| Title: | Phenotypic profiling and gene expression analyses for aromatic and volatile compounds in Chamoes (Cucumis melo) |
| Author(s): | Lee J; Kim MK; Hwang SH; Kim J; Ahn JM; Min SR; Park SU; Lim SS; Kim H; |
| Address: | "Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahangno, Yuseong-gu, Daejeon, 305-806, Korea" |
| DOI: | 10.1007/s11033-014-3211-9 |
| ISSN/ISBN: | 1573-4978 (Electronic) 0301-4851 (Linking) |
| 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" |
| Keywords: | "Cucumis melo/*genetics/*metabolism *Gene Expression Regulation, Plant Metabolic Networks and Pathways Metabolome Metabolomics/methods *Phenotype Volatile Organic Compounds/chemistry/*metabolism;" |
| Notes: | "MedlineLee, Jeongyeo Kim, Min Keun Hwang, Seung Hwan Kim, Jungeun Ahn, Jong Moon Min, Sung Ran Park, Sang Un Lim, Soon Sung Kim, HyeRan eng Research Support, Non-U.S. Gov't Netherlands 2014/02/12 Mol Biol Rep. 2014 May; 41(5):3487-97. doi: 10.1007/s11033-014-3211-9. Epub 2014 Feb 11" |
