Kim Osman
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Explore the profile of Kim Osman including associated specialties, affiliations and a list of published articles.
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29
Citations
812
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Recent Articles
1.
Osman K, Desjardins S, Simmonds J, Burridge A, Kanyuka K, Henderson I, et al.
New Phytol
. 2024 Apr;
244(2):528-541.
PMID: 38584326
Meiotic crossovers (COs) generate genetic diversity and are crucial for viable gamete production. Plant COs are typically limited to 1-3 per chromosome pair, constraining the development of improved varieties, which...
2.
Hyde L, Osman K, Winfield M, Sanchez-Moran E, Higgins J, Henderson I, et al.
Plant Biotechnol J
. 2022 Nov;
21(2):405-418.
PMID: 36373224
Increasing crop yields through plant breeding is time consuming and laborious, with the generation of novel combinations of alleles being limited by chromosomal linkage blocks and linkage-drag. Meiotic recombination is...
3.
Higgins J, Osman K, Desjardins S, Henderson I, Edwards K, Franklin F
Biochem Soc Trans
. 2022 Jul;
50(4):1179-1186.
PMID: 35901450
Wheat is a major cereal crop that possesses a large allopolyploid genome formed through hybridisation of tetraploid and diploid progenitors. During meiosis, crossovers (COs) are constrained in number to 1-3...
4.
Lambing C, Kuo P, Kim J, Osman K, Whitbread A, Yang J, et al.
PLoS Genet
. 2022 Jul;
18(7):e1010298.
PMID: 35857772
During meiosis, DNA double-strand breaks (DSBs) occur throughout the genome, a subset of which are repaired to form reciprocal crossovers between chromosomes. Crossovers are essential to ensure balanced chromosome segregation...
5.
Osman K, Franklin F, Sanchez-Moran E
Methods Mol Biol
. 2022 Apr;
2484:71-84.
PMID: 35461445
This chapter describes several cytogenetic procedures developed for investigating meiotic recombination in pollen mother cells (PMCs) of hexaploid wheat (Triticum aestivum) using standard fluorescence microscopy. Two basic methods are used...
6.
Tock A, Holland D, Jiang W, Osman K, Sanchez-Moran E, Higgins J, et al.
Genome Res
. 2021 Aug;
31(9):1614-1628.
PMID: 34426514
The hexaploid bread wheat genome comprises over 16 gigabases of sequence across 21 chromosomes. Meiotic crossovers are highly polarized along the chromosomes, with elevation in the gene-dense distal regions and...
7.
Osman K, Algopishi U, Higgins J, Henderson I, Edwards K, Franklin F, et al.
Front Plant Sci
. 2021 Mar;
12:631323.
PMID: 33679846
Meiotic recombination generates genetic variation and provides physical links between homologous chromosomes (crossovers) essential for accurate segregation. In cereals the distribution of crossovers, cytologically evident as chiasmata, is biased toward...
8.
Cuacos M, Lambing C, Pachon-Penalba M, Osman K, Armstrong S, Henderson I, et al.
J Exp Bot
. 2021 Jan;
72(8):3012-3027.
PMID: 33502451
Meiosis generates genetic variation through homologous recombination (HR) that is harnessed during breeding. HR occurs in the context of meiotic chromosome axes and the synaptonemal complex. To study the role...
9.
Lambing C, Tock A, Topp S, Choi K, Kuo P, Zhao X, et al.
Plant Cell
. 2020 Feb;
32(4):1218-1239.
PMID: 32024691
Meiosis recombines genetic variation and influences eukaryote genome evolution. During meiosis, DNA double-strand breaks (DSBs) enter interhomolog repair to yield crossovers and noncrossovers. DSB repair occurs as replicated sister chromatids...
10.
Martinez-Garcia M, Schubert V, Osman K, Darbyshire A, Sanchez-Moran E, Franklin F
J Cell Biol
. 2018 Sep;
217(12):4070-4079.
PMID: 30266762
During the zygotene stage of meiosis, normal progression of chromosome synapsis and homologous recombination frequently lead to the formation of structural interlocks between entangled chromosomes. The persistence of interlocks through...