CC-127 arg2/arg7 mt- [diploid]

Source: From a cross in R.P. Levine's laboratory of arg2 mt+ x arg7 mt, selected as a potential diploid. This strain was brought to Duke by N.W. Gillham in 1968. Arginine-requiring progeny have been recovered from crosses to wild-type mt+.

Comment: This is the strain we normally distribute when a basic "wild-type" diploid strain is requested. Karen Kindle has reported that CC-127 grows on nitrate, suggesting that at least one of the parental stocks was not in the Levine (nit1 nit2) 137c background.

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