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The Complete Chloroplast Genome of Chinese Bayberry (Morella rubra, Myricaceae): Implications for Understanding the Evolution of Fagales

Overview of attention for article published in Frontiers in Plant Science, June 2017
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Title
The Complete Chloroplast Genome of Chinese Bayberry (Morella rubra, Myricaceae): Implications for Understanding the Evolution of Fagales
Published in
Frontiers in Plant Science, June 2017
DOI 10.3389/fpls.2017.00968
Pubmed ID
Authors

Lu-Xian Liu, Rui Li, James R. P. Worth, Xian Li, Pan Li, Kenneth M. Cameron, Cheng-Xin Fu

Abstract

Morella rubra (Myricaceae), also known as Chinese bayberry, is an economically important, subtropical, evergreen fruit tree. The phylogenetic placement of Myricaceae within Fagales and the origin of Chinese bayberry's domestication are still unresolved. In this study, we report the chloroplast (cp) genome of M. rubra and take advantage of several previously reported chloroplast genomes from related taxa to examine patterns of evolution in Fagales. The cp genomes of three M. rubra individuals were 159,478, 159,568, and 159.586 bp in length, respectively, comprising a pair of inverted repeat (IR) regions (26,014-26,069 bp) separated by a large single-copy (LSC) region (88,683-88,809 bp) and a small single-copy (SSC) region (18,676-18,767 bp). Each cp genome encodes the same 111 unique genes, consisting of 77 different protein-coding genes, 30 transfer RNA genes and four ribosomal RNA genes, with 18 duplicated in the IRs. Comparative analysis of chloroplast genomes from four representative Fagales families revealed the loss of infA and the pseudogenization of ycf15 in all analyzed species, and rpl22 has been pseudogenized in M. rubra and Castanea mollissima, but not in Juglans regia or Ostrya rehderiana. The genome size variations are detected mainly due to the length of intergenic spacers rather than gene loss, gene pseudogenization, IR expansion or contraction. The phylogenetic relationships yielded by the complete genome sequences strongly support the placement of Myricaceae as sister to Juglandaceae. Furthermore, seven cpDNA markers (trnH-psbA, psbA-trnK, rps2-rpoC2, ycf4-cemA, petD-rpoA, ndhE-ndhG, and ndhA intron) with relatively high levels of variation and variable cpSSR loci were identified within M. rubra, which will be useful in future research characterizing the population genetics of M. rubra and investigating the origin of domesticated Chinese bayberry.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 34 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 34 100%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 5 15%
Researcher 4 12%
Student > Ph. D. Student 3 9%
Student > Master 3 9%
Student > Postgraduate 2 6%
Other 5 15%
Unknown 12 35%
Readers by discipline Count As %
Agricultural and Biological Sciences 12 35%
Biochemistry, Genetics and Molecular Biology 3 9%
Medicine and Dentistry 2 6%
Arts and Humanities 1 3%
Earth and Planetary Sciences 1 3%
Other 1 3%
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 18 July 2017.
All research outputs
#17,905,157
of 22,988,380 outputs
Outputs from Frontiers in Plant Science
#12,182
of 20,454 outputs
Outputs of similar age
#225,637
of 314,537 outputs
Outputs of similar age from Frontiers in Plant Science
#379
of 552 outputs
Altmetric has tracked 22,988,380 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 20,454 research outputs from this source. They receive a mean Attention Score of 4.0. This one is in the 31st percentile – i.e., 31% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 314,537 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 552 others from the same source and published within six weeks on either side of this one. This one is in the 20th percentile – i.e., 20% of its contemporaries scored the same or lower than it.