1. Hereditary spastic paraplegia: mitochondrial metalloproteases of yeast

   • D. A. Pearce

   Review article Pages: 443 - 448

2. Evaluation of the Best disease gene in patients with age-related macular degeneration and other maculopathies

   • R. Allikmets
   • Johanna M. Seddon
   • Konstantin Petrukhin

   Rapid communication Pages: 449 - 453

3. NME6: a new member of the nm23/nucleoside diphosphate kinase gene family located on human chromosome 3p21.3

   • James G. Mehus
   • Panagiotis Deloukas
   • D. O. Lambeth

   Rapid communication Pages: 454 - 459

4. A mitochondrial cytochrome b mutation but no mutations of nuclearly encoded subunits in ubiquinol cytochrome c reductase (complex III) deficiency

   • Isabelle Valnot
   • Johanna Kassis
   • Agnès Rötig

   Original investigation Pages: 460 - 466

5. Gene expression patterns in cell lines from patients with 18q– syndrome

   • Zhiqiang Wang
   • Jannine D. Cody
   • P. O’Connell

   Original investigation Pages: 467 - 475

6. Hyperinsulinism-hyperammonemia syndrome caused by mutant glutamate dehydrogenase accompanied by novel enzyme kinetics

   • T. Yorifuji
   • Junko Muroi
   • Toru Momoi

   Original investigation Pages: 476 - 479

7. Genetic anticipation in Portuguese kindreds with familial amyloidotic polyneuropathy is unlikely to be caused by triplet repeat expansions

   • Miguel Soares
   • Joel Buxbaum
   • Maria João Saraiva

   Original investigation Pages: 480 - 485

8. Ancestral origin of variation in the triosephosphate isomerase gene promoter

   • A. Humphries
   • A. Ationu
   • D. M. Layton

   Original investigation Pages: 486 - 491

9. Association of the human NPPS gene with ossification of the posterior longitudinal ligament of the spine (OPLL)

   • Isao Nakamura
   • Shiro Ikegawa
   • Y. Nakamura

   Original investigation Pages: 492 - 497

10. Molecular cloning and characterization of the human NUDC gene

    • Naomichi Matsumoto
    • D. H. Ledbetter

    Original investigation Pages: 498 - 504

11. Comparison of complementary and genomic DNA sequencing for the detection of mutations in the HMBS gene in British patients with acute intermittent porphyria: identification of 25 novel mutations

    • Sharon D. Whatley
    • Jackie R. Woolf
    • G. H. Elder

    Original investigation Pages: 505 - 510

12. Two novel mutations in a cystic fibrosis patient of Chinese origin

    • John A. Wagner
    • Athina Vassilakis
    • J. J. Wine

    Original investigation Pages: 511 - 515

13. Spinocerebellar ataxias in Spanish patients: genetic analysis of familial and sporadic cases

    • Miguel Angel Pujana
    • Jordi Corral
    • The Ataxia Study Group

    Original investigation Pages: 516 - 522

14. Molecular analysis of hyperoxaluria type 1 in Italian patients reveals eight new mutations in the alanine : glyoxylate aminotransferase gene

    • Doroti Pirulli
    • Daniela Puzzer
    • Fiorella Florian

    Short report Pages: 523 - 525

15. Intragenic polymorphic missense mutations in the XLRS1 gene in families with juvenile X-linked retinoschisis

    • Miki Hiraoka
    • Michael T. Trese
    • B. S. Shastry

    Letter to the editor Pages: 526 - 527

16. Erratum: Hum Genet (1999) 104 : 241–248

    Pages: 528 - 528

17. Human gene mutations

    Pages: 529 - 529