpnd1 into a modern commercial cultivar improves multiple agronomic traits with minimal nitrogen input.
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