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Title 

Phenotypic profiling and gene expression analyses for aromatic and volatile compounds in Chamoes (Cucumis melo)

Authors 

Jeongyeo LeeM K KimS H HwangJungeun KimJ M AhnSung Ran MinS U ParkS S LimHyeran Kim

Publisher 

Springer Verlag (Germany)

Issue Date 

2014

Citation 

Molecular Biology Reports, vol. 41, no. 5, pp. 3487-3497

Keywords 

Aromatic amino acidsChamoeCucumis meloShikimate pathwayVolatile aromatic compounds

Abstract 

Gotgam chamoe (GgC), a native oriental melon in Korea, is known to possess the aroma of a dried persimmon, an agronomic relevance for melon breeding program. The volatile compounds and the transcript levels of aromatic compound genes in cultivar (Ohbokggul chamoe [OC]) and GgC were profiled. A total of 62 volatile compounds were identified and quantified. Twenty-eight volatile compounds were specific to either the OC or the GgC. The amounts of volatile alcohol, saturated hydrocarbon, and unsaturated hydrocarbon compounds were 2.2, 2.7, and 1.1 times higher in OC, respectively. The amounts of ketone volatiles were 1.2 times higher in GgC, whereas the total amounts of esters were similar. In the shikimate pathway, transcriptional patterns with the fruit parts were different between the two chamoes for CmDAHPS, CmDHD/SDH, and CmEPSPS. The expression levels of all six genes investigated, especially CmCS, were highest in the peel of both chamoes compared to the other parts. The transcript levels of the aromatic amino acid biosynthesis genes demonstrate that phenylalanine and tyrosine are present more in edible parts of the chamoe, while tryptophan may be accumulated low in the chamoe. In addition, phenylalanine and tryptophan are synthesized more in GgC than the OC.

ISSN 

0301-4851

Link 

http://dx.doi.org/10.1007/s11033-014-3211-9

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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