Chromosomal and genome size variations in Opium poppy (Papaver somniferum L.) from Afghanistan

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-03-15 DOI:10.36253/caryologia-1955

Sayed Zia Rasekh, G. Karimzadeh

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Abstract

The genus Papaver classified in the Papaveraceae family, is a valuable, non-alternative medicinal plant which has illustrated a massive variety of pharmacologically important alkaloids. Chromosomal and monoploid genome size diversity of seven populations collected from different districts of Balkh Province in northern parts of Afghanistan were studied. All populations were diploid, six of which (P1-P6) had 22 chromosomes, while P7 had 20 larger chromosomes. The mean chromosome length (CL) of P1-P6 populations was 1.32 μm (0.91-1.74 μm), but that of P7 population was 2.24 μm. The results of flow cytometric analysis showed that the mean monoploid 2Cx DNA of P1-P6 populations was 5.701 pg (5.574-5.901 pg), whereas that of P7 population was 5.795 pg, confirming intraspecific variation. This study is being reported for the first time from the northern part of Afghanistan’s opium cultivation area, and P7 population is also being reported for the first time in terms of chromosome number. Valuable information on Cytogenetics can be used in some research fields, including polygenetic analysis, taxonomic relationships, evolutionary characteristics, and plant breeding.

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阿富汗罂粟（Papaver somniferum L.）的染色体和基因组大小变异

罂粟属（Papaver）被归入罂粟科，是一种珍贵的非替代性药用植物，含有大量具有重要药理作用的生物碱。研究人员对从阿富汗北部巴尔赫省不同地区采集的七个种群的染色体和单倍体基因组大小多样性进行了研究。所有种群均为二倍体，其中六个种群（P1-P6）有 22 条染色体，P7 有 20 条较大的染色体。P1-P6 群体的平均染色体长度（CL）为 1.32 μm（0.91-1.74 μm），而 P7 群体的平均染色体长度为 2.24 μm。流式细胞分析结果显示，P1-P6种群的单倍体2Cx DNA平均值为5.701 pg（5.574-5.901 pg），而P7种群的单倍体2Cx DNA平均值为5.795 pg，证实了种内变异。这项研究首次报道了阿富汗北部鸦片种植区的情况，P7 群体的染色体数目也是首次报道。细胞遗传学的宝贵信息可用于一些研究领域，包括多基因分析、分类关系、进化特征和植物育种。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.