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OBSERVATIONS OF CENTRIOLE FORMATION IN MALE MEIOSIS
Centriole formation in male meiosis of the hyrax, Heterohyrax syriacus, and the Berdmore palm squirrel, Memetes berdmorei, was investigated by serial section analysis of selected regions of the seminiferous epithelium and isolated meiotic cells. Two periods of centriole formation were observed, a fi...
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Formato: | Texto |
Lenguaje: | English |
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The Rockefeller University Press
1972
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2108854/ https://www.ncbi.nlm.nih.gov/pubmed/5038873 |
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author | Rattner, J. B. |
author_facet | Rattner, J. B. |
author_sort | Rattner, J. B. |
collection | PubMed |
description | Centriole formation in male meiosis of the hyrax, Heterohyrax syriacus, and the Berdmore palm squirrel, Memetes berdmorei, was investigated by serial section analysis of selected regions of the seminiferous epithelium and isolated meiotic cells. Two periods of centriole formation were observed, a first in cells in transition between zygotene and pachytene and a second in the secondary spermatocytes. The duplication events before each meiotic division insured the presence of a centriolar duplex at each division pole. The parental member of each duplex of the second division was closely associated, at its distal end, with the plasma membrane. This orientation was established in the secondary spermatocyte and persisted until the completion of telophase II. Subsequently in early spermatids, each duplex assumed a characteristic orientation adjacent to the nucleus. |
format | Text |
id | pubmed-2108854 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 1972 |
publisher | The Rockefeller University Press |
record_format | MEDLINE/PubMed |
spelling | pubmed-21088542008-05-01 OBSERVATIONS OF CENTRIOLE FORMATION IN MALE MEIOSIS Rattner, J. B. J Cell Biol Article Centriole formation in male meiosis of the hyrax, Heterohyrax syriacus, and the Berdmore palm squirrel, Memetes berdmorei, was investigated by serial section analysis of selected regions of the seminiferous epithelium and isolated meiotic cells. Two periods of centriole formation were observed, a first in cells in transition between zygotene and pachytene and a second in the secondary spermatocytes. The duplication events before each meiotic division insured the presence of a centriolar duplex at each division pole. The parental member of each duplex of the second division was closely associated, at its distal end, with the plasma membrane. This orientation was established in the secondary spermatocyte and persisted until the completion of telophase II. Subsequently in early spermatids, each duplex assumed a characteristic orientation adjacent to the nucleus. The Rockefeller University Press 1972-07-01 /pmc/articles/PMC2108854/ /pubmed/5038873 Text en Copyright © 1972 by The Rockefeller University Press This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/). |
spellingShingle | Article Rattner, J. B. OBSERVATIONS OF CENTRIOLE FORMATION IN MALE MEIOSIS |
title | OBSERVATIONS OF CENTRIOLE FORMATION IN MALE MEIOSIS |
title_full | OBSERVATIONS OF CENTRIOLE FORMATION IN MALE MEIOSIS |
title_fullStr | OBSERVATIONS OF CENTRIOLE FORMATION IN MALE MEIOSIS |
title_full_unstemmed | OBSERVATIONS OF CENTRIOLE FORMATION IN MALE MEIOSIS |
title_short | OBSERVATIONS OF CENTRIOLE FORMATION IN MALE MEIOSIS |
title_sort | observations of centriole formation in male meiosis |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2108854/ https://www.ncbi.nlm.nih.gov/pubmed/5038873 |
work_keys_str_mv | AT rattnerjb observationsofcentrioleformationinmalemeiosis |