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Isolation and characterization of microsatellites for the endangered endemic tree Nothofagus alessandrii (Nothofagaceae)
| dc.contributor.author | Torres-Díaz, Cristian | |
| dc.contributor.author | Valladares, Moisés A. | |
| dc.contributor.author | Molina-Montenegro, Marco A. | |
| dc.contributor.author | Mora-Poblete, Freddy | |
| dc.date.accessioned | 2022-08-24T16:27:05Z | |
| dc.date.available | 2022-08-24T16:27:05Z | |
| dc.date.issued | 2021 | |
| dc.identifier.uri | http://repositorio.ucm.cl/handle/ucm/4002 | |
| dc.description.abstract | Nothofagus alessandrii (Nothofagaceae) is one of the most endangered trees from Chile due to high rates of habitat disturbance caused by human activities. Despite its conservation status, few molecular markers are available to study its population genetic, connectivity and to assist reproduction programs. Thus, the species needs urgent actions to restore its original distribution. Novel polymorphic microsatellites from the genome of N. alessandrii were isolated and characterized using high-through sequencing. A total of 30 primer pairs were synthesized and 18 microsatellites were amplified correctly. Polymorphism and genetic diversity was evaluated in 58 individuals from three populations of N. alessandrii. Sixteen of them were polymorphic and the number of alleles in the pooled sample ranged from 2 to 14, the mean number of alleles was 4.81. The mean values of observed heterozigosity (HO) and excepted heterozygosity (HE) are similar in all studied populations. Linkage disequilibrium was found between a few pairs of loci (five out of 263 tests) suggesting that most of the markers can be considered as independent. Significant deviations from Hardy–Weinberg equilibrium (P < 0.05) were found in four loci probably due to low sampling size. Transferability to the congeneric N. pumilio was successful in only four out of the sixteen polymorphic markers. The microsatellite markers developed in this study will be useful to study the genetic diversity and structure and to develop integrated management plans for the conservation of this endangered species. | es_CL |
| dc.language.iso | en | es_CL |
| dc.rights | Atribución-NoComercial-SinDerivadas 3.0 Chile | * |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ | * |
| dc.source | Molecular Biology Reports, 48, 3877-3883 | es_CL |
| dc.subject | Nothofagus alessandrii | es_CL |
| dc.subject | Conservation genetics | es_CL |
| dc.subject | Endangered species | es_CL |
| dc.subject | Nothofagaceae | es_CL |
| dc.subject | Next-generation sequencing | es_CL |
| dc.title | Isolation and characterization of microsatellites for the endangered endemic tree Nothofagus alessandrii (Nothofagaceae) | es_CL |
| dc.type | Article | es_CL |
| dc.ucm.indexacion | Scopus | es_CL |
| dc.ucm.indexacion | Isi | es_CL |
| dc.ucm.uri | sibib2.ucm.cl:2048/login?url=https://link.springer.com/article/10.1007/s11033-021-06291-3 | es_CL |
| dc.ucm.doi | doi.org/10.1007/s11033-021-06291-3 | es_CL |
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