Female carriers of the T(5;12)31H reciprocal translocation had an average reduction of 73% in oocyte numbers compared with normal litter mates, which was of a magnitude similar to the reduction in sperm counts of male carriers. Analysis of synaptonemal complexes showed that the translocated chromosomes appeared as quadrivalents, or trivalents and univalents, or bivalents in both sexes. Quadriva...

A comprehensive review of cytogenetic features is provided for the large hemipteran suborder Auchenorrhyncha, which currently contains approximately 42,000 valid species. This review is based on the analysis of 819 species, 483 genera, and 31 families representing all presently recognized Auchenorrhyncha superfamilies, e.i. Cicadoidea (cicadas), Cercopoidea (spittle bugs), Membracoidea (leafhop...

Comparative genetic maps of two species allow insights into the rearrangements of their genomes since divergence from a common ancestor. When the map details the positions of genes (or any set of orthologous DNA sequences) on chromosomes, syntenic blocks of one or more genes may be identified and used, with appropriate models, to estimate the number of chromosomal segments with conserved conten...

Begonia sect. Baryandra is distributed mainly in the Philippines with a few species Borneo and New Guinea. Previous chromosome information of has restricted to ca. 16 their karyotypes have never been investigated. Here we report cytological investigations 26 Baryandra, including five karyotype analyses that are first 24 were reported cytologically for time, two re-examined. Incorporating previo...

BACKGROUND AND AIMS Anthurium is an important horticultural crop from the family Araceae, order Alismatales, a lineage considered to have diverged from other monocots prior to the cereals. Genome size and its distribution in Anthurium were investigated to gain a basic understanding of genome organization in this large genus and to forge a firm foundation for advancement of molecular approaches ...

Fifty-one patients with previously untreated or minimally treated chronic myelogenous leukemia in chronic phase received human alpha interferon 3 to 9 X 10(6) units intramuscularly (IM) daily until complete hematologic remission, then at doses ranging from 3 X 10(6) units every other day to 9 X 10(6) units daily. Forty-one (80%) patients achieved a hematologic response, 36 (71%) of them attaini...