Dependence of the Heterosis Effect on Genetic Distance, Determined using Various Molecular Markers.
degree of relatedness
genetic similarity
heterosis
molecular markers
Journal
Open life sciences
ISSN: 2391-5412
Titre abrégé: Open Life Sci
Pays: Poland
ID NLM: 101669614
Informations de publication
Date de publication:
2020
2020
Historique:
received:
12
11
2019
accepted:
03
12
2019
entrez:
14
5
2021
pubmed:
28
2
2020
medline:
28
2
2020
Statut:
epublish
Résumé
A number of studies have shown that the greater the genetic diversity of parental lines, the greater the heterosis effect. Genetic or phenotypic variation can be estimated by genotype testing on the basis of the observations obtained through prediction (a priori) or the observations and studies (a posteriori). The first method uses data such as the genealogy of a given subject and the information about its geographical origin. The second method is based on the phenotypic observation and studies, as well as on the molecular research. The development of molecular genetics and genotype testing methods at the DNA level has made it possible to rapidly assess the genetic variability regardless of the modifying effect of the environment. The aim of this study was to determine the relationship between the degree of relatedness and the DNA polymorphism (determined using AFLP, RAPD, and SSR markers) of inbred maize lines and the effect of hybrid-form heterosis. Our analysis demonstrated that the parental components for heterosis crosses can be selected on the basis of the genetic similarity determined using the molecular SSR markers and the Jaccard, Kluczyński, Nei, and Rogers coefficients. Molecular AFLP markers proved less useful for selecting the parental components, but may be used to group lines with incomplete origin data. In the case of the RAPD markers, no clear relationship between genetic distance and the heterosis effect was found in this study.
Identifiants
pubmed: 33987466
doi: 10.1515/biol-2020-0001
pii: biol-2020-0001
pmc: PMC8114616
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1-11Informations de copyright
© 2020 Agnieszka Tomkowiak et al. published by De Gruyter.
Déclaration de conflit d'intérêts
Conflicts of Interest: Przemysław Łukasz Kowalczewski who is co-author of this article is a current Editorial Board member of Open Life Sciences. This fact did not affect the peer-review process.
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