Genetic Diversity of Aquatic <i>Ranunculus</i> (<i>Batrachium</i>, Ranunculaceae) in One River Basin Caused by Hybridization
Aquatic <i>Ranunculus</i> (sect. <i>Batrachium</i>) include homophyllous and heterophyllous plants. The development of floating leaves may be induced by genetic mechanisms or/and environmental conditions and this fact complicates the morphologically based identification of sp...
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MDPI AG
2020-10-01
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| Series: | Plants |
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| author | Jurgita Butkuvienė Zofija Sinkevičienė Donatas Naugžemys Donatas Žvingila Audrius Skridaila Alexander A. Bobrov |
| author_facet | Jurgita Butkuvienė Zofija Sinkevičienė Donatas Naugžemys Donatas Žvingila Audrius Skridaila Alexander A. Bobrov |
| author_sort | Jurgita Butkuvienė |
| collection | DOAJ |
| description | Aquatic <i>Ranunculus</i> (sect. <i>Batrachium</i>) include homophyllous and heterophyllous plants. The development of floating leaves may be induced by genetic mechanisms or/and environmental conditions and this fact complicates the morphologically based identification of species. DNA-based studies provide the opportunity to expand the knowledge of this complicated group. We studied heterophyllous <i>Ranunculus</i> with well-developed capillary and intermediate leaves and visually homophyllous plants with capillary leaves from a single river basin, with the aim to evaluate their genetic polymorphism and taxonomic status—whether the plants with well-developed and weakly expressed intermediate leaves belong to different forms (taxa) or if they just express morphological variation of one or two taxa in a specific, very variable river environment. The studied heterophyllous and homophyllous plants from different rivers showed high genetic differentiation and a low level of genetic diversity within these groups. The molecular analysis did not reveal any inter simple sequence repeat (ISSR) polymorphism associated with the development of intermediate leaves. An analysis of nuclear ribosomal internal transcribed spacers ITS1–2 sequences revealed several ribotypes, which indicated the genetic heterogeneity of studied plants and indirectly confirmed the hybrid origin of some of them. Sterile plants originated from crossing of <i>R. circinatus</i> and <i>R. penicillatus</i> were discovered in the Skroblus River; however, identification of the parental species was impeded by the polymorphism detected. For this reason, cytological studies were performed and allowed confirmation of the hybrid origin of these plants. |
| first_indexed | 2024-03-10T15:16:42Z |
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| language | English |
| last_indexed | 2024-03-10T15:16:42Z |
| publishDate | 2020-10-01 |
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| record_format | Article |
| series | Plants |
| spelling | doaj.art-440d4fec9e0043628747ed701dbd13d32023-11-20T18:52:34ZengMDPI AGPlants2223-77472020-10-01911145510.3390/plants9111455Genetic Diversity of Aquatic <i>Ranunculus</i> (<i>Batrachium</i>, Ranunculaceae) in One River Basin Caused by HybridizationJurgita Butkuvienė0Zofija Sinkevičienė1Donatas Naugžemys2Donatas Žvingila3Audrius Skridaila4Alexander A. Bobrov5Life Sciences Center, Vilnius University, Saulėtekio av. 7, LT-10222 Vilnius, LithuaniaNature Research Centre, Institute of Botany, Žaliųjų Ežerų Str. 49, 12200 Vilnius, LithuaniaBotanical Garden, Vilnius University, Kairėnų Str. 43, 01100 Vilnius, LithuaniaLife Sciences Center, Vilnius University, Saulėtekio av. 7, LT-10222 Vilnius, LithuaniaBotanical Garden, Vilnius University, Kairėnų Str. 43, 01100 Vilnius, LithuaniaPapanin Institute for Biology of Inland Waters RAS, Borok, Nekouz distr., 152742 Yaroslavl reg., RussiaAquatic <i>Ranunculus</i> (sect. <i>Batrachium</i>) include homophyllous and heterophyllous plants. The development of floating leaves may be induced by genetic mechanisms or/and environmental conditions and this fact complicates the morphologically based identification of species. DNA-based studies provide the opportunity to expand the knowledge of this complicated group. We studied heterophyllous <i>Ranunculus</i> with well-developed capillary and intermediate leaves and visually homophyllous plants with capillary leaves from a single river basin, with the aim to evaluate their genetic polymorphism and taxonomic status—whether the plants with well-developed and weakly expressed intermediate leaves belong to different forms (taxa) or if they just express morphological variation of one or two taxa in a specific, very variable river environment. The studied heterophyllous and homophyllous plants from different rivers showed high genetic differentiation and a low level of genetic diversity within these groups. The molecular analysis did not reveal any inter simple sequence repeat (ISSR) polymorphism associated with the development of intermediate leaves. An analysis of nuclear ribosomal internal transcribed spacers ITS1–2 sequences revealed several ribotypes, which indicated the genetic heterogeneity of studied plants and indirectly confirmed the hybrid origin of some of them. Sterile plants originated from crossing of <i>R. circinatus</i> and <i>R. penicillatus</i> were discovered in the Skroblus River; however, identification of the parental species was impeded by the polymorphism detected. For this reason, cytological studies were performed and allowed confirmation of the hybrid origin of these plants.https://www.mdpi.com/2223-7747/9/11/1455aquatic plants<i>Ranunculus</i> sect. <i>Batrachium</i>hybridizationmolecular identification |
| spellingShingle | Jurgita Butkuvienė Zofija Sinkevičienė Donatas Naugžemys Donatas Žvingila Audrius Skridaila Alexander A. Bobrov Genetic Diversity of Aquatic <i>Ranunculus</i> (<i>Batrachium</i>, Ranunculaceae) in One River Basin Caused by Hybridization Plants aquatic plants <i>Ranunculus</i> sect. <i>Batrachium</i> hybridization molecular identification |
| title | Genetic Diversity of Aquatic <i>Ranunculus</i> (<i>Batrachium</i>, Ranunculaceae) in One River Basin Caused by Hybridization |
| title_full | Genetic Diversity of Aquatic <i>Ranunculus</i> (<i>Batrachium</i>, Ranunculaceae) in One River Basin Caused by Hybridization |
| title_fullStr | Genetic Diversity of Aquatic <i>Ranunculus</i> (<i>Batrachium</i>, Ranunculaceae) in One River Basin Caused by Hybridization |
| title_full_unstemmed | Genetic Diversity of Aquatic <i>Ranunculus</i> (<i>Batrachium</i>, Ranunculaceae) in One River Basin Caused by Hybridization |
| title_short | Genetic Diversity of Aquatic <i>Ranunculus</i> (<i>Batrachium</i>, Ranunculaceae) in One River Basin Caused by Hybridization |
| title_sort | genetic diversity of aquatic i ranunculus i i batrachium i ranunculaceae in one river basin caused by hybridization |
| topic | aquatic plants <i>Ranunculus</i> sect. <i>Batrachium</i> hybridization molecular identification |
| url | https://www.mdpi.com/2223-7747/9/11/1455 |
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