Epigenetics and chromosome biology

Section edited by Cesar Martins

This section incorporates all aspects of chromosome biology and epigenetics including but not limited to: molecular cytogenetics, comparative cytogenetics, studies investigating epigenetics, imprinting, and methylation, cytogenetics and karotyping.

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  1. Research article

    Karyotype diversity and chromosomal organization of repetitive DNA in Tityus obscurus (Scorpiones, Buthidae)

    Holocentric chromosomes occur in approximately 750 species of eukaryotes. Among them, the genus Tityus (Scorpiones, Buthidae) has a labile karyotype that shows complex multivalent associations during male meiosis...

    Bruno Rafael Ribeiro de Almeida, Susana Suely Rodrigues Milhomem-Paixão, Renata Coelho Rodrigues Noronha, Cleusa Yoshiko Nagamachi, Marlyson Jeremias Rodrigues da Costa, Pedro Pereira de Oliveira Pardal, Johne Souza Coelho and Julio Cesar Pieczarka

    BMC Genetics 2017 18:35

    Published on: 17 April 2017

  2. Research article

    Ploidy elicits a whole-genome dosage effect: growth of triploid Atlantic salmon is linked to the genetic origin of the second maternal chromosome set

    The Atlantic salmon aquaculture industry is investigating the feasibility of using sterile triploids to mitigate genetic interactions with wild conspecifics, however, studies investigating diploid and triploid...

    A. C. Harvey, P. G. Fjelldal, M. F. Solberg, T. Hansen and K. A. Glover

    BMC Genetics 2017 18:34

    Published on: 11 April 2017

  3. Research article

    Molecular cytogenetic differentiation of paralogs of Hox paralogs in duplicated and re-diploidized genome of the North American paddlefish (Polyodon spathula)

    Acipenseriformes is a basal lineage of ray-finned fishes and comprise 27 extant species of sturgeons and paddlefishes. They are characterized by several specific genomic features as broad ploidy variation, hig...

    Radka Symonová, Miloš Havelka, Chris T. Amemiya, William Mike Howell, Tereza Kořínková, Martin Flajšhans, David Gela and Petr Ráb

    BMC Genetics 2017 18:19

    Published on: 2 March 2017

  4. Research article

    Formation of diploid and triploid hybrid groupers (hybridization of Epinephelus coioides ♀ × Epinephelus lanceolatus ♂) and their 5S gene analysis

    Interspecies hybridization is widely used to achieve heterosis or hybrid vigor, which has been observed and harnessed by breeders for centuries. Natural allopolyploid hybrids generally exhibit more superior he...

    Wen Huang, Qinbo Qin, Huirong Yang, Shuisheng Li, Chaoqun Hu, Yude Wang, Yong Zhang, Shaojun Liu and Haoran Lin

    BMC Genetics 2016 17:136

    Published on: 7 October 2016

  5. Research article

    Is premeiotic genome elimination an exclusive mechanism for hemiclonal reproduction in hybrid males of the genus Pelophylax?

    The ability to eliminate a parental genome from a eukaryotic germ cell is a phenomenon observed mostly in hybrid organisms displaying an alternative propagation to sexual reproduction. For most taxa, the under...

    Marie Doležálková, Alexandr Sember, František Marec, Petr Ráb, Jörg Plötner and Lukáš Choleva

    BMC Genetics 2016 17:100

    Published on: 2 July 2016

  6. Research article

    Addition of Manas barley chromosome arms to the hexaploid wheat genome

    Cultivated barley belongs to the tertiary genepool of hexaploid wheat. Genes of interest can be transferred from barley into wheat through wide hybridization. The application of wheat-barley introgression line...

    Edina Türkösi, András Cseh, Éva Darkó and Márta Molnár-Láng

    BMC Genetics 2016 17:87

    Published on: 21 June 2016

  7. Research article

    Repetitive element hypermethylation in multiple sclerosis patients

    Multiple sclerosis (MS) is a complex disorder of the central nervous system whose cause is currently unknown. Evidence is increasing that DNA methylation alterations could be involved in inflammatory and neuro...

