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Croft, A. M.; Pang, E. C. K.; Taylor, P. W. J.

doi:10.1023/a:1003520721375

Cited by 58 publications

(10 citation statements)

References 24 publications

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“…Our investigation highlighted a high genetic polymorphism at intra-specific level (77% of the total genetic diversity), regardless the geographic origin. These results confirmed previous phylogenetic studies based on morphological/agronomic, biochemical, and molecular markers [23,[52][53][54]. This is probably due to the high out-crossing rate within the populations of each species which increased the intra-specific diversity.…”

Section: Genetic Diversitysupporting

confidence: 91%

Genetic Diversity among Lathyrus ssp. Based on Agronomic Traits and Molecular Markers

et al. 2020

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Grasspea (Lathyrus sativus L.) and its relatives are considered resilient legumes due to their high ability to cope with different stresses. In this study, the genetic diversity of three Lathyrus species (L. sativus, L cicera and L. ochrus) was assessed by agronomic traits and molecular markers (Simple Sequence Repeat-SSR) in order to detect accessions useful for future breeding strategies. Phenotypic traits showed a high significant variation in which 1000 seed weight (1000 SW) and protein content appeared the most discriminant, as observed by principal component analysis (PCA). SSR analysis was able to detect forty-eight different alleles with an average of 9.6 allele per locus, and a Polymorphic Information Content (PIC) and a gene diversity of 0.745 and 0.784, respectively. Cluster analysis based on agronomic traits as well as molecular data grouped accessions by species but not by geographical origin. This result was confirmed by Principal Coordinates Analysis (PCoA) and Structure Analysis as well. Moreover, genetic structure analysis revealed a high genetic differentiation between L. ochrus and the other species. Analysis of MOlecular Variance (AMOVA) displayed a greater genetic diversity within species (77%) than among them (23%). Finally, a significant positive correlation was observed between agronomic and genetic distances (Mantel’s test). In conclusion, the variability detected within accessions in each species and the differences among species may be useful to plan next breeding programs, focusing on biomass production as well as protein content.

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Section: Genetic Diversitysupporting

confidence: 91%

Genetic Diversity among Lathyrus ssp. Based on Agronomic Traits and Molecular Markers

et al. 2020

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“…Thus, studies on Vicia included up to 55 species [17-23]; phylogenetic studies on the genus Lathyrus included up to 53 species [12,13,24-26]; several studies analysed the genera Lens [27-29] and Pisum [30-33]; finally, Oskoueiyan et al [10] analysed the phylogenetic position of Vavilovia . Full chloroplast genomes have recently become available for Lathyrus sativus and Pisum sativum [34].…”

Section: Introductionmentioning

confidence: 99%

Systematics, biogeography, and character evolution of the legume tribe Fabeae with special focus on the middle-Atlantic island lineages

et al. 2012

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BackgroundTribe Fabeae comprises about 380 legume species, including some of the most ancient and important crops like lentil, pea, and broad bean. Breeding efforts in legume crops rely on a detailed knowledge of closest wild relatives and geographic origin. Relationships within the tribe, however, are incompletely known and previous molecular results conflicted with the traditional morphology-based classification. Here we analyse the systematics, biogeography, and character evolution in the tribe based on plastid and nuclear DNA sequences.ResultsPhylogenetic analyses including c. 70% of the species in the tribe show that the genera Vicia and Lathyrus in their current circumscription are not monophyletic: Pisum and Vavilovia are nested in Lathyrus, the genus Lens is nested in Vicia. A small, well-supported clade including Vicia hirsuta, V. sylvatica, and some Mediterranean endemics, is the sister group to all remaining species in the tribe. Fabeae originated in the East Mediterranean region in the Miocene (23–16 million years ago (Ma)) and spread at least 39 times into Eurasia, seven times to the Americas, twice to tropical Africa and four times to Macaronesia. Broad bean (V. faba) and its sister V. paucijuga originated in Asia and might be sister to V. oroboides. Lentil (Lens culinaris ssp. culinaris) is of Mediterranean origin and together with eight very close relatives forms a clade that is nested in the core Vicia, where it evolved c. 14 Ma. The Pisum clade is nested in Lathyrus in a grade with the Mediterranean L. gloeosperma, L. neurolobus, and L. nissolia. The extinct Azorean endemic V. dennesiana belongs in section Cracca and is nested among Mediterranean species. According to our ancestral character state reconstruction results, ancestors of Fabeae had a basic chromosome number of 2n=14, an annual life form, and evenly hairy, dorsiventrally compressed styles.ConclusionsFabeae evolved in the Eastern Mediterranean in the middle Miocene and spread from there across Eurasia, into Tropical Africa, and at least seven times to the Americas. The middle-Atlantic islands were colonized four times but apparently did not serve as stepping-stones for Atlantic crossings. Long-distance dispersal events are relatively common in Fabeae (seven per ten million years). Current generic and infrageneric circumscriptions in Fabeae do not reflect monophyletic groups and should be revised. Suggestions for generic level delimitation are offered.

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“…Unfortunately grass pea, together with many other legumes, belongs to the ‘research orphan crops’ and little information is available on it, particularly at the molecular level. DNA-based markers utilized so far in this species include random amplification of polymorphic DNA (RAPD) (Croft et al 1999), amplified fragment length polymorphism (AFLP) (Tavoletti and Iommarini 2007) and very recently simple seqeunce repeat (SSR) (Lioi et al 2011). Restriction fragment length polymorphism (RFLP) (Chtourou-Ghorbel et al 2001) and inter-simple sequence repeat (ISSR) (Belaid et al 2006) markers have also been utilized to evaluate the genetic relationships between different species in the genus .…”

Section: Introductionmentioning

confidence: 99%

Exploring the genetic diversity of Ethiopian grass pea (Lathyrus sativus L.) using EST-SSR markers

et al. 2011

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Expressed sequence tags (ESTs) in public databases and cross-species transferable markers are considered to be a cost-effective means for developing sequence-based markers for less-studied species. In this study, EST-simple sequence repeat (SSR) markers developed from Lathyrus sativus L. EST sequences and cross-transferable EST-SSRs derived from Medicago truncatula L. were utilized to investigate the genetic diversity among grass pea populations from Ethiopia. A total of 45 alleles were detected using eleven EST-SSRs with an average of four alleles per locus. The average polymorphism information content for all primers was 0.416. The average gene diversity was 0.477, ranging from 0.205 for marker Ls942 to 0.804 for MtBA32F05. FST values estimated by analysis of molecular variance were 0.01, 0.15, and 0.84 for among regions, among accessions and within accessions respectively, indicating that most of the variation (84%) resides within accessions. Model-based cluster analysis grouped the accessions into three clusters, grouping accessions irrespective of their collection regions. Among the regions, high levels of diversity were observed in Gojam, Gonder, Shewa and Welo regions, with Gonder region showing a higher number of different alleles. From breeding and conservation aspects, conducting a close study on a specific population would be advisable for genetic improvement in the crop, and it would be appropriate if future collection and conservation plans give due attention to under-represented regions.Electronic supplementary materialThe online version of this article (doi:10.1007/s11032-011-9662-y) contains supplementary material, which is available to authorized users.

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Cited by 58 publications

References 24 publications

Genetic Diversity among Lathyrus ssp. Based on Agronomic Traits and Molecular Markers

Genetic Diversity among Lathyrus ssp. Based on Agronomic Traits and Molecular Markers

Systematics, biogeography, and character evolution of the legume tribe Fabeae with special focus on the middle-Atlantic island lineages

Exploring the genetic diversity of Ethiopian grass pea (Lathyrus sativus L.) using EST-SSR markers

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