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Morphology, Taxonomy And Mating‑Type Loci In Natural Populations Of Volvox Carteri In Taiwan, Hisayoshi Nozaki, Noriko Ueki, Mari Takusagawa, Shota Yamashita, Osami Misumi, Ryo Matsuzaki, Masanobu Kawachi, Yin-Ru Chiang, Jiunn-Tzong Wu
Morphology, Taxonomy And Mating‑Type Loci In Natural Populations Of Volvox Carteri In Taiwan, Hisayoshi Nozaki, Noriko Ueki, Mari Takusagawa, Shota Yamashita, Osami Misumi, Ryo Matsuzaki, Masanobu Kawachi, Yin-Ru Chiang, Jiunn-Tzong Wu
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Background: Volvox carteri f. nagariensis is a model taxon that has been studied extensively at the cellular and molecular level. The most distinctive morphological attribute of V. carteri f. nagariensis within V. carteri is the production of sexual male spheroids with only a 1:1 ratio of somatic cells to sperm packets or androgonidia (sperm packet initials). However, the morphology of male spheroids of V. carteri f. nagariensis has been examined only in Japanese strains. In addition, V. carteri f. nagariensis has heterothallic sexuality; male and female sexes are determined by the sex-determining chromosomal region or mating-type locus composed of a …