Anticandidal effect of endophytic bacteria isolated from Equisetum arvense L. against Candida albicans and Candida glabrata

Das, Gitishree; Patra, Jayanta Kumar; Choi, Jaehyuk; Baek, Kwang-Hyun

doi:10.1590/1678-4324-2017160433

Cited by 5 publications

(4 citation statements)

References 44 publications

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“…They concluded that E. arvense could be a valuable source for natural anti-candidate agents. 37 The results of a study by de Oliveira et al about the effects of E. arvense and P. granatum peel extracts on C. albicans biofilm were also quite consistent with the results of the inoculation study. 38 In a study, Menezes et al evaluated the efficacy of hydroalcoholic Pomegranate extract on orthodontic dental plaques in 60 patients and compared to CHX as a standard.…”

Section: Discussionsupporting

confidence: 75%

In Vitro Antimicrobial and Cytotoxicity Activities of Some Medicinal Plant Extracts against Oral Microbial Pathogens

Amirinia¹,

rad²,

Pourhajibagher³

2021

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Introduction: Medicinal plants have long been of great interest to scientists in the search for the best treatment of diseases, especially the infectious diseases. In recent years, the use of herbal medicines has become more well-known because of their antimicrobial, antifungal, anti-cancer and less side effects. Aim: The aim of this study was to investigate the antimicrobial and antifungal effects of Urtica dioica, Equisetum arvense, and Punica Granatum peel extracts on two common oral microorganisms, Streptococcus mutans and Candida albicans. Materials and methods: The study investigated the hydro-alcoholic extract of the plants. The antimicrobial activity of the extracts was evaluated using the method of measuring the inhibition of microorganisms, and the minimum inhibitory concentration (MIC) and the minimum bactericidal concentration (MBC) were determined using different concentrations of the extracts and also biofilm assay and SEM were determined. Also cell viability was assessed by MTT assay on human gingival fibroblast cells. Results: The lowest MIC against S. mutants and C. albicans was related to the hydro-alcoholic extract of U. dioica. There was a significant reduction in the microbial biofilms by all three extracts. Among them, U. dioica could decrease the biofilms of S. mutans and C. albicans more than other extracts. In addition, the best results for growth inhibition zone were the hydro-alcoholic extracts of E. arvense and U. dioica with 35 and 30 mm growth zone, respectively. The results of SEM showed that P. granatum peel, U. dioica and E. arvense could destroy microbial biofilms without exerting any cytotoxic effects on HGF cell. Conclusions: The results of the study suggest that U. dioica, E. arvense, and P. Granatum peel extracts can be used as mouthwash with the least significant difference with routine mouthwashes. Also, the plant-based mouthwashes may be more suitable substitutes for chemical types in the future.

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Section: Discussionsupporting

confidence: 75%

In Vitro Antimicrobial and Cytotoxicity Activities of Some Medicinal Plant Extracts against Oral Microbial Pathogens

Amirinia¹,

rad²,

Pourhajibagher³

2021

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“…Psychrobacillus soli could degrade around 72% of oil components at an initial oil concentration of 1500 ppm [ 35 ]. Among ten endophytic bacteria, Psychrobacillus insolitus and Curtobacterium oceanosedimentum showed the highest anticandidal effect against Candida albicans and C. glabrata [ 36 ], while two strains of P. insolitus (Mam2 and Ame3) exhibited an inhibitory action against staphylococcal strains isolated from food [ 37 ].…”

Section: Resultsmentioning

confidence: 99%

Bacterial Microbiota Isolated from Cysts of Globodera rostochiensis (Nematoda: Heteroderidae)

Oro

Knežević²,

Dinić³

et al. 2020

Plants

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The potato cyst nematode (PCN) Globodera rostochiensis is a plant parasite of potato classified into a group of quarantine organisms causing high economic losses worldwide. Due to the long persistence of the parasite in soil, cysts harbor numerous bacteria whose presence can lead to cyst death and population decline. The cysts of G. rostochiensis found in two potato fields were used as a source of bacteria. The universal procedure was applied to extract DNA from bacteria which was then sequenced with 16S primers. The aims of the study were to identify bacterial microbiota associated with the PCN populations and to infer their phylogenetic relationships based on the maximum likelihood and Bayesian phylogeny of the 16S sequences. In addition, the impact of the most significant climate and edaphic factors on bacterial diversity were evaluated. Regarding the higher taxonomy, our results indicate that the prevalent bacterial classes were Bacilli, Actinobacteria and Alphaproteobacteria. Phylogenetic analyses clustered Brevibacterium frigoritolerans within the family Bacillaceae, confirming its recent reclassification. Long-term climate factors, such as air temperature, insolation hours, humidity and precipitation, as well as the content of soil organic matter, affected the bacterial diversity. The ability of cyst nematodes to persist in soil for a long time qualifies them as a significant natural source to explore the soil bacterial microbiota.

