A Method for Preparation of Synaptonemal Complexes of Meiotic Chromosomes from Basidial Protoplasts of the White Button Mushroom Agaricus bisporus (Lange) Imbach.

A Method for Preparation of Synaptonemal Complexes of Meiotic Chromosomes from Basidial... For the first time, preparations of synaptonemal complexes (SCs) were made from meiotic chromosomes of white button mushroom (Agaricus bisporus) basidia. It is the first experience of obtaining SC preparations of filamentous fungi from isolated meiosporangium protoplasts. Previously, only yeast SC preparations were obtained following this approach. The method includes four major stages: isolation of basidium protoplasts by treatment of basidia with lytic enzymes, spreading of protoplast nuclei on a filmy support by osmotic shock, staining the preparations with silver nitrate, and examination under light and electron microscopes. The structures of spread premeiotic nuclei, axial elements of chromosomes, SCs, chromatin, and nucleoli were studied at the leptotene–diplotene stage of meiotic prophase I. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

A Method for Preparation of Synaptonemal Complexes of Meiotic Chromosomes from Basidial Protoplasts of the White Button Mushroom Agaricus bisporus (Lange) Imbach.

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1023271617050
Publisher site
See Article on Publisher Site

Abstract

For the first time, preparations of synaptonemal complexes (SCs) were made from meiotic chromosomes of white button mushroom (Agaricus bisporus) basidia. It is the first experience of obtaining SC preparations of filamentous fungi from isolated meiosporangium protoplasts. Previously, only yeast SC preparations were obtained following this approach. The method includes four major stages: isolation of basidium protoplasts by treatment of basidia with lytic enzymes, spreading of protoplast nuclei on a filmy support by osmotic shock, staining the preparations with silver nitrate, and examination under light and electron microscopes. The structures of spread premeiotic nuclei, axial elements of chromosomes, SCs, chromatin, and nucleoli were studied at the leptotene–diplotene stage of meiotic prophase I.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 7, 2004

References

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