A Single Injection of Hypertrophied Androgenic Gland Cells Produces All-Female Aquaculture
A Single Injection of Hypertrophied Androgenic Gland Cells Produces All-Female Aquaculture
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DOI：
10.1007/s10126-016-9717-5
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发表时间：
2016-10-01
影响因子：
3
通讯作者：
Sagi, Amir
中科院分区：
文献类型：
--
作者：
Levy, Tom;Rosen, Ohad;Sagi, Amir
在畜牧业中常见的单性文化使性别管理成为可能。在这里，罗氏沼虾（Macrobrachium rosenbergii）的全雌对虾（Macrobrachium rosenbergii）的生产是通过一种新的生物技术实现的，包括三个步骤：(a)单次注射悬浮肥大的雄激素腺体细胞，使雌性完全功能地性别逆转为具有WZ基因型的“新雄性”；(b)新雄性与正常雌性（WZ）杂交获得基因组验证的WW雌性；(c) WW雌性与正常雄性（ZZ）杂交产生全雌性后代。这是第一个大规模全雌甲壳类水产养殖的可持续生物技术。这种方法特别适用于雌性优于雄性的物种，并提供种子保护，从而确保高质量的种子供应。因此，我们的技术不仅将彻底改变甲壳类水产养殖业的结构，而且还可以应用于其他部门。最后，缺乏Z染色体的可存活和可繁殖的雌性的产生质疑其在性方面的作用。
Monosex culture, common in animal husbandry, enables gender-specific management. Here, production of all-female prawns (Macrobrachium rosenbergii) was achieved by a novel biotechnology comprising three steps: (a) A single injection of suspended hypertrophied androgenic gland cells caused fully functional sex reversal of females into "neo-males" bearing the WZ genotype; (b) crossing neo-males with normal females (WZ) yielded genomically validated WW females; and (c) WW females crossed with normal males (ZZ) yielded all-female progeny. This is the first sustainable biotechnology for large-scale all-female crustacean aquaculture. The approach is particularly suited to species in which females are superior to males and offers seedstock protection, thereby ensuring a quality seed supply. Our technology will thus revolutionize not only the structure of the crustacean aquaculture industry but can also be applied to other sectors. Finally, the production of viable and reproducible females lacking the Z chromosome questions its role, with respect to sexuality.