On distinguishing the natural and human-induced sources of airborne pathogenic viable bioaerosols: characteristic assessment using advanced molecular analysis

Krishnamoorthy, Sarayu; Muthalagu, Akila; Priyamvada, Hema; Akkal, Shruthi; Valsan, Aswathy E.; Ravikrishna, R.; Kanawade, Vijay P.; Gunthe, Sachin S.

doi:10.1007/s42452-020-2965-z

Cited by 6 publications

(2 citation statements)

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“…7c). From this, it is inferred that the size ranges 1.8-5.6 µm have shown the speci city for diverse community structure of human pathogens as described by Guarnieri and Balmes (2014) and Krishnamoorthy et al (2020). Further, PCoA infers that the phase 1 and 2 samples comprised a highly diverse community in all the size ranges studied except for the size range 3.2-5.6 µm and 5.6-10 µm of phase 2 samples that were found to share overlapping communities (Fig.…”

Section: Human Pathogenic Fungal Burden In the Bioaerosols And Their ...mentioning

confidence: 53%

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Size-resolved genomic characterization of fungal bioaerosols with emphasis on the diversity among host-specific pathogenic and non-pathogenic fungal species

Varghese,

Krishnamoorthy,

et al. 2023

Preprint

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Dispersion and atmospheric transport of fungal bioaerosols help fungal migration and colonization worldwide. The particle size of fungal propagules mainly controls this and influences the taxonomic composition of fungal bioaerosols in a region. The study reports the size-resolved genomic characterization of the pathogenic and non-pathogenic fungal bioaerosols found in the Indian subcontinent. Scanning Electron Microscope images and results from size-resolved DNA analysis using the next-generation sequencing (NGS) method inferred the presence of unicellular and multi-cellular spores and large fungal fragments in the bioaerosols. Further investigations inferred the presence of 67 crop pathogenic fungal OTUs capable of causing lethal crop diseases threatening the country’s food security and agricultural economy. Many other pathogenic fungal species, which could affect plants (plants excluding the crops), humans, and insects were also found in the bioaerosols. About 176 non-pathogenic OTUs inferred the presence of some beneficial fungal species in bioaerosols. Community diversity and similarities shared by each pathogenic and non-pathogenic category implied that the pathogenic fungal categories shared many OTUs within the categories, compared to the non-pathogenic fungal categories, explicitly explaining the evolution potential of pathogenic fungal species to infect a broad host range. Such studies on bioaerosol characterization based on host-pathogen interactions help to predict pathogenic fungal invasions and help the government to ensure biosecurity.

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Section: Human Pathogenic Fungal Burden In the Bioaerosols And Their ...mentioning

confidence: 53%

“…The data from Figs. 1, 2, and S2 show that the size ranges measured correspond to fungal spores, fungal fragments, clusters of spores, mycelium, and spores-dust agglomerates (Krishnamoorthy et al 2020;Lacey 1991;Tong and Lighthart 2000).…”

Section: Fungal Burden In the Atmospheric Airmentioning

confidence: 95%