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Differential expression profiles of the salivary proteins SP15 and SP44 from Phlebotomus papatasi

Overview of attention for article published in Parasites & Vectors, June 2016
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Title
Differential expression profiles of the salivary proteins SP15 and SP44 from Phlebotomus papatasi
Published in
Parasites & Vectors, June 2016
DOI 10.1186/s13071-016-1633-z
Pubmed ID
Authors

Nasibeh Hosseini-Vasoukolaei, Farah Idali, Ali Khamesipour, Mohammad Reza Yaghoobi-Ershadi, Shaden Kamhawi, Jesus G. Valenzuela, Haleh Edalatkhah, Mohammad Hossein Arandian, Hossein Mirhendi, Shaghayegh Emami, Reza Jafari, Zahra Saeidi, Mahmood Jeddi-Tehrani, Amir Ahmad Akhavan

Abstract

Sand fly saliva has been shown to help parasite establishment and to induce immune responses in vertebrate hosts. In the current study, we investigated the pattern of expression of two Phlebotomus papatasi salivary transcripts in specific physiological and seasonal conditions at a hyperendemic area of zoonotic cutaneous leishmaniasis (ZCL) in Iran. Sand flies were collected during 2012-2013, and grouped according to physiological stages such as unfed, fed, semi-gravid, gravid, parous, nulliparous, infected or non-infected with Leishmania major and also based on the season in which they were collected. Quantitative Real-Time PCR was applied for assessment of the expression of two relevant salivary transcripts, PpSP15 and PpSP44, associated to protection from and exacerbation of ZCL, respectively. The expression of PpSP15 and PpSP44 transcripts was significantly up-regulated (1.74 and 1.4 folds, respectively) in blood fed compared to unfed flies. Among four groups of fed, unfed, semi-gravid and gravid flies, the lowest levels of PpSP15 and PpSP44 expression were observed in gravid flies. Additionally, the expression levels of both PpSP15 and PpSP44 transcripts in P. papatasi collected during summer were significantly up-regulated (3.7 and 4.4 folds, respectively) compared to spring collections. In addition, the PpSP15 transcript exhibited a significant up-regulation (P < 0.05) in non-infected flies compared to those infected with L. major. This study contributes to our knowledge of the differential expression of salivary genes among different groups within a P. papatasi population under natural field conditions. Cutaneous and visceral leishmaniasis are of public health importance in many parts of Iran and neighbouring countries where P. papatasi is the proven and dominant sand fly vector for ZCL, the most prevalent and endemic form of the disease in Iran. Therefore, the current study could be helpful in understanding the influence of salivary genes on Leishmania transmission by phlebotomine sand flies. Our findings demonstrate the differential expression of salivary transcripts under various physiological conditions potentially influencing the sand fly capacity for parasite transmission as well as the outcome of disease.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 39 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 39 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 18%
Researcher 6 15%
Student > Master 5 13%
Student > Bachelor 2 5%
Other 2 5%
Other 5 13%
Unknown 12 31%
Readers by discipline Count As %
Agricultural and Biological Sciences 9 23%
Biochemistry, Genetics and Molecular Biology 7 18%
Veterinary Science and Veterinary Medicine 2 5%
Immunology and Microbiology 2 5%
Medicine and Dentistry 2 5%
Other 1 3%
Unknown 16 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 29 June 2016.
All research outputs
#18,464,797
of 22,879,161 outputs
Outputs from Parasites & Vectors
#4,236
of 5,474 outputs
Outputs of similar age
#267,641
of 352,727 outputs
Outputs of similar age from Parasites & Vectors
#148
of 176 outputs
Altmetric has tracked 22,879,161 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,474 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 11th percentile – i.e., 11% of its peers scored the same or lower than it.
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We're also able to compare this research output to 176 others from the same source and published within six weeks on either side of this one. This one is in the 6th percentile – i.e., 6% of its contemporaries scored the same or lower than it.