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Fig. 4 | BMC Plant Biology

Fig. 4

From: Oligo-painting and GISH reveal meiotic chromosome biases and increased meiotic stability in synthetic allotetraploid Cucumis ×hytivus with dysploid parental karyotypes

Fig. 4

Tracing individual chromosome pairing in MI PMCs of the F1 hybrid. a-d The pairing behavior of chromosomes C5, H9 and H10 tracked by C5-oligos (red) and 45S rDNA probes (green). a The chromosomes C5, H9 and H10 as univalents. b Homoeologous pairing of C5 and H9 (white arrow). The pairing of H9 with another chromosome is shown in the box. H10 was paired with another chromosome (red arrow). c Homoeologous pairing of C5 and H10 (white arrow). d The chromosomes H9 and H10 were mispairing or connected together to form autosyndetic pairing (white arrow). All pairing configurations were enlarged in insets without FISH signals. e-h The pairing behavior of chromosomes C7 and H1 tracked by C7-oligo (green) and Type III probes (red). e The chromosomes C7 and H1 as univalents. f Homoeologous pairing of C7 and H1 (white arrow), a C-H-H-C intergenomic quadrivalent (red arrow). g Two intergenomic bivalents (white arrows) and one H-C-H trivalent (red arrow). h Two H-chromosomes formed an autosyndetic pairing (white arrow). Bars = 5 μm

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BMC Plant Biology

ISSN: 1471-2229

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