Brassica and Its Close Allies: Cytogenetics and Evolution

TL;DR: Armed with new genetic resources from trigenomic bridges, Brassica breeders will be able to improve yield and broaden adaptation of Brassica crops to meet human demands for food and biofuel, particularly in the face of abiotic constraints caused by climate change.

TL;DR: This review introduces the Brassica crop species and their wild relatives, barriers to interspecific and intergeneric hybridization and methods to overcome them, previous successful and unsuccessful attempts at the use of interspecific hybridization for crop improvement in Brassica, and provides information about resources available to breeders wishing to take advantage of this method.

TL;DR: The marker data and geographic distribution of Groups 1 and 2 were consistent with two independent migrations of B. juncea from its center of origin in the Middle East and neighboring regions along trade routes to western China and northern India, followed by regional adaptation.

TL;DR: It is speculated that the putative candidate male sterility gene orf108 may not be responsible for the CMS observed in Brassica oxyrrhina and Diplotaxis catholica, and the potential coincidence of CMS in alloplasmic lines is proposed.

TL;DR: The alien C-genome chromosome in aBrassica campestris-alboglabra monosomic addition line was characterized by random amplified polymorphic DNA (RAPD) analysis and revealed 17 markers specific to the alien chromosome.

TL;DR: The presence of three pairs of active NORs in B. nigra and S. arvensis is an additional support for the hypothesis of a basic number of ×= 3 in the Brassiceae, and silver staining was used to characterize the satellited chromosomes.

TL;DR: The apparent separation of parental genomes and subsequent formation of pollen with either of the parental genomes explains the production of plants with 2n = 38 of B. napus morphology among the progenies of these hybrids.

TL;DR: Development in vitro of ovaries excised at fcur days after pollination was studied in various culture media, temprature and light intensities and seed set in the capsules and percentage of germinated seeds in excised ovaries were different between the sibmate of diploid Seppaku-taina and autotetraloid Nozaki-hakusai.