Authors: Zhang, XH Brotherton, JE Widholm, JM Portis, AR

Citation: Xh. Zhang et al., Targeting a nuclear anthranilate synthase alpha-subunit gene to the tobacco plastid genome results in enhanced tryptophan biosynthesis. Return of a gene to its pre-endosymbiotic origin, PLANT PHYSL, 127(1), 2001, pp. 131-141

Authors: Widholm, JM Chinnala, AR Ryu, JH Song, HS Eggett, T Brotherton, JE

Citation: Jm. Widholm et al., Glyphosate selection of gene amplification in suspension cultures of 3 plant species, PHYSL PLANT, 112(4), 2001, pp. 540-545

Authors: Cho, HJ Brotherton, JE Song, HS Widholm, JM

Citation: Hj. Cho et al., Increasing tryptophan synthesis in a forage legume Astragalus sinicus by expressing the tobacco feedback-insensitive anthranilate synthase (ASA2) gene, PLANT PHYSL, 123(3), 2000, pp. 1069-1076