Gonatozygon

Gonatozygon is an endemic freshwater genus of green algae group of Jochalgen ( Zygnematales ). It consists of 12 species.

Features

The representatives form unbranched filaments of a cell line that readily disintegrate into single cells. The cells have a diameter of 4 to 20 micrometers and 500 micrometers long. The cells are rod-shaped and have a circular cross-section. The cells do not have a central constriction. The nucleus is located in the center. You have one, two or several chloroplasts, which are plate-shaped and are axially. The chloroplasts have partially longitudinal strips and carry several conspicuous pyrenoids. Are located on the cell walls of the pores, the walls are often prickly and sometimes composed of cylinder rings.

Asexual reproduction occurs by binary fission. Breaking of the thread or by converting yarn into thick-walled cells aplanospores. Sexual reproduction takes place by the characteristic for the jewelry algae conjugation. The zygote is spherical and remains in Konjugationskanal.

Occurrence

The representatives of the genus occur in the plankton of bog - lakes, bog ponds and ditches before.

Documents

• K.-H. Linne von Berg, K. Hoef -Emden, B. Marin, M. Melkonian: The Cosmos algae leader. The main freshwater algae under the microscope. Kosmos, Stuttgart 2004, pp. 274, ISBN 3-440-09719-6