Internalization capacity of Salmonella enterica sv Thompson in strawberry plants via root

Pérez-Lavalle, Liliana; Carrasco, Elena; Vallesquino-Laguna, Pedro; Cejudo-Gómez, Manuel; Posada-Izquierdo, Guiomar Denisse; Valero, Antonio

doi:10.1016/j.foodcont.2021.108080

Cited by 5 publications

(4 citation statements)

References 56 publications

(74 reference statements)

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“…Splash dispersal has been implicated as a vehicle for microbial dispersal on plant foliage (48, 49). Regarding food safety, previous work has supported subsurface irrigation as a safer method for preventing colonization of plants with enteric pathogens (50, 51). Our previous study, which modelled a contamination route via splash dispersal, found that S. enterica applied to tomato leaves via surface droplet could become internalized into the leaf apoplast (24).…”

Section: Discussionmentioning

confidence: 99%

“…Splash dispersal has been implicated as a vehicle for microbial dispersal on plant foliage (47, 48). In this study, we investigated the relationship (49, 50) between an enteric pathogen and a plant pathogen colonizing a lettuce host and examined how humidity may act on the enteric pathogen’s ability to benefit from plant disease. S. enterica was found to thrive on lettuce plants affected by bacterial spot disease ( Figures 1B-C, 2B, and 4B ).…”

Section: Discussionmentioning

confidence: 99%

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Time of arrival during plant disease progression and humidity additively influenceSalmonella entericacolonization of lettuce

Dixon,

Nellore,

Zaacks

et al. 2024

Preprint

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The interplay between plant host, phytopathogenic bacteria, and enteric human pathogens in the phyllosphere have consequences for human health.Salmonella entericahas been known to take advantage of phytobacterial infection, but there is little knowledge of additional factors that may influence the relationship between enteric pathogen and plant disease. In this study, we investigated the role of humidity and the extent of disease progression onS. entericacolonization of plants. We found that high humidity was necessary for replication ofS. entericaon diseased lettuce, but not required forS. entericaingress into the UV-protected apoplast. Additionally, theXanthomonas vitians-infected lettuce host was found to be a relatively hostile environment forS. entericawhen it arrived prior to the development of watersoaking or following necrosis onset, supporting the existence of an ideal window duringX. vitiansinfection progress that maximizes S. enterica survival. Lastly, proximity ofS. entericatoX. vitianscells may allowS. entericato benefit from cross-feeding during plant infection. Overall, this study emphasizes the role of phytobacterial disease as a driver ofS. entericasuccess in the phyllosphere, demonstrates how time of arrival during disease progress can influenceS. enterica’s fate in the apoplast, and highlights the potential for humidity to transform an infected apoplast into a growth-promoting environment for bacterial colonizers.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Time of arrival during plant disease progression and humidity additively influenceSalmonella entericacolonization of lettuce

Dixon,

Nellore,

Zaacks

et al. 2024

Preprint

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“…Salmonella can also occur on fruit and contaminate the produce [1,12,20,21]. Strawberries, due to the fact that they are in direct contact with the soil, are particularly vulnerable to Salmonella infection [22,23,24,25]. Under experimental conditions, the fungi Botrytis cinerea and Rhizopus stolonifer present on the surface of strawberries, were found to create unfavourable conditions for Salmonella enterica.…”

Section: Description Of the State Of Knowledgementioning

confidence: 99%

“…Salmonella bacteria were detected in leaves, stems and roots of spinach at the following rates, respectively: 3.56; 3.04; 4.03 log cfu ml -1 of macerated tissue solution [33]. Watering Salmonella-contaminated strawberries during the growing season resulted in severe fruit infection; it was noted that drip irrigation is a more hygienic and safer method than irrigation by sprinkling [22,25].…”

Section: Description Of the State Of Knowledgementioning

confidence: 99%

Fresh vegetables and fruit as a source of <i>Salmonella</i> bacteria

Kowalska¹

2022

Ann Agric Environ Med.

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Introduction.Increased consumer awareness of the health aspects of the diet has influenced the increased consumption of fruit and vegetables. Due to the fact that these products are mainly consumed raw and are usually not subjected to processes that reduce their microbiological contamination, they become a source of infection and transmit pathogens causing food poisoning in humans. Salmonella bacteria are a serious treat to human health and remain a serious problem in many parts of the world.Objective. The aim of this study was to review the current state of knowledge regarding the prevalence of Salmonella bacteria on fresh fruit and vegetables. Attention is also given to the mechanisms by which these bacteria adapt to colonize plants. Methods that can prevent contamination of plant products by the bacteria are also analyzed. Review Methods. The review was based on data obtained from scientific articles published in the Science Direct and Pub Med database between 2007 -2022, found with the use of the following keywords: Salmonella, fruit, vegetables, food contamination. Brief description of the state of knowledge. Data from the literature report that fresh fruit and vegetables are a source of Salmonella contamination through contact with soil, manure, compost, water or staff. Summary. Actions targeting salmonellosis prevention should be undertaken by both the public and private sectors. Government regulations and stricter measures put in place can provide a framework that guides both domestic production and international imports. Periodic training of workers dealing with food is also important. Attention should be directed mainly to production control and less to the testing of final products. Education leading to increased awareness of salmonellosis should be indispensable.

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Irrigation water and contamination of fresh produce with bacterial foodborne pathogens

Gurtler

Gibson

2022

Current Opinion in Food Science

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Internalization capacity of Salmonella enterica sv Thompson in strawberry plants via root

Cited by 5 publications

References 56 publications

Time of arrival during plant disease progression and humidity additively influenceSalmonella entericacolonization of lettuce

Time of arrival during plant disease progression and humidity additively influenceSalmonella entericacolonization of lettuce

Fresh vegetables and fruit as a source of <i>Salmonella</i> bacteria

Irrigation water and contamination of fresh produce with bacterial foodborne pathogens

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