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Ali Ashraf Mehrabi

Ali Ashraf Mehrabi
Research Institute of Forests and Rangelands, Tehran, Iran

Ph.D (Plant molecular breeding)
Plant Biotechnology, Population Genomics of Forest Trees and Medicinal Plants

About

125
Publications
25,177
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742
Citations
Citations since 2016
73 Research Items
705 Citations
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2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
2016201720182019202020212022050100150200

Publications

Publications (125)
Article
Full-text available
Medicinal herbs, including the Asteraceae family (AF), have different antimicrobial and therapeutic effects. Therefore, they can be used as health factors in the food and medicinal industries. In this systematic review, the essential information was collected from the relevant databases, e.g., PubMed, Science Direct, and Google Scholar based on med...
Article
Full-text available
In the present study, we estimated genetic diversity and population structure in 186 accessions of Triticum and Aegilops species using 24 simple sequence repeat markers (SSR). Furthermore, an association analysis was performed for antioxidant activities, including guaiacol peroxidase (GPX), ascorbate peroxidase (APX), peroxidase (POX), catalase (CA...
Article
Full-text available
Stripe rust (Puccinia striiformis f. sp. tritici (Pst)) is one of the most devastating fungal diseases of durum wheat (Triticum turgidum L. var. durum Desf.). Races of Pst with new virulence combinations are emerging more regularly on wheat-growing continents, which challenges wheat breeding for resistance. This study aimed to identify and characte...
Article
Full-text available
Abstract: Stripe rust (Puccinia striiformis f. sp. tritici (Pst)) is the most devastating fungal disease of durum wheat (Triticum turgidum L. var durum Desf.). Unfortunately, stripe rust races with single and combination gene virulences are emerging more regularly on wheat-growing continents, which challenges wheat breeding for resistance. This stu...
Article
Full-text available
Aegilops tauschii, the diploid wild progenitor of the D subgenome of bread wheat, is a reservoir of genetic diversity for improving bread wheat performance and environmental resilience. Here we sequenced 242 Ae. tauschii accessions and compared them to the wheat D subgenome to characterize genomic diversity. We found that a rare lineage of Ae. taus...
Article
Full-text available
Background Evaluation of genetic diversity and relationships among crop wild relatives is an important task in crop improvement. The main objective of the current study was to estimate molecular variability within the set of 91 samples from Triticum aestivum , Aegilops cylindrica , and Aegilops crassa species using 30 CAAT box–derived polymorphism...
Article
p class="042abstractstekst">Root structure modification can improve important agronomic traits including yield, drought tolerance and nutrient deficiency resistance. The aim of the present study was to investigate the diversity of root traits and to find simple sequence repeat (SSR) markers linked to root traits in chickpea ( Cicer arietinum L.). T...
Article
Full-text available
p class="042abstractstekst">Root structure modification can improve important agronomic traits including yield, drought tolerance and nutrient deficiency resistance. The aim of the present study was to investigate the diversity of root traits and to find simple sequence repeat (SSR) markers linked to root traits in chickpea ( Cicer arietinum L.). T...
Article
Full-text available
Central to the diversity of wheat products was the origin of hexaploid bread wheat, which added the D-genome of Aegilops tauschii to tetraploid wheat giving rise to superior dough properties in leavened breads. The polyploidization, however, imposed a genetic bottleneck, with only limited diversity introduced in the wheat D-subgenome. To understand...
Article
Aegilops tauschii , the diploid progenitor of the wheat D-genome, is a valuable genetic resource for wheat breeders. In this study, we compared the efficiency of inter-simple sequence repeat (ISSR) (as an arbitrary technique) and start codon targeted (SCoT) (as a gene-targeting technique) markers in determining the genetic diversity and population...
Preprint
Full-text available
Given the increase in drug resistance of microorganisms and the tendency in using medicinal plants, the present study was carried out to investigate the chemical compounds of Thymol as a constituent of essential oil and antimicrobial activity against several pathogenic bacteria and its antioxidant activity. In this study, the chemical compounds of...
Preprint
Full-text available
Analysis of genetic diversity provides helpful information necessary to develop the breeding and conservation strategies of crops. In this study, the genetic diversity and population structure of 90 durum wheat genotypes maintained at Sararud Dryland Agricultural Research Institute, Kermanshah, Iran, were evaluated by using 23 gene-specific markers...
Article
Heat stress during the post-flowering and grain development stages is a key abiotic stress influencing grain yield in wheat (Triticum aestivum L.). In this study, 64 wheat genotypes, in their terminal growth stage, were subjected to two field temperatures caused by delayed sowing in two consecutive growing seasons. Results of photosynthetic gas exc...
Preprint
Full-text available
