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Genetic stability detection of HY9901ΔtyeA deletion mutant. M: DL2000 marker, Lane 1. A fragment of 1,489 bp is obtained for HY9901 using primer pairs of tyeA-up/tyeA-down. Lane 2. A fragment of 1,252 bp is obtained for HY9901ΔtyeA using primer pairs of tyeA-up/tyeA-down.
