The SUMO E3 ligase MdSIZ1 promotes anthocyanin accumulation by sumoylating MdMYB1 under adverse temp

来源 :1st International Apple Symposium (第一届世界苹果大会) | 被引量 : 0次 | 上传用户:scottwong522
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MYB1 is an important transcriptional factor that regulates anthocyanin biosynthesis in red-skinned apples (Malus domestica), but little is known about its posttranslational regulation.Here, we show that MdMYB 1 interacts with MdSIZ1 as a SUMO E3 ligase in vitro and in vivo.MdMYB1 was efficiently sumoylated by MdSIZ1 under adverse temperature conditions, and this sumoylation was required for MdMYB 1 protein stability.
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