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Laverania
''Laverania'' is a subgenus of the parasite genus ''Plasmodium''. Infection with these species results in malaria. The subgenus was first described in 1958. The name was first proposed by Welch in 1897 as a genus name for the group now known as ''Plasmodium'' but for a variety of reasons the genus name ''Plasmodium'' was preferred. __TOC__ Taxonomy The first non-human primate parasites were described by Eduard Reichenow in Cameroon in 1920. He observed three morphologically distinct ''Plasmodium'' parasites in the blood of chimpanzees and gorillas in 1917. These finding were later confirmed by other workers. One species closely resembled ''P. falciparum'' and was thought to be the same species. This species was later renamed ''P. reichenowi''. The other two species — ''P. rhodaini'' and ''P. schwetzi'' — have since been placed in the subgenus ''Plasmodium''. The noticeable differences between ''P. falciparum'' and the other known ''Plasmodium'' species led to the proposa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium
''Plasmodium'' is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of ''Plasmodium'' species involve development in a blood-feeding insect host which then injects parasites into a vertebrate host during a blood meal. Parasites grow within a vertebrate body tissue (often the liver) before entering the bloodstream to infect red blood cells. The ensuing destruction of host red blood cells can result in malaria. During this infection, some parasites are picked up by a blood-feeding insect (mosquitoes in majority cases), continuing the life cycle. ''Plasmodium'' is a member of the phylum Apicomplexa, a large group of parasitic eukaryotes. Within Apicomplexa, ''Plasmodium'' is in the order Haemosporida and family Plasmodiidae. Over 200 species of ''Plasmodium'' have been described, many of which have been subdivided into 14 subgenera based on parasite morphology and host range. Evolutionary relationships among different ''Pl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium Adleri
''Plasmodium'' is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of ''Plasmodium'' species involve development in a blood-feeding insect host which then injects parasites into a vertebrate host during a blood meal. Parasites grow within a vertebrate body tissue (often the liver) before entering the bloodstream to infect red blood cells. The ensuing destruction of host red blood cells can result in malaria. During this infection, some parasites are picked up by a blood-feeding insect (mosquitoes in majority cases), continuing the life cycle. ''Plasmodium'' is a member of the phylum Apicomplexa, a large group of parasitic eukaryotes. Within Apicomplexa, ''Plasmodium'' is in the order Haemosporida and family Plasmodiidae. Over 200 species of ''Plasmodium'' have been described, many of which have been subdivided into 14 subgenera based on parasite morphology and host range. Evolutionary relationships among different ''Plasm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium Blacklocki
''Plasmodium'' is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of ''Plasmodium'' species involve development in a blood-feeding insect host which then injects parasites into a vertebrate host during a blood meal. Parasites grow within a vertebrate body tissue (often the liver) before entering the bloodstream to infect red blood cells. The ensuing destruction of host red blood cells can result in malaria. During this infection, some parasites are picked up by a blood-feeding insect (mosquitoes in majority cases), continuing the life cycle. ''Plasmodium'' is a member of the phylum Apicomplexa, a large group of parasitic eukaryotes. Within Apicomplexa, ''Plasmodium'' is in the order Haemosporida and family Plasmodiidae. Over 200 species of ''Plasmodium'' have been described, many of which have been subdivided into 14 subgenera based on parasite morphology and host range. Evolutionary relationships among different ''Plasm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium Falciparum
