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+The isolated DNA fragments were used for library preparation and indexing with TruSeq DNA PCR-free sample preparation kit (Illumina, Chesterford, UK) according to manufacturer’s instructions, leaving out the DNA size selection steps. Libraries were quantified using KAPA library quant kit (Peqlab, Bonn, Germany) and normalized for pooling. These pooled libraries were sequenced using the MiSeq device (Illumina) (paired-end sequencing, read length: 2 x 150 bases). 
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