Evidence map›Paper›PMID 31053085›Full record

ArticleParasites & vectors2019

Prevalence of Rickettsia species in ticks including identification of unknown species in two regions in Kazakhstan.

Nurkeldi Turebekov, Karlygash Abdiyeva, Ravilya Yegemberdiyeva, Andrey Dmitrovsky, Lyazzat Yeraliyeva, Zhanna Shapiyeva, Aday Amirbekov, Aksoltan Oradova, Zulfiya Kachiyeva, Lyazzat Ziyadina and 6 more

Open access · goldAbstract read
In one paragraph

Article in Parasites & vectors, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
3.4field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 38 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

16 authors at 5 institutions in 2 countries.

Nurkeldi TurebekovCenter for International Health, Ludwig-Maximilians-University, Munich, Germany.
Karlygash AbdiyevaCenter for International Health, Ludwig-Maximilians-University, Munich, Germany.
Ravilya YegemberdiyevaDepartment of Infectious and Tropical Diseases, Kazakh National Medical University, Almaty, Kazakhstan.
Andrey DmitrovskyDepartment of Infectious and Tropical Diseases, Kazakh National Medical University, Almaty, Kazakhstan.
Lyazzat YeraliyevaDepartment of Children's Infectious Diseases, Kazakh National Medical University, Almaty, Kazakhstan.
Zhanna ShapiyevaScientific Practical Center of Sanitary Epidemiological Expertise and Monitoring, Almaty, Kazakhstan.
Aday AmirbekovResearch Institute of Applied and Fundamental Medicine, Kazakh National Medical University, Almaty, Kazakhstan.
Aksoltan OradovaResearch Institute of Applied and Fundamental Medicine, Kazakh National Medical University, Almaty, Kazakhstan.
Zulfiya KachiyevaResearch Institute of Applied and Fundamental Medicine, Kazakh National Medical University, Almaty, Kazakhstan.
Lyazzat ZiyadinaScientific Practical Center of Sanitary Epidemiological Expertise and Monitoring, Almaty, Kazakhstan.
Michael HoelscherCenter for International Health, Ludwig-Maximilians-University, Munich, Germany.
Guenter FroeschlCenter for International Health, Ludwig-Maximilians-University, Munich, Germany.
Gerhard DoblerDepartment Virology & Rickettsiology, Bundeswehr Institute of Microbiology, German Center for Infection Research, Munich Partner site, Munich, Germany.
Josua ZinnerDepartment Virology & Rickettsiology, Bundeswehr Institute of Microbiology, German Center for Infection Research, Munich Partner site, Munich, Germany.
Stefan FreyDepartment Virology & Rickettsiology, Bundeswehr Institute of Microbiology, German Center for Infection Research, Munich Partner site, Munich, Germany.
Sandra EssbauerDepartment Virology & Rickettsiology, Bundeswehr Institute of Microbiology, German Center for Infection Research, Munich Partner site, Munich, Germany. sandraessbauer@bundeswehr.org.
Kazakh National Medical University · KZGerman Center for Infection Research · DEGlobal Health Research Center of Central Asia · KZKazakh Research Institute of Plant Protection and Quarantine · KZLudwig-Maximilians-Universität München · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundOver 60 years ago clinical patterns resembling tick-borne rickettsioses have been described for the first time in Kazakhstan. Since 1995 the incidence of clinical cases of tick-borne rickettsioses in humans seems to be rising but studies on epidemiological data regarding the occurring etiological agents, tick vector species, prevalence and distribution throughout Kazakhstan are still scarce to date. The aim of the study was molecular investigation of ticks for spotted-fever group rickettsiae in the endemic Kyzylorda region and the so far considered as non-endemic Almaty region. A total of 2341 ticks was collected in the two regions in Kazakhstan and sorted in 501 pools: Ixodes persulcatus (243); Dermacentor marginatus (129); Haemaphysalis punctata (104); Hyalomma asiaticum (17); Dermacentor reticulatus (3); and Rhipicephalus turanicus (5). Pools were tested for Rickettsia spp. using real-time PCR. For positive samples multilocus sequence typing (MLST) was performed.

resultsThe calculated minimum infection rate (MIR) for rickettsiae in the investigated ticks in Almaty region varied between 0.4-15.1% and 12.6-22.7% in the Kyzylorda region. At least four different Rickettsia species were identified in the two selected regions of Kazakhstan. Two of these are already known to science: Rickettsia raoultii and R. slovaca, the latter being reported for the first time in Almaty region One new form, "Candidatus R. yenbekshikazakhensis", was described by MLST of six gene fragments in Almaty region and one new genotype, "genotype R. talgarensis" was detected using three gene fragments.

conclusionsKazakh physicians should be aware of rickettsioses after tick bites in both regions studied. Both, R. raoultii and R. slovaca should be included in the diagnostics. The role for human diseases has further to be investigated for the newly described rickettsiae, "Candidatus R. yenbekshikazakhensis" and "Genotype R. talgarensis".

Indexed as

AnimalsArachnid VectorsDNA, BacterialFemaleHumansKazakhstanMaleMultilocus Sequence TypingPrevalenceRickettsiaRickettsia InfectionsTicksDNA, BacterialAlmaty regionDNA isolationKazakhstanKyzylorda regionRickettsia raoultiiRickettsia slovacaTicks

Identifiers

PMID31053085
PMCPMC6500025
OpenAlexW2947542335

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.