Molecular identification of  Vermamoeba vermiformis  from freshwater fish in lake Taal, Philippines

Milanez, Giovanni De Jesus; Masangkay, Frederick Ramirez; Thomas, Rey C.; Ordona, Ma Olive Grace O.; Bernales, Gabriel Q.; Corpuz, Vyana Camille M.; Fortes, Hannah Selina V.; Garcia, Charezze Margarette S.; Nicolas, Lara Camille; Nissapatorn, Veeranoot

doi:10.1016/j.exppara.2017.09.009

Cited by 19 publications

(13 citation statements)

References 31 publications

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“…Although a number of studies suggest that this FLA may not have a direct causality to diseases, it instead exists as a reservoir for other pathogenic microorganisms that exist as endocytobionts within its cytoplasm (Delafont et al 2018;Masangkay et al 2018;Scheid 2019). To add, V. vermiformis was recently isolated from the intestine of a freshwater fish; this further provides evidence of the capacity of V. vermiformis to proliferate within biological reservoirs in the environment (Milanez et al 2017). The occurrence of both B. mandrillaris (Latifi et al 2016) and V. vermiformis (Solgi et al 2012a) in hot springs as well as evidence that these FLAs can further persist and adapt growth in the said environment can be considered as a public health concern that needs to be taken into perspective.…”

Section: Naegleria Spp In Hot Springsmentioning

confidence: 97%

“…One possible explanation is the factor of aquaculture. Some studies have reported on the potentiality of freshwater fishes to act as reservoirs and enable FLAs to proliferate in freshwater sources (Franke & Mackiewicz 1982;Milanez et al 2017). While this is true in the case of freshwater sources such as lakes and rivers, it may not be the reason for water sources such as reservoirs and dams where the presence of aquaculture is unlikely.…”

Section: Isolated Flas In Hot Springs and Other Freshwater Sourcesmentioning

confidence: 99%

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Current report on the prevalence of free-living amoebae (FLA) in natural hot springs: a systematic review

Fabros

Diesta

Oronan

et al. 2021

Journal of Water and Health

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The occurrence of potentially pathogenic free-living amoebae (FLA) in natural hot springs is considered a public health concern. FLAs are known to cause serious health outcomes to a wide spectrum of mammalian hosts. The present study aimed to provide the distribution of isolated cases of FLAs in hot springs through a systematic review process of available published articles online. Relevant studies are published between January 2010 and January 2020 involving the isolation of Naegleria spp., Acanthamoeba spp., Balamuthia spp., Sappinia spp., and Vermamoeba spp. in natural hot springs in the United States, South America, North America, Europe, Asia, and Africa. Articles were identified through a search of PubMed and Google Scholar databases. Out of 94 articles screened, a total of 20 articles are included in the study with consideration of established inclusion and exclusion criteria. The most common FLAs isolated in hot springs are Acanthamoeba spp. (134; 48.5%) and Naegleria spp. (127; 46.0%). Other FLAs isolated in hot springs include Balamuthia spp. (2; 0.7%) and Vermamoeba spp. (13; 4.7%). FLA in hot springs used for recreational and medical purposes is a potential source of infection. It is recommended that strict surveillance and maintenance of hot springs be implemented to prevent potential future infection.

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Section: Naegleria Spp In Hot Springsmentioning

confidence: 97%

Section: Isolated Flas In Hot Springs and Other Freshwater Sourcesmentioning

confidence: 99%

Current report on the prevalence of free-living amoebae (FLA) in natural hot springs: a systematic review

Fabros

Diesta

Oronan

et al. 2021

Journal of Water and Health

View full text Add to dashboard Cite

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“…Rivers, fountain water, and lakes are reported habitats of V . vermiformis (Chelkha et al, 2020; Filippo et al, 2015; Ji et al, 2014; Kang et al, 2020; Milanez et al, 2017; Reyes‐Batlle et al, 2016). The amoeba was also recovered from certain engineered hydric environments: jacuzzi water and swimming pools (Delafont et al, 2018; Reyes‐Batlle et al, 2016).…”

Section: Epidemiologymentioning

confidence: 99%

The increasing importance of Vermamoebavermiformis

Siddiqui

Makhlouf

Khan

2021

J Eukaryotic Microbiology

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Vermamoeba vermiformis are one of the most prevalent free‐living amoebae. These amoebae are ubiquitous and also thermotolerant. Of concern, V. vermiformis have been found in hospital water networks. Furthermore, associations between V. vermiformis and pathogenic bacteria have been reported, such as Legionella pneumophila. Moreover, V. vermiformis are well known to host viruses, bacteria, and other microorganisms and cases of keratitis due to V. vermiformis in conjunction with other amoebae have been reported. Despite the preceding, the medical importance of V. vermiformis is still an ongoing discussion and its genome has been only recently sequenced. Herein, we present a review of the current understanding of the biology and pathogenesis pertaining to V. vermiformis, as well as its’ role as an etiological agent and trojan horse. An approach known as theranostics which combines both diagnosis and therapy could be utilized to eradicate and diagnose keratitis cases caused by such amoebae. Given the rise in global warming, it is imperative to investigate these rarely studied amoebae and to understand their importance in human health.

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“…The highest level of SCFA was reported in the posterior intestine of Oreochromis sp. Free living Amoebae are ubiquitous in freshwater fish Oreochromis niloticus (Milanez et al, 2017) and its infection poses a public health problems due to possible human consumption. Beneficial gut microbiota reported in various freshwater fish are presented in Table .1 Tsuchiya et al, 2008Rai et al, 2011Roeselers et al, 2011Mandal and Ghosh, 2013Larsen et al, 2014…”

Section: Gut Microbiota Of Freshwater Fishmentioning

confidence: 99%

Importance of gut microbiota in fish – A review

Uma¹,

Subash²,

Abraham³

2020

ijah

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The microbiota are normally involved in numerous factors concerned with the health of the fishes in their environment and many of them can also cause threats to the same. In fish, the gut microbiota inhabiting the gastrointestinal tract influence the physiology, nutrition, life span, immunity, besides acting as a barrier against pathogens. Although gut microbiotas are present in all the fish, their composition varies based on their life stages, the environment in which they live, diet, seasons, trophic levels, etc. There are numerous studies related to the intestinal microbiota of freshwater, marine fish and in various life stages of fish. But the knowledge on the microbiota in aquatic ecosystem is yet to be explored. Researches in this field will pave way to the develop techniques to manipulate the gut microbiota of the desired fish species of culture to improve their growth and production. This review is intended to provide collective information on the gut microbiota in fish, their development, dynamics in the living environment and their manipulation towards improving production and sustainability in the field of fisheries.

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Molecular identification of Vermamoeba vermiformis from freshwater fish in lake Taal, Philippines

Cited by 19 publications

References 31 publications

Current report on the prevalence of free-living amoebae (FLA) in natural hot springs: a systematic review

Current report on the prevalence of free-living amoebae (FLA) in natural hot springs: a systematic review

The increasing importance of Vermamoebavermiformis

Importance of gut microbiota in fish – A review

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