Suppression of Arabidopsis RING-DUF1117 E3 ubiquitin ligases, AtRDUF1 and AtRDUF2, reduces tolerance to ABA-mediated drought stress.

Abstract excerpt

Among approximately 480 RING domain-containing E3 Ub ligases in Arabidopsis, three, At3g46620, At5g59550, and At2g39720, have a domain-of-unknown-function (DUF) 1117 motif in their C-terminal regions. At3g46620 and At5g59550 were identified as homologous ABA- and drought-induced RING-DUF1117 genes and were designated AtRDUF1 and AtRDUF2, respectively. Single and double knock-out mutations of AtRDUFs resulted in...

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