ArticlePloS one2016
Primitive Genepools of Asian Pears and Their Complex Hybrid Origins Inferred from Fluorescent Sequence-Specific Amplification Polymorphism (SSAP) Markers Based on LTR Retrotransposons.
Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Phytochemical analysis, antioxidant, anti-inflammatory and enzyme inhibitory activities of bean pear (Frontiers in plant science · 2025Article
- Genetic marker: a genome mapping tool to decode genetic diversity of livestock animals.Frontiers in genetics · 2024Review
- Genome-wide clonal variability in European pear "Rocha" using high-throughput sequencing.Horticulture research · 2022Article
- High-quality genome assembly of 'Cuiguan' pear (Pyrus pyrifolia) as a reference genome for identifying regulatory genes and epigenetic modifications responsible for bud dormancy.Horticulture research · 2021Article
- Benzoate-CoA ligase contributes to the biosynthesis of biphenyl phytoalexins in elicitor-treated pear cell cultures.Plant cell reports · 2020Article
- De novo assembly of a wild pear (Pyrus betuleafolia) genome.Plant biotechnology journal · 2020Article
- Combined Analyses of Chloroplast DNA Haplotypes and Microsatellite Markers Reveal New Insights Into the Origin and Dissemination Route of Cultivated Pears Native to East Asia.Frontiers in plant science · 2018Article
- Complete chloroplast genome sequences of Wonwhang (Mitochondrial DNA. Part B, Resources · 2017Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Recent evidence indicated that interspecific hybridization was the major mode of evolution in Pyrus. The genetic relationships and origins of the Asian pear are still unclear because of frequent hybrid events, fast radial evolution, and lack of informative data. Here, we developed fluorescent sequence-specific amplification polymorphism (SSAP) markers with lots of informative sites and high polymorphism to analyze the population structure among 93 pear accessions, including nearly all species native to Asia. Results of a population structure analysis indicated that nearly all Asian pear species experienced hybridization, and originated from five primitive genepools. Four genepools corresponded to four primary Asian species: P. betulaefolia, P. pashia, P. pyrifolia, and P. ussuriensis. However, cultivars of P. ussuriensis were not monophyletic and introgression occurred from P. pyrifolia. The specific genepool detected in putative hybrids between occidental and oriental pears might be from occidental pears. The remaining species, including P. calleryana, P. xerophila, P. sinkiangensis, P. phaeocarpa, P. hondoensis, and P. hopeiensis in Asia, were inferred to be of hybrid origins and their possible genepools were identified. This study will be of great help for understanding the origin and evolution of Asian pears.
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