Morphology of Mitochondria in Syncytial Annelid Female Germ-Line Cyst Visualized by Serial Block-Face SEM
Joint Authors
Urbisz, Anna Z.
Student, Sebastian
Śliwińska, Małgorzata A.
Małota, Karol
Source
International Journal of Cell Biology
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-15, 15 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-01-07
Country of Publication
Egypt
No. of Pages
15
Main Subjects
Abstract EN
Mitochondria change their morphology and distribution depending on the metabolism and functional state of a cell.
Here, we analyzed the mitochondria and selected structures in female germ-line cysts in a representative of clitellate annelids – the white worm Enchytraeus albidus in which each germ cell has one cytoplasmic bridge that connects it to a common cytoplasmic mass.
Using serial block-face scanning electron microscopy (SBEM), we prepared three-dimensional ultrastructural reconstructions of the entire selected compartments of a cyst at the advanced stage of oogenesis, i.e.
the nurse cell, cytophore, and cytoplasmic bridges of all 16 cells (15 nurse cells and oocyte).
We revealed extensive mitochondrial networks in the nurse cells, cytophore and mitochondria that pass through the cytoplasmic bridges, which indicates that a mitochondrial network can extend throughout the entire cyst.
The dynamic hyperfusion state was suggested for such mitochondrial aggregations.
We measured the mitochondria distribution and revealed their polarized distribution in the nurse cells and more abundant accumulation within the cytophore compared to the nurse cell.
A close association of mitochondrial networks with dispersed nuage material, which seems to be the structural equivalent of a Balbiani body, not described in clitellate annelids so far, was also revealed.
American Psychological Association (APA)
Urbisz, Anna Z.& Student, Sebastian& Śliwińska, Małgorzata A.& Małota, Karol. 2020. Morphology of Mitochondria in Syncytial Annelid Female Germ-Line Cyst Visualized by Serial Block-Face SEM. International Journal of Cell Biology،Vol. 2020, no. 2020, pp.1-15.
https://search.emarefa.net/detail/BIM-1169269
Modern Language Association (MLA)
Urbisz, Anna Z.…[et al.]. Morphology of Mitochondria in Syncytial Annelid Female Germ-Line Cyst Visualized by Serial Block-Face SEM. International Journal of Cell Biology No. 2020 (2020), pp.1-15.
https://search.emarefa.net/detail/BIM-1169269
American Medical Association (AMA)
Urbisz, Anna Z.& Student, Sebastian& Śliwińska, Małgorzata A.& Małota, Karol. Morphology of Mitochondria in Syncytial Annelid Female Germ-Line Cyst Visualized by Serial Block-Face SEM. International Journal of Cell Biology. 2020. Vol. 2020, no. 2020, pp.1-15.
https://search.emarefa.net/detail/BIM-1169269
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1169269