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. 2004;12(3):245-50.
doi: 10.1023/b:chro.0000021929.97208.1c.

FAST-FISH with laser beam microdissected DOP-PCR probe distinguishes the sex chromosomes of Silene latifolia

Roman Hobza  1 , Martina Lengerova, Halina Cernohorska, Jiri Rubes, Boris Vyskot
Affiliations

FAST-FISH with laser beam microdissected DOP-PCR probe distinguishes the sex chromosomes of Silene latifolia

Roman Hobza et al. Chromosome Res. 2004.

Abstract

We present an improved FISH strategy for differentiating the sex chromosomes of the dioecious model plant, Silene latifolia. Fixed mitotic protoplasts were dropped on a polyethylene naphthalate membrane, the X or Y chromosomes were isolated using nitrogen laser beam microdissection, catapulted by laser pressure, and amplified by DOP-PCR. A modified FAST-FISH protocol based on a short hybridization time combined with a low concentration of probe was used. The success of this approach is demonstrated by the differential labeling of the X and Y chromosomes and it could represent a quick method for comparing organization of plant genomes.

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