volume 32 no. 1 pp 81 - 211     Editorial   Growing pains  pp 81 - 82 doi:10.1038/ng0902-81       News & Views   A leukemogenic twist for GATA1  pp 83 - 84 A. Thomas Look    SEE ALSO 148 Published online: 12 August 2002, doi:10.1038/ng960     Paths to the pancreas  pp 85 - 86 Roque Bort & Ken Zaret    SEE ALSO 128 doi:10.1038/ng0902-85     Stopping transcription in its tracks  pp 87 - 88 Barbara Jennings    SEE ALSO 206 Published online: 29 July 2002, doi:10.1038/ng943     ATM heterozygosity and cancer risk  pp 89 - 90 Patrick Concannon    SEE ALSO 185 doi:10.1038/ng0902-89     Immortalizing the immortal  pp 90 - 91 Howard J. Cooke doi:10.1038/ng0902-90     TOUCHINGbase  p 93 doi:10.1038/ng0902-93

Book Review   The Molecule Hunt: Archaeology and the Search for Ancient DNA   p 95 by Martin Jones Reviewed by John H. Relethford doi:10.1038/ng0902-95       Progress   Genetics, cytokines and human infectious disease: lessons from weakly pathogenic mycobacteria and salmonellae  pp 97 - 105 T H M Ottenhoff, F A W Verreck, E G R Lichtenauer-Kaligis, M A Hoeve, O Sanal & J T v van Dissel doi:10.1038/ng0902-97

Brief Communications   Efficient delivery of siRNA for inhibition of gene expression in postnatal mice  pp 107 - 108 D L Lewis, J E Hagstrom, A G Loomis, J A Wolff & H Herweijer Published online: 29 July 2002, doi:10.1038/ng944       Articles   Distal ureter morphogenesis depends on epithelial cell remodeling mediated by vitamin A and Ret  pp 109 - 115 E Batourina, C Choi, N Paragas, N Bello, T Hensle, F D Costantini, A Schuchardt, R L Bacallao & C L Mendelsohn Published online: 26 August 2002, doi:10.1038/ng952     Targeted mutation of Cyln2 in the Williams syndrome critical region links CLIP-115 haploinsufficiency to neurodevelopmental abnormalities in mice  pp 116 - 127 C C Hoogenraad, B Koekkoek, A Akhmanova, H Krugers, B Dortland, M Miedema, A van Alphen, W M Kistler, M Jaegle, M Koutsourakis, N Van Camp, M Verhoye, A van der Linden, I Kaverina, F Grosveld, C I De Zeeuw & N Galjart Published online: 26 August 2002, doi:10.1038/ng954     The role of the transcriptional regulator Ptf1a in converting intestinal to pancreatic progenitors  pp 128 - 134 Y Kawaguchi, B Cooper, M Gannon, M Ray, R J MacDonald & C V E Wright    SEE ALSO 85 Published online: 19 August 2002, doi:10.1038/ng959     Human genome sequence variation and the influence of gene history, mutation and recombination  pp 135 - 142 D E Reich, S F Schaffner, M J Daly, G McVean, J C Mullikin, J M Higgins, D J Richter, E S Lander & D Altshuler Published online: 5 August 2002, doi:10.1038/ng947

Letters   The transcriptional program of meiosis and sporulation in fission yeast  pp 143 - 147 J Mata, R Lyne, G Burns & J Bähler Published online: 5 August 2002, doi:10.1038/ng951     Acquired mutations in GATA1 in the megakaryoblastic leukemia of Down syndrome  pp 148 - 152 J Wechsler, M Greene, M A McDevitt, J Anastasi, J E Karp, M M Le Beau & J D Crispino    SEE ALSO 83 Published online: 12 August 2002, doi:10.1038/ng955     High-throughput retroviral tagging to identify components of specific signaling pathways in cancer  pp 153 - 159 H Mikkers, J Allen, P Knipscheer, L Romeyn, A Hart, E Vink & A Berns Published online: 19 August 2002, doi:10.1038/ng950     Genome-wide retroviral insertional tagging of genes involved in cancer in Cdkn2a-deficient mice  pp 160 - 165 A H Lund, G Turner, A Trubetskoy, E Verhoeven, E Wientjens, D Hulsman, R Russell, R A DePinho, J Lenz & M van Lohuizen Published online: 19 August 2002, doi:10.1038/ng956     New genes involved in cancer identified by retroviral tagging  pp 166 - 174 T Suzuki, H Shen, K Akagi, H C Morse III, J D Malley, D Q Naiman, N A Jenkins & N G Copeland Published online: 19 August 2002, doi:10.1038/ng949     Mutant deoxynucleotide carrier is associated with congenital microcephaly  pp 175 - 179 M J Rosenberg, R Agarwala, G Bouffard, J Davis, G Fiermonte, M S Hilliard, T Koch, L M Kalikin, I Makalowska, D H Morton, E M Petty, J L Weber, F Palmieri, R I Kelley, A A Schäffer & L G Biesecker Published online: 19 August 2002, doi:10.1038/ng948     BRCA1 induces DNA damage recognition factors and enhances nucleotide excision repair  pp 180 - 184 A -R Hartman & J M Ford Published online: 26 August 2002, doi:10.1038/ng953     Mice heterozygous for mutation in Atm, the gene involved in ataxia-telangiectasia, have heightened susceptibility to cancer  pp 185 - 190 K Spring, F Ahangari, S P Scott, P Waring, D M Purdie, P C Chen, K Hourigan, J Ramsay, P J McKinnon, M Swift & M F Lavin    SEE ALSO 89 Published online: 26 August 2002, doi:10.1038/ng958     Biochemical networking contributes more to genetic buffering in human and mouse metabolic pathways than does gene duplication  pp 191 - 194 T Kitami & J H Nadeau Published online: 5 August 2002, doi:10.1038/ng945     Homozygous Tsix mutant mice reveal a sex-ratio distortion and revert to random X-inactivation  pp 195 - 200 J T Lee Published online: 29 July 2002, doi:10.1038/ng939     Survival signaling mediated by c-Jun NH2-terminal kinase in transformed B lymphoblasts  pp 201 - 205 P Hess, G Pihan, C L Sawyers, R A Flavell & R J Davis Published online: 5 August 2002, doi:10.1038/ng946     Distinct in vivo requirements for establishment versus maintenance of transcriptional repression  pp 206 - 210 J C Wheeler, C VanderZwan, X Xu, D Swantek, W D Tracey & J P Gergen    SEE ALSO 87 Published online: 29 July 2002, doi:10.1038/ng942       Erratum   Erratum: Digenic inheritance of severe insulin resistance in a human pedigree  p 211 D B Savage, M Agostini, I Barroso, M Gurnell, J Luan, A Meirhaeghe, A-H Harding, G Ihrke, O Rajanayagam, M A Soos, S George, D Berger, E L Thomas, J D Bell, K Meeran, R J Ross, A Vidal-Puig, N J Wareham, S O'Rahilly, V K K Chatterjee & A J Schafer doi:10.1038/ng0902-211