Editorial – Chromosome Research at the start of 2001, including a tribute to Wolfgang Beermann (1921–2000) Editorial Board Pages: 1 - 2
Cytogenetics of nine species of Mediterranean blennies and additional evidence for an unusual multiple sex-chromosome system in Parablennius tentacularis (Perciformes, Blenniidae) V. CaputoN. MachellaE. Olmo OriginalPaper Pages: 3 - 12
Meiosis in primary trisomics of rye: considerations for models of chromosome pairing Manuel DíezJuan L. SantosTomás Naranjo OriginalPaper Pages: 13 - 23
Karyotype comparison and phylogenetic relationships of Pipistrellus-like bats (Vespertilionidae; Chiroptera; Mammalia) M. VollethG. BronnerH.-S. Yong OriginalPaper Pages: 25 - 46
Chromosomal location and evolution of a satellite DNA family in seven sturgeon species M. LanfrediL. CongiuF. Fontana OriginalPaper Pages: 47 - 52
Mapping of 13 horse genes by fluorescence in-situ hybridization (FISH) and somatic cell hybrid analysis Gabriella LindgrenMatthew BreenHans Ellegren OriginalPaper Pages: 53 - 59
Conservation of the rat X chromosome gene order in rodent species Asato KuroiwaKimiyuki TsuchiyaYoichi Matsuda OriginalPaper Pages: 61 - 67
Chromosome regions enriched in hyperacetylated histone H4 are preferred sites for endonuclease- and radiation-induced breakpoints W. Martínez-LópezG. A. FolleP. Jeppesen OriginalPaper Pages: 69 - 75
Two-color fluorescence labeling of early and mid-to-late replicating chromatin in living cells Lothar SchermellehIrina SoloveiThomas Cremer OriginalPaper Pages: 77 - 80
Book Review – Practical in situ Hybridization By T. Schwarzacher & P. Heslop-Harrison Michael SchmidIndrajit Nanda BookReview Pages: 81 - 82