Gene Details:

• Gene ID: MDP0000232324
• Gene Symbol: MdIPT5b
• Gene Name:
• Genome: Golden ASM211411v1
• Species: Malus domestica

Functional Descriptions:

• Group-C/S1 bZIP heterodimers regulate MdIPT5b to negatively modulate drought tolerance in apple species.
• This study showed that the ectopic expression of ProRE-deleted MdIPT5b, a key enzyme involved in cytokinin metabolism, increased the drought tolerance of transgenic Malus domestica (apple) callus and Solanum lycopersicum (tomato) seedlings by maintaining cytokinin homeostasis, and thus maintaining redox balance.
• A natural variation in the MdIPT5b promoter, one of the two orthologues of AtIPT5 in Malus domestica (apple), was found to exert a similar function to maintain cytokinins, which increased the salt tolerance of apple rootstocks.
• This study introduced an apple C/S1 bZIP network that directly suppressed the expression of MdIPT5b, thus negatively modulating drought tolerance and dark-induced senescence in a functionally redundant manner.

Function-related keywords:

• seedlings ,  senescence ,  drought ,  salt ,  tolerance ,  drought-tolerance ,  cytokinin ,  salt-tolerance ,  homeostasis ,  callus ,  redox-homeostasis

Literature:

• Natural variation in cytokinin maintenance improves salt tolerance in apple rootstocks.   DOI:  10.1111/pce.13403 ;  PMID:  29989184
• Group-C/S1 bZIP heterodimers regulate MdIPT5b to negatively modulate drought tolerance in apple species.   DOI:  10.1111/tpj.15296 ;  PMID:  33905154

Related News:

Gene Resources:

• NCBI ID:
• UniProt accessions:

Orthologs:

Sequences: