Overview

Comprehensive Description

Description of Yamagishiella

Colonies cylindrical, ellipsoidal or nearly spherical, with (8), 16 or 32 cells, separated from each other by spaces and arranged peripherally in distinct tiers within a common gelatinous matrix; colonial boundary not penetrating between cells into centre of colony, each cell surrounded tightly by separate fibrillar zone (cellular envelope) of extracellular matrix within tripartite colonial boundary; cells ovoid to spherical, with two equal flagella; chloroplast cup-shaped, longitudinally striated, with a single basal pyrenoid; eyespot present, larger in anterior cells; nucleus central; contractile vacuoles 2; asexual reproduction with a plakeal stage and inversion to form daughter colonies within transparent vesicles in the parental gelatinous matrix; sexual reproduction isogamous, heterothallic; each cell of a colony potentially becoming a gamete; nutrition possibly obligately phototrophic; growing in freshwater pools and ditches, also appearing in cultures from dried soil samples.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:5
Specimens with Sequences:5
Specimens with Barcodes:5
Species:1
Species With Barcodes:1
Public Records:5
Public Species:1
Public BINs:0
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Wikipedia

Yamagishiella

Yamagishiella is a genus of colonial green algae, specifically of the Volvocaceae.[1] Yamagishiella differs from Eudorina by its isogamous sexual reproduction, but the vegetative morphology and asexual reproduction characteristics of these two genera (especially Y. unicocca and E. unicocca) are indistinguishable. [2]

References[edit]

  1. ^ See the NCBI webpage on Yamagishiella. Data extracted from the "NCBI taxonomy resources". National Center for Biotechnology Information. Retrieved 2007-03-19. 
  2. ^ Nozaki, H. Flagellated Green Algae: Volvocaceae, Yamagishiella. In: Freshwater algae of North America: ecology and classification. John D. Wehr, Robert G. Sheath, eds. p 242.
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