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Protozoa - Science topic

Protozoa are a diverse group of unicellular eukaryotic organisms, many of which are motile.
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This study aimed to determine the effects of fermentation parameters of sunflower oil, vegetable oil blend, palm oil and chicken oil addition to sunflower meal, wheat grain, alfalfa herbage and corn silage at different rates (4% and 6%, dry matter basis). The oil supplementation up to 6% rate to the alfalfa herbage and corn silage did not adversely...
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Aim The aim of this investigation is to detect potential inhibitor for visceral leishmaniasis through computational analysis. Background Leishmaniasis is categorized as a vector born pathogenic infection prevalent in tropical, subtropical, and in Mediterranean zones spread by intra-macrophage protozoa. The clinical syndrome of leishmaniasis is div...
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Background Ticks are hematophagous parasites that transmit an extensive range of pathogens to their vertebrate hosts. Ticks can destroy invading microorganisms or alleviate infection via their rudimentary but orchestrated innate immune system. Antimicrobial peptides (AMPs) are important components of tick innate immunity. Among these humoral effect...
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Selective constraint and pressures upon the host tissues often signifies a beneficial microbiome in any species. In the context of oral microbiome this displays a healthy microbial cosmos resisting the colonization and helps in rendering protection. This review highlights the endeavors of the oral microbiome beyond the bacteriome encompassing virom...
Research
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Controlling of some diseases in honeybee Apis mellifera L. (Hymenoptera: Apidae) colonies such as bacterium (Paenibacillus larvae), fungus (Aspergillus flavus), protozoa (Nosema apis), mite (Varroa destructor) and the monitoring activities of honeybee colonies after controlling by bee venom had performed. Feeding with bee venom solution gave the hi...
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Controlling of some diseases in honeybee Apis mellifera L. (Hymenoptera: Apidae) colonies such as bacterium (Paenibacillus larvae), fungus (Aspergillus flavus), protozoa (Nosema apis), mite (Varroa destructor) and the monitoring activities of honeybee colonies after controlling by bee venom had performed. Feeding with bee venom solution gave the hi...
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Reptiles are frequently kept as pet animals. They are considered as important reservoirs of protozoa with veterinary-medical significance. At a reptile farm in Ireland, fecal samples were collected from 98 captive reptiles, representing 43 species of three orders (Squamata, Testudines, and Crocodylia). After DNA extraction, all samples were screene...
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This study aimed to investigate the effect of substitution of siris foliage with alfalfa forage in the diet of fattening lambs on digestibility, fermentation, and growth performance of fattening lambs. In the present experiment, 27 8-month-old Arabi lambs (31.3 ± 6) with an initial weight of 28.8 ± 1.99 kg were used in a completely randomized desig...
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Based on biological traits, the ecological quality status under the pressure of two harmful algal bloom (HAB) species was evaluated using functional units (FUs) of periphytic protozoan communities. Five treatments with different concentrations of Alexandrium tamarense and Gymnodinium catenatum, i.e., 10⁰, 10², 10³, 10⁴, and 10⁵ cells ml⁻¹, were use...
Article
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Controlling of some diseases in honeybee Apis mellifera L. (Hymenoptera: Apidae) colonies such as bacterium (Paenibacillus larvae), fungus (Aspergillus flavus), protozoa (Nosema apis), mite (Varroa destructor) and the monitoring activities of honeybee colonies after controlling by bee venom had performed. Feeding with bee venom solution gave the hi...
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Background Few studies have molecularly characterized the potential zoonotic protozoa, Cryptosporidium spp., Giardia duodenalis and Enterocytozoon bieneusi in sheep and goats in China, therefore total 472 fecal samples were collected from eight provinces and infection rates of three protozoa were determined by PCR analysis of corresponding loci. Al...
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There is a scope to study protozoan infections in adult ewes and does, as these animals can act as reservoirs of infection for lambs and kids, for which these pathogens are harmful. The objectives of this study were to describe the prevalence of protozoan infections in faecal samples from adult sheep and goats on dairy farms across Greece and to ev...
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The invention of CRISPR-Cas9 technology has opened a new era in which genome manipulation has become precise, faster, cheap and more accurate than previous genome editing strategies. Despite the intricacies of the genomes associated with several protozoan parasites, CRISPR-Cas9 has made a substantial contribution to parasitology. The study of funct...
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This study aimed to identify the mortality present in private fish farm Amyloodinium ocellatum and Cryptocaryon irritans were isolated from this outbreak affecting Liza carinata fingerlings at an earthen-based aquaculture facility in Damietta, Egypt. A total of 140 moribunds, L. carinata, were collected from the fish ponds during the mortality even...
