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TY - JOUR AU - Morden, Clifford W. AU - Golden, Susan S. PY - 1989 DA - 1989/06/01 TI - psbA genes indicate common ancestry of prochlorophytes and chloroplasts JO - Nature SP - 400 EP - 400 VL - 339 IS - 6223 AB - Nature 337, 382–385 (1989) THE phylogenetic tree shown in Fig. 3 of this letter was generated using a data set in which numeric coding errors have been found. These were detected by using a new version of PAUP1 which interprets the single-letter amino acid code directly and does not require coding. The uncoded amino acid data set was analysed as previously reported, using the branch and bound option of PAUP 1. SN - 1476-4687 UR - https://doi.org/10.1038/339400a0 DO - 10.1038/339400a0 ID - Morden1989 ER -