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Article

COPT4 interacts with COPT1 or COPT3 to manipulate the signaling response for copper-triggered immunity in Arabidopsis.

The New phytologist - 1 May 2026

Xia Haoran, Yu Yue, Chen Zhenfei, Liu Haifeng, Wang Tao, Huang Wenchao, Chu Zhaohui

Abstract excerpt

Copper transporters (COPTs) and chaperones (CCs) regulate root Cu+ transport and homeostasis. Basic helix-loop-helix107 (bHLH107)-mediated ACC synthesis 8 (ACS8) activation is crucial for Cu+-triggered immunity (CuTI) in Arabidopsis leaves. Here, we aimed to identify the components of COPTs and CCs and elucidate their roles in CuTI. Six copt mutants were screened for Cu+-mediated resistance to Pst DC3000 and ACS8...

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PMID: 41772342
DOI: 10.1111/nph.71043

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 8 Sept 2026.

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