Genotypic diversity and epidemiology of Trichomonas gallinae in Columbidae: Insights from a comprehensive analysis

文献类型： 外文期刊

第一作者： Liu, Yu

作者： Liu, Yu;Cai, Haiming;Liao, Shenquan;Qi, Nanshan;Li, Juan;Lv, Minna;Lin, Xuhui;Song, Yongle;Hu, Junjing;Zhu, Yibin;Chen, Xiangjie;Yin, Lijun;Zhang, Jianfei;Sun, Mingfei;Liu, Yu;Guo, Yaqiong;Wang, Dingai;Yan, Zhuanqiang;Shen, Hanqin;Fang, Siyun

作者机构：

关键词： Epidemiology; ITS1/5.8S/ITS2 genotypes; Trichomonas gallinae

期刊名称：INTERNATIONAL JOURNAL FOR PARASITOLOGY-PARASITES AND WILDLIFE （ 影响因子：1.8； 五年影响因子：2.1 ）

ISSN： 2213-2244

年卷期： 2024 年 23 卷

页码：

收录情况： SCI

摘要： Trichomonas gallinae is a protozoa that parasitizes the upper gastrointestinal and respiratory tracts of various animals and birds, including Columbidae, Passeriformes, and Falconiformes. Polymerase chain reaction-based T. gallinae ITS1/5.8S/ITS2 gene typing yields inconsistent results owing to methodological differences. To standardize the statistical analysis of T. gallinae genotype distributions, this study employed MEGA-X software with the Tamamura 3-parameter (T92) + G model in the neighbor-joining method, with 2,000 bootstrap replicates, to calculate a systematic evolutionary tree. The resulting tree comprised 12 branches, ITS-OBT-Tg-1 to ITS-OBT-Tgl, with similar phylogenetic relationships. Relevant literature review yielded T. gallinae prevalence data in Columbidae. Statistical analysis was conducted from two perspectives: non-biological and biological factors, using chi-square tests and ordered logistic regression analysis. T. gallinae positivity rates differed significantly across diverse regions (x2 = 4,609.9, P = 0.000, df = 4) and at various times (x2 = 2,810.8, P = 0.000, df = 3). However, temperature and precipitation did not significantly affect T. gallinae positivity rates. Additionally, T. gallinae positivity rates differed significantly among diverse hosts (x2 = 2,958.6, P = 0.000, df = 14) and by host age (x2 = 478.5, P = 0.000, df = 2) and sex (x2 = 96.00, P = 0.000, df = 1). This comprehensive analysis aimed to control T. gallinae transmission, reduce economic and species resource losses, and provide a foundation for future related research.

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