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DNA, Volume 2, Issue 3

2022 September - 4 articles

Cover Story: The Japanese frog Glandirana rugosa includes two heteromorphic sex chromosome systems of ZZ–ZW and XX–XY, which are separated into geo-graphic populations. The high-throughput analyses of nuclear genomes uncovered the mechanisms responsible for the genetic heterogeneity of the W chromosomes. The X chromosomes were recycled into new W chromosomes via recombination between the W and X chromosomes in WX female hybrids. Putting together the results derived from our previous studies, it was concluded that the W chromosomes evolved from the X chromosomes independently at least four times. This is a case of intermittent evolution of the W chromosome via interpopulation hybridization: a repetition of degeneration and resurrection. View this paper

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Editorial

2,606 Views

3 Pages

The Joint Meeting of the 23rd International Chromosome Conference (ICC) and the 24th International Colloquium in Animal Cytogenetics and Genomics (ICACG)

Darren K. Griffin

DNA2022, 2(3), 202-204;https://doi.org/10.3390/dna2030014

2 September 2022

As the coronavirus struck the globe, we were all affected, and cytogenetic conferences were no exception [...]

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Review

1 Citations

11,924 Views

17 Pages

Origin of the Bunun Indigenous People of Taiwan, a Review of Published Material Using Y-Chromosome and Mitochondrial DNA Gene Systems

Jean A. Trejaut

DNA2022, 2(3), 185-201;https://doi.org/10.3390/dna2030013

1 September 2022

Anthropological and linguistic studies place the first settlement of Austronesian speaking Taiwanese (AN_Tw) in the mid-Holocene era. However, geneticists have revealed exclusive diversity among the Bunun indigenous people, implying that their ancest...

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Article

6 Citations

4,632 Views

13 Pages

W Chromosome Evolution by Repeated Recycling in the Frog Glandirana rugosa

Mitsuaki Ogata,
Foyez Shams,
Yuri Yoshimura,
Tariq Ezaz and
Ikuo Miura

DNA2022, 2(3), 172-184;https://doi.org/10.3390/dna2030012

1 August 2022

The Y or W sex chromosome of a heteromorphic pair is usually heterochromatinised and degenerated. However, whether chromosome degeneration constantly proceeds toward an extreme end is not fully understood. Here, we present a case of intermittent evol...

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Systematic Review

7 Citations

7,487 Views

23 Pages

The Efficacy of Hyaluronic Acid Binding (HAB) in the Treatment of Male Infertility: A Systematic Review of the Literature

Róisín Ní Dhuifin,
Darren K. Griffin and
Therishnee Moodley

DNA2022, 2(3), 149-171;https://doi.org/10.3390/dna2030011

18 July 2022

Hyaluronic acid (HA)-binding is reported to predict the fertilising capacity of spermatozoa, while HA-bound sperm selection is reported to reduce the incidence of miscarriage. However, the clinical effectiveness of these techniques remains uncertain....

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