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Articles related to "Protozoans"
Protozoan Parasites in Dirt Many protozoan parasites have a hardy stage that survives for long periods in soil and water. Others normally thrive and multiply in the environment. protozoan parasites in dirt • soil environment intestinal feces • amoebae flagellates ciliates coccidia • eating fruit vegetables water • disease dysentery abscess diarrhea
What are Protozoa? From the Greek proto, meaning first, and zoa, meaning animal. protozoa • smallest of animals • one-celled • moist environments • protozoan development
A Handful of Soil A handful of good soil should hold billions of bacteria, millions of protozoa and other microbes, thousands of tiny arthropods and hundreds of larger organisms. soil • bacteria • aerobic bacteria • anaerobic • rhizobia
Micro-Organisms A handful of good soil should contain billions of bacteria, millions of protozoa and other microscopic animals, thousands tiny arthropods invisible to the eye, miniscule bacteria • enzymes • aerobic bacteria • anaerobic bacteria • rhizobia
Birds and Trichomonas gallinae The deadly parasite Trichomonas gallinae can be spread among wild birds at feeders and bird baths. Bird watchers can avoid accidentally spreading this and other diseases. trichomonas gallinae • protozoan parasite • canker • pigeons • frounce
Cryptosporidium parvum - Parasite Cryptosporidium parvum is a tiny parasite that causes outbreaks of diarrhea. Drinking water is one source of this parasitic disease, but there are others. cryptosporidium • cryptosporidium parvum • cryptosporidiosis • parasite • parasitic disease
Soil – Earth’s Living Layer In nature, soil is alive and is constantly being created. In gardens, we can and should make our own. soil • rock • minerals • microbes • bacterial
What is Cryptosporidiosis? A tiny protozoan parasite, Cryptosporidium is a common cause of diarrhea and a particular threat to those suffering with AIDS. It infects both humans and animals. what is cryptosporidiosis • cryptosporidium • cryptosporidium parvum • cryptosporidium symptoms • cryptosporidium infection
What is Trichomonas gallinae? A short article describing Trichomonas gallinae, a protozoan parasite of pigeons, doves, raptors, and other wild birds. trichomonas gallinae • parasite of birds • protozoan • flagellate • pigeons
The Patterns of Evolution Evolution may take several paths. Species may evolve apart (diverge), evolve similar structures and appearances (converge), or evolve together (coevolve). divergent evolution • convergent evolution • coevolution • patterns of evolution • selection pressure
Parasitology 101 – Words That Describe Parasites Reading about parasites can be confusing because of all the specialized words that scientists use. This brief parasitology glossary can help. parasitology 101 • words that describe parasites • parasite terms meanings general reader • parasitology definitions • what is a parasite host
Walkerton tragedy highlights microbial ecology The deadly <i>E. coli</i> outbreak in Walkerton draws attention to a fascinating and essential aspect of life on earth. walkerton • e. coli • escherichia • coli • saugeen river
Sputnik - Now a Virus Satellite Newly discovered cell-sized viruses have an infecting satellite virus, with implications for viruses as life forms, cell origins, the cause of disease and its treatment. mimivirus in a cooling tower • cooling tower virus • viruses infecting protists • mamavirus and its satellite virus • precursors to eukaryotes
The Causative Agent of Amoebiasis Amoebiasis is one the major killer diseases in the tropics. The cause of this disease is a protozoan, which is the only pathogen among a number of enteric amoeba. amoebiasis • protozoa • entamoeba histolytica • amoeba • diagnosis of amoebiasis
How to Kill Bacteria and Other Microbes Heat, UV radiation, antibiotics and chemicals are all used to control bacteria, viruses and other microorganisms. How to they kill pathogens without hurting our cells? how to kill microbes • how to kill bacteria • control bacterial pathogens • control viral pathogens • microbial control heat
Human Evolutionary Tie to Choanoflagellates New research provides more evidence that ancestors of modern choanoflagellates may be the evolutionary bridge linking single-celled and multi-celled organisms. choanoflagellates • choanoflagellate evolution • what are choanoflagellate • choanoflagellate single multi celled • choanoflagellates missing link
