The Meso.viri.cl. sequence was found by searching the Mesostigma viride chloroplast complete genome sequence (GenBank AC# AF166114) using BRUCE. The reference for the Mesostigma viridie chloroplast genome sequence is: Lemieux, C., Otis, C. and Turmel, M. (2000) Ancestral chloroplast genome in Mesostigma viride reveals an early branch of green plant evolution. Nature 403 (6770), 649-652. Reference for BRUCE: Laslett, D., Canback, B. and Andersson, S. (2002) BRUCE: a program for the detection of transfer-messenger RNA genes in nucleotide sequences. Nucleic Acids Res. 30, 3449-3453. BRUCE can be found at http://artedi.ebc.uu.se/Bjorn/Tmrna/index.html.