Keywords: neocentromere
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The maize abnormal chromosome 10 meiotic drive haplotype: a reviewR. K. Dawe, Chromosome Research, 2022.
The maize abnormal chromosome 10 (Ab10) haplotype encodes a meiotic drive system that converts heterochromatic knobs into centromere-like bodies that are preferentially segregated through female meiosis. Ab10 was first described in the 1940s and has been intensively studied. Here ... |
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Mixed knobs in corn cobsP. Lamelza and M. A. Lampson, Genes and Development, 34:1110-1112. 2020.
In this issue of Genes & Development, Swentowsky and colleagues (pp. 1239-1251) show that two types of knobs, those composed of 180-bp and TR1 sequences, recruit their own novel and divergent kinesin-14 family members to form neocentromeres. |
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Distinct kinesin motors drive two types of maize neocentromeresK. W. Swentowsky, J. I. Gent, E. G. Lowry, V. Schubert, X. Ran, K. F. Tseng, A. E. Harkess, W. H. Qiu and R. K. Dawe, Genes and Development, 34:1239-1251. 2020.
Here we describe a second kinesin-14 gene, TR-1 kinesin (Trkin), that is required to mobilize neocentromeres made up of the minor tandem repeat TR-1. |
