Failure to observe cross-fertilization between the Echinococcus granulosus G1 and G6 strains after an experimental mixed infection of the definitive host.

Maillard S.; Benchikh-Elfegoun M. C.; Kohil K.; Gottstein B.; Piarroux R.

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Failure to observe cross-fertilization between the Echinococcus granulosus G1 and G6 strains after an experimental mixed infection of the definitive host.

机译：在实验性感染定宿主后，未能观察到细粒棘球ocG1和G6菌株之间的交叉受精。

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The classification within Echinococcus granulosus is currently under debate. To assess the reproductive potential between the G1 and G6 strains, an experimental double infection was carried out in a dog. First, two fertile hydatid cysts were collected in Algeria from a cow and a dromedary. They were identified as being G1 and G6 with the markers coxI and nadI. Subsequently, a dog was inoculated with protoscoleces from these two cysts. Sixty days after infection, 85 adult worms were recovered from the intestine of the dog. Then, the two cysts and each of these individual parasites were characterized with the multilocus microsatellite EmsB and compared. For all worms, the scolex and the gravid proglottids, separately analyzed, provided an identical profile: the G1 profile was observed in 70 adults, and the G6 profile in the 15 others. No single worm exhibited a hybrid G1/G6 profile. This result suggests the absence of cross-fertilizing between the two taxa under the given experimental conditions, and so, the presence of a strong cross-reproductive barrier. This observation corroborates with the recent reclassification of G1 and G6 within two distinct species.

机译：目前正在讨论细粒棘球oc 的分类。为了评估G1和G6菌株之间的繁殖潜力，在犬中进行了实验性双重感染。首先，在阿尔及利亚从一头母牛和单峰驼上收集了两个可育的包虫囊肿。它们被标记为 coxI 和 nadI 分别为G1和G6。随后，用这两个囊肿的原核接种狗。感染后六十天，从狗的肠道中发现了85条成虫。然后，用多位点微卫星EmsB表征两个囊肿和每个这些寄生虫，并进行比较。对于所有蠕虫，分别进行分析的盲尾和妊娠前舌提供了相同的特征：在70个成年动物中观察到了G1特征，在其他15个中观察到了G6特征。没有一个蠕虫表现出混合的G1 / G6配置文件。该结果表明在给定的实验条件下，两个类群之间没有交叉施肥，因此，存在强大的交叉繁殖障碍。这一观察结果与最近在两个不同物种中对G1和G6的重新分类相符。

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《Veterinary Parasitology》 |2011年第2期|共4页
作者
Maillard S.; Benchikh-Elfegoun M. C.; Kohil K.; Gottstein B.; Piarroux R.;
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正文语种 eng
中图分类动物医学（兽医学）;
关键词
classification; cows; DNA; genetics; hosts; hybrids; hydatids; infections; intestines; markers; microsatellites; mixed infections; molecular genetics; parasites; parasitology; taxonomy; Camelus; cattle; dogs; dromedaries; Echinococcus; Echinococcus granulosus; Maghreb; North Africa; Africa; Mediterranean Region; Developing Countries; Threshold Countries; Francophone Africa; Camelus; Camelidae; Tylopoda; Artiodactyla; mammals; vertebrates; Chordata; animals; ungulates; eukaryotes; Taeniidae.Eucestoda; Cestoda; Platyhelminthes; invertebrates; Echinococcus; Canis; Canidae; Fissipeda; carnivores; small mammals; Bos; Bovidae; ruminants.;

机译：分类;牛;DNA;遗传学;宿主;杂种;杂种;感染;肠;标记物;微卫星;混合感染;分子遗传学;寄生虫;寄生虫学;分类学;骆驼;牛;狗;单峰骆驼科;棘球E;棘球E非洲;非洲;地中海地区;发展中国家;门槛国家;非洲法语国家;骆驼属;骆驼科;Tylopoda;木偶藻;哺乳动物;脊椎动物;Chordata;动物;有蹄类动物;真核生物;Taeniidae.Eucestida;Cestoda犬科;菲斯贝达;食肉动物;小型哺乳动物;博斯;牛科;反刍动物。;

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1. Failure to observe cross-fertilization between the Echinococcus granulosus G1 and G6 strains after an experimental mixed infection of the definitive host. [J] . Maillard S., Benchikh-Elfegoun M. C., Kohil K., Veterinary Parasitology . 2011,第1a2期

机译：在实验性感染定宿主后，未能观察到细粒棘球ocG1和G6菌株之间的交叉受精。
2. Taxonomic position and geographical distribution of the common sheep G1 and camel G6 strains of Echinococcus granulosus in three African countries [J] . S. Maillard, M. C. Benchikh-Elfegoun, J. Knapp, Parasitology Research . 2007,第3期

机译：非洲三个国家中细粒棘球E的普通绵羊G1和骆驼G6株的分类位置和地理分布
3. Taxonomic position and geographical distribution of the common sheep G1 and camel G6 strains of Echinococcus granulosus in three African countries. [J] . Maillard S, Benchikh-Elfegoun MC, Knapp J, Parasitology Research . 2007,第3期

机译：非洲三个国家中细粒棘球E的普通绵羊G1和骆驼G6株的分类位置和地理分布。
4. Definitive identification of single versus mixed mycobacterial infection(s) in red deer (Census elaphus) by combined duplex upstream-p34:f57 amplification and Hpy188l enzymatic restriction of duplex amplicons [C] . Godfroid J, Delcorps C, Irenge L, International Colloquium on Paratuberculosis . 2007

机译：通过组合双相上游-P34，对红鹿（人口普查eLaphus）中单一与混合分枝杆菌感染的明确鉴定 - P34：F57扩增和双相扩增的HPY188L酶限制
5. Antimicrobial treatment of experimental infection due to an extended-spectrum β-lactamase-producing Klebsiella pneumoniae strain [D] . Mathe, Andras 2007

机译：产生大范围β-内酰胺酶的肺炎克雷伯氏菌菌株对实验性感染的抗菌治疗
6. Molecular Characterization of Echinococcus granulosus Cysts in North Indian Patients: Identification of G1 G3 G5 and G6 Genotypes [O] . Monika Sharma, Rakesh Sehgal, Bashir Ahmad Fomda, 2013

机译：北印度患者细粒棘球Cy囊肿的分子特征：G1G3G5和G6基因型的鉴定。
7. Molecular characterization of Echinococcus granulosus in south-eastern Romania: evidence of G1–G3 and G6–G10 complexes in humans [O] . Piccoli L., Bazzocchi C., Brunetti E., 2013

机译：罗马尼亚东南部细粒棘球oc的分子特征：人类中G1-G3和G6-G10复合物的证据

Failure to observe cross-fertilization between the Echinococcus granulosus G1 and G6 strains after an experimental mixed infection of the definitive host.

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