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Transcriptomic And Physiological Characterization Of The Fefe Mutant Of Melon (Cucumis Melo) Reveals New Aspects Of Iron-Copper Crosstalk, Brian M. Waters, Samuel A. Mcinturf, Keenan Amundsen
Transcriptomic And Physiological Characterization Of The Fefe Mutant Of Melon (Cucumis Melo) Reveals New Aspects Of Iron-Copper Crosstalk, Brian M. Waters, Samuel A. Mcinturf, Keenan Amundsen
Department of Agronomy and Horticulture: Faculty Publications
Iron (Fe) and copper (Cu) homeostasis are tightly linked across biology. In previous work, Fe deficiency interacted with Cu-regulated genes and stimulated Cu accumulation. The C940-fe (fefe) Fe-uptake mutant of melon (Cucumis melo) was characterized, and the fefe mutant was used to test whether Cu deficiency could stimulate Fe uptake. Wild-type and fefe mutant transcriptomes were determined by RNA-seq under Fe and Cu deficiency. FeFe-regulated genes included core Fe uptake, metal homeostasis, and transcription factor genes. Numerous genes were regulated by both Fe and Cu. The fefe mutant was rescued by high Fe or by …