Asymmetric Introgression and Cryptic Natural Hybridization between Two Species of Teucrium Section Polium (Lamiaceae) on the Balkan Peninsula
2024
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In this work, we analyzed the morphology and genetic structure of Teucrium montanum, T. capitatum and their hybrid T. × rohlenae from three syntopic populations. A morphometric study showed that the parents and their hybrids exhibited continuous morphological variation, with the hybrid positioned exactly between the parents. Genetic analysis revealed that plants morphologically identified as T. × rohlenae are fertile hybrids that produce hybrid swarms dominated by later-generation hybrids. This suggests that introgression, rather than speciation, is the more likely outcome of hybridization between these plant species. The extent and direction of gene flow between the two species differed markedly between the three syntopic localities. At the Trilj locality, it was clearly unidirectional, with T. capitatum playing the dominant role. At the Sićevo locality, gene flow was slightly asymmetric, favoring the genetic background of T. capitatum, while at the Sliven site, it was completely asym...metric in the opposite direction. The extreme case of unidirectional gene flow was observed at the Trilj locality where plants morphologically identified as T. montanum could not be genetically distinguished from T. capitatum. This suggests that interspecific hybridization occurred long ago, leading to introgression and cryptic hybrids, blurring of species boundaries and generating evolutionary noise.
Ključne reči:
asymmetric introgression / cryptic hybrids / geographic patterns / hybrid swarm / microsatellite / morphometry / natural hybridizationIzvor:
Plants, 2024, 13, 12Izdavač:
- MDPI
Finansiranje / projekti:
- BalkBioDrivers - Balkan biodiversity across spatial and temporal scales: Patterns and mechanisms driving vascular plant diversity (RS-ScienceFundRS-Ideje-7750112)
- Ministarstvo nauke, tehnološkog razvoja i inovacija Republike Srbije, institucionalno finansiranje - 200178 (Univerzitet u Beogradu, Biološki fakultet) (RS-MESTD-inst-2020-200178)
- Ministarstvo nauke, tehnološkog razvoja i inovacija Republike Srbije, institucionalno finansiranje - 200161 (Univerzitet u Beogradu, Farmaceutski fakultet) (RS-MESTD-inst-2020-200161)
- Ministarstvo nauke, tehnološkog razvoja i inovacija Republike Srbije, institucionalno finansiranje - 200178 (Univerzitet u Beogradu, Biološki fakultet) (RS-MESTD-inst-2020-200178)
- Croatia and the project KK.01.2.2.03.0017 CEKOM 3LJ.
DOI: 10.3390/plants13121617
ISSN: 2223-7747
PubMed: 38931049
WoS: 001257241500001
Scopus: 2-s2.0-85197129951
Institucija/grupa
PharmacyTY - JOUR AU - Lakušić, Dmitar AU - Zbiljić, Miloš AU - Šatović, Zlatko AU - Kuzmanović, Nevena AU - Liber, Zlatko PY - 2024 UR - https://farfar.pharmacy.bg.ac.rs/handle/123456789/5694 AB - In this work, we analyzed the morphology and genetic structure of Teucrium montanum, T. capitatum and their hybrid T. × rohlenae from three syntopic populations. A morphometric study showed that the parents and their hybrids exhibited continuous morphological variation, with the hybrid positioned exactly between the parents. Genetic analysis revealed that plants morphologically identified as T. × rohlenae are fertile hybrids that produce hybrid swarms dominated by later-generation hybrids. This suggests that introgression, rather than speciation, is the more likely outcome of hybridization between these plant species. The extent and direction of gene flow between the two species differed markedly between the three syntopic localities. At the Trilj locality, it was clearly unidirectional, with T. capitatum playing the dominant role. At the Sićevo locality, gene flow was slightly asymmetric, favoring the genetic background of T. capitatum, while at the Sliven site, it was completely asymmetric in the opposite direction. The extreme case of unidirectional gene flow was observed at the Trilj locality where plants morphologically identified as T. montanum could not be genetically distinguished from T. capitatum. This suggests that interspecific hybridization occurred long ago, leading to introgression and cryptic hybrids, blurring of species boundaries and generating evolutionary noise. PB - MDPI T2 - Plants T1 - Asymmetric Introgression and Cryptic Natural Hybridization between Two Species of Teucrium Section Polium (Lamiaceae) on the Balkan Peninsula VL - 13 IS - 12 DO - 10.3390/plants13121617 ER -
@article{ author = "Lakušić, Dmitar and Zbiljić, Miloš and Šatović, Zlatko and Kuzmanović, Nevena and Liber, Zlatko", year = "2024", abstract = "In this work, we analyzed the morphology and genetic structure of Teucrium montanum, T. capitatum and their hybrid T. × rohlenae from three syntopic populations. A morphometric study showed that the parents and their hybrids exhibited continuous morphological variation, with the hybrid positioned exactly between the parents. Genetic analysis revealed that plants morphologically identified as T. × rohlenae are fertile hybrids that produce hybrid swarms dominated by later-generation hybrids. This suggests that introgression, rather than speciation, is the more likely outcome of hybridization between these plant species. The extent and direction of gene flow between the two species differed markedly between the three syntopic localities. At the Trilj locality, it was clearly unidirectional, with T. capitatum playing the dominant role. At the Sićevo locality, gene flow was slightly asymmetric, favoring the genetic background of T. capitatum, while at the Sliven site, it was completely asymmetric in the opposite direction. The extreme case of unidirectional gene flow was observed at the Trilj locality where plants morphologically identified as T. montanum could not be genetically distinguished from T. capitatum. This suggests that interspecific hybridization occurred long ago, leading to introgression and cryptic hybrids, blurring of species boundaries and generating evolutionary noise.", publisher = "MDPI", journal = "Plants", title = "Asymmetric Introgression and Cryptic Natural Hybridization between Two Species of Teucrium Section Polium (Lamiaceae) on the Balkan Peninsula", volume = "13", number = "12", doi = "10.3390/plants13121617" }
Lakušić, D., Zbiljić, M., Šatović, Z., Kuzmanović, N.,& Liber, Z.. (2024). Asymmetric Introgression and Cryptic Natural Hybridization between Two Species of Teucrium Section Polium (Lamiaceae) on the Balkan Peninsula. in Plants MDPI., 13(12). https://doi.org/10.3390/plants13121617
Lakušić D, Zbiljić M, Šatović Z, Kuzmanović N, Liber Z. Asymmetric Introgression and Cryptic Natural Hybridization between Two Species of Teucrium Section Polium (Lamiaceae) on the Balkan Peninsula. in Plants. 2024;13(12). doi:10.3390/plants13121617 .
Lakušić, Dmitar, Zbiljić, Miloš, Šatović, Zlatko, Kuzmanović, Nevena, Liber, Zlatko, "Asymmetric Introgression and Cryptic Natural Hybridization between Two Species of Teucrium Section Polium (Lamiaceae) on the Balkan Peninsula" in Plants, 13, no. 12 (2024), https://doi.org/10.3390/plants13121617 . .