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Cryptic diversity in an Atlantic Forest malaria vector from the mountains of South-East Brazil

Overview of attention for article published in Parasites & Vectors, January 2018
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40 Mendeley
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Title
Cryptic diversity in an Atlantic Forest malaria vector from the mountains of South-East Brazil
Published in
Parasites & Vectors, January 2018
DOI 10.1186/s13071-018-2615-0
Pubmed ID
Authors

Guilherme de Rezende Dias, Thais Tenorio Soares Fujii, Bernardo Fernandes Fogel, Ricardo Lourenço-de-Oliveira, Teresa Fernandes Silva-do-Nascimento, André Nóbrega Pitaluga, Carlos José Carvalho-Pinto, Antonio Bernardo Carvalho, Alexandre Afrânio Peixoto, Luísa Damazio Pitaluga Rona

Abstract

Anopheles (Kerteszia) cruzii is the primary vector of human and simian malarias in Brazilian regions covered by the Atlantic Rainforest. Previous studies found that An. cruzii presents high levels of behavioural, chromosomal and molecular polymorphisms, which led to the hypothesis that it may be a complex of cryptic species. Here, An. cruzii specimens were collected in five sites in South-East Brazil located at different altitudes on the inner and coastal slopes of two mountain ranges covered by Atlantic Rainforest, known as Serra do Mar and Serra da Mantiqueria. Partial sequences for two genes (Clock and cpr) were generated and compared with previously published sequences from Florianópolis (southern Brazil). Genetic diversity was analysed with estimates of population structure (F ST ) and haplotype phylogenetic trees in order to understand how many species of the complex may occur in this biome and how populations across the species distribution are related. The sequences from specimens collected at sites located on the lower coastal slopes of Serra do Mar (Guapimirim, Tinguá and Sana) clustered together in the phylogenetic analysis, while the major haplotypes from sites located on higher altitude and at the continental side of the same mountains (Bocaina) clustered with those from Serra da Mantiqueira (Itatiaia), an inner mountain range. These two An. cruzii lineages showed statistically significant genetic differentiation and fixed characters, and have high F ST values typical of between species comparisons. Finally, in Bocaina, where the two lineages occur in sympatry, we found deviations from Hardy-Weinberg equilibrium due to a deficit of heterozygotes, indicating partial reproductive isolation. These results strongly suggest that at least two distinct lineages of An. cruzii (provisorily named "Group 1" and "Group 2") occur in the mountains of South-East Brazil. At least two genetically distinct An. cruzii lineages occur in the Atlantic Forest covered mountains of South-East Brazil. The co-occurrence of distinct lineages of An. cruzii (possibly incipient species) in those mountains is an interesting biological phenomenon and may have important implications for malaria prevalence, Plasmodium transmission dynamics and control.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 40 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 40 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 10 25%
Student > Bachelor 7 18%
Researcher 5 13%
Student > Ph. D. Student 5 13%
Other 3 8%
Other 2 5%
Unknown 8 20%
Readers by discipline Count As %
Agricultural and Biological Sciences 15 38%
Environmental Science 4 10%
Biochemistry, Genetics and Molecular Biology 4 10%
Immunology and Microbiology 2 5%
Medicine and Dentistry 2 5%
Other 2 5%
Unknown 11 28%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 January 2018.
All research outputs
#14,089,967
of 23,016,919 outputs
Outputs from Parasites & Vectors
#2,672
of 5,505 outputs
Outputs of similar age
#249,932
of 473,640 outputs
Outputs of similar age from Parasites & Vectors
#74
of 140 outputs
Altmetric has tracked 23,016,919 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,505 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.7. This one is in the 48th percentile – i.e., 48% 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 473,640 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 45th percentile – i.e., 45% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 140 others from the same source and published within six weeks on either side of this one. This one is in the 45th percentile – i.e., 45% of its contemporaries scored the same or lower than it.