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@article{407377,
author = {Bačkor, Martin and Váczi, Peter},
article_number = {1},
keywords = {Chlorophyll content; Co-tolerance; Growth; Heavy metals; Phaeophytin},
language = {eng},
issn = {0098-8472},
journal = {Environmental and Experimental Botany},
title = {Copper tolerance in the lichen photobiont Trebouxia erici (Chlorophyta)},
url = {http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T66-451D894-1&_user=835458&_coverDate=07%2F31%2F2002&_alid=55297723&_rdoc=1&_fmt=full&_orig=search&_qd=1&_cdi=5022&_sort=d&_acct=C000045159&_version=1&_urlVersion=0&_userid=835458&md5=3e813d42a6f},
volume = {48},
year = {2002}
}
TY - JOUR
ID - 407377
AU - Bačkor, Martin - Váczi, Peter
PY - 2002
TI - Copper tolerance in the lichen photobiont Trebouxia erici (Chlorophyta)
JF - Environmental and Experimental Botany
VL - 48
IS - 1
SP - 11
EP - 11
PB - Elsevier
SN - 00988472
KW - Chlorophyll content
KW - Co-tolerance
KW - Growth
KW - Heavy metals
KW - Phaeophytin
UR - http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T66-451D894-1&_user=835458&_coverDate=07%2F31%2F2002&_alid=55297723&_rdoc=1&_fmt=full&_orig=search&_qd=1&_cdi=5022&_sort=d&_acct=C000045159&_version=1&_urlVersion=0&_userid=835458&md5=3e813d42a6f
N2 - A copper-tolerant strain of Trebouxia erici was obtained from axenic culture (UTEX 911) by increasing the copper concentration of the medium up to 4 mM. On three different copper-containing media analysis showed significantly higher growth inhibition of the wild strain than of a strain surviving 3 years of copper exposure, strongly supporting the hypothesis that tolerance was developed by selection. Differences between strains were observed in cell dimensions after copper exposure, as well as in the relative number of plasmolysed cells. Copper also altered the chlorophyll content of both strains, causing a significant decrease of chlorophyll a and chlorophyll a +b concentrations, as well as the chlorophyll a...b ratio and level of chlorophyll degradation. However, the effect on wild type was significantly greater. Co-tolerance to zinc, mercury, cadmium and cobalt was not observed.
ER -
BAČKOR, Martin and Peter VÁCZI. Copper tolerance in the lichen photobiont Trebouxia erici (Chlorophyta). \textit{Environmental and Experimental Botany}. Elsevier, 2002, vol.~48, No~1, p.~11-20. ISSN~0098-8472.
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