''Haemamoeba'' is a subgenus of the

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

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 vert ...

'' — all of which are parasites. The subgenus was created in 1963 by created by Corradetti ''et al.''.

Species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

in this subgenus infect

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

s. __TOC__

Diagnostic features

Species in the subgenus ''Haemamoeba'' have the following characteristics: Mature

schizont Apicomplexans, a group of intracellular parasites, have life cycle stages that allow them to survive the wide variety of environments they are exposed to during their complex life cycle. Each stage in the life cycle of an apicomplexan organism is ...

s are larger than the host

cell Cell most often refers to: * Cell (biology), the functional basic unit of life Cell may also refer to: Locations * Monastic cell, a small room, hut, or cave in which a religious recluse lives, alternatively the small precursor of a monastery ...

nucleus Nucleus ( : nuclei) is a Latin word for the seed inside a fruit. It most often refers to: *Atomic nucleus, the very dense central region of an atom *Cell nucleus, a central organelle of a eukaryotic cell, containing most of the cell's DNA Nucle ...

and commonly displace it.

Gametocyte A gametocyte is a eukaryotic germ cell that divides by mitosis into other gametocytes or by meiosis into gametids during gametogenesis. Male gametocytes are called ''spermatocytes'', and female gametocytes are called ''oocytes''. Development ...

s are large, round, oval or irregular in shape and are substantially larger than the host nucleus.

Species in this subgenus

* ''

Plasmodium cathemerium ''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 Hematophagy, blood-feeding insect host (biology), host which then inj ...

'' * ''

Plasmodium coggeshalli ''Plasmodium coggeshalli'' is a parasite of the genus ''Plasmodium'' subgenus '' Haemamoeba''. Like all ''Plasmodium'' species ''P. coggeshalli'' has both vertebrate and insect hosts. The vertebrate hosts for this parasite are bird Bir ...

'' * ''

Plasmodium elongatum ''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 Hematophagy, blood-feeding insect host (biology), host which then inj ...

'' * ''

Plasmodium gallinaceum ''Plasmodium gallinaceum'' is a species of the genus ''Plasmodium'' (subgenus '' Haemamoeba'') that causes malaria in poultry. Description This species was described by Alexandre Joseph Emile Brumpt (1877–1951) a French professor of parasit ...

'' * '' Plasmodium giovannolai'' * '' Plasmodium griffithsi'' * ''

Plasmodium lutzi ''Plasmodium lutzi'' is a parasite of the genus ''Plasmodium'' subgenus ''Haemamoeba''. Like all ''Plasmodium'' species ''P. lutzi'' has both vertebrate and insect hosts. The vertebrate hosts for this parasite are bird Birds are a grou ...

'' * '' Plasmodium matutinum'' * '' Plasmodium parvulum'' * ''

Plasmodium relictum ''Plasmodium relictum'' is a species in the genus ''Plasmodium,'' subgenus '' Haemamoeba''. It is a parasite, and the most common cause of malaria in birds. Like all ''Plasmodium'' species, ''P. relictum'' has both vertebrate and insect host ...

'' * ''

Plasmodium tejerai ''Plasmodium tejerai'' is a parasite of the genus ''Plasmodium'' subgenus ''Haemamoeba''. Like all ''Plasmodium'' species ''P. tejerai'' has both vertebrate and insect hosts. The vertebrate hosts for this parasite are birds. Taxonomy The para ...

References

Plasmodium subgenera Parasites of birds {{Plasmodium-stub