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

Overview of attention for article published in BMC Genomic Data, September 2014
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Title
Abnormal chromosome behavior during meiosis in the allotetraploid of Carassius auratus red var. (♀) × Megalobrama amblycephala(♂)
Published in
BMC Genomic Data, September 2014
DOI 10.1186/s12863-014-0095-6
Pubmed ID
Authors

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

Abstract

BackgroundAllopolyploids 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 meiosis in allopolyploids plants leading to the production of gametes with complete paternal or maternal chromosomes. Polyploidy is relatively rare in animals compared with plants; thus, chromosome behavior at meiosis in the allopolyploid animals is poorly understood.ResultsTetraploid hybrids (abbreviated as 4nRB) (4n¿=¿148, RRBB) of Carassius auratus red var. (abbreviated as RCC) (2n¿=¿100, RR) (¿)¿×¿Megalobrama amblycephala (abbreviated as BSB) (2n¿=¿48, BB) (¿) generated gametes of different size. To test the genetic composition of these gametes, the gynogenetic offspring and backcross progenies of 4nRB were produced, and their genetic composition were examined by chromosome analysis and FISH. Our results suggest that 4nRB can produce several types of gametes with different genetic compositions, including allotetraploid (RRBB), autotriploid (RRR), autodiploid (RR), and haploid (R) gametes.ConclusionsThis study provides direct evidence of abnormal chromosome behavior during meiosis in an allotetraploid fish.

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Mendeley readers

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Geographical breakdown

Country Count As %
United States 1 14%
Unknown 6 86%

Demographic breakdown

Readers by professional status Count As %
Other 1 14%
Student > Doctoral Student 1 14%
Student > Bachelor 1 14%
Student > Ph. D. Student 1 14%
Researcher 1 14%
Other 1 14%
Unknown 1 14%
Readers by discipline Count As %
Agricultural and Biological Sciences 6 86%
Unknown 1 14%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 22 September 2014.
All research outputs
#20,656,161
of 25,373,627 outputs
Outputs from BMC Genomic Data
#861
of 1,204 outputs
Outputs of similar age
#181,729
of 248,616 outputs
Outputs of similar age from BMC Genomic Data
#13
of 21 outputs
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