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The mitochondrial genome sequences of the round goby and the sand goby reveal patterns of recent evolution in gobiid fish

Overview of attention for article published in BMC Genomics, February 2017
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  • Above-average Attention Score compared to outputs of the same age and source (57th percentile)

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Title
The mitochondrial genome sequences of the round goby and the sand goby reveal patterns of recent evolution in gobiid fish
Published in
BMC Genomics, February 2017
DOI 10.1186/s12864-017-3550-8
Pubmed ID
Authors

Irene Adrian-Kalchhauser, Ola Svensson, Verena E. Kutschera, Magnus Alm Rosenblad, Martin Pippel, Sylke Winkler, Siegfried Schloissnig, Anders Blomberg, Patricia Burkhardt-Holm

Abstract

Vertebrate mitochondrial genomes are optimized for fast replication and low cost of RNA expression. Accordingly, they are devoid of introns, are transcribed as polycistrons and contain very little intergenic sequences. Usually, vertebrate mitochondrial genomes measure between 16.5 and 17 kilobases (kb). During genome sequencing projects for two novel vertebrate models, the invasive round goby and the sand goby, we found that the sand goby genome is exceptionally small (16.4 kb), while the mitochondrial genome of the round goby is much larger than expected for a vertebrate. It is 19 kb in size and is thus one of the largest fish and even vertebrate mitochondrial genomes known to date. The expansion is attributable to a sequence insertion downstream of the putative transcriptional start site. This insertion carries traces of repeats from the control region, but is mostly novel. To get more information about this phenomenon, we gathered all available mitochondrial genomes of Gobiidae and of nine gobioid species, performed phylogenetic analyses, analysed gene arrangements, and compared gobiid mitochondrial genome sizes, ecological information and other species characteristics with respect to the mitochondrial phylogeny. This allowed us amongst others to identify a unique arrangement of tRNAs among Ponto-Caspian gobies. Our results indicate that the round goby mitochondrial genome may contain novel features. Since mitochondrial genome organisation is tightly linked to energy metabolism, these features may be linked to its invasion success. Also, the unique tRNA arrangement among Ponto-Caspian gobies may be helpful in studying the evolution of this highly adaptive and invasive species group. Finally, we find that the phylogeny of gobiids can be further refined by the use of longer stretches of linked DNA sequence.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 64 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 64 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 13 20%
Student > Master 9 14%
Researcher 8 13%
Student > Bachelor 6 9%
Student > Doctoral Student 3 5%
Other 9 14%
Unknown 16 25%
Readers by discipline Count As %
Agricultural and Biological Sciences 20 31%
Biochemistry, Genetics and Molecular Biology 11 17%
Environmental Science 9 14%
Computer Science 2 3%
Arts and Humanities 1 2%
Other 2 3%
Unknown 19 30%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. 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 24 February 2017.
All research outputs
#12,831,373
of 22,955,959 outputs
Outputs from BMC Genomics
#4,425
of 10,686 outputs
Outputs of similar age
#147,920
of 307,002 outputs
Outputs of similar age from BMC Genomics
#99
of 236 outputs
Altmetric has tracked 22,955,959 research outputs across all sources so far. This one is in the 43rd percentile – i.e., 43% of other outputs scored the same or lower than it.
So far Altmetric has tracked 10,686 research outputs from this source. They receive a mean Attention Score of 4.7. This one has gotten more attention than average, scoring higher than 57% of its peers.
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 307,002 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 51% of its contemporaries.
We're also able to compare this research output to 236 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 57% of its contemporaries.