Identifying Freshwater Aquarium Fish Diseases Some fish diseases are common and others are rare but knowing their characteristics is helpful in the prevention and cure. identifying fish disease • bacterial disease fish • viral disease fish • protozoan fish disease • fungal diseases in fish
Zoonotic Diseases Zoonotic diseases are a fact of life for anyone handling livestock. zoonotic • disease • zoonotic • disease • zoonotic
MOA of Tetracycline Antibiotics Antibiotics are chemotherapeutic agents used to inhibit or kill bacteria (prokaryotic organisms). How do tetracyclines destroy bacteria without hurting our cells? mode of action tetracycline • moa tetracycline • how antibiotic drugs work • how does tetracycline work • antibiotic tetracycline
Babesiosis Babesiosis is lesser-known than most other tick-borne diseases. It may be a co-infecting agent with other organisms transmitted by ticks, and it can remain quiescent. ticks and babesiosis • what tick carries babesiosis • where does babesiosis occur • babesiosis and lyme disease • signs and symptoms of babesiosis
Common Diseases in Aquarium Fish The most common diseases that afflict aquarium fish are ich, velvet, and fungus infections. Untreated, these diseases can kill fish, but prompt action usually cures them. ich • white spot disease • ichthyophthirius • columnaris • oodium
Biological Controls in the Garden a brief description and table of biological controls available to the gardener for controlling common pests and diseases rose garden • pest • insect • disease • aphid
Toxoplasma gondii and Behavior Research on Toxoplasma gondii, a cat parasite, suggests that chronic infection causes subtle behavioral, personality, and psychological changes in infected people. toxoplasma gondii • t. gondii • behavior • cat parasite • toxoplasmosis
Traveler's Diarrhea As many as 50,000 travelers a day suffer from traveler's diarrhea in high-risk countries. Risk is associated with destination, length of stay, and level of accommodations traveler* • diarrhea • e. coli • traveler's diarrhea • contaminated
Grasshoppers Grasshoppers seem harmless enough, but have you ever really thought about what they eat? I'm sure mid-western farmers could tell you all about them. Read about grasshoppers and see for yourself if they are good or bad bugs. grasshoppers • bad bugs • pests • garden pests
Dale Brown Emeagwali - Microbiologist and Community Leader Dr, Dale Brown Emeagwali is a recognized teacher and researcher at Morgan State University. She combines a love of research with a strong desire to encourage young people to study science. dale brown emeagwali • scientist of the year • microbiology • morgan state university • cancer research
SRW Tip#11: Dispose of Old Rose Chemicals & Check Expiration Dates garden chemicals • disposal • expiry • expiration dates • biological controls
How to Frag - Coral Propagation Many reef aquarists "frag" their coral to produce multiple individual "children" from a single mother colony. Here's how to frag your own coral. coral propagation • fragging coral • coral frags • how to propagate coral • how to frag coral
Silent Sexually Transmitted Infections (STIs) Medications and vaccines are available to treat and prevent some STIs. Still these diseases are on the rise. Many cause no symptoms; spread by those unaware of infection. std symptoms • stis with no symptoms • sexually transmitted diseases without symptoms • asymptomatic sexually transmitted infections • incidence of gonorrhea
Symbiotic Relationships between Microbe and Host There are three types of symbiotic relationships that microbes can have with their host organism: mutualism, commensalism and parasistism. types of symbiosis • mutualism • commensalism • parasitism • mutualistic microbe
New Biopesticides for Roses New insecticides and fungicides to look for in the future. roses • disease • fungicides • pesticides • environment
THE PROMISES OF THE HUMAN GENOME PROJECT More than 15 years ago the Human Genome Project (HGP) was started as an international effort to decode its billion of bases. bioinformatics • pharmacogenomics • proteomics • transcriptonomics • genes
Walking Batfish in the Aquarium As a rule, walking batfish are best left to advanced aquarists, as there are many challenges in the feeding, housing, and maintaining of these unusual bottom-dwellers. walking batfish aquarium • ogcocephalus • feeding batfish • tank walking batfish • quarantine batfish
