The behavior of Bupleurum scorzonerifolium as a parent of somatic hybrid introgressed lines is associated with UV resistance of its chromosomes

The behavior of Bupleurum scorzonerifolium as a parent of somatic hybrid introgressed lines is... Protoplasts of Bupleurum scorzonerifolium irradiated with 380 μW/cm2 UV for 5 min were fused by the PEG-mediated method with untreated protoplasts of Arabidopsis thaliana. The fusion products were cultured in the P5 liquid medium for single hybrid cell clone formation. As a total, 81 independent putative hybrid clones (cell lines) were obtained, and seventeen of them were identified as somatic hybrids by chromosome counting, GISH, RAPD, and SSR analyses. More than 80 B. scorzonerifolium-like green introgressed plants and leaves were regenerated from 49 somatic hybrid cell lines, which contained chromatin and DNA characteristic of A. thaliana. To assess the UV tolerance of both parents with chromatin exclusion and introgression, their protoplasts were UV-irradiated (380 μW/cm2 for 0 and 5 min), and the protoplasts of A. thaliana were more sensitive to UV than those of B. scorzonerifolium as judged by Single Cell Gel Electrophoresis analysis. The possible relationship between UV resistance of B. scorzonerifolium and A. thaliana chromosome elimination and the formation of somatic introgressed hybrid plants is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

The behavior of Bupleurum scorzonerifolium as a parent of somatic hybrid introgressed lines is associated with UV resistance of its chromosomes

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S102144371104025X
Publisher site
See Article on Publisher Site

Abstract

Protoplasts of Bupleurum scorzonerifolium irradiated with 380 μW/cm2 UV for 5 min were fused by the PEG-mediated method with untreated protoplasts of Arabidopsis thaliana. The fusion products were cultured in the P5 liquid medium for single hybrid cell clone formation. As a total, 81 independent putative hybrid clones (cell lines) were obtained, and seventeen of them were identified as somatic hybrids by chromosome counting, GISH, RAPD, and SSR analyses. More than 80 B. scorzonerifolium-like green introgressed plants and leaves were regenerated from 49 somatic hybrid cell lines, which contained chromatin and DNA characteristic of A. thaliana. To assess the UV tolerance of both parents with chromatin exclusion and introgression, their protoplasts were UV-irradiated (380 μW/cm2 for 0 and 5 min), and the protoplasts of A. thaliana were more sensitive to UV than those of B. scorzonerifolium as judged by Single Cell Gel Electrophoresis analysis. The possible relationship between UV resistance of B. scorzonerifolium and A. thaliana chromosome elimination and the formation of somatic introgressed hybrid plants is discussed.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Jun 19, 2011

References

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