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ISHS Acta Horticulturae 649: Euro Berry Symposium - COST-Action 836 Final Workshop

KARYOTYPE AND RIBOSOMAL GENE MAPPING IN FRAGARIA VESCA L.

Author:   K.Y. Lim
Keywords:   strawberry, rDNA
DOI:   10.17660/ActaHortic.2004.649.18
Abstract:
Fluorescent in situ hybridisation (FISH), with cloned probes for the ribosomal RNA genes 45S (pTa71:18S-5.8S-26S) and 5S (pTz19R), were used for detecting the location of the rDNA gene sequences on the chromosomes of Fragaria vesca L. (2n=2x=14). Three pairs of 45S loci and a pair at 5S locus were identified and these provided 3 chromosomal markers for the karyotype of the seven chromosome pairs. The karyotype and an ideogram of F. vesca with the three marker chromosomes are presented here for the first time.

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