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G3 (Bethesda). 2011 Jul;1(2):117-29. doi: 10.1534/g3.111.000034. Epub 2011 Jul 1.

Fluorescence in situ hybridization-based karyotyping of soybean translocation lines.

Abstract

Soybean (Glycine max [L.] Merr.) is a major crop species and, therefore, a major target of genomic and genetic research. However, in contrast to other plant species, relatively few chromosomal aberrations have been identified and characterized in soybean. This is due in part to the difficulty of cytogenetic analysis of its small, morphologically homogeneous chromosomes. The recent development of a fluorescence in situ hybridization -based karyotyping system for soybean has enabled our characterization of most of the chromosomal translocation lines identified to date. Utilizing genetic data from existing translocation studies in soybean, we identified the chromosomes and approximate breakpoints involved in five translocation lines.

KEYWORDS:

FISH; chromosome translocation; cytogenetics; karyotype; soybean

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