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It is known that the bacterial gut microbiome is altered in inflammatory bowel disease (IBD), but far less is known about the role of eukaryotic microorganisms in IBD. While eukaryotes are rarer than bacteria within the gastrointestinal environment, the current literature suggests that they may also be implicated in IBD. In our study, we characteri...
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Microbes are a huge contributor to people’s health around the world since they produce a lot of beneficial secondary metabolites. Cyanobacteria are photosynthetic prokaryotic bacteria cosmopolitan in nature. Adaptability of cyanobacteria to wide spectrum of environment can be contributed to the production of various secondary metabolites which are...
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p> Swamp buffalo ( Bubalus bubalis ) play an important role in supporting the economy and social life of the community in the East Sumba Regency. The prevalence and intensity One of the diseases still a health problem in livestock, including buffalo, is parasite infection. Research on cases of parasite infection in buffaloes in the East Sumba Regen...
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This research examines the impact of adding dried coffee cherry pulp (CoCP) to goat feed on the digestibility of the feed, rumen fermentation, hematological, and nitrogen balance. A goat feeding experiment employed four male crossbreds (Thai Native × Anglo Nubian) aged 12 months and weighing 21.0 ± 0.2 kg each. The treatment was conceived as a 4 ×...
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Zoonotic diseases have a large share among all infectious diseases. The animals can be a source of the spread of a large variety of pathogens to humans leading to morbidities and mortalities. Rodents are commonly found in mammals all over the world. A large number of rodents live in close association with humans having a competitive symbiosis for f...
Presentation
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Zooplankton plays an important role in aquatic ecosystem. They are assisting the economy in fish culture. Zooplanktons are the grazers of the phytoplankton and a food base for the carnivorous as well as omnivorous fishes. Zooplankton diversity reflects the quality of water also they are good indicators of the changes in water quality because they a...
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Actin is one of the most prevalent proteins in cells, and its amino acid sequence is remarkably conserved from protozoa to humans. The polymerization-depolymerization cycle of actin immediately below the plasma membrane regulates cell function, motility, and morphology. It is known that actin and other actin-binding proteins are targets for reactiv...
Article
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Water contamination is a global health problem, and the need for safe water is ever-growing due to the public health implications of unsafe water. Contaminated water could contain pathogenic bacteria, protozoa, and viruses that are implicated in several debilitating human diseases. The prevalence and survival of waterborne viruses differ from bacte...
Article
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Leishmaniasis is a neglected tropical disease caused by parasitic intracellular protozoa of the genus Leishmania. The visceral form of this disease caused by Leishmania donovani continues to constitute a major public health crisis, especially in countries of endemicity. In some cases, it is asymptomatic and comes with acute and chronic clinical out...
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Toxoplasma gondii is a worldwide food-borne protozoa that has harmful influences on animal and human health. Raw milk containing T. gondii has been considered as one of the possible infectious sources for humans. Although China is one of the world’s leading milk consumers, there is still no study to investigate the seroprevalence of T. gondii in ra...
Article
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Intestinal protozoan infection is a persisting public health problem affecting the populations of developing countries in the tropical and subtropical regions. The diagnosis of intestinal protozoa remains a challenge especially in developing countries due to a shortage of laboratory facilities, limited health funding, and the remoteness of communit...
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Aquaculture parasite biodiversity depends on multiple environmental characteristics, including water quality. The analysis of this relationship aims to support improvements in the production management of tilapia. For this purpose, a total of 100 juvenile fishes (Oreochromis spp.) and 30 water samples were collected at Valle del Mezquital in the Ce...
Article
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Visceral Leishmaniasis (VL) is a vector-borne disease caused by an intracellular protozoa of the genus Leishmania that can be lethal if not treated. VL is caused by Leishmania donovani in Asia and in Eastern Africa, where the pathogens’ reservoir is represented by humans, and by Leishmania infantum in Latin America and in the Mediterranean area, wh...
Article
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This study, which was conducted in the city of Mosul, through collected 1200 samples from the stool of patients with diarrhea attending hospitals and private clinics for the period from the beginning of January 2019 to the end of December 2019, those whose ages ranged from less than a year-60 year, and for both sexes and by reality 700 samples stoo...
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The use of feed additives based on the so-called “phytobiotics” and a complex of trace elements is a promising direction in the nutrition of farm animals and birds. However, along with the positive characteristics associated with the increase in body weight, environmental friendliness of production, etc., these biologically active additives may hav...
