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Cytogenetic variation of repetitive DNA elements in Hoplias malabaricus (Characiformes - Erythrinidae) from white, black and clear water rivers of the Amazon basin

Overview of attention for article published in Genetics and Molecular Biology, March 2016
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1 tweeter

Citations

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16 Mendeley
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Title
Cytogenetic variation of repetitive DNA elements in Hoplias malabaricus (Characiformes - Erythrinidae) from white, black and clear water rivers of the Amazon basin
Published in
Genetics and Molecular Biology, March 2016
DOI 10.1590/1678-4685-gmb-2015-0099
Pubmed ID
27007897
Authors

Santos, Fabíola Araújo Dos, Marques, Diego Ferreira, Terencio, Maria Leandra, Feldberg, Eliana, Rodrigues, Luís Reginaldo R

Abstract

Hoplias malabaricus is a common fish species occurring in white, black and clear water rivers of the Amazon basin. Its large distribution across distinct aquatic environments can pose stressful conditions for dispersal and creates possibilities for the emergence of local adaptive profiles. We investigated the chromosomal localization of repetitive DNA markers (constitutive heterochromatin, rDNA and the transposable element REX-3) in populations from the Amazonas river (white water), the Negro river (black water) and the Tapajós river (clear water), in order to address the variation/association of cytogenomic features and environmental conditions. We found a conserved karyotypic macrostructure with a diploid number of 40 chromosomes (20 metacentrics + 20 submetacentrics) in all the samples. Heteromorphism in pair 14 was detected as evidence for the initial differentiation of an XX/XY system. Minor differences detected in the amount of repetitive DNA markers are interpreted as possible signatures of local adaptations to distinct aquatic environments.

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Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 16 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 6%
Unknown 15 94%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 3 19%
Student > Doctoral Student 2 13%
Student > Master 2 13%
Student > Postgraduate 2 13%
Researcher 2 13%
Other 2 13%
Unknown 3 19%
Readers by discipline Count As %
Agricultural and Biological Sciences 6 38%
Biochemistry, Genetics and Molecular Biology 4 25%
Social Sciences 2 13%
Immunology and Microbiology 1 6%
Environmental Science 1 6%
Other 0 0%
Unknown 2 13%

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 24 March 2016.
All research outputs
#20,317,110
of 22,858,915 outputs
Outputs from Genetics and Molecular Biology
#588
of 711 outputs
Outputs of similar age
#251,973
of 298,400 outputs
Outputs of similar age from Genetics and Molecular Biology
#5
of 7 outputs
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So far Altmetric has tracked 711 research outputs from this source. They receive a mean Attention Score of 3.1. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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