IRON MAN interacts with Cu‐DEFICIENCY INDUCED TRANSCRIPTION FACTOR 1 to maintain copper homeostasis
Yuerong Cai,
Huaqian Ping,
Junhui Zhao
et al.
Abstract:Summary
Copper (Cu) is essential for plant growth and development. IRON MAN (IMA) is a family of small peptides that can bind both iron (Fe) and Cu ions. It was reported that IMAs mediate Fe homeostasis in Arabidopsis thaliana. However, it remains unclear whether IMAs are involved in Cu homeostasis.
The transcript abundance of IMA genes decreased in response to Cu deficiency. The combined disruption of all IMA genes caused enhanced tolerance to Cu deficiency and resulted in an increase in the transcript abunda… Show more
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