אסיף מאגר המחקר החקלאי

Acrobeloides buetschlii as a potential vector for enteric pathogens

Year:

2015

Source of publication :

Authors :

Volume :

17

Co-Authors:

Belausov, E., Confocal Microscopy Unit, Agricultural Research Organization (ARO), Volcani Center, Bet Dagan, Israel
Spiegel, Y., Department of Nematology, Institute of Plant Protection, Agricultural Research Organization (ARO), Volcani Center, Bet Dagan, Israel
Saldinger, S.S., Department of Food Quality and Safety, Institute for Postharvest and Food Sciences, Hebrew University, Rehovot, Israel
Bucki, P., Department of Nematology, Institute of Plant Protection, Agricultural Research Organization (ARO), Volcani Center, Bet Dagan, Israel
Kroupitski, Y., Department of Food Quality and Safety, Institute for Postharvest and Food Sciences, Hebrew University, Rehovot, Israel, Department of Biochemistry and Food Science, Robert H. Smith Faculty of Agriculture, Food and Environment, Hebrew University, Rehovot, Israel
Ruess, L., Humboldt-Universität zu Berlin, Institute of Biology, Ecology Group, Berlin, Germany
Pinto, R., Department of Food Quality and Safety, Institute for Postharvest and Food Sciences, Hebrew University, Rehovot, Israel

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Abstract:

The objective of the present study was to assess if Acrobeloides buetschlii, an opportunistic species common across many soils, can be employed as a suitable model for interactions between free-living soil nematodes and enteric human pathogens. Acrobeloides buetschlii was exposed to mCherry-tagged Salmonella enterica and Escherichia coli O157:H7 and its vector potential was assessed. Salmonella cells were more readily ingested by the nematodes compared to E. coli O157:H7. Adult nematodes ingested more bacteria compared to juveniles. Salmonella survived internally for at least 7 days without affecting the viability of nematodes. Bacterial ingestion by A. buetschlii did not vary for three tested Salmonella serovars but was significantly lower for E. coli O157:H7. Considering the ubiquitous nature of pathogen and vector, these findings suggest that A. buetschlii can serve as a relevant model for studying nematode-Salmonella interactions in an agricultural setting and as potential transport for food-borne pathogens from soil to crops. © 2015 Koninklijke Brill NV, Leiden.

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