Peculiarities of somatic embryogenesis of long-term proliferating embryogenic cell lines of Larix sibirica in vitro

Peculiarities of somatic embryogenesis of long-term proliferating embryogenic cell lines of Larix... Morphogenesis and maturation of somatic embryos, ploidy, and genotyping of cell lines (CL) of embryogenic cultures of Larix sibirica Ledeb. in vitro were investigated during 2–6 years. It was revealed that from 2000 to 11103 globular somatic embryos were formed in proliferating CL. However, the ability of somatic embryos to the maturation and germination decreased. Cytogenetic study of embryonal-suspensor masses (ESM) of Larix sibirica demonstrated that cells of long-term cultivated cultures remained diploid. According to microsatellite analysis, proliferating CL of Siberian larch were characterized by weak allelic variability, and cell line 6 and cloned seedlings of this line were genetically stable and corresponded to the donor tree. Embryogenic cell lines composed the collection bank, which will be successfully used for plantation forest growing. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Peculiarities of somatic embryogenesis of long-term proliferating embryogenic cell lines of Larix sibirica in vitro

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Publisher
Springer Journals
Copyright
Copyright © 2016 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443716050137
Publisher site
See Article on Publisher Site

Abstract

Morphogenesis and maturation of somatic embryos, ploidy, and genotyping of cell lines (CL) of embryogenic cultures of Larix sibirica Ledeb. in vitro were investigated during 2–6 years. It was revealed that from 2000 to 11103 globular somatic embryos were formed in proliferating CL. However, the ability of somatic embryos to the maturation and germination decreased. Cytogenetic study of embryonal-suspensor masses (ESM) of Larix sibirica demonstrated that cells of long-term cultivated cultures remained diploid. According to microsatellite analysis, proliferating CL of Siberian larch were characterized by weak allelic variability, and cell line 6 and cloned seedlings of this line were genetically stable and corresponded to the donor tree. Embryogenic cell lines composed the collection bank, which will be successfully used for plantation forest growing.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Oct 19, 2016

References

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