ArticleProceedings of the National Academy of Sciences of the United States of America1996
Ordered tandem arrangement of chromosomes in the sperm heads of monotreme mammals.
Article in Proceedings of the National Academy of Sciences of the United States of America, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 43 citations in OpenAlex.
- Article
- Nuclear Integrity but Not Topology of Mouse Sperm Chromosome is Affected by Oxidative DNA Damage.Genes · 2018Article
- Higher-order genome organization in platypus and chicken sperm and repositioning of sex chromosomes during mammalian evolution.Chromosoma · 2009Article
- Z and W sex chromosomes in the cane toad (Bufo marinus).Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2009Article
- Article
- Non-random positioning of chromosomes in human sperm nuclei.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2004Article
- Conservation of chromosome arrangement and position of the X in mammalian sperm suggests functional significance.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2003Article
- Visualization of polydnavirus sequences in a parasitoid wasp chromosome.Journal of virology · 2002Article
- Principles of the highly ordered arrangement of metaphase I bivalents in spermatocytes of Agrodiaetus (Insecta, Lepidoptera).Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2002Article
- Chromosomal painting detects non-random chromosome arrangement in dasyurid marsupial sperm.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2001Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A very old unanswered question in classical cytology is whether chromosomes are arranged randomly in sperm or whether they occupy specific positions. Even with modern methods of chromosome painting, it is difficult to resolve this question for the very condensed and almost spherical sperm head of most mammals. We have taken advantage of the unusual fibrillar sperm head of monotreme mammals (echidna and platypus) to examine the position of chromosome landmarks in a two-dimensional array. We used fluorescence and radioactive in situ hybridization to telomeric, rDNA, and unique sequences to show that chromosomes are arranged tandemly and in a defined order in the sperm nucleus.
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