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Transcriptome profilings of two tall fescue (Festuca arundinacea) cultivars in response to lead (Pb) stress

Overview of attention for article published in BMC Genomics, February 2017
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Title
Transcriptome profilings of two tall fescue (Festuca arundinacea) cultivars in response to lead (Pb) stress
Published in
BMC Genomics, February 2017
DOI 10.1186/s12864-016-3479-3
Pubmed ID
Authors

Huiying Li, Tao Hu, Erick Amombo, Jinmin Fu

Abstract

Lead (Pb) is one of the most toxic heavy metal environmental pollutants. Tall fescue is an important cold season turf grass which can tolerate and accumulate substantial amount of Pb. To estimate genes related to Pb response and the molecular mechanism associated with Pb tolerance and accumulation, we analyzed the transcriptome of tall fescue in response to Pb treatment. RNA-sequencing was performed in two tall fescue cultivars, Pb tolerant Silverado and Pb sensitive AST7001. A total of 810,146 assembled unique transcripts representing 25,415 unigenes were obtained from the tall fescue leaves. Among the panel, 3,696 differentially expressed genes (DEGs) were detected between the Pb treated (1000 mg/L) and untreated samples. Gene ontology (GO) and pathway enrichment analysis demonstrated that the DEGs were mainly implicated in energy metabolism, metabolism of terpenoids and polyketides, and carbohydrate metabolism related pathways. The expression patterns of 16 randomly selected genes were in consistent with that from the Solexa analysis using quantitative reverse-transcription PCR. In addition, compared to the common transcriptional response to Pb stress in both cultivars, the regulation of numerous genes including those involved in zeatin biosynthesis, limonene and pinene degradation, phagosome was exclusive to one cultivar. The tall fescue assembled transcriptome provided substantial molecular resources for further genomics analysis of turfgrass in response to heavy metal stress. The significant expression difference of specific unigenes may account for Pb tolerance or accumulation in two different tall fescue cultivars. This study provided new insights for the investigation of the molecular basis of Pb tolerance and accumulation in tall fescue as well as other related turf grass species.

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Mendeley readers

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Geographical breakdown

Country Count As %
Unknown 34 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 6 18%
Researcher 6 18%
Student > Ph. D. Student 5 15%
Student > Doctoral Student 3 9%
Lecturer 2 6%
Other 3 9%
Unknown 9 26%
Readers by discipline Count As %
Agricultural and Biological Sciences 7 21%
Biochemistry, Genetics and Molecular Biology 7 21%
Environmental Science 4 12%
Business, Management and Accounting 1 3%
Psychology 1 3%
Other 0 0%
Unknown 14 41%
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 12 February 2017.
All research outputs
#20,403,545
of 22,953,506 outputs
Outputs from BMC Genomics
#9,311
of 10,686 outputs
Outputs of similar age
#357,924
of 422,694 outputs
Outputs of similar age from BMC Genomics
#186
of 235 outputs
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