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The Cytogenetic Map of the Poncirus trifoliata (L.) Raf.—A Nomenclature System for Chromosomes of All Citric Species

The Cytogenetic Map of the Poncirus trifoliata (L.) Raf.—A Nomenclature System for Chromosomes of... A cytogenetic map was established for the trifoliate orange, Poncirus trifoliata. Chromosome size, centromere position and CMA+ heterochromatin content were determined for each chromosome pair, together with the position of BAC clones previously described as chromosome-specific markers. Although P. trifoliata is a true biological species, heteromorphisms for the size of the heterochromatic bands in two chromosome pairs were observed. A minimum set of four BACs was proposed for chromosome identification in P. trifoliata, as well as a chromosome nomenclature that can be applied to all citrus species. The Ctv locus was assigned to chromosome 9 and the remaining linkage groups can now be integrated to this physical map. This standard nomenclature for trifoliate orange will be valuable for genome-sequencing projects in all citrus species. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Tropical Plant Biology Springer Journals

The Cytogenetic Map of the Poncirus trifoliata (L.) Raf.—A Nomenclature System for Chromosomes of All Citric Species

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References (43)

Publisher
Springer Journals
Copyright
Copyright © 2011 by Springer Science+Business Media, LLC
Subject
Life Sciences; Plant Genetics & Genomics; Transgenics; Plant Ecology; Plant Sciences ; Plant Breeding/Biotechnology
ISSN
1935-9756
eISSN
1935-9764
DOI
10.1007/s12042-011-9072-7
Publisher site
See Article on Publisher Site

Abstract

A cytogenetic map was established for the trifoliate orange, Poncirus trifoliata. Chromosome size, centromere position and CMA+ heterochromatin content were determined for each chromosome pair, together with the position of BAC clones previously described as chromosome-specific markers. Although P. trifoliata is a true biological species, heteromorphisms for the size of the heterochromatic bands in two chromosome pairs were observed. A minimum set of four BACs was proposed for chromosome identification in P. trifoliata, as well as a chromosome nomenclature that can be applied to all citrus species. The Ctv locus was assigned to chromosome 9 and the remaining linkage groups can now be integrated to this physical map. This standard nomenclature for trifoliate orange will be valuable for genome-sequencing projects in all citrus species.

Journal

Tropical Plant BiologySpringer Journals

Published: Mar 8, 2011

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