Participation of Wild Species Genus <i>Avena</i> L. (Poaceae) of Different Ploidy in the Origin of Cultivated Species According to Data on Intragenomic Polymorphism of the ITS1-5.8S rRNA Region
The possible origin of four cultivated species of the genus <i>Avena</i> of different ploidy and different subgenome composition (<i>A. strigosa</i>, <i>A. abyssinica</i>, <i>A. byzantina</i>, and <i>A. sativa</i>) from possible wild specie...
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2025-05-01
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| author | Alexander A. Gnutikov Nikolai N. Nosov Igor G. Loskutov Alexander V. Rodionov Victoria S. Shneyer |
| author_facet | Alexander A. Gnutikov Nikolai N. Nosov Igor G. Loskutov Alexander V. Rodionov Victoria S. Shneyer |
| author_sort | Alexander A. Gnutikov |
| collection | DOAJ |
| description | The possible origin of four cultivated species of the genus <i>Avena</i> of different ploidy and different subgenome composition (<i>A. strigosa</i>, <i>A. abyssinica</i>, <i>A. byzantina</i>, and <i>A. sativa</i>) from possible wild species was investigated. The region of the internal transcribed spacer ITS1 and the 5.8S rRNA gene in the cultivated species was studied with next-generation sequencing (NGS), and the patterns of occurrence and distribution of the ribotypes were compared among them and with those of the wild species. According to these data diploid, <i>A. strigosa</i> is more closely related to the diploid <i>A. hirtula</i> than to polyploid oats, and it could have evolved independently of polyploid cultivated species. The tetraploid <i>Avena abyssinica</i> could be a cultivated derivative of <i>A. vaviloviana</i>. Two hexaploid cultivated species, <i>A. byzantina</i> and <i>A. sativa</i>, could have a different origin; <i>A. sativa</i> could be the cultivated form of <i>A. fatua</i>, whereas <i>A. byzantina</i> could originate independently. It was found that the oat species with the A and C subgenomes, even with strong morphological and karyological differences, could intercross and pass the further stages of introgression producing a new stable combination of genomes. Our data show that almost all species of <i>Avena</i> could form an introgressive interspecies complex. |
| format | Article |
| id | doaj-art-30a97cbfea7849808eeca78e37fd7c39 |
| institution | DOAJ |
| issn | 2223-7747 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Plants |
| spelling | doaj-art-30a97cbfea7849808eeca78e37fd7c392025-08-20T03:12:05ZengMDPI AGPlants2223-77472025-05-011410155010.3390/plants14101550Participation of Wild Species Genus <i>Avena</i> L. (Poaceae) of Different Ploidy in the Origin of Cultivated Species According to Data on Intragenomic Polymorphism of the ITS1-5.8S rRNA RegionAlexander A. Gnutikov0Nikolai N. Nosov1Igor G. Loskutov2Alexander V. Rodionov3Victoria S. Shneyer4N.I. Vavilov Institute of Plant Genetic Resources (VIR), St-Petersburg 190000, RussiaKomarov Botanical Institute (BIN RAS), St-Petersburg 197376, RussiaN.I. Vavilov Institute of Plant Genetic Resources (VIR), St-Petersburg 190000, RussiaKomarov Botanical Institute (BIN RAS), St-Petersburg 197376, RussiaKomarov Botanical Institute (BIN RAS), St-Petersburg 197376, RussiaThe possible origin of four cultivated species of the genus <i>Avena</i> of different ploidy and different subgenome composition (<i>A. strigosa</i>, <i>A. abyssinica</i>, <i>A. byzantina</i>, and <i>A. sativa</i>) from possible wild species was investigated. The region of the internal transcribed spacer ITS1 and the 5.8S rRNA gene in the cultivated species was studied with next-generation sequencing (NGS), and the patterns of occurrence and distribution of the ribotypes were compared among them and with those of the wild species. According to these data diploid, <i>A. strigosa</i> is more closely related to the diploid <i>A. hirtula</i> than to polyploid oats, and it could have evolved independently of polyploid cultivated species. The tetraploid <i>Avena abyssinica</i> could be a cultivated derivative of <i>A. vaviloviana</i>. Two hexaploid cultivated species, <i>A. byzantina</i> and <i>A. sativa</i>, could have a different origin; <i>A. sativa</i> could be the cultivated form of <i>A. fatua</i>, whereas <i>A. byzantina</i> could originate independently. It was found that the oat species with the A and C subgenomes, even with strong morphological and karyological differences, could intercross and pass the further stages of introgression producing a new stable combination of genomes. Our data show that almost all species of <i>Avena</i> could form an introgressive interspecies complex.https://www.mdpi.com/2223-7747/14/10/1550cerealsdomesticationgenome combinationsgrasseshybridizationmolecular phylogeny |
| spellingShingle | Alexander A. Gnutikov Nikolai N. Nosov Igor G. Loskutov Alexander V. Rodionov Victoria S. Shneyer Participation of Wild Species Genus <i>Avena</i> L. (Poaceae) of Different Ploidy in the Origin of Cultivated Species According to Data on Intragenomic Polymorphism of the ITS1-5.8S rRNA Region Plants cereals domestication genome combinations grasses hybridization molecular phylogeny |
| title | Participation of Wild Species Genus <i>Avena</i> L. (Poaceae) of Different Ploidy in the Origin of Cultivated Species According to Data on Intragenomic Polymorphism of the ITS1-5.8S rRNA Region |
| title_full | Participation of Wild Species Genus <i>Avena</i> L. (Poaceae) of Different Ploidy in the Origin of Cultivated Species According to Data on Intragenomic Polymorphism of the ITS1-5.8S rRNA Region |
| title_fullStr | Participation of Wild Species Genus <i>Avena</i> L. (Poaceae) of Different Ploidy in the Origin of Cultivated Species According to Data on Intragenomic Polymorphism of the ITS1-5.8S rRNA Region |
| title_full_unstemmed | Participation of Wild Species Genus <i>Avena</i> L. (Poaceae) of Different Ploidy in the Origin of Cultivated Species According to Data on Intragenomic Polymorphism of the ITS1-5.8S rRNA Region |
| title_short | Participation of Wild Species Genus <i>Avena</i> L. (Poaceae) of Different Ploidy in the Origin of Cultivated Species According to Data on Intragenomic Polymorphism of the ITS1-5.8S rRNA Region |
| title_sort | participation of wild species genus i avena i l poaceae of different ploidy in the origin of cultivated species according to data on intragenomic polymorphism of the its1 5 8s rrna region |
| topic | cereals domestication genome combinations grasses hybridization molecular phylogeny |
| url | https://www.mdpi.com/2223-7747/14/10/1550 |
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