The photosynthetic performance of a cultivated Japanese green alga Caulerpa lentillifera in response to three different stressors, temperature, irradiance, and desiccation

2021 ◽  
Author(s):  
Ryuta Terada ◽  
Moe Takaesu ◽  
Iris Ann Borlongan ◽  
Gregory N. Nishihara
Keyword(s):  
Green Alga ◽  
Photosynthetic Performance ◽  
Caulerpa Lentillifera

Reduced graphene oxide induces cytotoxicity and inhibits photosynthetic performance of the green alga Scenedesmus obliquus

Chemosphere ◽  
2016 ◽  
Vol 164 ◽  
pp. 499-507 ◽  
Author(s):  
Shaoting Du ◽  
Peng Zhang ◽  
Ranran Zhang ◽  
Qi Lu ◽  
Lin Liu ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Green Alga ◽  
Scenedesmus Obliquus ◽  
Photosynthetic Performance ◽  
Reduced Graphene

Effect of temperature, irradiance on the growth of the green alga Caulerpa lentillifera (Bryopsidophyceae, Chlorophyta)

2014 ◽  
Vol 27 (2) ◽  
pp. 879-885 ◽  
Author(s):  
Hui Guo ◽  
Jianting Yao ◽  
Zhongmin Sun ◽  
Delin Duan
Keyword(s):  
Green Alga ◽  
Effect Of Temperature ◽  
Caulerpa Lentillifera

scholarly journals Structure of photosystem I-LHCI-LHCII from the green alga Chlamydomonas reinhardtii in State 2

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Zihui Huang ◽  
Liangliang Shen ◽  
Wenda Wang ◽  
Zhiyuan Mao ◽  
Xiaohan Yi ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Energy Transfer ◽  
Chlamydomonas Reinhardtii ◽  
Green Alga ◽  
Photosystem I ◽  
State Transition ◽  
Higher Plants ◽  
Photosynthetic Performance ◽  
Light Harvesting Complexes ◽  
Cryo Electron Microscopy

AbstractPhotosystem I (PSI) and II (PSII) balance their light energy distribution absorbed by their light-harvesting complexes (LHCs) through state transition to maintain the maximum photosynthetic performance and to avoid photodamage. In state 2, a part of LHCII moves to PSI, forming a PSI-LHCI-LHCII supercomplex. The green alga Chlamydomonas reinhardtii exhibits state transition to a far larger extent than higher plants. Here we report the cryo-electron microscopy structure of a PSI-LHCI-LHCII supercomplex in state 2 from C. reinhardtii at 3.42 Å resolution. The result reveals that the PSI-LHCI-LHCII of C. reinhardtii binds two LHCII trimers in addition to ten LHCI subunits. The PSI core subunits PsaO and PsaH, which were missed or not well-resolved in previous Cr-PSI-LHCI structures, are observed. The present results reveal the organization and assembly of PSI core subunits, LHCI and LHCII, pigment arrangement, and possible pathways of energy transfer from peripheral antennae to the PSI core.

Effect of Iron Limitation on the Ultrastructure of Agmenellum Quadruplicatum

1981 ◽  
Vol 39 ◽  
pp. 410-411
Author(s):  
L. P. Hardie ◽  
D. L. Balkwill ◽  
S. E. Stevens
Keyword(s):  
Growth Medium ◽  
Green Alga ◽  
Natural Habitat ◽  
Iron Limitation ◽  
Natural Environments ◽  
Blue Green Alga ◽  
Marine Cyanobacterium ◽  
Natural Systems ◽  
Thin Sectioning ◽  
Agmenellum Quadruplicatum

Agmenellum quadruplicatum is a unicellular, non-nitrogen-fixing, marine cyanobacterium (blue-green alga). The ultrastructure of this organism, when grown in the laboratory with all necessary nutrients, has been characterized thoroughly. In contrast, little is known of its ultrastructure in the specific nutrient-limiting conditions typical of its natural habitat. Iron is one of the nutrients likely to limit this organism in such natural environments. It is also of great importance metabolically, being required for both photosynthesis and assimilation of nitrate. The purpose of this study was to assess the effects (if any) of iron limitation on the ultrastructure of A. quadruplicatum. It was part of a broader endeavor to elucidate the ultrastructure of cyanobacteria in natural systemsActively growing cells were placed in a growth medium containing 1% of its usual iron. The cultures were then sampled periodically for 10 days and prepared for thin sectioning TEM to assess the effects of iron limitation.

Bioactive polyketides from a marine green alga-derived fungus Aspergillus sp. NTU967

2019 ◽  
Author(s):  
TH Lee ◽  
SW Wang ◽  
YL Chen ◽  
TY Shih
Keyword(s):  
Green Alga ◽  
Aspergillus Sp ◽  
Marine Green Alga
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