Growth, survival and reproduction in Chlorella vulgaris and C. variegata with respect to culture age and under different chemical factors
Batch cultures of Chlorella vulgaris and C. variegata reproducing about twice every 5 d within 0-15 d had vegetative cells and autospore mother cells in the ratio of about 19 : 1. Continuous slow or negligible and/or no growth in control cultures older than 15-d or in young cultures supplied with th...
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Published in | Folia microbiologica Vol. 52; no. 4; pp. 399 - 406 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
United States
01.01.2007
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Subjects | |
Online Access | Get full text |
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Summary: | Batch cultures of Chlorella vulgaris and C. variegata reproducing about twice every 5 d within 0-15 d had vegetative cells and autospore mother cells in the ratio of about 19 : 1. Continuous slow or negligible and/or no growth in control cultures older than 15-d or in young cultures supplied with the antibiotics streptomycin, penicillin, amoxycillin (10-1000 ppm) or tetracycline (10, 100 ppm), and pesticides carbofuran, gammaxine, moticop or iralon (1-100 ppm) was due to slow autospore mother cells dehiscence (leading to an increase in their percentage); while negligible and/or no growth of both algal species in sewage water (100, 25%), detergent (0.1-1%), petrol or kerosene (5-20 %), benzene, toluene or phenol (5, 10%), and pesticides rogor or endosulfan (1, 10 ppm) was due to vegetative cells failure to differentiate into autospore mother cells (leading to decreased/zero autospore mother cells percentage) and/or rapid death of all cells. C. variegata was equally or slightly more sensitive to different chemical stress than C. vulgaris. |
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Bibliography: | http://www.biomed.cas.cz/mbu/folia/ H50 F62 2008000082 P10 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0015-5632 1874-9356 |
DOI: | 10.1007/BF02932095 |