''Plasmodium falciparum'' is a Unicellular organism, unicellular protozoan parasite of humans, and the deadliest species of ''Plasmodium'' that causes malaria in humans. The parasite is transmitted through the bite of a female ''Anopheles'' mosquito and causes the disease's most dangerous form, falciparum malaria. It is responsible for around 50% of all malaria cases. ''P. falciparum'' is therefore regarded as the deadliest parasite in humans. It is also associated with the development of blood cancer (Burkitt's lymphoma) and is classified as a List of IARC Group 2A carcinogens, Group 2A (probable) carcinogen. The species originated from the malarial parasite ''Laverania'' found in gorillas, around 10,000 years ago. Alphonse Laveran was the first to identify the parasite in 1880, and named it ''Oscillaria malariae''. Ronald Ross discovered its transmission by mosquito in 1897. Giovanni Battista Grassi elucidated the complete transmission from a female Anopheles, anopheline mosquit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium Gora
''Plasmodium'' is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of ''Plasmodium'' species involve development in a blood-feeding insect host which then injects parasites into a vertebrate host during a blood meal. Parasites grow within a vertebrate body tissue (often the liver) before entering the bloodstream to infect red blood cells. The ensuing destruction of host red blood cells can result in malaria. During this infection, some parasites are picked up by a blood-feeding insect (mosquitoes in majority cases), continuing the life cycle. ''Plasmodium'' is a member of the phylum Apicomplexa, a large group of parasitic eukaryotes. Within Apicomplexa, ''Plasmodium'' is in the order Haemosporida and family Plasmodiidae. Over 200 species of ''Plasmodium'' have been described, many of which have been subdivided into 14 subgenera based on parasite morphology and host range. Evolutionary relationships among different ''Pl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium Gorb
''Plasmodium'' is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of ''Plasmodium'' species involve development in a blood-feeding insect host which then injects parasites into a vertebrate host during a blood meal. Parasites grow within a vertebrate body tissue (often the liver) before entering the bloodstream to infect red blood cells. The ensuing destruction of host red blood cells can result in malaria. During this infection, some parasites are picked up by a blood-feeding insect (mosquitoes in majority cases), continuing the life cycle. ''Plasmodium'' is a member of the phylum Apicomplexa, a large group of parasitic eukaryotes. Within Apicomplexa, ''Plasmodium'' is in the order Haemosporida and family Plasmodiidae. Over 200 species of ''Plasmodium'' have been described, many of which have been subdivided into 14 subgenera based on parasite morphology and host range. Evolutionary relationships among different ''Plas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium Reichenowi
''Plasmodium'' is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of ''Plasmodium'' species involve development in a blood-feeding insect host which then injects parasites into a vertebrate host during a blood meal. Parasites grow within a vertebrate body tissue (often the liver) before entering the bloodstream to infect red blood cells. The ensuing destruction of host red blood cells can result in malaria. During this infection, some parasites are picked up by a blood-feeding insect (mosquitoes in majority cases), continuing the life cycle. ''Plasmodium'' is a member of the phylum Apicomplexa, a large group of parasitic eukaryotes. Within Apicomplexa, ''Plasmodium'' is in the order Haemosporida and family Plasmodiidae. Over 200 species of ''Plasmodium'' have been described, many of which have been subdivided into 14 subgenera based on parasite morphology and host range. Evolutionary relationships among different ''Pl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium Billcollinsi
''Plasmodium billcollinsi'' is a species of the genus ''Plasmodium'' subgenus ''Laverania''. It is a parasitic protozoan found in chimpanzees in Central Africa. The parasite is named in honour of the malariologist William E. Collins. Taxonomy Both ''P. billcollinsi'' and ''P. billbrayi'' were suggested based on mtDNA and nuclear gene sequences, in addition to having been obtained from chimpanzee samples. ''Plasmodium billcollinsi'' is located at the root between '' P. falciparum'' and '' P. reichenowi''. Distribution Analysis made on 1,261 samples revealed that at least six ''Plasmodium'' species circulate in great apes in Gabon, with ''P. billcollinsi'' being found faecal samples from 791 chimpanzees. Hosts Along with '' P. reichenowi'', '' P. billbrayi'' and '' P. gaboni'', ''P. billcollinsi'' infects with malaria to only chimpanzees. The parasite has been found in at least three subspecies: '' P. t. verus'', '' P. t. troglodytes'', and '' P. t. schweinfurthii''. S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium Billbrayi
