ArticleHorticulture research2025
Karyotype variation patterns and phenotypic responses of hybrid progenies of triploid loquat (
Article in Horticulture research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Magnetic nanoparticle-mediated genetic transformation and gene editing system in loquat (Eriobotrya japonica).Journal of integrative plant biology · 2026Article
- Impact of temperature on karyotype differences in Cynodon dactylon of different ploidy levels at different latitudes.BMC plant biology · 2026Article
- Analysis of Insect Resistance and Ploidy in Hybrid Progeny of TransgenicPlants (Basel, Switzerland) · 2025Article
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13 authors.
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Abstract
The sexual reproduction of triploids induces chromosomal karyotype variations, which are significant for germplasm resource innovation. Most triploid plants are with low fertility. Therefore, triploid offspring karyotypes' variation pattern and phenotypic response remain poorly understood. Here, we employed three diploids with diverse genetic distances as male parents to cross-pollinate the female fertile triploid loquat Q24 to construct three experimental populations. The chromosome numbers of 93.82% of hybrid plants were 34~46 in three hybrid populations. All 168 aneuploids with 160 karyotypes and a small percentage of euploids were detected among 178 hybrids by the improved molecular karyotype analysis method. Further analysis revealed that when being transmitted to offspring, chromosome 5 of Q24 as disomy had the highest frequency (>50%), while chromosome 12 had the lowest frequency (≤30%). The frequency of Q24's chromosomes being transmitted to offspring as disomy was influenced by the gene function on the chromosomes and the number of interchromosome collinear gene links. Whole-genome resequencing showed that the Q24 alleles exhibited segregation distortions in the offspring aneuploid population. Transgenic experiments demonstrated that
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