黄花属分子系统发育与条形码:一种多方法

IF 2.1 4区 生物学 Q2 Agricultural and Biological Sciences Caryologia Pub Date : 2023-04-28 DOI:10.36253/caryologia-1592
L. Malekmohammadi, M. Sheidai, F. Ghahremaninejad, A. Danehkar, F. Koohdar
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引用次数: 0

摘要

该属有8种,在形态和遗传上存在很大的差异,这给该属的分类带来困难。随着计算方法的进步,分子条形码技术可能是研究和评估不同分子遗传区域在海棠物种划分中的效率,以及提供物种进化和分化数据的合适方法。本研究的目的是利用多种遗传资料对该属植物进行种划分和系统发育研究。此外,我们提出了一个关于这些物种的条形码分化的生物地理学假设。结果表明,内部转录间隔序列(ITS)和trnHG-psbA基因间间隔序列(trnHG-psbA)可用于海棠种属划分。研究类群的条形码缺口分析和核苷酸差异对物种的成对比较和核苷酸变化在Avicennia物种形成中的作用具有显著的Fst。
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Avicennia genus molecular phylogeny and barcoding: A multiple approach
The genus Avicennia contains of 8 species which show a great extent of morphological and genetic variability, which make taxonomy of the genus difficult. Molecular barcoding along with advancement in computational approaches may be proper methods to investigate and assess the efficiency of different molecular genetic regions in Avicennia species delineation and also produce data on species evolution and divergence. The aims of present study were to utilize multiple genetic data for the species delineation and study the phylogeny of the genus. Moreover, we developed a hypothesis on biogeography of these species with respect to barcode divergence. The results showed that both Internal transcribed spacer (ITS) and trnHG–psbA intergenic spacer (trnHG-psbA) sequences may be used in Avicennia species delineation. Barcode gap analysis and nucleotide difference of the studied taxa showed significant Fst for pair-wise species comparison and the role of nucleotide changes in Avicennia speciation.
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来源期刊
Caryologia
Caryologia 生物-遗传学
CiteScore
1.60
自引率
23.80%
发文量
26
审稿时长
12 months
期刊介绍: Caryologia is devoted to the publication of original papers, and occasionally of reviews, about plant, animal and human karyological, cytological, cytogenetic, embryological and ultrastructural studies. Articles about the structure, the organization and the biological events relating to DNA and chromatin organization in eukaryotic cells are considered. Caryologia has a strong tradition in plant and animal cytosystematics and in cytotoxicology. Bioinformatics articles may be considered, but only if they have an emphasis on the relationship between the nucleus and cytoplasm and/or the structural organization of the eukaryotic cell.
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