The chloroplast of Spirogyra is a long, spirally coiled ribbon which may contract to form a short, nearly straight rod. This happens under natural conditions and it can also be produced by a variety of inorganic salts and by some organic substances. It also occurs when the chloroplast is freed by centrifugal force from the clear peripheral protoplasm which is in contact with the cellulose wall....

MONICA MIHAELA CIRSTOIU1, IULIAN ANTONIAC2, LIANA PLES3, ELVIRA BRATILA4*, OCTAVIAN MUNTEANU1 1 Bucharest Emergency University Hospital, Obstetrics and Gynecology Department,169 Splaiul Independenþei, 050098, Bucharest, Romania 2 University Politehnica of Bucharest, Materials Science and Engineering Faculty, 313 Splaiul Independentei, 060042, Bucharest, Romania 3 Sfantul Ioan Emergency Hospital...

Adaptation of Spirogyra insignis (Chlorophyceae) to growth and survival in an extreme natural environment (sulphureous waters from La Hedionda Spa, S. Spain) was analysed by using an experimental model. Photosynthesis and growth of the alga were inhibited when it was cultured in La Hedionda Spa waters (LHW), but after further incubation for several weeks, the culture survived due to the growth ...

LIANA AMINOV1, MARIA VATAMAN1, MADALINA MOCANU 3, CRISTINA ELENA IANCU4, ANISIA IULIANA ALEXA5, DANA CRISTIANA MAXIM2*, LAURA ELISABETA CHECHERITA1* 1 University of Medicine and Pharmacy „Gr. T. Popa” Iasi, Department of Odontology-Periodontology and Fixed Prosthesis, 16 Universitatii Str., 700115, Iasi, Romania 2 University of Medicine and Pharmacy „Gr. T. Popa” Iasi, Department of Surgical Sc...