In:
FEBS Letters, Wiley, Vol. 471, No. 2-3 ( 2000-04-14), p. 161-164
Kurzfassung:
Almost all the nuclear genes of four Gramineae (maize, wheat, barley, rice) and pea are located in DNA fractions covering only a 1–2% GC range and representing between 10 and 25% of the different genomes. These DNA fractions comprise large gene‐rich regions (collectively called the ‘gene space’) separated by vast gene‐empty, repeated sequences. In contrast, in Arabidopsis thaliana , genes are distributed in DNA fractions covering an 8% GC range and representing 85% of the genome. Here, we investigated the integration of a transferred DNA (T‐DNA) in the genomes of Arabidopsis and rice and found different patterns of integration, which are correlated with the different gene distributions. While T‐DNA integrates essentially everywhere in the Arabidopsis genome, integration was detected only in the gene space, namely in the gene‐rich, transcriptionally active, regions of the rice genome. The implications of these results for the integration of foreign DNA are discussed.
Materialart:
Online-Ressource
ISSN:
0014-5793
,
1873-3468
DOI:
10.1016/S0014-5793(00)01393-4
Sprache:
Englisch
Verlag:
Wiley
Publikationsdatum:
2000
ZDB Id:
1460391-3
SSG:
12
