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Transcriptome profiling provides new insights into the formation of floral scent in Hedychium coronarium

Overview of attention for article published in BMC Genomics, June 2015
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Title
Transcriptome profiling provides new insights into the formation of floral scent in Hedychium coronarium
Published in
BMC Genomics, June 2015
DOI 10.1186/s12864-015-1653-7
Pubmed ID
Authors

Yuechong Yue, Rangcai Yu, Yanping Fan

Abstract

Hedychium coronarium is a popular ornamental plant in tropical and subtropical regions because its flowers not only possess intense and inviting fragrance but also enjoy elegant shape. The fragrance results from volatile terpenes and benzenoids presented in the floral scent profile. However, in this species, even in monocots, little is known about the underlying molecular mechanism of floral scent production. Using Illumina platform, approximately 81 million high-quality reads were obtained from a pooled cDNA library. The de novo assembly resulted in a transcriptome with 65,591 unigenes, 50.90 % of which were annotated using public databases. Digital gene expression (DGE) profiling analysis revealed 7,796 differential expression genes (DEGs) during petal development. GO term classification and KEGG pathway analysis indicated that the levels of transcripts changed significantly in "metabolic process", including "terpenoid biosynthetic process". Through a systematic analysis, 35 and 33 candidate genes might be involved in the biosynthesis of floral volatile terpenes and benzenoids, respectively. Among them, flower-specific HcDXS2A, HcGPPS, HcTPSs, HcCNL and HcBCMT1 might play critical roles in regulating the formation of floral fragrance through DGE profiling coupled with floral volatile profiling analyses. In vitro characterization showed that HcTPS6 was capable of generating β-farnesene as its main product. In the transcriptome, 1,741 transcription factors (TFs) were identified and 474 TFs showed differential expression during petal development. It is supposed that two R2R3-MYBs with flower-specific and developmental expression might be involved in the scent production. The novel transcriptome and DGE profiling provide an important resource for functional genomics studies and give us a dynamic view of biological process during petal development in H. coronarium. These data lay the basis for elucidating the molecular mechanism of floral scent formation and regulation in monocot. The results also provide the opportunities for genetic modification of floral scent profile in Hedychium.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 66 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
India 1 2%
Serbia 1 2%
Unknown 64 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 18 27%
Student > Master 10 15%
Researcher 8 12%
Student > Postgraduate 4 6%
Student > Bachelor 3 5%
Other 9 14%
Unknown 14 21%
Readers by discipline Count As %
Agricultural and Biological Sciences 26 39%
Biochemistry, Genetics and Molecular Biology 14 21%
Pharmacology, Toxicology and Pharmaceutical Science 2 3%
Chemistry 2 3%
Unspecified 1 2%
Other 5 8%
Unknown 16 24%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 June 2015.
All research outputs
#15,337,950
of 22,813,792 outputs
Outputs from BMC Genomics
#6,693
of 10,653 outputs
Outputs of similar age
#154,603
of 264,785 outputs
Outputs of similar age from BMC Genomics
#178
of 250 outputs
Altmetric has tracked 22,813,792 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 10,653 research outputs from this source. They receive a mean Attention Score of 4.7. This one is in the 29th percentile – i.e., 29% of its peers scored the same or lower than it.
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We're also able to compare this research output to 250 others from the same source and published within six weeks on either side of this one. This one is in the 22nd percentile – i.e., 22% of its contemporaries scored the same or lower than it.