| Effects of carriage and expression of the Tn10 tetracycline-resistance operon on the fitness of Escherichia coli K12 | TN Nguyen, QG Phan, LP Duong, KP Bertrand, RE Lenski | 213 |
| Phylogeny of some Fusarium species, as determined by large-subunit rRNA sequence comparison | J Guadet, J Julien, JF Lafay, Y Brygoo | 227 |
| srRNA evolution and phylogenetic relationships of the genus Naegleria (Protista: Rhizopoda) | PR Baverstock, S Illana, PE Christy, BS Robinson, AM Johnson | 243 |
| DNA fingerprints from hypervariable mitochondrial genotypes | JC Avise, BW Bowen, T Lamb | 258 |
| Evidence from nuclear sequences that invariable sites should be considered when sequence divergence is calculated | JS Shoemaker, WM Fitch | 270 |
| Variances of the average numbers of nucleotide substitutions within and between populations | M Nei, L Jin | 290 |
| Mechanized derivation of linear invariants | JA Cavender | 301 |
| Potential structural motifs for reverse transcriptases | TA Webster, R Patarca, RH Lathrop, TF Smith | 317 |
| Conservation of amino acid sequences in albumin: is albumin an essential protein? | ME Baker | 321 |