Pathogenic selection promotes adaptive immune variations against serious bottlenecks in early invasions of bullfrogs

Zhang, Jiaqi; Wang, Supen; Xu, Chao; Wang, Siqi; Du, Jiacong; Niu, Meiling; Yang, Jie; Li, Yiming

doi:10.1016/j.isci.2023.107316

Cited by 2 publications

(3 citation statements)

References 82 publications

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“…However, few studies have investigated how adaptive genetic diversity and relevant functional diversity respond to new environments in invasive species. 16 …”

Section: Which Factors Drive Biological Invasions?mentioning

confidence: 99%

Managing the risk of biological invasions

Li,

2023

iScience

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“…However, few studies have investigated how adaptive genetic diversity and relevant functional diversity respond to new environments in invasive species. 16 …”

Section: Which Factors Drive Biological Invasions?mentioning

confidence: 99%

Managing the risk of biological invasions

Li,

2023

iScience

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“…The results of the study on the genetic structure of the population show that the two haplotypes in China are the same as the population branch in the western United States, indicating that the Chinese bullfrog may have originated from the western United States. Chinese invasive bullfrogs exhibit a 60% decrease in neutral genetic variations compared to their US native counterparts [26]. Despite experiencing lower genetic diversity at both Cytb and microsatellite loci compared to the US population, the Chinese bullfrog population exhibited rapid adaptation and expansion [26].…”

Section: Introductionmentioning

confidence: 99%

“…Chinese invasive bullfrogs exhibit a 60% decrease in neutral genetic variations compared to their US native counterparts [26]. Despite experiencing lower genetic diversity at both Cytb and microsatellite loci compared to the US population, the Chinese bullfrog population exhibited rapid adaptation and expansion [26]. The transmission route of bullfrog after its introduction to China is still unknown, and using mitochondrial markers such as Cytb may have limitations.…”

Section: Introductionmentioning

confidence: 99%

Variations in Genetic Diversity of Invasive Species Lithobates catesbeianus in China

Zhang,

Xu,

Wang

et al. 2024

Animals

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The introduction and subsequent range expansion of the American bullfrog (Lithobates catesbeianus) is part of a rising trend of troublesome biological invasions happening in China. This detrimental amphibious invasive species has strong adaptability. After its introduction and spread, it established its own ecological niche in many provinces of China, and its range has continued to expand to more areas. Previous studies recorded the introduction time of bullfrogs and calculated the changes in their genetic diversity in China using mitochondria, but the specific introduction route in China is still unknown. Expanding upon previous research, we employed whole-genome scans (utilizing 2b-RAD genomic sequencing) to examine single nucleotide polymorphisms (SNPs) and microsatellites within Lithobates catesbeianus to screen the genomes of these invasive amphibian species from eight Chinese provinces and two U.S. states, including Kansas, where bullfrogs originate. A total of 1,336,475 single nucleotide polymorphic loci and 17 microsatellite loci were used to calculate the genetic diversity of bullfrogs and their migration pathways. Our results suggest that the population in Hunan was the first to be introduced and to spread, and there may have been multiple introductions of subpopulations. Additionally, the genetic diversity of both the SNP and microsatellite loci in the Chinese bullfrog population was lower than that of the US population due to bottleneck effects, but the bullfrogs can adapt and spread rapidly. This study will offer crucial insights for preventing and controlling future introductions into the natural habitats in China. Additionally, it will assist in devising more precise strategies to manage the existing populations and curtail their continued expansion, as well as aim to improve clarity and originality while mitigating plagiarism risk.

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Pathogenic selection promotes adaptive immune variations against serious bottlenecks in early invasions of bullfrogs

Cited by 2 publications

References 82 publications

Managing the risk of biological invasions

Managing the risk of biological invasions

Variations in Genetic Diversity of Invasive Species Lithobates catesbeianus in China

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