Stability of micropropagated Musa acuminata cv. Grand Naine over clonal generations: A molecular assessment

被引：19
|
作者：
Borse, Nilesh [1 ]
Chimote, Vivek P. [1 ]
Jadhav, Ashok S. [1 ]
机构：
[1] Mahatma Phule Krishi Vidyapeeth, State Level Biotechnol Ctr, Rahuri, India
来源：
SCIENTIA HORTICULTURAE | 2011年 / 129卷 / 03期
关键词：
Banana micropropagation; Subculture generation; Genetic stability; ISSR; REMAP; Methylation; DNA METHYLATION; TISSUE-CULTURE; GENETIC STABILITY; BANANA; RAPD;
D O I：
10.1016/j.scienta.2011.04.001
中图分类号：
S6 [园艺];
学科分类号：
0902 ;
摘要：
The present work was undertaken to investigate clonal fidelity of banana (Musa acuminata cv. Grand Naine) regenerants from six different in vitro subculture generations and in the explant suckers by using ISSR and REMAP molecular markers. Both types of markers revealed high degree of monomorphism. Very low variation was observed up to the eighth subculture generation with polymorphic bands being low in both ISSR (0.96%) and REMAP (0.95%) markers. Epigenetic stability was studied by DNA methylation analysis of the eighth subculture generation samples. Single 570 bp methylation sensitive band was absent in two of the fifteen Mspl predigested samples, while it was present in Hpall predigested and undigested samples. The results of the investigation confirmed that the micropropagation of banana up to the eighth subculture generation show low variation. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：390 / 395
页数：6
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