Aegilops tauschii, the diploid wild progenitor of the D-subgenome of bread wheat, constitutes a reservoir of genetic diversity for improving bread wheat performance and environmental resilience. To better define and understand this diversity, we sequenced 242 Ae. tauschii accessions and compared them to the wheat D-subgenome. We characterized a rar...
Article
Bread wheat ( Triticum aestivum ) is one of the most important food crops in the world. Its physiological and morphological traits are closely related to yield. Therefore, it is generally important to discover the genomic region associated with these traits. In this research, associations between 21 simple sequence repeat (SSR) markers and 10 inter...
Article
Objective Genetic diversity in field crops and their wild ancestors plays important role in breeding programs. The aim of this study was to investigate the genetic diversity of einkorn (Triticum monococcum L. ssp. boeoticum) wheat genotypes collected from western parts of Iran using SSR markers. Material and methods In this study, genetic variation...
Article
Full-text available
Previous studies revealed that some wild wheat accessions responded well to water deficit treatments and have a good potential in terms of photosynthetic parameters, root system architecture and several physiological properties. However, biochemical responses and molecular mechanisms of antioxidant encoding genes remain to be elucidated. Herein, we...
Article
Full-text available
Root system architecture (RSA) has positive effects on wheat growth and its yield performance. As root features are difficult to manipulate through conventional breeding strategies, marker-trait association (MTA) could be helpful for the improvement of RSA. In the present study, 112 durum wheat genotypes were investigated for several root system fe...
Article
Full-text available
p> A field experiment was conducted to evaluate yield and some qualitative characteristics of four cultivars of sweet basil treated with different levels of nitrogen fertilizer. The experiments were located on the Agricultural Research Station of Khorramabad, Iran, during the 2016-2017 growing season. Treatments were arranged in factorial split-plo...
Article
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Wild relatives of wheat are one of the important genetic resources for using in breeding programs. In this study, a set of diploid wild wheat possessing D genome (Aegilops tauschii Coss.) were evaluated for some photosynthetic-related traits under two control and water deficit stress conditions. Under stress condition, Analysis of variance showed s...
Article
Full-text available
The drought and its effect are the most important and common environmental stress that has limited agricultural production in the world. One of the useful strategies of crop breeding for drought resistance is maintaining and exploiting the diversity of their germplasms. To identify drought tolerant sources, 125 Aegilops tauschii genotypes in an aug...
Article
Full-text available
Drought stress is one of the most important limiting factors in crop yield through impact on the cellular and physiological functions of the plant. Therefore, the study of physiological responses of plants can help to better understanding the drought tolerance mechanisms. In this experiment, 125 wild diploid wheat genotypes of Aegilops tauschii wer...
Article
Full-text available
Wild relatives of wheat serve as an extraordinary source of variability for breeding programs due to their capabilities to respond to various environmental stresses. Here, we investigated some species possessing a D genome (T. aestivum, Ae. tauschii, Ae. crassa and Ae. cylindrica) in terms of relative water content (RWC), stomatal conductance (Gs),...
Article
DOR: 98.1000/2383-1251.1398.6.95.11.1.1578.41 Extended Abstract Introduction: White Astragalus (Astragalus gossypinus Fisherr.) is one of the valuable plants for producing gum, which is of critical importance in soil conservation and the economy of the country. This plant is propagated by seed; its seeds are in the natural state of dormancy. There...
Article
Full-text available
Pistacia atlantica subsp. mutica is one of the most valuable forest species in Iran that has been damaged by uncontrolled exploitation of human being. Therefore, understanding the genetic diversity of different populations of the species, an important step can be taken towards development and restoration of habitat with high value of the species. I...
Article
Full-text available
A molecular assessment of genetic diversity was performed on a set of 228 selected accessions belonging to the different Aegilops and Triticum species using CAAT-box derived polymorphism (CBDP) markers. Fifteen CBDP primers generated 141 polymorphic fragments with an average of 9.40 per primer. The average of polymorphic information content and res...
Article
Full-text available
The aims of this study were to investigate different species of Triticum and Aegilops in terms of the expression pattern of ascorbate peroxidase, superoxide dismutase, and guaiacol peroxidase encoding genes along with the wheat dehydrin gene, wdhn13, which is involved in the induction of tolerance to drought stress. The study also explored the enzy...
Article
Oak decline is a complex syndrome in which several damaging agents interact and bring about a serious dieback in tree condition. Genetic diversity is a key factor for better adoption of natural populations to environmental stresses. The objective of this research was to identify the association of polymorphism patterns of different reproducible gen...
