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首页> 美国卫生研究院文献>The Korean Journal of Parasitology >Echinostoma mekongi n. sp. (Digenea: Echinostomatidae) from Riparian People along the Mekong River in Cambodia
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Echinostoma mekongi n. sp. (Digenea: Echinostomatidae) from Riparian People along the Mekong River in Cambodia

机译：echinostoma mekongi n。 sp。 （Digenea：Echinostomatidae）来自柬埔寨湄公河的河岸人

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n. sp. (Digenea: Echinostomatidae) is described based on adult flukes collected from humans residing along the Mekong River in Cambodia. Total 256 flukes were collected from the diarrheic stool of 6 echinostome egg positive villagers in Kratie and Takeo Province after praziquantel treatment and purging. Adults of the new species were 9.0–13.1 (av. 11.3) mm in length and 1.3–2.5 (1.9) mm in maximum width and characterized by having a head collar armed with 37 collar spines (dorsal spines arranged in 2 alternative rows), including 5 end group spines. The eggs in feces and worm uterus were 98–132 (117) μm long and 62–90 (75) μm wide. These morphological features closely resembled those of , , and several other 37-collar-spined species. However, sequencing of the nuclear ITS (ITS1-5.8S rRNA-ITS2) and 2 mitochondrial genes, 1 and 1, revealed unique features distinct from and also from other 37-collar-spined group available in GenBank ( , , , , , , , , , , , and sp. IG). Thus, we assigned our flukes as a new species, . The new species revealed marked variation in the morphology of testes (globular or lobulated), and smaller head collar, collar spines, oral and ventral suckers, and cirrus sac compared to and . Epidemiological studies regarding the geographical distribution and its life history, including the source of human infections, remain to be performed.
机译：ñ。 sp。 （Digenea：Echinostomatidae）是基于从沿着柬埔寨居住的人类收集的人类收集的成人群体。在Praziquantel治疗和清除后，从Kratie和Takeo省的6个echinostome蛋阳性村民的腹泻粪便中收集了256次氟尿。新物种的成年人的长度为9.0-13.1（AV。11.3）mm，最大宽度为1.3-2.5（1.9）mm，其特征在于，具有37项脊柱的头部套管（以2个替代行排列的背脊），包括5个末端血管。粪便和蠕虫子宫中的鸡蛋为98-132（117）μm长，62-90（75）μm宽。这些形态学特征与那些紧密相似，以及其他其他37型环状物种。然而，核的测序其（ITS1-5.8S rRNA-ITS2）和2个线粒体基因，1和1，揭示了与Genbank（,,,Poor）不同的独特特征，也是不同于Genbank（,,, ，，，，sp。Ig）。因此，我们将氟尿剂分配为新物种。新物种揭示了睾丸（球状或裂片）形态的显着变化，较小的头部套环，套环，口腔伴侣和腹侧吸盘，以及与和卷曲囊。关于地理分布及其生命史的流行病学研究，包括人类感染源，仍有待进行。

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