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Zastosuj identyfikator do podlinkowania lub zacytowania tej pozycji: http://hdl.handle.net/20.500.12128/154
Tytuł: Structure and ultrastructure of the endodermal region of the alimentary tract in the freshwater shrimp Neocaridina heteropoda (Crustacea, Malacostraca)
Autor: Sonakowska, Lidia
Włodarczyk, Agnieszka
Poprawa, Izabela
Binkowski, Marcin
Śróbka, Joanna
Kamińska, Karolina
Kszuk-Jendrysik, Michalina
Chajec, Łukasz
Zajusz, Bartłomiej
Rost-Roszkowska, Magdalena
Słowa kluczowe: Neocaridina heteropoda; freshwater species; anatomical variation
Data wydania: 2015
Źródło: PLoS ONE, Vol. 10, iss. 5 (2015), art. no e0126900
Abstrakt: The freshwater shrimp Neocaridina heteropoda (Crustacea, Malacostraca, Decapoda) originates from Asia and is one of the species that is widely available all over the world because it is the most popular shrimp that is bred in aquaria. The structure and the ultrastructure of the midgut have been described using X-ray microtomography, transmission electron microscopy, light and fluorescence microscopes. The endodermal region of the alimentary system in N. heteropoda consists of an intestine and a hepatopancreas. No differences were observed in the structure and ultrastructure of males and females of the shrimp that were examined. The intestine is a tube-shaped organ and the hepatopancreas is composed of two large diverticles that are divided into the blind-end tubules. Hepatopancreatic tubules have three distinct zones - proximal, medial and distal. Among the epithelial cells of the intestine, two types of cells were distinguished - D and E-cells, while three types of cells were observed in the epithelium of the hepatopancreas - F, B and E-cells. Our studies showed that the regionalization in the activity of cells occurs along the length of the hepatopancreatic tubules. The role and ultrastructure of all types of epithelial cells are discussed, with the special emphasis on the function of the E-cells, which are the midgut regenerative cells. Additionally, we present the first report on the existence of an intercellular junction that is connected with the E-cells of Crustacea.
URI: http://hdl.handle.net/20.500.12128/154
DOI: 10.1371/journal.pone.0126900
ISSN: 1932-6203
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