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“…None of the previous studies explicitly targeted the documentation of the bacteria communities colonizing the leaf endosphere using a high throughput sequencing approach. Instead, several studies employed the more traditional approach to cultivate bacteria to discover strains with antimicrobial activities ( Das et al, 2017a , b , c , 2018 ), or to document the variation used by growth regimes ( de Araújo-Barros et al, 2010 ). 16S rRNA sequences were utilized in several studies, but these studies were designed to address particular research foci such as the discovery of chloromethane degraders ( Jaeger et al, 2018 ; Kroeber et al, 2021 ) or heavy-metal resistant strains ( Zhu et al, 2014 ; Xu et al, 2016 ; Gu et al, 2018 ; Antenozio et al, 2021 ).…”

Section: Discussionmentioning

confidence: 99%

“…Arguably, the best-studied microbiomes of ferns are associated with the water fern Azolla filiculloides ( Dijkhuzien et al, 2017 ; Banach et al, 2020 ), the arsenic hyperaccumulator Pteris vittata ( Zhu et al, 2014 ; Xu et al, 2016 ; Gu et al, 2018 ; Yang et al, 2020 ; Antenozio et al, 2021 ), and the xeric fern Pellaea calomelanos ( Mahlangu and Serepa-Dlamini, 2018a , b ; Tshishonga and Serepa-Dlamini, 2019 , 2020 ; Diale et al, 2021 ). The later studies explicitly focused on the genomes of cultivated endophytic bacteria, whereas other studies explored specifically antibacterial properties ( Das et al, 2017a , b , c , 2018 ), growth-promoting abilities ( Mukherjee et al, 2017 ; Rakshit and Sukul, 2021a , b ), and ecological aspects in general ( Jackson et al, 2006 ; de Araújo-Barros et al, 2010 ; Li F. et al, 2019 ). Enhancing our understanding of the endophytic bacterial communities are expected to specify the evolutionary history of the origin of the bacterial proteins such as Tma12 recovered in some fern genomes ferns arguably as a consequence of horizontal gene transfer ( Li F. W. et al, 2019 ; Yadav et al, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

Bacterial Microbiome in the Phyllo-Endosphere of Highly Specialized Rock Spleenwort

Masocha

Zhan

et al. 2022

Front. Plant Sci.

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Bacteria communities associated with plants have been given increasing consideration because they are arguably beneficial to their host plants. To understand the ecological and evolutionary impact of these mutualistic associations, it is important to explore the vast unknown territory of bacterial genomic diversity and their functional contributions associated with the major branches of the tree-of-life. Arguably, this aim can be achieved by profiling bacterial communities by applying high throughput sequencing approaches, besides establishing model plant organisms to test key predictions. This study utilized the Illumina Miseq reads of bacterial 16S rRNA sequences to determine the bacterial diversity associated with the endosphere of the leaves of the highly specialized rock spleenwort Asplenium delavayi (Aspleniaceae). By documenting the bacterial communities associated with ferns collected in natural occurrence and cultivation, this study discovered the most species-rich bacterial communities associated with terrestrial ferns reported until now. Despite the substantial variations of species diversity and composition among accessions, a set of 28 bacterial OTUs was found to be shared among all accessions. Functional analyses recovered evidence to support the predictions that changes in bacterial community compositions correspond to functional differentiation. Given the ease of cultivating this species, Asplenium delavayi is introduced here as a model organism to explore the ecological and evolutionary benefits created by mutualistic associations between bacteria and ferns.

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Anticandidal effect of endophytic bacteria isolated from Equisetum arvense L. against Candida albicans and Candida glabrata

Abstract: ABSTRACT

Cited by 5 publications

References 44 publications

In Vitro Antimicrobial and Cytotoxicity Activities of Some Medicinal Plant Extracts against Oral Microbial Pathogens

In Vitro Antimicrobial and Cytotoxicity Activities of Some Medicinal Plant Extracts against Oral Microbial Pathogens

Bacterial Microbiota Isolated from Cysts of Globodera rostochiensis (Nematoda: Heteroderidae)

Bacterial Microbiome in the Phyllo-Endosphere of Highly Specialized Rock Spleenwort

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