کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7068175 | 1459889 | 2018 | 29 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Temporal acclimation of Microchloropsis gaditana CCMP526 in response to hypersalinity
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تکنولوژی و شیمی فرآیندی
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چکیده انگلیسی
Evaporation from culture ponds and raceways can subject algae to hypersalinity stress, and this is exacerbated by global warming. We investigated the effect of salinity on a marine microalga, Microchloropsis gaditana, which is of industrial significance because of its high lipid-accumulating capability. Both short-term (hours) and medium-term (days) effects of salinity were studied across various salinities (37.5, 55, 70 and 100â¯PSU). Salinity above 55â¯PSU suppressed cell growth and specific growth rate was significantly reduced at 100â¯PSU. Photosynthesis (Fv/Fm, rETRmax and Ik) was severely affected at high salinity conditions. Total carbohydrate per cell increasedâ¯â¼1.7-fold after 24â¯h, which is consistent with previous findings that salinity induces osmolyte production to counter osmotic shock. In addition, accumulation of lipid increased byâ¯â¼4.6-fold in response to salinity. Our findings indicate a possible mechanism of acclimation to salinity, opening up new frontiers for osmolytes in pharmacological and cosmetics applications.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 254, April 2018, Pages 23-30
Journal: Bioresource Technology - Volume 254, April 2018, Pages 23-30
نویسندگان
Anbarasu Karthikaichamy, Pranali Deore, Sanjeeva Srivastava, Ross Coppel, Dieter Bulach, John Beardall, Santosh Noronha,