Table 2 Contig and singleton statistics. Breakdown with respect to their number. GC content, average length and % annotated are shown. Annotation was determined by having a homolog in any of the databases searched with an E-value of 1.0e-06. Even though the Candidatus Portiera aleyrodidarum bacterial DNA was present in the assembly processes, the sequences were removed when statistical calculations were carried out (represented by *) to avoid distortion of the results