RT Journal A1 Nagaraja, R A1 MacMillan, S A1 Kere, J A1 Jones, C A1 Griffin, S A1 Schmatz, M A1 Terrell, J A1 Shomaker, M A1 Jermak, C A1 Hott, C A1 Masisi, M A1 Mumm, S A1 Srivastava, A A1 Pilia, G A1 Featherstone, T A1 Mazzarella, R A1 Kesterson, S A1 McCauley, B A1 Railey, B A1 Burough, F A1 Nowotny, V A1 D'Urso, M A1 States, D A1 Brownstein, B A1 Schlessinger, D T1 X chromosome map at 75-kb STS resolution, revealing extremes of recombination and GC content. JF Genome Research JO Genome Research YR 1997 FD March 01 VO 7 IS 3 SP 210 OP 222 DO 10.1101/gr.7.3.210 UL http://genome.cshlp.org/content/7/3/210.abstract AB A YAC/STS map of the X chromosome has reached an inter-STS resolution of 75 kb. The map density is sufficient to provide YACs or other large-insert clones that are cross-validated as sequencing substrates across the chromosome. Marker density also permits estimates of regional gene content and a detailed comparison of genetic and physical map distances. Five regions are detected with relatively high G + C, correlated with gene richness; and a 17-Mb region with very low recombination is revealed between the Xq13.3 [XIST] and Xq21.3 XY homology loci.