ArticleAnnals of botany2015
Diversity and relationships of Crocus sativus and its relatives analysed by inter-retroelement amplified polymorphism (IRAP).
Article in Annals of botany, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 51 citations in OpenAlex.
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- Current Knowledge of the Antidepressant Activity of Chemical Compounds fromPharmaceuticals (Basel, Switzerland) · 2022Review
- Development of EST-based methylation specific PCR (MSP) markers in Crocus sativus.Molecular biology reports · 2022Article
- Understanding saffron biology using omics- and bioinformatics tools: stepping towards a better Crocus phenome.Molecular biology reports · 2022Article
- Ancient Artworks and Crocus Genetics Both Support Saffron's Origin in Early Greece.Frontiers in plant science · 2022Review
- Insights from the analysis of draft genome sequence ofBioinformation · 2022Article
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- The landscape and structural diversity of LTR retrotransposons in Musa genome.Molecular genetics and genomics : MGG · 2017Article
- Impact of transposable elements on polyploid plant genomes.Annals of botany · 2017Review
- Polyploidy and interspecific hybridization: partners for adaptation, speciation and evolution in plants.Annals of botany · 2017Review
- Improvement of saffron production usingAIMS microbiology · 2017Article
- Genetic and Epigenetic Approaches for the Possible Detection of Adulteration and Auto-Adulteration in Saffron (Crocus sativus L.) Spice.Molecules (Basel, Switzerland) · 2016Article
- Chromosomal distribution and evolution of abundant retrotransposons in plants: gypsy elements in diploid and polyploid Brachiaria forage grasses.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2015Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsSaffron (Crocus sativus) is a sterile triploid (2n = 3x = 24) cultivated species, of unknown origin from other diploid and polyploid species in the genus Crocus (Iridaceae). Species in the genus have high morphological diversity, with no clear phylogenetic patterns below the level of section Crocus series Crocus. Using DNA markers, this study aimed to examine the diversity and relationships within and between species of Crocus series Crocus.
methodsEleven inter-retroelement amplified polymorphism (IRAP) primers were used in 63 different combinations with 35 single-plant accessions of C. sativus and related Crocus species in order to determine genetic variability and to conduct phylogenetic analysis. KEY
resultsA total of 4521 distinct polymorphic bands from 100 bp to approx. 4 kb were amplified; no fragment specific to all accessions of a single species was amplified. The polymorphic information content (PIC) values varied from approx. 0·37 to approx. 0·05 (mean 0·17 ± 0·1) and the major allele frequency had a mean of 0·87. High levels of polymorphism were identified between accessions of the six species of Crocus series Crocus related to C. sativus, with further variation between the species. In contrast, no polymorphisms were seen among 17 C. sativus accessions obtained in the region from Kashmir through Iran to Spain.
conclusionsIn contrast to the intraspecific variability seen in other Crocus species, C. sativus has minimal genetic variation, and it is concluded that the triploid hybrid species has most probably arisen only once. The data show that saffron is an allotriploid species, with the IRAP analysis indicating that the most likely ancestors are C. cartwrightianus and C. pallasii subsp. pallasii (or close relatives). The results may facilitate resynthesizing saffron with improved characteristics, and show the need for conservation and collection of wild Crocus.
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