The anatomical and micromorphological properties of endemic species to gypsic soils of Semnan, Iran

Rabizadeh, Fatemeh; Amini, Elham; Nasrollahi, Fatemeh

doi:10.1016/j.jsb.2023.107968

Cited by 2 publications

References 35 publications

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Micromorphological study of some Salsola species (Amaranthaceae) in Iran and its systematic significance using scanning electron microscopy

Amini,

Sattarian,

Nasrollahi

et al. 2024

Microscopy Res & Technique

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Using scanning electron microscopy (SEM), six Salsola species from Iran were examined for their epidermis, seed, and fruit micromorphology. Among them were S. brachiata from section Heterotricha, S dendroides, S. incanescens, and S. orientalis from section Caroxylon, S. kali from section Kali, and S. turcomanica from section Physurus. Epidermal cells are divided into three types. There were diamond, irregular, and polygonal cells, as well as straight and undulated walls. Studied species of Salsola have smooth or sculptured fruit surfaces, and there are three main types of fruit surface ornamentation. There is a significant difference between these species based on the type of hair and density of the fruit. Seed shape and color have little systematic significance. The seed epidermis is composed of polygonal, elongated polygonal, irregular, and diamond cells. Although polygonal and irregular testa cells are most common, their size and shape can provide additional information and useful diagnostic characteristics at both specific and infraspecific levels. For taxonomic separation, the current study provides novel insights at micromorphological levels.Research Highlights This article reports halophyte are shown as models for adaptation to extreme habitats. These plants are placed among the ecological communities of xerophytes. Here, for the first time, the microstructural analysis of Salsola has been investigated. Additionally, it provides new insights into plant species' response to extreme conditions, as well as possible adaptation strategies at the micromorphological level.

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Micromorphological study of some Salsola species (Amaranthaceae) in Iran and its systematic significance using scanning electron microscopy

Amini,

Sattarian,

Nasrollahi

et al. 2024

Microscopy Res & Technique

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Genetic and micromorphological differentiation within Sambacus ebulus (Adoxaceae) suggests divergence of populations from Iran

Bayrami,

Sattarian,

Salehi

et al. 2024

Preprint

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Sambucus ebulus is mainly distributed in the northern, northwestern and northeastern regions of Iran and is characterized by its perennial growth habit and distinctive long, creeping and branched rhizomes. In this study, genetic diversity of seven populations S. ebulus based on molecular ISSR data and the micromorphology of seeds and leaves of this species in Iran were investigated. Micromorphological examination revealed the anomocytic type of stomata and indicated that the epidermal cells of various S. ebulus populations exhibited irregular cell shapes with anticlinal walls ranging from straight to curved. The seed shape was described as predominantly almond-shaped, and the surface of the seed coat of the studied taxa showed a reticulate pattern. The AMOVA (analysis of molecular variance) test showed that 87% of the total genetic variance was due to differences inter-populations genetic differences, while 13% was due to within-populations genetic variability, indicating a high degree of genetic variation among S. ebulus populations. The discriminating power of ISSR (inter simple sequence repeat) loci as determined by Gst against Nm (the number of migrants) analysis, showed that almost all ISSR loci have an excellent discriminating power. Thus, ISSR markers are efficient in differentiating of the studied S. ebulus populations. The Mantel test presented a significant correlation between genetic and geographic distance. These results suggest that the selected markers for genetic analysis represent different regions of the genome and effectively capture the genetic variation within the studied populations.

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The anatomical and micromorphological properties of endemic species to gypsic soils of Semnan, Iran

Cited by 2 publications

References 35 publications

Micromorphological study of some Salsola species (Amaranthaceae) in Iran and its systematic significance using scanning electron microscopy

Micromorphological study of some Salsola species (Amaranthaceae) in Iran and its systematic significance using scanning electron microscopy

Genetic and micromorphological differentiation within Sambacus ebulus (Adoxaceae) suggests divergence of populations from Iran

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