Abstract：
:Microalgae are unicellular photosynthetic organisms considered as potential alternative sources for biomass, biofuels or high value products. However, limited biomass productivity is commonly experienced in their cultivating system despite their high potential. One of the reasons for this limitation is the high thermal dissipation of the light absorbed by the outer layers of the cultures exposed to high light caused by the activation of a photoprotective mechanism called non-photochemical quenching (NPQ). In the model organism for green algae Chlamydomonas reinhardtii, NPQ is triggered by pigment binding proteins called light-harvesting-complexes-stress-related (LHCSRs), which are over-accumulated in high light. It was recently reported that biomass productivity can be increased both in microalgae and higher plants by properly tuning NPQ induction. In this work increased light use efficiency is reported by introducing in C. reinhardtii a LHCSR3 gene under the control of Heat Shock Protein 70/RUBISCO small chain 2 promoter in a npq4 lhcsr1 background, a mutant strain knockout for all LHCSR genes. This complementation strategy leads to a low expression of LHCSR3, causing a strong reduction of NPQ induction but is still capable of protecting from photodamage at high irradiance, resulting in an improved photosynthetic efficiency and higher biomass accumulation.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Perozeni F,Stella GR,Ballottari Mdoi
10.3390/ijms19010155subject
Has Abstractpub_date
2018-01-05 00:00:00issue
1issn
1422-0067pii
ijms19010155journal_volume
19pub_type
杂志文章abstract：:Akirin is a recently discovered nuclear factor that plays an important role in innate immune responses. Beyond its role in innate immune responses, Akirin has recently been shown to play an important role in skeletal myogenesis. In this article, we will briefly review the structure and tissue distribution of Akirin an...
journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
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更新日期：2017-10-11 00:00:00
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journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
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journal_title：International journal of molecular sciences
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