Evolutionary dynamics and chromosomal distribution of repetitive sequences on chromosomes of Aegilops speltoides revealed by genomic in situ hybridization

Article Abstract:

Evolutionary dynamics and chromosomal distribution of repetitive sequences for Aegilops speltoides have been studied using genomic in situ hybridization. The order in which the chromosomal segments in the process of evolutionary divergence was investigated, as was the evolutionary distance at which it is possible to find cytologically visible similarity in repetitive noncoding DNA sequences between Poaceae species.

Israel, Research, Plant genetics, In situ hybridization, Evolution (Biology), Evolution, Heredity, Grasses

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Mitochondrial DNA Col haplotype variation in sibling species of rough periwinkles

Article Abstract:

Mitochondrial DNA Col haplotype variation has been studied in three rough periwinkle sibling species. Relationships between the taxa and between and within representative populations were studied with sequence analysis and restriction fragment length polymoprphism (RFLP) of a mitochondrial DNA fragment. Some sharing of haplotypes between species was seen to exist.

United Kingdom, Physiological aspects, Mitochondrial DNA, Hybridization, Biogeography, Catharanthus, Coastal ecology, Madagascar periwinkle

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