sentence: Transcriptional analyses will now be welcome to pinpoint the changes that occurred during TA-habituation leading to increased resistance to TA and to common scab.Among the seven TA-habituated somaclones regenerated in this study , three were tested for common scab resistance and one of them , the somaclone RB9 , showed higher resistance to the disease than its non habituated counterpart ( Table 2 ) .