1998
DOI: 10.1093/oxfordjournals.pcp.a029306
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Presence of the Photoactive Reaction-Center Chlorophyll of PSI (P700) in Dark-Grown Cells of a Chlorophyll-Deficient Mutant of Chlorella kessleri

Abstract: Compositions of pigments and polypeptides of pale green membranes that had been isolated from dark-grown cells of a chlorophyll-deficient mutant of Chlorella kessleri were investigated. They contained Chi a in a level corresponding to about 1% of that present in the thylakoid membranes isolated from autotrophically grown wild-type cells and a trace amount of chlorophyllide a, but neither Chi b nor carotenoids. The polypeptide profile of the mutant membranes was similar to that of membranes isolated from wild-t… Show more

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Cited by 4 publications
(4 citation statements)
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“…The activity of PSI despite PSII damage can be explained in the light of the report of Pätsikkä et al (1998) where copper was found to inhibit the activity of PSII, but failed to change the ratio of PSI/PSII and induce major changes in the antenna size of the photosystems. Further, the activity of PSI despite chlorophyll inactivation is supported by the work of Ikegami and Kamiya (1998) where chlorophyll deficient mutant of Chlorella kessleri containing about 1% of chl as compared to wild type sustains PSI activity. Interestingly the acclimated strain also fixed carbon to the level of control and showed an enhanced respiration and ATP as compared to the control cells.…”
Section: Discussionmentioning
confidence: 91%
“…The activity of PSI despite PSII damage can be explained in the light of the report of Pätsikkä et al (1998) where copper was found to inhibit the activity of PSII, but failed to change the ratio of PSI/PSII and induce major changes in the antenna size of the photosystems. Further, the activity of PSI despite chlorophyll inactivation is supported by the work of Ikegami and Kamiya (1998) where chlorophyll deficient mutant of Chlorella kessleri containing about 1% of chl as compared to wild type sustains PSI activity. Interestingly the acclimated strain also fixed carbon to the level of control and showed an enhanced respiration and ATP as compared to the control cells.…”
Section: Discussionmentioning
confidence: 91%
“…Actually, light from the near UV to blue wavelength range also has a relatively large correlation to the photosynthetic action spectrum and fundamental chlorophyll a and b absorptions (Figure S4). 42 Therefore, dealing with excess excitation light would be very important in further reducing the photosynthesis effect. We also carried out biocultivation experiments to study the inhibition of blooming impediment in short-day plants.…”
Section: Resultsmentioning
confidence: 99%
“…8a shows the collected wild Chlorella, which is a common green alga that grows via photosynthesis. 35,36 The homogeneously dispersed Chlorella solution was placed under LED illumination in breeding containers that were covered with aluminum foil inside to maintain the illumination spectrum. The cultivation experiments were carried out under two different light illumination intensities at equivalent illuminance (200 lm m À2 that is comparable to typical outdoor light at the ground level) and PPFD (5 mmol m À2 s À1 ) conditions.…”
Section: Wled Properties and Plant Cultivation Testsmentioning
confidence: 99%
“…The peaks at 440 and 675 nm were the typical chlorophyll a and b absorptions. 36,37 The peak at 470 nm was assigned as the absorption of b-carotene. 38 Chlorophylls generally play a main role in photosynthesis.…”
Section: Wled Properties and Plant Cultivation Testsmentioning
confidence: 99%