2018
DOI: 10.3389/fpls.2018.01791
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Abstract: Polyploidization is a fundamental process in plant evolution. One of the biggest challenges faced by a new polyploid is meiosis, particularly discriminating between multiple related chromosomes so that only homologous chromosomes synapse and recombine to ensure regular chromosome segregation and balanced gametes. Despite its large genome size, high DNA repetitive content and similarity between homoeologous chromosomes, hexaploid wheat completes meiosis in a shorter period than diploid species with a much small… Show more

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Cited by 29 publications
(49 citation statements)
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“…Thus, in comparison to model plants (Arabidopsis and rice), few MGs have been functionally characterized in wheat. Characterised wheat MGs include TaASY1 [ 54,55 ], TaMSH7 [ 56 ], TaRAD51 [ 57,58 ], TaDMC1 [ 57,58 ], TaPSH1 [ 59 ], TaZIP4 [ 31-33 ] and RecQ-7 [ 60 ]. Given that, the assessment of whether the three modules contain known MGs was undertaken using orthology informed approaches.…”
Section: Resultsmentioning
confidence: 99%
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“…Thus, in comparison to model plants (Arabidopsis and rice), few MGs have been functionally characterized in wheat. Characterised wheat MGs include TaASY1 [ 54,55 ], TaMSH7 [ 56 ], TaRAD51 [ 57,58 ], TaDMC1 [ 57,58 ], TaPSH1 [ 59 ], TaZIP4 [ 31-33 ] and RecQ-7 [ 60 ]. Given that, the assessment of whether the three modules contain known MGs was undertaken using orthology informed approaches.…”
Section: Resultsmentioning
confidence: 99%
“…The wheat ZIP4 , an ortholog of ZIP4/Spo22 in A. thaliana and rice, is a member of the ZMM genes involved in the synaptonemal complex formation and class I crossovers pathway [ 75,76 ]. Moreover, wheat lacking Ph1 exhibits extensive genome rearrangements, including translocation, duplications, and deletions [ 33 ]. Thus, the evolution of Ph1 during wheat polyploidization may explain why wheat has largely maintained a similar gene content and balanced expression of its homeologs.…”
Section: Resultsmentioning
confidence: 99%
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