Two species of the green algae Volvox sect. Volvox from the Japanese ancient lake, Lake Biwa.

ABSTRACT: Volvox sect. Volvox is a group of green algae with unique morphological features (thick cytoplasmic bridges between somatic cells and spiny zygote walls) and a worldwide distribution. Despite research interest in the diversity of organisms in ancient lakes, Volvox sect. Volvox from ancient lakes worldwide has not been identified to the species level. Here, we established clonal cultures of two species of this group originating from Lake Biwa, an ancient lake in Japan, and performed identification based on morphological and molecular data. One was identified as Volvox kirkiorum based on the nuclear ribosomal DNA internal spacer region (ITS) sequence, bisexual (monoicous or monoecious) spheroids, and zygote morphology. The other showed genetic separation from related species based on the sec

SUBMITTER: Nozaki H 

PROVIDER: S-EPMC11419359 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature