UV-B susceptibility and photoprotection of Arctic Daphnia morphotypes
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منابع مشابه
Flavonoids and UV photoprotection in Arabidopsis mutants.
Wild-type Arabidopsis L. leaves exposed to low ultraviolet-B (UVB) conditions contained predominantly kaempferol glycosides, with low levels of quercetin glycosides. The flavonoid level doubled on treatment with UVB and an increase in the ratio of quercetin: kaempferol was observed. These results suggest that flavonols protect Arabidopsis plants from UVB damage, and indicate that the flavonoid ...
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We here examined whether exposure of mice to UV-B affected their susceptibility to the murine malaria parasite Plasmodium chabaudi. When BALB/c mice with depilated skin were irradiated with UV-B and subsequently infected with the parasite, 80 to 100% of the UV-B-irradiated mice died within 12 days of infection with a sublethal dose. In addition, UV-B irradiation of C57BL/10 (B-10) mice, which a...
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*Corresponding authors: Rastogi RP, Post-Graduate Department of Biosciences, UGC-Centre of Advanced Study, Sardar Patel University, Vadtal Road, Satellite Campus, Bakrol, Anand, Gujarat 388 315, India, Tel: +91 02692 229380; Fax: +91 02692 237258; E-mail: [email protected] Madamwar D, Post-Graduate Department of Biosciences, UGC-Centre of Advanced Study, Sardar Patel University, Vadtal...
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1. Global change models predict the greatest impact in climate to occur in the northern polar region. Change in temperature will alter individual metabolism and has the potential to change community structure to an unknown degree. 2. The temperature-dependent energy budget of Arctic Daphnia middendorffiana was investigated by measuring respiration rates, ingestion rates and assimilation rates. ...
متن کاملUV albedo of arctic snow in spring
UV albedo of arctic snow in spring O. Meinander, A. Kontu, K. Lakkala, A. Heikkilä, L. Ylianttila, and M. Toikka Finnish Meteorological Institute, P.O. BOX 503, 00101 Helsinki, Finland Radiation and Nuclear Safety Authority, P.O. Box 14, 00881, Helsinki, Finland Toikka Engineering Ltd., Hannuntie 18, 02360 Espoo, Finland Received: 3 January 2008 – Accepted: 9 January 2008 – Published: 29 Februa...
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ژورنال
عنوان ژورنال: Polar Research
سال: 1999
ISSN: 1751-8369
DOI: 10.3402/polar.v18i2.6594