Parenthesome

Within the cells of some members of basidiomycete fungi are found microscopic structures called parenthesomes or septal pore caps. They are shaped like parentheses and found on either side of pores in the dolipore septum which separates cells within a hypha. Their function has not been established, and their composition has not been fully elucidated. The variations in their appearance are useful in distinguishing individual species.

Generally, they are barrel shaped, with an endoplasmic reticulum covering.

References

Müller WH, Montijn RC, Humbel BM, et al. (July 1998). "Structural differences between two types of basidiomycete septal pore caps". Microbiology (Reading, Engl.). 144 (Pt 7): 1721–30. doi:10.1099/00221287-144-7-1721. PMID 9695906. 7):1721-30.
Moore, R.T. (1996). "V. The Dolipore/Parenthesome Septum in Modern Taxonomy". In Sneh, B.; Jabaji-Hare, S.; Neate, S.M.; et al. Rhizoctonia Species: Taxonomy, Molecular Biology, Ecology, Pathology and Disease Control. Springer. pp. 16–18, ... ISBN 978-0-7923-3644-0.

Structures of the cell / organelles (TH H1.00.01.2-3)

Endomembrane system	Cell membrane Nucleus Nucleolus Endoplasmic reticulum Golgi apparatus Parenthesome Autophagosome Vesicles Exosome Lysosome Endosome Phagosome Vacuole Acrosome Cytoplasmic granules Melanosome Microbody Glyoxysome Peroxisome Weibel–Palade body

Cytoskeleton	Microfilaments Intermediate filaments Microtubules Prokaryotic cytoskeleton MTOCs Centrosome Centriole Basal body Spindle pole body Myofibril

Endosymbionts	Mitochondrion Plastids Chloroplast Chromoplast Gerontoplast Leucoplast Amyloplast Elaioplast Proteinoplast Tannosome

Other internal	RNA Ribosome Spliceosome Vault Cytoplasm Proteasome

External	Undulipodium Cilium Flagellum Axoneme Radial spoke Extracellular matrix Cell wall

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Parenthesome

See also

References