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In this study, we produced allo-diploid hybrids by cross-fertilization between female goldfish (<jats:italic>Carassius auratus<\/jats:italic>) and male golden venus chub (<jats:italic>Hemigrammocypris rasborella<\/jats:italic>). Inviability of these hybrids was due to breakage of the enveloping layer during epiboly or due to malformation with serious cardiac oedema around the hatching stage. Spontaneous allo-triploid hybrids with two sets of the goldfish genome and one set of the golden venus chub genome developed normally and survived beyond the feeding stage. This improved survival was confirmed by generating heat-shock-induced allo-triploid hybrids that possessed an extra goldfish genome. When inviable allo-diploid hybrid cells were transplanted into goldfish host embryos at the blastula stage, these embryos hatched normally, incorporating the allo-diploid cells. These allo-diploid hybrid cells persisted, and were genetically detected in a 6-month-old fish. In contrast, primordial germ cells taken from allo-diploid hybrids and transplanted into goldfish hosts at the blastula stage had disappeared by 10 days post-fertilization, even under chimeric conditions. In allo-triploid hybrid embryos, germ cells proliferated in the gonad, but had disappeared by 10 weeks post-fertilization. These results showed that while hybrid germ cells are inviable even in chimeric conditions, hybrid somatic cells remain viable.<\/jats:p>","DOI":"10.1017\/s0967199420000349","type":"journal-article","created":{"date-parts":[[2020,8,10]],"date-time":"2020-08-10T08:07:28Z","timestamp":1597046848000},"page":"470-481","source":"Crossref","is-referenced-by-count":1,"title":["Developmental potential of somatic and germ cells of hybrids between<i>Carassius auratus<\/i>females and<i>Hemigrammocypris rasborella<\/i>males"],"prefix":"10.1017","volume":"28","author":[{"given":"Yuki","family":"Naya","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomoka","family":"Matsunaga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yu","family":"Shimizu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eisuke","family":"Takahashi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fumika","family":"Shima","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mitsuru","family":"Endoh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0160-6496","authenticated-orcid":false,"given":"Takafumi","family":"Fujimoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katsutoshi","family":"Arai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4651-7086","authenticated-orcid":false,"given":"Etsuro","family":"Yamaha","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2020,8,10]]},"reference":[{"key":"S0967199420000349_ref3","doi-asserted-by":"publisher","DOI":"10.2331\/suisan.54.1695"},{"key":"S0967199420000349_ref4","first-page":"295","article-title":"Chromosome manipulation in aquaculture: recent progress and perspective","volume":"48","author":"Arai","year":"2000","journal-title":"Suisanzosyoku"},{"key":"S0967199420000349_ref7","doi-asserted-by":"publisher","DOI":"10.1016\/0044-8486(79)90097-8"},{"key":"S0967199420000349_ref57","first-page":"291","article-title":"Electrically fused-egg induction and its development in the goldfish, Carassius auratus","volume":"37","author":"Yamaha","year":"1993","journal-title":"Int J Dev Biol"},{"key":"S0967199420000349_ref65","doi-asserted-by":"publisher","DOI":"10.1534\/genetics.118.300777"},{"key":"S0967199420000349_ref64","doi-asserted-by":"crossref","first-page":"3157","DOI":"10.1242\/dev.124.16.3157","article-title":"Zebrafish vasa homologue RNA is localized to the cleavage planes of 2- and 4-cell-stage embryos and is expressed in the primordial germ cells","volume":"124","author":"Yoon","year":"1997","journal-title":"Development"},{"key":"S0967199420000349_ref55","doi-asserted-by":"publisher","DOI":"10.1387\/ijdb.190144hu"},{"key":"S0967199420000349_ref24","doi-asserted-by":"publisher","DOI":"10.1002\/mrd.22120"},{"key":"S0967199420000349_ref16","doi-asserted-by":"publisher","DOI":"10.1016\/0044-8486(93)90439-6"},{"key":"S0967199420000349_ref22","doi-asserted-by":"publisher","DOI":"10.1016\/j.aquaculture.2016.07.026"},{"key":"S0967199420000349_ref2","doi-asserted-by":"publisher","DOI":"10.2331\/suisan.52.823"},{"key":"S0967199420000349_ref28","doi-asserted-by":"publisher","DOI":"10.1002\/mrd.22142"},{"key":"S0967199420000349_ref6","first-page":"137","volume-title":"Sex control in Aquaculture, volume I, First Edition","author":"Arai","year":"2019"},{"key":"S0967199420000349_ref15","doi-asserted-by":"publisher","DOI":"10.1016\/j.ydbio.2012.07.010"},{"key":"S0967199420000349_ref50","doi-asserted-by":"publisher","DOI":"10.1002\/jez.a.48"},{"key":"S0967199420000349_ref34","doi-asserted-by":"publisher","DOI":"10.1387\/ijdb.062143ts"},{"key":"S0967199420000349_ref45","first-page":"113","article-title":"Hybridization experiments in cyprinid fishes. 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