Enhancement of photosynthesis in Synechococcus bacillaris by sponge-derived Ageladine A

被引：7

作者：

Bickmeyer, Ulf ^{[1
]}

Thorns, Silke ^{[1
]}

Koch, Florian ^{[1
]}

Mukagatare, Liliane Petety ^{[1
]}

Silalahi, Romaston ^{[1
]}

Sartoris, Franz Josef ^{[1
]}

机构：

[1] Alfred Wegener Inst, Helmholtz Ctr Polar & Marine Res, Dept Biosci, Bremerhaven, Germany

来源：

PLOS ONE | 2019年 / 14卷 / 03期

关键词：

MARINE SPONGES; QUANTUM YIELD; FLUORESCENCE; LIGHT; ELECTRON; CYANOBACTERIA; INHIBITOR; GROWTH; ALGA; FLUX;

D O I：

10.1371/journal.pone.0213771

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

This study is a proof of concept that the sponge derived pyrrole-imidazole alkaloid Ageladine A acts as an additional light harvesting molecule for photosynthesis of symbionts of marine sponges. The absorbance of Ageladine A is in the UV range and fluoresces blue, matching the blue absorbance of chlorophyll a. A joint modeling and experimental approach demonstrates that Ageladine A increases photosynthetic O-2 production of Synechococcus bacillaris WH5701 (CCMP1333), when the cells are exposed to UV light, which is marginally used for photosynthesis. Due to the presence of Ageladine A, production of O-2 increased 2.54 and 3.1-fold, in the experiments and the model, respectively.

引用

页数：15

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