Evidence map›Paper›PMID 18335093›Full record

ArticleEnvironmental health perspectives2008

Particle size distribution of airborne microorganisms and pathogens during an Intense African dust event in the eastern Mediterranean.

Paraskevi N Polymenakou, Manolis Mandalakis, Euripides G Stephanou, Anastasios Tselepides

Abstract read
In one paragraph

Article in Environmental health perspectives, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.

0numbers the graph read from it
0cells of the map it votes in
54citing papers in PubMed
–field-weighted citation impact
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

54 citing papers in PubMed.

  1. Article
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  4. Solid-stateCommunications earth & environment · 2025
    Article
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  6. A critical review on bioaerosols-dispersal of crop pathogenic microorganisms and their impact on crop yield.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2024
    Review
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  18. PMJournal of environmental health science & engineering · 2020
    Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors.

Paraskevi N PolymenakouHellenic Centre for Marine Research-Crete, Heraklion, Greece. polymen@her.hcmr.gr
Manolis Mandalakis
Euripides G Stephanou
Anastasios Tselepides

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe distribution of microorganisms, and especially pathogens, over airborne particles of different sizes has been ignored to a large extent, but it could have significant implications regarding the dispersion of these microorganisms across the planet, thus affecting human health.

objectivesWe examined the microbial quality of the aerosols over the eastern Mediterranean region during an African storm to determine the size distribution of microorganisms in the air.

methodsWe used a five-stage cascade impactor for bioaerosol collection in a coastal city on the eastern Mediterranean Sea during a north African dust storm. Bacterial communities associated with aerosol particles of six different size ranges were characterized following molecular culture-independent methods, regardless of the cell culturability (analysis of 16S rRNA genes).

resultsAll 16S rDNA clone libraries were diverse, including sequences commonly found in soil and marine ecosystems. Spore-forming bacteria such as Firmicutes dominated large particle sizes (> 3.3 microm), whereas clones affiliated with Actinobacteria (found commonly in soil) and Bacteroidetes (widely distributed in the environment) gradually increased their abundance in aerosol particles of reduced size (< 3.3 microm). A large portion of the clones detected at respiratory particle sizes (< 3.3 microm) were phylogenetic neighbors to human pathogens that have been linked to several diseases.

conclusionsThe presence of aerosolized bacteria in small size particles may have significant implications to human health via intercontinental transportation of pathogens.

Indexed as

Africa, NorthernAir MovementsAir PollutantsBacteriaBacterial InfectionsDustEnvironmental MonitoringGreeceHumansParticle SizeRNA, BacterialRNA, Ribosomal, 16SAir PollutantsDustRNA, BacterialRNA, Ribosomal, 16SAfrican dustbacterial community compositionmicrobial transportparticle size distributionpathogens

Identifiers

PMID18335093
PMCPMC2265054

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Registered trials

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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.