On the role of ethylene, auxin and a GOLVEN-like peptide hormone in the regulation of peach ripening.

ABSTRACT:

Background

In melting flesh peaches, auxin is necessary for system-2 ethylene synthesis and a cross-talk between ethylene and auxin occurs during the ripening process. To elucidate this interaction at the transition from maturation to ripening and the accompanying switch from system-1 to system-2 ethylene biosynthesis, fruits of melting flesh and stony hard genotypes, the latter unable to produce system-2 ethylene because of insufficient amount of auxin at ripening, were treated with auxin, ethylene and with 1-methylcyclopropene (1-MCP), known to block ethylene receptors. The effects of the treatments on the different genotypes were monitored by hormone quantifications and transcription profiling.

Results

In melting flesh fruit, 1-MCP responses differed according to the ripe

SUBMITTER: Tadiello A 

PROVIDER: S-EPMC4750175 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature