| Concerted transpositions of mobile genetic elements coupled with fitness changes in Drosophila melanogaster | EG Pasyukova, ES Belyaeva, GL Kogan, LZ Kaidanov, VA Gvozdev | 299 |
| Sequence of a cDNA for mouse thymidylate synthase reveals striking similarity with the prokaryotic enzyme | SM Perryman, C Rossana, TL Deng, EF Vanin, LF Johnson | 313 |
| Neighboring base effects on substitution rates in pseudogenes | M Bulmer | 322 |
| Molecular evolution of mammalian lactate dehydrogenase-A genes and pseudogenes: association of a mouse processed pseudogene with a B1 repetitive sequence | KM Fukasawa, WH Li, K Yagi, CC Luo, SS Li | 330 |
| The simple repeat poly(dT-dG).poly(dC-dA) common to eukaryotes is absent from eubacteria and archaebacteria and rare in protozoans | J Morris, SR Kushner, R Ivarie | 343 |
| Pinniped phylogeny enlightened by molecular hybridizations using highly repetitive DNA | U Arnason, B Widegren | 356 |
| Differences in specificity and catalytic efficiency between allozymes of esterase-4 from Drosophila mojavensis | J Pen, A Schipper, HA Rongen, JJ Beintema | 366 |
