Purification of chloroplast elongation factor tu from a somatic hybrid between nicotiana tabacum and nicotiana rustica

Zhao, S.M.; Tiboni, O.; Ciferri, O.

Plant Science Letters 32(3): 287-294


DOI: 10.1016/0304-4211(83)90034-2
Accession: 006232388

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Chloroplast elongation factor Tu (EF-Tuchl) was purified from chloroplasts of F2 plants of an interspecific somatic hybrid between N. tabacum and N. rustica. The protein was purified .apprx. 90-fold with a recovery of .apprx. 15% of the activity. By polyacrylamide gel electrophoresis, the MW of EF-Tuchl appears to be .apprx. 45,000. Similar values were found for the EF-Tu isolated from chloroplasts of the parent species. EF-Tuchl from the Nicotiana hybrid was immunoprecipitated by an antiserum raised against the spinach protein.