What is prokaryote cell?

Classification of prokaryotes has long been based on the same hierarchical systems on which Linnaeus based his nomenclatural system applied initially to plants and animals. Most of the earth’s prokaryotes are found in the open ocean and in soil.

Prokaryotes are believed it be abundant in environment where eukaryotic organisms are absent or very rare, which they subsurface (e.g. below 8 m for the terrestrial environment and below 1 cm for ocean sediment).

Prokaryotic cell

Bacteria are very small organisms, typically consisting of one cell. Prokaryotic cell does not contain a membrane-bound nucleus. In eukaryotic cells, such as those of plants and animals, the nucleus controls the cell functions and contains its genes.

Each prokaryotic cell is surrounded by a plasma membrane. The cell has no subcellualr organelles, only infoldings of the plasma membrane called mesosomes.

Prokaryotes lack diagnostic morphological characteristics and are asexual organisms that exchange genetic material in unique and unusual ways compared to eukaryotes.
What is prokaryote cell?

Leishmaniasis

The term Leishmaniasis comprises a group of diseases caused by different protozoan species of the genus Leishmania, and transmitted by the bite of certain species of sandfly.

Leishmaniasis is a disease of poverty as its victim is among the poorest. According to ranking after malaria it is a second mort prevalence parasitic disease.

The leishmaniasis causes considerable morbidity and mortality. It is the collective name for a number of diseases which have diverse clinical manifestations. There are three main clinical forms of Leishmaniasis: visceral, cutaneous and mucocutaneous.

While cutaneous leishmaniasis is characterized by lesion proximal to the site of the sandfly, visceral leishmaniasis is associated with immunepathology in the liver and spleen of the infected host.

Cutaneous leishmaniasis is caused by several species of Leishmania. Patients generally present with ulcers or nodules, usually on exposed parts of the body, such as the arms, legs and face.

Visceral leishmaniasis is an illness with prolonged irregular fever, splenomegaly and weight loss as it main symptoms.
Leishmaniasis