A light microscopic atlas of meiosis in Arabidopsis thaliana

Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology
K J RossG H Jones

Abstract

An atlas of meiosis in Arabidopsis thaliana, encompassing all stages from preleptotene to telophase II and early microspore formation, is presented in detail for the first time. The photomicrographs and descriptions are based on staining with the DNA fluorochrome 4',6-diamidino-2-phenylindole (DAPI) combined with a spreading procedure, or haematoxylin-iron alum (HIA) staining. Despite previous reservations about the practicality of cytogenetic meiotic analysis in Arabidopsis due to its small genome size, good-quality and clearly analysable preparations of all meiotic stages were obtained. This atlas of normal, wild-type meiosis is considered an essential prerequisite to informed analyses of meiotic mutants. Furthermore, extended prophase I chromosomes, particularly at the pachytene stage, offer considerable potential for producing a detailed cytogenetic map (karyotype) of Arabidopsis chromosomes with the additional prospect of high-resolution physical mapping based on fluorescence in situ hybridization (FISH) of defined DNA probes to these extended chromosomes.

References

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Citations

May 30, 2013·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·F M BassiS F Kianian
Nov 26, 2009·Journal of Plant Research·Fang Wei, Gai-Sheng Zhang
Jun 7, 2008·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Eva LópezNieves Cuñado
Nov 1, 2011·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Etsuko YokotaMinoru Murata
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