Temporal characterization of 2-phenylethanol in strongly and weakly scented genotypes of damask rose.

ABSTRACT: The molecular and physiological properties of 2-phenylethanol (2-PE) in the strongly scented genotype (SSG) and a weakly scented genotype (WSG) of damask rose at six floral developmental stages were investigated. The chemical compositions of volatile emissions were determined by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) analysis of the floral headspace. In both genotypes, the relative percentage of 2-PE increased more in SSG than WSG, as flowers developed. In the petals of damask rose the relative transcript levels of phenyl acetaldehyde reductase (PAR) were higher at stages 3 and 4 in SSG and WSG, respectively. Also, the expression pattern of PAR indicated a significant difference between two genotypes during flower developmental stages. In this study, enzym

SUBMITTER: Karami A 

PROVIDER: S-EPMC4312323 | biostudies-literature | 2015 Jan

REPOSITORIES: biostudies-literature