''Plasmodium billbrayi'' is a parasite of the genus ''Plasmodium'' subgenus ''Laverania''. ''P. billbrayi'' is phylogenetically very close to ''Plasmodium gaboni'', with both sharing a recent common ancestor. The parasite is named in honour of the distinguished malariologist “Bill” Robert Stow Bray (1923–2008). Taxonomy ''Plasmodium billbrayi'' was first described along with '' Plasmodium billcollinsi'' by Krief ''et al.'' in February 2010, by sequencing the whole ''Plasmodium'' mitochondrial genome in chimpanzees. Distribution This species is found in East Africa. Hosts ''Plasmodium billbrayi'' infects common chimpanzees (''Pan troglodytes'') and Eastern chimpanzee The eastern chimpanzee (''Pan troglodytes schweinfurthii'') is a subspecies of the common chimpanzee. It is native to the Central African Republic, South Sudan, the Democratic Republic of the Congo, Uganda, Rwanda, Burundi, and Tanzania. Taxono ...s (''Pan troglodytes schweinfurthii''). See al ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plasmodium Gaboni
''Plasmodium gaboni'' is a parasite of the genus ''Plasmodium'' subgenus ''Laverania''. ''P. gaboni'' was given its name in reference to Gabon, where the parasite was discovered in two wild-borne chimpanzees kept as pets in villages in that country. ''Plasmodium gaboni'' is phylogenetically very close to '' Plasmodium billbrayi''. Taxonomy In 2009, Ollomo et al. published the complete mitochondrial genome of ''Plasmodium gaboni'', which was not yet named at the time. The parasite belongs to the '' P falciparum/ P reichenowi'' lineage. It has been proposed that ''Plasmodium gaboni'' diverged from the ''P falciparum/P reichenowi'' lineage about 21 million years ago, leading to the conclusion that the ancestor of this parasite clade could have been already present in hominid ancestors. ''Plasmodium gaboni'' is 10-fold more diverse than human parasite '' Plasmodium falciparum'', indicating a very recent origin of the latter. ''Plasmodium gaboni'' is similar to both ''Plasmod ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malaria
Malaria is a mosquito-borne infectious disease that affects humans and other animals. Malaria causes symptoms that typically include fever, tiredness, vomiting, and headaches. In severe cases, it can cause jaundice, seizures, coma, or death. Symptoms usually begin ten to fifteen days after being bitten by an infected mosquito. If not properly treated, people may have recurrences of the disease months later. In those who have recently survived an infection, reinfection usually causes milder symptoms. This partial resistance disappears over months to years if the person has no continuing exposure to malaria. Malaria is caused by single-celled microorganisms of the ''Plasmodium'' group. It is spread exclusively through bites of infected ''Anopheles'' mosquitoes. The mosquito bite introduces the parasites from the mosquito's saliva into a person's blood. The parasites travel to the liver where they mature and reproduce. Five species of ''Plasmodium'' can infect and be spread by h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eduard Reichenow
Johann Eduard Reichenow (7 July 1883 – 23 March 1960) was a German protozoologist. He was the son of ornithologist Anton Reichenow. Biography Reichenow was born in Berlin. He studied natural sciences in Heidelberg, Berlin and Munich, and received his doctorate in 1908. After graduation he conducted research of protozoans at the Imperial Health Ministry in Berlin. From 1913 onward, he served as a government zoologist in Kamerun, where he did studies on the biology of the malaria pathogen. From 1916 to 1919 he conducted research at the ''Museo Nacional de Ciencias Naturales'' in Madrid, and in 1921 was appointed director of the protozoology department at the '' Schiffs- und Tropenkrankheiten'' in Hamburg. During the same year, he received his habilitation from the University of Hamburg and in 1925 obtained the title of professor. He was an editor of the journals: ''Zeitschrift für Tropenmedizin'', the ''Zentralblatt für Bakteriologie'' and the ''Zeitschrift für Parasitenk ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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