TY - JOUR
T1 - Pentachlorophenol induced physiological-biochemical changes in Chlorella pyrenoidosa culture
AU - Hong, Huachang
AU - Zhou, Haiyan
AU - Lan, Chongyu
AU - Liang, Yan
N1 - This study was financially supported by Scientific Research Foundation for Doctor of Zhejiang Normal University (No. ZC304009166) and Youth Foundation of Zhejiang Normal University (No. KYJ06Y09119) for which the authors are grateful.
Publisher copyright:
© 2010 Elsevier Ltd. All rights reserved.
PY - 2010/11
Y1 - 2010/11
N2 - Present study investigated physiological and biochemical changes in a green alga culture (Chlorella pyrenoidosa) upon exposure to varied concentrations of pentachlorophenol (PCP) (0, 0.4mgL-1, 2.5mgL-1 and 10mgL-1). The results revealed that with the increase of PCP concentration, a decrease of the algal biomass, levels of photosynthetic pigments (chlorophyll a, b and carotenoid), soluble protein and an increase of nitrate reductase (NR) activity were observed. This suggests that the PCP may serve as an uncoupler, causing low ATP level within the algal cells and led most of the NR molecules to be in the dephosphoration state (i.e. active from). Moreover, it shows that photosynthetic pigments especially carotenoid were more sensitive indicators to indicate PCP toxicity as compared to the other parameters.
AB - Present study investigated physiological and biochemical changes in a green alga culture (Chlorella pyrenoidosa) upon exposure to varied concentrations of pentachlorophenol (PCP) (0, 0.4mgL-1, 2.5mgL-1 and 10mgL-1). The results revealed that with the increase of PCP concentration, a decrease of the algal biomass, levels of photosynthetic pigments (chlorophyll a, b and carotenoid), soluble protein and an increase of nitrate reductase (NR) activity were observed. This suggests that the PCP may serve as an uncoupler, causing low ATP level within the algal cells and led most of the NR molecules to be in the dephosphoration state (i.e. active from). Moreover, it shows that photosynthetic pigments especially carotenoid were more sensitive indicators to indicate PCP toxicity as compared to the other parameters.
KW - Chlorella pyrenoidosa
KW - Nitrate reductase (NR)
KW - Pentachlorophenol (PCP)
KW - Photosynthetic pigments
KW - Soluble protein
UR - http://www.scopus.com/inward/record.url?scp=78149285659&partnerID=8YFLogxK
U2 - 10.1016/j.chemosphere.2010.09.044
DO - 10.1016/j.chemosphere.2010.09.044
M3 - Journal article
C2 - 20943253
AN - SCOPUS:78149285659
SN - 0045-6535
VL - 81
SP - 1184
EP - 1188
JO - Chemosphere
JF - Chemosphere
IS - 10
ER -
