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Multilocus typing of Cryptosporidium spp. and Giardia duodenalis from non-human primates in China

Overview of attention for article published in International Journal for Parasitology, August 2014
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Title
Multilocus typing of Cryptosporidium spp. and Giardia duodenalis from non-human primates in China
Published in
International Journal for Parasitology, August 2014
DOI 10.1016/j.ijpara.2014.07.006
Pubmed ID
Authors

Robiul Karim, Sumei Zhang, Fuchun Jian, Jiacheng Li, Chunxiang Zhou, Longxian Zhang, Mingfei Sun, Guangyou Yang, Fengcai Zou, Haiju Dong, Jian Li, Farzana Islam Rume, Meng Qi, Rongjun Wang, Changshen Ning, Lihua Xiao

Abstract

Non-human primates (NHPs) are commonly infected with Cryptosporidium spp. and Giardia duodenalis. However, molecular characterisation of these pathogens from NHPs remains scarce. In this study, 2,660 specimens from 26 NHP species in China were examined and characterised by PCR amplification of 18S rRNA, 70kDa heat shock protein (hsp70) and 60kDa glycoprotein (gp60) gene loci for Cryptosporidium; and 1,386 of the specimens by ssrRNA, triosephosphate isomerase (tpi) and glutamate dehydrogenase (gdh) gene loci for Giardia. Cryptosporidium was detected in 0.7% (19/2660) specimens of four NHP species including rhesus macaques (0.7%), cynomolgus monkeys (1.0%), slow lorises (10.0%) and Francois' leaf monkeys (6.7%), belonging to Cryptosporidium hominis (14/19) and Cryptosporidium muris (5/19). Two C. hominis gp60 subtypes, IbA12G3 and IiA17 were observed. Based on the tpi locus, G. duodenalis was identified in 2.2% (30/1,386) of specimens including 2.1% in rhesus macaques, 33.3% in Japanese macaques, 16.7% in Assam macaques, 0.7% in white-headed langurs, 1.6% in cynomolgus monkeys and 16.7% in olive baboons. Sequence analysis of the three targets indicated that all of the Giardia-positive specimens belonged to the zoonotic assemblage B. Highest sequence polymorphism was observed at the tpi locus, including 11 subtypes: three known and eight new ones. Phylogenetic analysis of the subtypes showed that most of them were close to the so-called subtype BIV. Intragenotypic variations at the gdh locus revealed six types of sequences (three known and three new), all of which belonged to so-called subtype BIV. Three specimens had co-infection with C. hominis (IbA12G3) and G. duodenalis (BIV). The presence of zoonotic genotypes and subtypes of Cryptosporidium spp. and G. duodenalis in NHPs suggests that these animals can potentially contribute to the transmission of human cryptosporidiosis and giardiasis.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 60 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Mexico 1 2%
Unknown 59 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 12 20%
Researcher 9 15%
Student > Bachelor 6 10%
Student > Ph. D. Student 5 8%
Professor > Associate Professor 3 5%
Other 10 17%
Unknown 15 25%
Readers by discipline Count As %
Agricultural and Biological Sciences 16 27%
Veterinary Science and Veterinary Medicine 5 8%
Biochemistry, Genetics and Molecular Biology 5 8%
Immunology and Microbiology 2 3%
Environmental Science 2 3%
Other 9 15%
Unknown 21 35%
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 26 August 2014.
All research outputs
#17,286,645
of 25,374,917 outputs
Outputs from International Journal for Parasitology
#1,702
of 2,078 outputs
Outputs of similar age
#147,669
of 246,638 outputs
Outputs of similar age from International Journal for Parasitology
#17
of 25 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,078 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 12th percentile – i.e., 12% 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 246,638 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 25 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.