Algae blooms with resistance in fresh water: Potential interplay between Microcystis and antibiotic resistance genes.

Microcystis, a type of cyanobacteria known for producing microcystins (MCs), is experiencing a global increase in blooms. They have been recently recognized as potential contributors to the widespread of antibiotic resistance genes (ARGs). By reviewing approximately 150 pieces of recent studies, a hypothesis has been formulated suggesting that significant fluctuations in MCs concentrations and microbial community structure during Microcystis blooms could influence the dynamics of waterborne ARGs.

PacBio next-generation sequencing uncovers Apicomplexa diversity in different habitats.

The phylum Apicomplexa comprises a large group of intracellular protozoan parasites. These microorganisms are known to infect a variety of vertebrate and invertebrate hosts, leading to significant medical and veterinary conditions such as toxoplasmosis, cryptosporidiosis, theileriosis, and eimeriosis. Despite their importance, comprehensive data on their diversity and distribution, especially in riverine environments, remain scant.

Fate of Cryptosporidium and Giardia through conventional and compact drinking water treatment plants.

Over the past three decades, a notable rise in the occurrence of enteric protozoan pathogens, especially Giardia and Cryptosporidium spp., in drinking water sources has been observed. This rise could be attributed not only to an actual increase in water contamination but also to improvements in detection methods.

Etiology of diarrheal disease among children under 5 years in Egypt: a high incidence of human bocavirus.

Background: Human bocavirus (HBoV) is globally distributed and associated with respiratory and enteric infections. Limited data are available about the incidence of HBoV in Egyptian children. We aimed to investigate the association of HBoV genotypes in children with diarrheal disease and also to determine the possibility of HBoV co-infections with other human enteric pathogens.

Assessment of Two Different Drinking Water Treatment Plants for the Removal of Free-living Amoebae, Egypt.

Background: The aim of this study was to compare between slow and rapid sand filters for the removal of free-living amoebae during drinking water treatment production.

Methods: Overall, 48 water samples were collected from two drinking water treatment plants having two different filtration systems (slow and rapid sand filters) and from inlet and outlet of each plant. Water samples were collected from Fayoum Drinking Water and Wastewater Holding Company, Egypt, during the year 2015.

Surveillance and Molecular Identification of and Species in Two Swimming Pools in Alexandria University, Egypt.

Background: Swimming in contaminated water was reported to be associated with and human infections. The present study was carried out with the aim of isolation and identification of the different species of and from two swimming pools in Alexandria University.

Methods: Samples were collected from the swimming pools of Alexandria University Stadium and Faculty of Agriculture-Alexandria University during the period from May 2012 to April 2013.

Microsporidial Spores in Fecal Samples of Some Domesticated Animals Living in Giza, Egypt.

Background: The aim of the present work was to investigate the prevalence and species of intestinal microsporidiosis among animals in Giza, Egypt.

Methods: A total of 869 animal fecal samples were collected from domesticated animals (dogs, cats, rabbits, cattle, buffaloes, sheep, goats, donkeys and pigs) living in Giza, Egypt. Spores of microsporidia were concentrated from collected samples by centrifugation and finally stained with modified trichrome (MT) stain to detect microsporidial spores.

Isolation and molecular identification of Naegleria fowleri from Nile river, Egypt.

Background: Members of the genus Naegleria are free-living amoebae distributed in various aquatic environments. Naegleria fowleri is the only species that can cause fatal primary amoebic meningoencephalitis in humans.

Materials And Methods: A total of 48 Nile water samples were collected from the water stream passing though Cairo.