Abstract：
:The aim of this study was to assess the effects of sixteen stress conditions on total carotenoid production and the response of antioxidative enzyme superoxide dismutase (SOD) in microalga Dunaliella salina. Of the stress conditions tested, high-light illumination (240 μmol photons m(-2) s(-1)) in combination with nitrogen depletion were the conditions associated with maximum carotenoid production and which induced Fe-SOD and retained the specific Mn-SOD isoform. Removal of the micronutrients manganese (Mn), Zinc (Zn) and Iron (Fe) as well as nitrogen from the medium enhanced carotenoid production on day 5, while the removal of nitrogen and Mn from the growth medium drastically affected carotenoid production at all time-points. The differential response of SODs influences the levels of carotenoid biosynthesis as chronic molecular defence strategies of D. salina.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Saha SK,Moane S,Murray Pdoi
10.1016/j.biortech.2013.08.022subject
Has Abstractpub_date
2013-11-01 00:00:00pages
23-28eissn
0960-8524issn
1873-2976pii
S0960-8524(13)01251-0journal_volume
147pub_type
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journal_title：Bioresource technology
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