Relation between diarrhea and infection by protozoans in dairy calves

In this study, newborn calves were selected from farms with history of protozoa infections and diarrhea. A total of 26 calves were used in the study, 18 were positives forGiardia spp., 17 forEmeria spp., and 21 forCryptosporidium spp., considering single and mixed infections. Furthermore, the survival rate of calves due to the presence of diarrhea was significantly different compared to the group without diarrhea, for all three protozoa. In addition, according to this study, it is possible to indicate that the occurrence of diarrhea is highly correlated to the presence ofGiardia sp., leading to economic losses due to a low performance and weight gain of infected animals.
Source: Comparative Clinical Pathology - Category: Pathology Source Type: research

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Authors: Savaş Şen Z, Taşar MA, Demirel Kaya F, Güneş A, Vezir E, Hızarcıoğlu Gülşen H Abstract Cryptosporidium spp. is one of the leading causes of parasitic diarrhea. It is the most common parasite in humans all over the world with Giardia. Cryptosporidium is an important cause of chronic diarrhea in Human Immunodeficiency Virus (HIV)/Acquired Immunodeficiency Syndrome (AIDS) patients. Patients with normal immune system may have an asymptomatic course or clinical presentation such as acute watery diarrhea without blood and persistent diarrhea. The severity and duration of the disease may be a re...
Source: Mikrobiyoloji Bulteni - Category: Microbiology Tags: Mikrobiyol Bul Source Type: research
Conclusion: To our knowledge, no studies have been done in these areas before. The anthroponotic transmission has an important role in giardiasis and cryptosporidiosis epidemiology in this studied area. PMID: 31673254 [PubMed]
Source: Iranian Journal of Parasitology - Category: Parasitology Tags: Iran J Parasitol Source Type: research
Publication date: Available online 29 October 2019Source: Biochimica et Biophysica Acta (BBA) - Molecular Cell ResearchAuthor(s): Gonzalo Federico Mayol, María Victoria Revuelta, Agostina Salusso, María Carolina Touz, Andrea Silvana RópoloAbstractNuclear-cytoplasmic trafficking of proteins is a highly regulated process that modulates multiple biological processes in eukaryotic cells. In Giardia lamblia, shuttling has been described from the cytoplasm to nuclei of proteins during the biological cell cycle of the parasite. This suggests that a mechanism of nucleocytoplasmic transport is present and funct...
Source: Biochimica et Biophysica Acta (BBA) Molecular Cell Research - Category: Molecular Biology Source Type: research
Shin Parasitic diseases have serious health, social, and economic impacts, especially in the tropical regions of the world. Diseases caused by protozoan parasites are responsible for considerable mortality and morbidity, affecting more than 500 million people worldwide. Globally, the burden of protozoan diseases is increasing and is been exacerbated because of a lack of effective medication due to the drug resistance and toxicity of current antiprotozoal agents. These limitations have prompted many researchers to search for new drugs against protozoan parasites. In this review, we have compiled the latest informati...
Source: Molecules - Category: Chemistry Authors: Tags: Review Source Type: research
Authors: Tolouei S, Autixier L, Taghipour M, Burnet JB, Bonsteel J, Duy SV, Sauvé S, Prévost M, Dorner S Abstract The variability of fecal microorganisms and wastewater micropollutants (WWMPs) loads in relation to influent flow rates was evaluated for a water resource recovery facility (WRRF) in support of a vulnerability assessment of a drinking water source. Incomplete treatment and bypass discharges often occur following intense precipitation events that represent conditions that deviate from normal operation. Parasites, fecal indicator bacteria, and WWMPs concentrations and flow rate were measured...
Source: Journal of Water and Health - Category: Environmental Health Tags: J Water Health Source Type: research
Abstract Giardia duodenalis is a cosmopolitan zoonotic protozoan parasite causing giardiasis, one of the most common diarrhoeal diseases in human and animals. Beyond its public health relevance, Giardia represents a valuable and fascinating model microorganism. The deep-branching phylogenetic position of Giardia, its simple life cycle and its minimalistic genomic and cellular organization provide a unique opportunity to define basal and "ancestral" eukaryotic functions. The eukaryotic 14-3-3 protein family represents a distinct example of phosphoserine/phosphothreonine-binding proteins. The extended netw...
Source: Advances in Parasitology - Category: Parasitology Authors: Tags: Adv Parasitol Source Type: research
Abstract Infection with Giardia produces a wide range of clinical outcomes. Acutely infected patients may have no overt symptoms or suffer from severe cramps, diarrhea, nausea and even urticaria. Recently, post-infectious irritable bowel syndrome and chronic fatigue syndrome have been identified as long-term sequelae of giardiasis. Frequently, recurrent and chronic Giardia infection is considered a major contributor to stunting in children from low and middle income countries. Perhaps the most unusual outcome of infection with Giardia is the apparent reduced risk of developing moderate-to-severe diarrhea due to ot...
Source: Advances in Parasitology - Category: Parasitology Authors: Tags: Adv Parasitol Source Type: research
Abstract Over the past years, the subcellular organization of the Excavata member Giardia lamblia (syn. duodenalis, intestinalis) has been investigated in considerable detail. There are several reasons for this endeavour which go beyond this parasite's medical importance and are mostly concerned with its reduced subcellular complexity and debated evolutionary status. One may say that simplification has emerged as a paradigm for the evolution of Giardia's subcellular architecture. However, a complete appreciation of the evolutionary and ecological significance of this phenomenon is far from complete. In this chapte...
Source: Advances in Parasitology - Category: Parasitology Authors: Tags: Adv Parasitol Source Type: research
uz MC Abstract The capacity of the parasite Giardia duodenalis to perform complex functions with minimal amounts of proteins and organelles has attracted increasing numbers of scientists worldwide, trying to explain how this parasite adapts to internal and external changes to survive. One explanation could be that G. duodenalis evolved from a structurally complex ancestor by reductive evolution, resulting in adaptation to its parasitic lifestyle. Reductive evolution involves the loss of genes, organelles, and functions that commonly occur in many parasites, by which the host renders some structures and functions r...
Source: Advances in Parasitology - Category: Parasitology Authors: Tags: Adv Parasitol Source Type: research
Giardiasis is a common diarrhoeal disease caused by the protozoan Giardia duodenalis. It is prevalent in low-income countries in the context of inadequate access to water, sanitation and hygiene (WASH), and is fr...
Source: Parasites and Vectors - Category: Microbiology Authors: Tags: Research Source Type: research
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