What is Toxoplasmosis? Toxoplasmosis can be deadly if you have a weakened immune system. The parasite can live in the human body forever without causing any symptoms. what is toxoplasmosis • cats and diseases • cats and parasites • feline diseases • deadly diseases in cats
A Description of Marine Parasitism Marine parasites represent an important part of ocean ecology. parasites • parasite • parasitism • ocean • under the sea
Early Germ Theory of Disease Germ Theory is the concept that microorganisms can cause disease, and this theory is the foundation of modern medicine. Here is a summary of some key discoveries. germ theory • spontaneous generaton • abiogenesis • leeuwenhoek • ignaz semmelweis
Isla Grande Hotels, Colombia Isla Grande is a 45-minute boat ride from Cartegena de Indias on Colombia's Caribbean Coast. Hotel CocoLiso and Hotel San Pedro de Majagua are two popular hotels. isla grande • islas de rosario • cocoliso resort hotel • hotel san pedro de majagua • cartagena de indias
Microscope Slide Preparation of Eukaryotic Cells Preparing a wet mount of a specimen is the technique typically used to view plant and animal cells. Here is the step by step process of slide preparation. how to prepare a slide • prepare microscope slide • wet mount • wet mount specimen • prepared microscope slide
The Biochemical Structure of DNA Deoxyribonucleic acid (DNA), the key component of living cells, is presented here in an overview. deoxyribonucleic acid in nature • structure of biology's most important molecule • dna and nature • dna • biology
The Different Feeding Methods Of Animals Whether they absorb molecules across the body surface or swallow live prey, all animals must get their energy from a food source. Here are the ways they do this. food absorption • endocytosis • filter feeding • fluid feeding • seizing prey
What are Normal Flora? The human body is made up of about 10 trillion cells, but hosts 100 trillion more. The vast majority of cells living on and in the body are bacteria and other microbes. normal flora • what is normal flora • normal microbiota • what is normal microbiota • resident microbes
What Is A Cell? Basic Overview Of An Animal Cell All organisms are made up of cells. There are single-celled and multi-celled organisms. Here is a brief overview of what a cell consists of, and some of its functions. eukaryotic cell • prokaryotic cell • eukaryotes • prokaryotes • what is a cell?
Acanthamoeba – Eye Parasite Acanthamoeba spp., amoebae that live in water and soil, can hitch a ride on a contact lens, then invade a vulnerable eye and destroy the cornea. acanthamoeba • eye parasite • environmental amoeba • what is acanthamoeba • avoid acanthamoeba
Christmas Pets and Disease Transmission Thinking of giving someone a pet for Christmas? Most people don't consider their pets a health risk, but 75% of new human diseases can be traced to animals. pet to human disease transmission • diseases of pets and humans • zoonotic transmission • risk factors for zoonotic disease • toxoplasmosis
Coccidiosis in Puppies and Kittens Coccidiosis is a disease caused by a microscopic parasite known as coccidia. Coccidiosis is common in kittens and puppies and can cause severe diarrhea with dehydration. coccidia • coccidiosis • intestinal parasites • oocyst • oocysts
Giardia lamblia and Giardiasis Giardia lamblia contaminates surface water all over the world and can cause an unpleasant prolonged intestinal illness known as giardiasis, or beaver fever. giardia • giardia lamblia • giardiasis • beaver fever • parasite
Goldenseal Goldenseal is used sparingly by most herbalists due to its rarity and intense effects. goldenseal • herbal remedy • cold remedy • flu remedy • conjunctivitis
Grasshopper Pest Control in an Organic Garden Grasshoppers are common garden pests in the summer months, feeding on flower and vegetable gardens. Use organic and natural pest control methods to stop these insects. grasshopper control • grasshopper garden • grasshopper species • grass hoppers • grasshopper lawn
Hardiest Anthias Species While anthias have a reputation as being "expert-only" fishes, a few species are appropriate for the intermediate aquarist. anthias • bartlett's fairy bass anthias • pseudanthias bartelettorum • fairy bass • bartlett's anthias
Human Parasites in Soil The infective stage of many human parasites is found in soil, but not just any soil. How they get there, and how they infect people, isn't so straightforward. human parasites in soil • catch worms from eating dirt • host environment water vegetables • stool feces infective • eggs larvae stool helminthes |
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