基于离地采集的cpDNA rbcL序列对野生近缘香蕉Ensete glaucum、Musa acuminata和Musa balbisiana的单倍型网络分析

IF 1 4区 生物学 Q3 PLANT SCIENCES
L. Hapsari, D. Lestari, R. T. Probojati
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引用次数: 2

摘要

野生香蕉近缘种质的保护和遗传评价对今后的育种具有重要意义。利用rbcL基因序列,对野生近缘香蕉青花蕉、尖叶蕉和巴尔比斯蕉进行了单倍型网络分析。序列特征具有高保守性(91%)、低索引性(1.83%)和低简约性(3.51%)。然而,在科、属和物种水平上分离数据集是很强大的;在野生香蕉的种内水平上有中度分离。野生香蕉的单倍型和核苷酸多样性较高。在种内水平上,尖毛鼠和balbisiana均表现出较高的单倍型多样性,但单倍型间核苷酸多样性较低;针叶草的价值高于巴尔比斯草。无单倍型和核苷酸多样性。野生香蕉被划分为7个单倍型,4个单倍群。突变途径揭示了蓝芽单倍型成为根;与balbisiana的亲缘关系比与acuminata的亲缘关系要近。在所有的尖茅品种中,malaccensis的单倍型都能形成根,并且每个单倍型都存在单点突变。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Haplotype network analysis of wild banana relatives Ensete glaucum, Musa acuminata and Musa balbisiana based on cpDNA rbcL sequences in ex-situ collection
Conservation and genetic assessment of wild banana relatives is important for future breeding purposes. Haplotype network analysis was conducted to wild banana relatives comprised Ensete glaucum, Musa acuminata and Musa balbisianausing rbcL gene sequences. Sequences characterization showed high conservation level (91%), low indels (1.83%), and low parsimony informatives (3.51%). However, it was powerfull to separate the dataset at families, genera and species level; and moderately to separate at intraspecies level of wild bananas. Haplotype and nucleotide diversity of wild bananas were high. At intraspecies level, both M. acuminata and M. balbisiana showed high haplotype diversity but low nucelotide diversity among haplotypes; M. acuminata has higher value than M. balbisiana. No haplotype and nucleotide diversity in E. glaucum. Wild bananas were separated into seven haplotypes, with four haplogroups. Mutational pathway revealed that E. glaucum haplotype became root; and was closely related to M. balbisiana than M. acuminata. M. acuminata var. malaccensis haplotype became root within all M. acuminata varieties, and each haplotype differed by single point mutation.
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来源期刊
CiteScore
1.80
自引率
10.00%
发文量
0
审稿时长
6-12 weeks
期刊介绍: Advance the cause of genetics and plant breeding and to encourage and promote study and research in these disciplines in the service of agriculture; to disseminate the knowledge of genetics and plant breeding; provide facilities for association and conference among students of genetics and plant breeding and for encouragement of close relationship between them and those in the related sciences; advocate policies in the interest of the nation in the field of genetics and plant breeding, and facilitate international cooperation in the field of genetics and plant breeding.
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