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Immunodetection of acetylated alpha-tubulin in stony corals: Evidence for the existence of flagella in coral male germ cells. | LitMetric

AI Article Synopsis

Article Abstract

The molecular and cellular characteristics of male germ cell development remain largely unknown in corals. This study focused on the expression pattern of acetylated α-tubulin (Ac-α-Tu), which is involved in male germ cell development in various animals across taxa, to gain a better understanding of male germ cell development in the stony coral Euphyllia ancora. Immunohistochemical analysis of the different stages of male germ cells showed the presence of filamentous Ac-α-Tu in the early to late stages of male germ cells-such as spermatogonia, spermatocytes, and spermatids-as well as in the flagella of mature sperm. Immunocytochemical and transmission electron microscope analyses demonstrated that early-stage male germ cells possess long flagella containing Ac-α-Tu. The presence of filamentous Ac-α-Tu was also immunohistochemically demonstrated in the male germ cells from 14 other coral species, implying that possession of flagella with Ac-α-Tu is a common characteristic of male germ cells in stony corals. Therefore, as a distinctive cellular characteristic of male germ cells, Ac-α-Tu could be used as a male germ cell marker in stony corals; indeed, immunolabeling for Ac-α-Tu may be a useful method to aid in the identification and morphological observation of male germ cells in various corals in basic and applied biology (e.g., aquaculture) as well as in ecological studies.

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Source
http://dx.doi.org/10.1002/mrd.22927DOI Listing

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