NDLI: Somatic embryogenesis from mature zygotic embryos of Distylium chinense (Fr.) Diels and assessment of genetic fidelity of regenerated plants by SRAP markers

Content Provider	Springer Nature Link
Author	Li, Xiaoling Wang, Xuesong Luan, Chunyan Yang, Jin Cheng, Suihan Dai, Zelong Mei, Pengsen Huang, Chengming
Copyright Year	2014
Abstract	The objective was to establish an efficient regeneration protocol for Distylium chinense based on somatic embryogenesis and evaluate the genetic stability of plants regenerated in vitro. To induce callus mature zygotic embryos were cultured on Murashige and Skoog’s (MS) medium that was supplemented with different concentrations of 2,4-dichlorophenoxyacetic acid (2,4-D) and N6-benzyladenine (BA). After 20 days, the highest rate of callus formation (88.9 %) occurred on MS medium supplemented with 0.5 mg l−1 2,4-D and 0.1 mg l−1 BA. It was observed that light-yellow, compact, dry, nodular embryogenic calli had formed. These calli were then subcultured on fresh MS medium supplemented with 0.1 mg l−1 BA and 0.5 mg l−1 α-naphthaleneacetic acid (NAA) for proliferation for an additional 30 days. To induce somatic embryos and plant regeneration, the embryogenic callus was transferred to fresh MS medium that was supplemented with different concentrations of BA and NAA. After 30 days, 0.5 mg l−1 BA in combination with 0.5 mg l−1 NAA produced the best result in terms of somatic embryogenesis (%), shoot differentiation (%), number of shoots per callus and shoot length. Next, the plantlets were transferred to the field for 5 weeks and a 95 % survival rate was observed. The sequence-related amplified polymorphism markers confirmed genetic stability of plants regenerated in vitro. To our knowledge, this is the first report that describes a plant regeneration protocol for D. chinense via somatic embryogenesis to be used for germplasm conservation and commercial cultivation.
Starting Page	11
Ending Page	21
Page Count	11
File Format	PDF
ISSN	01676903
Journal	Plant Growth Regulation
Volume Number	74
Issue Number	1
e-ISSN	15735087
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-01-30
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Distylium chinense Somatic embryogenesis Plant regeneration Mature zygotic embryos Genetic stability SRAP Plant Sciences Plant Anatomy/Development Plant Physiology Agriculture
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science Agronomy and Crop Science

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