ISSN:
1615-6110
Keywords:
Angiosperms
;
Poaceae
;
Triticeae
;
Secale cereale
;
Agropyron cristatum
;
350-family DNA sequences
;
R and P genome
;
in situ hybridization
;
Nor-loci
;
5 S-DNA loci
;
relationship
;
chromosome pairing
;
isozymes
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Evidence is presented that in the R and P genomes (Secale cereale andAgropyron cristatum, respectively) of theTriticeae there exist closely related 350-family DNA sequences in the terminal heterochromatin. This observation is compared to the relationships between these two genomes derived from a comparison of theNor and5 S DNA loci as well as the available data on morphological characters, chromosome pairing, and isozyme studies. It is concluded that the R and P genomes are not closely related and that the common presence of very similar 350-family DNA sequences reflects the parallel amplification of this family of DNA sequences.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00936710
