Article
Immunogenetic losses co-occurred with seahorse male pregnancy and mutation in tlx1 accompanied functional asplenia.
Nature communications - 9 Dec 2022
Liu Yali, Qu Meng, Jiang Han, Schneider Ralf, Qin Geng, Luo Wei, Yu Haiyan, Zhang Bo, Wang Xin, Zhang Yanhong, Zhang Huixian, Zhang Zhixin, Wu Yongli, Zhang Yingyi, Yin Jianping, Zhang Si, Venkatesh Byrappa, Roth Olivia, Meyer Axel, Lin Qiang
Abstract excerpt
In the highly derived syngnathid fishes (pipefishes, seadragons & seahorses), the evolution of sex-role reversed brooding behavior culminated in the seahorse lineage's male pregnancy, whose males feature a specialized brood pouch into which females deposit eggs during mating. Then, eggs are intimately engulfed by a placenta-like tissue that facilitates gas and nutrient exchange. As fathers immunologically...
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