The effect of soil properties on the preservation and reproduction of Listeria and Yersinia

Сидоренко, М. Л.; Бузолева, Л. С.; Костенков, Н. М.

doi:10.1134/s1064229306020128

Cited by 8 publications

(5 citation statements)

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“…We expected humic substances play role in cellulase production. Our result was confirmed by previous report that humic substances might affect metabolism of bacteria and stimulated their growth (20)(21)(22). Some mechanism to explain humic substances interaction to organism has been investigated (23).…”

Section: Discussionsupporting

confidence: 92%

Peatland Bacteria as Alternative Sources for Cellulase (Bakteri Gambut Sebagai Sumber Alternatif Selulase)

Kurniawan

2015

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This research has been conducted to isolate and identify cellulolytic bacteria from peatland in Pontianak, Kalimantan Barat. We found that 9 of 18 bacterial isolates possessed cellulolytic activity. Active isolates showed hydrolytic zone around bacterial colonies on agar plates when they was grown on media containing of 1% of carboxymethyl cellulose (CMC). Three isolates, namely Yersinia pseudotuberculosis RAG21, Yersinia pseudotuberculosis RAG25, and Proteus penneri RAG31 displayed largest diameter ratio of hydrolytic zone to colony, which were 2.730.15, 2.610.15, and 4.140.30 respectively. The cellulase produced and exhibit activity in acidic medium containing humic substances.

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Section: Discussionsupporting

confidence: 92%

Peatland Bacteria as Alternative Sources for Cellulase (Bakteri Gambut Sebagai Sumber Alternatif Selulase)

Kurniawan

2015

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“…The long-term survival could be related to the soil texture and especially clay content. The report by Locatelli et al and others evidenced that the pH of the soil is a major driver of the fate of L. monocytogenes in soil (Weis and Seeliger, 1975 ; Sidorenko et al, 2006 ; McLaughlin et al, 2011 ; Locatelli et al, 2013b ).…”

Section: Introductionmentioning

confidence: 99%

Listeria monocytogenes, a down-to-earth pathogen

Vivant

Garmyn

Piveteau

2013

Front. Cell. Infect. Microbiol.

160

116

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Listeria monocytogenes is the causative agent of the food-borne life threatening disease listeriosis. This pathogenic bacterium received much attention in the endeavor of deciphering the cellular mechanisms that underlie the onset of infection and its ability to adapt to the food processing environment. Although information is available on the presence of L. monocytogenes in many environmental niches including soil, water, plants, foodstuff and animals, understanding the ecology of L. monocytogenes in outdoor environments has received less attention. Soil is an environmental niche of pivotal importance in the transmission of this bacterium to plants and animals. Soil composition, microbial communities and macrofauna are extrinsic edaphic factors that direct the fate of L. monocytogenes in the soil environment. Moreover, farming practices may further affect its incidence. The genome of L. monocytogenes presents an extensive repertoire of genes encoding transport proteins and regulators, a characteristic of the genome of ubiquitous bacteria. Postgenomic analyses bring new insights in the process of soil adaptation. In the present paper focussing on soil, we review these extrinsic and intrinsic factors that drive environmental adaptation of L. monocytogenes.

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“…Our data show that the genomic divergence of Listeria species and L. monocytogenes lineages is associated with different combinations of soil, climate, and land-use variables. Besides some edaphic factors (e.g., pH, moisture) known to be important to L. monocytogenes [ 11 , 57 , 58 ], we identified several other soil variables (e.g., concentrations of aluminum, iron, organic matter) as well as climate and land-use variables (e.g., precipitation, grassland proportion) that haven’t been frequently linked to the ecology and evolution of L. monocytogenes in soil. In addition, we found that climate variables were particularly important for non-pathogenic Listeria species, including L. seeligeri and L. innocua , which may directly or indirectly trigger adaptations in these species [ 59 ].…”

Section: Discussionmentioning

confidence: 99%

Comparative genomics unveils extensive genomic variation between populations of Listeria species in natural and food-associated environments

Liao,

Guo,

et al. 2023

ISME Communications

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Comprehending bacterial genomic variation linked to distinct environments can yield novel insights into mechanisms underlying differential adaptation and transmission of microbes across environments. Gaining such insights is particularly crucial for pathogens as it benefits public health surveillance. However, the understanding of bacterial genomic variation is limited by a scarcity of investigations in genomic variation coupled with different ecological contexts. To address this limitation, we focused on Listeria, an important bacterial genus for food safety that includes the human pathogen L. monocytogenes, and analyzed a large-scale genomic dataset collected by us from natural and food-associated environments across the United States. Through comparative genomics analyses on 449 isolates from the soil and 390 isolates from agricultural water and produce processing facilities representing L. monocytogenes, L. seeligeri, L. innocua, and L. welshimeri, we find that the genomic profiles strongly differ by environments within each species. This is supported by the environment-associated subclades and differential presence of plasmids, stress islands, and accessory genes involved in cell envelope biogenesis and carbohydrate transport and metabolism. Core genomes of Listeria species are also strongly associated with environments and can accurately predict isolation sources at the lineage level in L. monocytogenes using machine learning. We find that the large environment-associated genomic variation in Listeria appears to be jointly driven by soil property, climate, land use, and accompanying bacterial species, chiefly representing Actinobacteria and Proteobacteria. Collectively, our data suggest that populations of Listeria species have genetically adapted to different environments, which may limit their transmission from natural to food-associated environments.

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The effect of soil properties on the preservation and reproduction of Listeria and Yersinia

Cited by 8 publications

References 1 publication

Peatland Bacteria as Alternative Sources for Cellulase (Bakteri Gambut Sebagai Sumber Alternatif Selulase)

Peatland Bacteria as Alternative Sources for Cellulase (Bakteri Gambut Sebagai Sumber Alternatif Selulase)

Listeria monocytogenes, a down-to-earth pathogen

Comparative genomics unveils extensive genomic variation between populations of Listeria species in natural and food-associated environments

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