A novel method produces native light-harvesting complex II aggregates from the photosynthetic membrane revealing their role in nonphotochemical quenching
Nonphotochemical quenching (NPQ) is a mechanism of regulating light harvesting that
protects the photosynthetic apparatus from photodamage by dissipating excess absorbed
excitation energy as heat. In higher plants, the major light-harvesting antenna complex
(LHCII) of photosystem (PS) II is directly involved in NPQ. The aggregation of LHCII is
proposed to be involved in quenching. However, the lack of success in isolating native LHCII
aggregates has limited the direct interrogation of this process. The isolation of LHCII in its …
protects the photosynthetic apparatus from photodamage by dissipating excess absorbed
excitation energy as heat. In higher plants, the major light-harvesting antenna complex
(LHCII) of photosystem (PS) II is directly involved in NPQ. The aggregation of LHCII is
proposed to be involved in quenching. However, the lack of success in isolating native LHCII
aggregates has limited the direct interrogation of this process. The isolation of LHCII in its …
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