Evolutionary plasticity of acipenseriform genomes

Acipenseriformes is an order of ray-finned fishes, comprising 27 extant species of sturgeons and paddlefishes inhabiting waters of the Northern Hemisphere. The order has a basal position within Actinopteri (ray-finned fish minus polypterids) and is characterized by many specific morphological and ge...

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Bibliographic Details
Published in:Chromosoma 2016-09, Vol.125 (4), p.661-668
Main Authors: Trifonov, Vladimir A., Romanenko, Svetlana S., Beklemisheva, Violetta R., Biltueva, Larisa S., Makunin, Alexey I., Lemskaya, Natalia A., Kulemzina, Anastasia I., Stanyon, Roscoe, Graphodatsky, Alexander S.
Format: Article
Language:English
Subjects:
Acipenser
Acipenseriformes
Animal Genetics and Genomics
Animals
Biochemistry
Biological Evolution
Biomedical and Life Sciences
Cell Biology
Cytogenetics
Developmental Biology
Eukaryotic Microbiology
Evolution, Molecular
Fishes - genetics
Genome - genetics
Human Genetics
Karyotype
Life Sciences
Mini-Review
Polyploidy
Sex Determination Processes - genetics
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Summary:Acipenseriformes is an order of ray-finned fishes, comprising 27 extant species of sturgeons and paddlefishes inhabiting waters of the Northern Hemisphere. The order has a basal position within Actinopteri (ray-finned fish minus polypterids) and is characterized by many specific morphological and genomic features, including high diploid chromosome numbers, various levels of ploidy between species, unclear sex determination, and propensity to interspecific hybridization. Recent advances in molecular genetics, genomics, and comparative cytogenetics produced novel data on different aspects of acipenseriform biology, including improved phylogenetic reconstructions and better understanding of genome structure. Here, we discuss the cytogenetic and genomic traits of acipenseriforms and their connection with polyploidization and tolerance to interspecific hybridization.
ISSN:0009-5915
1432-0886
DOI:10.1007/s00412-016-0609-2