Population Differentiation and Gene Flow of Salicornia persica Akhani (Chenopodiaceae)

IF 2.1 4区生物学 Q2 Agricultural and Biological Sciences

Caryologia Pub Date : 2022-09-21 DOI:10.36253/caryologia-1541

Xiaojun Zhang, Lingyan Bai, S. Esfandani-Bozchaloyi

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Abstract

The genus Salicornia (Amaranthaceae) was established by Linnaeus. Commonly known as ‘glassworts’, the species of the genus are articulated succulent herbs with cortical palisade, opposite decussate scale-leaves, thyrsoid cymes, flowers packed in cauline depressions and the diaspore composed of l-seeded utricle. Therefore, due to the importance of the plant species, we performed a combination of morphological and molecular data analyses on this species. A total of 72 randomly collected plants from 8 natural populations in 2 provinces were evaluated using ISSR markers and morphological traits. Analysis of molecular variance (AMOVA) test revealed significant genetic difference among the studied populations, and also showed that 45% of total genetic variability was due to the diversity within the population, while 55% was due to the genetic differentiation among populations. A total number of 158 bands were detected by ISSR primers, of which 144 (89%) bands with an average of 14.4 bands per primer were polymorphic. The Percentage of Polymorphic Bands (PPB) ranged from 70% (ISSR-7) to 100% (ISSR-1, ISSR-4 and ISSR-5). The average Polymorphic Information Content (PIC), Shannon’s Information index (I), and Number of effective alleles (Ne) were 0.49, 0.28, and 1.09, respectively.

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藜科水杨的种群分化与基因流动

林奈建立了苋属(苋科)。通常被称为“玻璃草”，属的物种是关节多肉草本植物，具有皮质栅栏，对生的相互对生的鳞状叶，伞形聚伞花序，花排列在茎的凹陷处，一水硬体由l-种子胞室组成。因此，由于该植物物种的重要性，我们对该物种进行了形态学和分子数据的结合分析。利用ISSR标记和形态性状对2省8个自然居群中72株植物进行了评价。分子方差分析(AMOVA)表明，群体间遗传差异显著，群体内多样性占总遗传变异的45%，群体间遗传分化占55%。ISSR引物共检测到158条条带，其中多态性条带144条(89%)，平均每个引物14.4条。多态性带百分比(PPB)从70% (ISSR-7)到100% (ISSR-1、ISSR-4和ISSR-5)不等。平均多态性信息含量(PIC)、香农信息指数(I)和有效等位基因数(Ne)分别为0.49、0.28和1.09。

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来源期刊

Caryologia 生物-遗传学

CiteScore

1.60

自引率

23.80%

发文量

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.