    K. Y. Neven, M. Piola, L. Angelici, F. Cortini, C. Fenoglio, D. Galimberti, A. C. Pesatori, E. Scarpini and V. Bollati

    BMC Genetics 2016 17:84

    Published on: 18 June 2016

  8. Research article

    Influence of grand-mother diet on offspring performances through the male line in Muscovy duck

    In mammals, multigenerational environmental effects have been documented by either epidemiological studies in human or animal experiments in rodents. Whether such phenomena also occur in birds for more than on...

    Jean-Michel Brun, Marie-Dominique Bernadet, Alexis Cornuez, Sophie Leroux, Loys Bodin, Benjamin Basso, Stéphane Davail, Mathilde Jaglin, Michel Lessire, Xavier Martin, Nadine Sellier, Mireille Morisson and Frédérique Pitel

    BMC Genetics 2015 16:145

    Published on: 21 December 2015

  9. Research article

    MicroRNA profiles reveal female allotetraploid hybrid fertility

    The bisexual fertile tetraploid fish is important in biological evolution. Tetraploid fish fertility is the key factor for stable inheritance. Therefore, elucidating tetraploid fish fertility at the molecular ...

    Rong Zhou, Yanhong Wu, Min Tao, Chun Zhang and Shaojun Liu

    BMC Genetics 2015 16:119

    Published on: 14 October 2015

  10. Research article

    Analysis of an independent tumor suppressor locus telomeric to Tp53 suggested Inpp5k and Myo1c as novel tumor suppressor gene candidates in this region

    Several reports indicate a commonly deleted chromosomal region independent from, and distal to the TP53 locus in a variety of human tumors. In a previous study, we reported a similar finding in a rat tumor model ...

    Carola Hedberg Oldfors, Diego Garcia Dios, Anna Linder, Kittichate Visuttijai, Emma Samuelson, Sandra Karlsson, Staffan Nilsson and Afrouz Behboudi

    BMC Genetics 2015 16:80

    Published on: 14 July 2015

  11. Research article

    Alteration in methylation level at 11β-hydroxysteroid dehydrogenase type 2 gene promoter in infants born to preeclamptic women

    Preeclampsia reduces placental expression and activity of 11β-hydroxysteroid dehydrogenase type 2 (HSD11B2), leading to an increase in fetal glucocordicoids. The latter has been proposed to be associated with ...

    Wensheng Hu, Xiaoling Weng, Minyue Dong, Yun Liu, Wenjuan Li and Hefeng Huang

    BMC Genetics 2014 15:96

    Published on: 9 September 2014

  12. Research article

    Abnormal chromosome behavior during meiosis in the allotetraploid of Carassius auratus red var. (♀) × Megalobrama amblycephala(♂)

    Allopolyploids generally undergo bivalent pairing at meiosis because only homologous chromosomes pair up. On the other hand, several studies have documented abnormal chromosome behavior during mitosis and meio...

    Qinbo Qin, Yude Wang, Juan Wang, Jing Dai, Yun Liu and Shaojun Liu

    BMC Genetics 2014 15:95

    Published on: 2 September 2014

  13. Research article

    Aberrant PTPRO methylation in tumor tissues as a potential biomarker that predicts clinical outcomes in breast cancer patients

    Aberrant hypermethylation of gene promoter regions is a primary mechanism by which tumor suppressor genes become inactivated in breast cancer. Epigenetic inactivation of the protein tyrosine phosphatase recept...

    Shao-ying Li, Rong Li, Yu-li Chen, Li-kuang Xiong, Hui-lin Wang, Lei Rong and Rong-cheng Luo

    BMC Genetics 2014 15:67

    Published on: 11 June 2014

  14. Research article

    Karyotypic diversity in seven Amazonian anurans in the genus Hypsiboas (family Hylidae)

    Hypsiboas species have been divided into seven groups using morphological and genetic characters, but for most of the species, there is no cytogenetic information available. A cytogenetic analysis using conventio...

    Thais Lemos de Mattos, Ana Carolina Coelho, Carlos Henrique Schneider, David Otávio Carmo Telles, Marcelo Menin and Maria Claudia Gross

    BMC Genetics 2014 15:43

    Published on: 4 April 2014

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