By Bart J. Janssen and colleagues. BMC Plant Biology 8, article 16 (17 February 2008); DOI doi.org/10.1186/1471-2229-8-16
Background distinguishes the expanding core (ovary) from the cortex (hypanthium). Results, Microarray analysis of apple fruit development: eight time points, approximately 13000 genes, and two biological replicates; four major temporal expression patterns associated with floral buds, cell division, mid-development and ripening.