Article
Understanding the genetic causes of neurodegenerative disease (ND) can be useful for their prevention and treatment. Among the genetic variations responsible for ND, heritable germline variants have been discovered in genome‐wide association studies (GWAS), and nonheritable somatic mutations have been discovered in sequencing projects. Distinguishi...
Article
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Association mapping and linkage disequilibrium in what using SNO markers
Article
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Peppermint (Mentha piperita L.) is an economically important medicinal and aromatic plant grown in different areas worldwide. Secondary metabolites were fundamentally produced by genetic processing; however, environmental factors affect their biosynthesis. Salinity is the most important abiotic stress which induces morphological, physiological, and...
Article
Wild relatives of wheat have served as a pool of genetic variation for understanding salinity tolerance mechanisms. Two separate experiments were performed to evaluate the natural diversity in root and shoot Na+ exclusion and K+ accumulation, and the activity of four antioxidant enzymes within the extensive collection of ancestral wheat accessions....
Article
Full-text available
Wild relatives of wheat are an outstanding source of resistance to both abiotic and biotic stresses. In the present study, we evaluated the activity of four antioxidant enzymes—superoxide dismutase (SOD), catalase (CAT), ascorbate peroxidase (APX) and guaiacol peroxidase (GPX)—along with photosynthetic pigments and shoot biomass in 12 Aegilops–Trit...
Article
Full-text available
Glutenin and gliadin subunits play a key role in flour processing quality by network formation in dough. Wild relatives of crops have served as a pool of genetic variation for decades. In this study, 180 accessions from 12 domesticated and wild relatives of wheat were characterized for the glutenin and gliadin genes with allele-specific molecular m...
Article
Full-text available
Genetic erosion in cultivated wheat provides an important reason for evaluating its gene pool and their wild relatives. The wild relatives of wheat due to their desirable genes and even useful alleles can be served in breeding programs for either biotic and abiotic tolerance or resistance stresses. Up to now, many studies regarding the capability o...
Article
Full-text available
In this study, we selected 180 accessions from different wild relatives of wheat (Aegilops–Triticum species) and tested them in the presence of a tolerant and a sensitive control variety under well-watered and drought-stressed conditions. The results of analysis of variance for dry masses and all measured root traits showed that water regimes, acce...
Article
Full-text available
The knowledge about genetic diversity in the wild relatives of wheat provides useful information for breeding programs and gene pool management. In the present study, an assessment of agro-morphological diversity and molecular variability among 70 accessions of Triticum, belonging to T. boeoticum, T. urartu, T. durum and T. aestivum species, col...
Article
Full-text available
We assessed the molecular genetic diversity and relationships among some Aegilops and Triticum species using 15 start codon-targeted (SCoT) polymorphism markers. A total of 166 bands amplified, of which 164 (98.79%) were polymorphic. Analysis of molecular variance and inter-population differentiation (Gst) indicated high genetic variation within th...
Article
Full-text available
In this study, a core collection of 180 Aegilops and Triticum accessions belonging to six diploid (T. boeoticum Bioss., T. urartu Gandilyan., Ae. speltoides Tausch., Ae. tauschii Coss., Ae. caudata L. and Ae. umbellulata Zhuk.), five tetraploid (T. durum, Ae. neglecta Req. ex Bertol., Ae. cylindrica Host. and Ae. crassa Boiss) and one hexaploid (...
Article
Full-text available
Wild progenitors of common wheat are a potential source of tolerance to biotic and abiotic stresses. We conducted a glasshouse pot experiment to study genotypic differences in response to drought stress in a collection of 180 accessions of Aegilops and Triticum along with one tolerant and one sensitive control variety. Several physiological traits...
Article
Full-text available
Genetic erosion in cultivated wheat provides a good reason for studying genetic diversity in crop wild relatives. In the present study, genetic diversity of 32 accessions belonging to T. boeoticum species collected from different parts of Iran were evaluated using 13 morphological traits as well as 10 inter-simple sequence repeat (ISSR) primers. St...
Article
Full-text available
The genus of Aegilops is an important wild relative of common wheat, and the species in this genus have a key role in hexaploid wheat evolution and they are the donor of D and B genomes, directly and indirectly. To assess the agro-morphological variation in Iranian Aegilops species, 109 accessions belonging to 8 species collected from different are...
Article
Transcriptional and post-transcriptional regulators including transcription regulator, transcription factor and miRNA are the main endogenous molecular elements which control complex cellular mechanisms such as development, growth and response to biotic and abiotic stresses in a coordinated manner in plants. Utilizing the most recent information on...