Conference Paper
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This work reports some relationships that we have identified between different rumen ciliate protozoa genera and in vitro gas and methane production of the rumen content of young beef bulls
Presentation
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This presentation reports some relationships between rumen ciliate protozoa and lamb carcass and meat quality traits. It corresponds to the conference abstract "Relationships between the rumen ciliate protozoa, carcass characteristics and lamb meat quality" presented in 73 rd EAAP Congress, Porto, September 2022.
Conference Paper
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This works reports some links observed between the rumen ciliate protozoa community and lamb carcass and meat quality traits
Article
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Gastrointestinal parasites are frequently encountered in captive non-human primates and infestation may have severe consequences on the animal’s health status. Most of these parasites are also transmissible to humans. Nevertheless, little is known about the prevalence and monitoring modalities of gastrointestinal parasitoses in non-human primates h...
Presentation
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This presentation reports some relationships that we have identified between different rumen ciliate protozoa genera and in vitro gas and methane production of the rumen content of young beef bulls. It corresponds to the Conference paper (EAAP 2022) " Are all the rumen ciliate protozoa equally related with the enteric methane emissions of ruminants...
Article
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Hypoxia-inducible factors (HIFs) are transcription factors that initiate the expression of cellular processes to cope with hypoxic conditions. HIFs are principal regulators of hypoxic adaptation, regulating gene expression involved in glycolysis, erythropoiesis, angiogenesis, proliferation, and stem cell function under low O 2 . HIFs may play a piv...
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One of the most important components of the Atlas of Living Australia (ALA) is our taxonomic backbone, comprised of an index of species names with a suite of web services for matching names and delivering information for our species pages. The index is built by merging lists from multiple Australian authoritative taxonomic sources into a single tax...
Article
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Rumen acidosis is the consequence of feeding rapidly fermentable grain diets and it is considered the most common nutritional disorder in intensive feeding ruminants. Due to that mechanism of catabolism and transformation is driven by multi-factors, the role of ruminal lactate and its contribution to subacute rumen acidosis has not been well define...
Article
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During faunal studies of psammophilic ciliates along the coast of Qingdao, China, several marine karyorelictean species were isolated. Among them, four species within the genus Remanella were investigated, including two species new to science: i.e., R. rugosa, Remanella elongata sp. nov., Remanella aposinica sp. nov., and R. unicorpusculata. Remane...
Article
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The physical barrier of the intestine and associated mucosal immunity maintains a delicate homeostatic balance between the host and the external environment by regulating immune responses to commensals, as well as functioning as the first line of defense against pathogenic microorganisms. Understanding the orchestration and characteristics of the i...
Article
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Bumblebees (Bombus spp.) are an essential element of the ecosystem and the global economy. They are valued pollinators in many countries around the word. Unfortunately, there has been a decline in the bumblebee population, which is attributed to, among others, pathogens and reduced access to food due to the loss of natural nesting sites. Lotmaria p...
Conference Paper
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Aim: Goats are the mainstay of pro-poor dairy enterprises in several parts of the world, including many states of India. The present study aimed to evaluate the effect of dietary supplementation with microencapsulated garlic oil (MeGO) on feed efficiency and emissions of lactating goats. Methods: Twelve lactating Berari goats, stall-fed on a conven...
Article
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Metabolic syndrome is a cluster of risk factors for cardiovascular disease afflicting more than 1 billion people worldwide and is increasingly being identified in younger age groups and in socioeconomically disadvantaged settings in the global south. Enteropathogen exposure and environmental enteropathy in infancy may contribute to metabolic syndro...
Article
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With the global reach of the Neglected Tropical Disease leishmanaisis increasing, coupled with a tiny armoury of therapeutics which all have problems with resistance, cost, toxicity and/or administration, the validation of new drug targets in the causative insect vector borne protozoa Leishmania spp is more important than ever. Before the introduct...
Article
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Choanoflagellates are primitive protozoa used as models for animal evolution. They express a large variety of multi-domain proteins contributing to adhesion and cell communication, thereby providing a rich repertoire of molecules for biotechnology. Adhesion often involves proteins adopting a β-trefoil fold with carbohydrate-binding properties there...
Article
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Coronavirus disease 2019 (COVID-19) is a current global illness triggered by severe acute respiratory coronavirus 2 (SARS-CoV-2) leading to acute viral pneumonia, acute lung injury (ALI), acute respiratory distress syndrome (ARDS), and cytokine storm in severe cases. In the COVID-19 era, different unexpected old drugs are repurposed to find out eff...
Article
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Aegerolysins are remarkable proteins. They are distributed over the tree of life, being relatively widespread in bacteria and fungi, but also present in some insects, plants, protozoa, and viruses. Despite their abundance in cells of certain developmental stages and their presence in secretomes, only a few aegerolysins have been studied in detail....
