Asymmetrical canina meiosis is accompanied by the expansion of a pericentromeric satellite in non-recombining univalent chromosomes in the genus Rosa | Zendy

Jana Lunerová | Zendy; Veit Herklotz | Zendy; Melanie Laudien | Zendy; Radka Vozárová | Zendy; Marco Groth | Zendy; Aleš Kovařı́k | Zendy; Christiane M. Ritz | Zendy

Open Access

Asymmetrical canina meiosis is accompanied by the expansion of a pericentromeric satellite in non-recombining univalent chromosomes in the genus Rosa

Author(s) -

Jana Lunerová,

Veit Herklotz,

Melanie Laudien,

Radka Vozárová,

Marco Groth,

Aleš Kovařı́k,

Christiane M. Ritz

Publication year - 2020

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcaa028

Subject(s) - biology , meiosis , ploidy , bivalent (engine) , satellite dna , genome , genetics , karyotype , fluorescence in situ hybridization , chromosome , centromere , evolutionary biology , gene , chemistry , organic chemistry , metal

Despite their abundant odd-ploidy (2n = 5x = 35), dogroses (Rosa sect. Caninae) are capable of sexual reproduction due to their unique meiosis. During canina meiosis, two sets of chromosomes form bivalents and are transmitted by male and female gametes, whereas the remaining chromosomes form univalents and are exclusively transmitted by the egg cells. Thus, the evolution of chromosomes is expected to be driven by their behaviour during meiosis.

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