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Biochemical and Biophysical Research Communications 2015-Aug

Genome-wide transcriptome profiling reveals novel insights into Luffa cylindrica browning.

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой
Нэвтрэх / Бүртгүүлэх
Холбоосыг санах ойд хадгалдаг
Xia Chen
Taiming Tan
Changcheng Xu
Shuping Huang
Jie Tan
Min Zhang
Chunli Wang
Conghua Xie

Түлхүүр үгс

Хураангуй

Luffa cylindrica (sponge gourd) is one of the most popular vegetables in China. Production and consumption of L. cylindrica are limited due to postharvest browning; however, little is known about the genetic regulation of the browning process. In the present study, transcriptome profiles of L. cylindrica cultivars, YLB05 (browning resistant) and XTR05 (browning sensitive), were analyzed using next-generation sequencing to clarify the genes and mechanisms associated with browning. A total of 9.1 Gb of valid data including 116,703 unigenes (>200 bp) were obtained and 39,473 sequences were annotated by alignment against five public databases. Of these, there were 27,407 genes assigned to 747 Gene Ontology functional categories; and 12,350 genes were annotated with 25 Eukaryotic Orthologous Groups (KOG) categories with 343 KOG functional terms. Additionally, by searching against the Kyoto Encyclopedia of Genes and Genomes database, 8689 unigenes were mapped to 189 pathways. Furthermore, there were 24,556 sequences found to be differentially regulated, including 4344 annotated unigenes. Several genes potentially associated with phenolic oxidation, carbohydrate and hormone metabolism were found differentially regulated between the cultivars of different browning sensitivities. Our results suggest that elements involved in enzymatic processes and other pathways might be responsible for L. cylindrica browning. The present study provides a comprehensive transcriptome sequence resource, which will facilitate further studies on gene discovery and exploiting the fruit browning mechanism of L. cylindrica.

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