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Burullus Lake is the second largest of Egypt’s northern lakes, connected with the Mediterranean Sea through the El-Boughaz opening. The objective of this study aimed to evaluate water pollution in Burullus Lake drains and its relationship to zooplankton diversity, chlorophyll-a, in addition to Eutrophication status. Furthermore, a GIS model was app...
Article
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Trypanosomatids, which include major pathogens of humans and livestock, are flagellated protozoa for which cell cycle controls and the underlying mechanisms are not completely understood. Here, we describe a genome-wide RNA-interference library screen for cell cycle defects in Trypanosoma brucei. We induced massive parallel knockdown, sorted the pe...
Article
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Editorial on the Research Topic Microbiome genomics for livestock production In the Anthropocene era we are living in, the environmental impact caused by the livestock industry must be addressed while meeting the feed standards required by the global population. These goals can be achieved through the improvement of key production phenotypes (i.e.,...
Article
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Using local sources (roof runoff, stormwater, graywater, and onsite wastewater) to meet non-potable water demands can minimize potable water use in buildings and increase supply reliability. In 2017, an Independent Advisory Panel developed a risk-based framework to identify pathogen log reduction targets (LRTs) for onsite non-potable water systems...
Article
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Free-living amoebae (FLA) are widely distributed protozoa in nature, known to cause severe eye infections and central nervous system disorders. There is growing attention to the potential role that these protozoa could act as reservoirs of pathogenic bacteria and, consequently, to the possibility that, the persistence and spread of the latter may b...
Article
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Ruminal acidosis is a type of metabolic disorder of high-yielding ruminants which is associated with the consumption of a high-grain diet. It not only harms the productive efficiency, health and wellbeing of the animals but also has detrimental effects on the economy of the farmers. Various strategies have been adapted to control ruminal acidosis....
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The COVID-19 pandemic and the related measures brought a change in daily life that affected the characteristics of the municipal wastewater and further, of the biological activated sludge. The activated sludge process is the most widely used biological wastewater treatment process in developed areas. In this paper, we aim to show the situation of s...
Article
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The protozoa Leishmania donovani causes visceral leishmaniasis(kala-azar), the third most common vector-borne disease.The visceral organs, particularly the spleen, liver, and bone marrow, are affected by the disease. The lack of effective treatment regimens makes curing and eradicating the disease difficult.The availability of complete L. donovani...
Article
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Silkworm Bombyx mori is an economically important monophagous insect which is thoroughly domesticated by providing all the requisites for its growth and survival. Due to domestication over centuries, silkworms have become very gentle and delicate to the environmental conditions and different types of micro-pathological agents. The microorganisms su...
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Background: In addition to human cells, healthy gums contain a variety of bacteria, fungi, and protozoa that may contribute to unhealthy sites. The effect of pathogens lysis or other immune cell lysis needs to be clarified in order to expand the current pathophysiological pattern of periodontitis. The purpose of this study was to survey the prevale...
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Blastocystis sp. is known to be the most prevalent parasite in fecal samples of humans worldwide. In the present report, a case–control study (1:9.89 (≈10)) was performed, by analyzing data from 3682 patients who attended a public hospital in the northern area of Spain showing gastrointestinal symptoms. Diagnosis was performed in human fecal sample...
Article
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The seroprevalence of Sarcocystis spp. and Toxoplasma gondii was researched in swine raised in Santa Maria, RS, Brazil. Serum samples from 84 pigs from 31 farms were tested using indirect immunofluorescence assay (IFA) for both agents. Additionally, 53 samples of pork sausages and tissues destined for human consumption, including: salami, sausage,...
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Chagas disease, caused by the protozoa Trypanosoma cruzi, is an important yet neglected disease that represents a severe public health problem in the Americas. Although the alteration of natural habitats and climate change can favor the establishment of new transmission cycles for T. cruzi, the compound effect of human-modified landscapes and curre...
Article
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There is an increasing pressure to identify natural feed additives that improve the productivity and health of livestock, without affecting the quality of derived products. The objective of this study was to evaluate the effects of dietary supplementation with essential oils (EOs) on productive performance, rumen parameters, serum metabolites, and...
Article
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We analyzed the dietary composition of Polypedilum larvae among two contrasting habitats (river and weir). Our approach was (i) to apply eDNA-based sampling to reveal the gut content of the chironomid larvae, (ii) the diversity of gut contents in the two aquatic habitats, and (iii) assessment of habitat sediment condition with the food sources in t...