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Fig. 1 | BMC Genomics

Fig. 1

From: Inter-genome comparison of the Quorn fungus Fusarium venenatum and the closely related plant infecting pathogen Fusarium graminearum

Fig. 1

Circos plot of genome comparison between F. venenatum and F. graminearum. The four chromosomes of each species are represented in a mirror image with the predicted secretomes highlighted in black on the ideograms. The secondary metabolite clusters unique to each species are coloured on the ideograms and labelled “C” for Fg or “VC” for Fv, with prominent gene functions where applicable. The TRI cluster is the exception being found in both species but is represented on the plot due to the importance of trichothecene mycotoxin production to virulence in Fg. TRI16 is also labelled on Fv because this TRI gene is not present in F. graminearum PH-1 and is not found in the TRI cluster. The second ring is a heatmap of the protein similarity between the two species with blue representing high and red low similarity. The third ring is a red and blue representation of the similarity from a genome wide alignment with red regions representing an alignment and blue none. Both the low similarity regions from the protein annotation blast comparisons and a lastz alignment of the genome show the regions with a high rate of recombination, such as the secretome regions, and are therefore less similar to one another. The links between the two species in the form of ribbons show translocations and inversions of regions between the two genomes. The large inversion on chromosome 3 has three parts coloured due to translocations within this region and Additional file 9 provides a detailed view of this region

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