Enhanced thermal energy dissipation depending on xanthophyll cycle and D1 protein turnover in iron-deficient maize leaves under high irradiance

Title:

Enhanced thermal energy dissipation depending on xanthophyll cycle and D1 protein turnover in iron-deficient maize leaves under high irradiance

Creator:

Jiang, Chuang-Duo, Gao, Hui-Yuan, and Zou, Qi

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:471e9909-8728-42fd-84eb-8b0003fd9523
uuid:471e9909-8728-42fd-84eb-8b0003fd9523
issn:0300-3604
doi:10.1023/A:1013701224847

Subject:

carboxylation efficiency, carotenoids, CO2 concentration, fluorescence kinetics, energy dissipation, net photosynthetic rate, photosystems, and Zea mays

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

Pigment contents of chloroplasts and net photosynthetic rate were dramatically reduced in maize leaves suffering from iron deficiency. However, the reduction in photosynthesis was probably not caused by decreased contents of chlorophylls and carotenoids and by photon absorption; the primary limiting factor for photosynthesis may rather be the decrease of electron transport activity in photosystem 1. Iron-deficient leaves suffered serious acceptor-side photoinhibition, and more than 60 % of absorbed photons were dissipated, while less than 40 % was used in photochemical reaction. Thermal energy dissipation depending on xanthophyll cycle and D1 protein turnover was enhanced when acceptor-side photoinhibition occurred in iron-deficient maize leaves. and Chuang-Dao Jiang, Hui-Yuan Gao, Qi Zou.

Language:

Multiple languages

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

269-274

Source:

Photosynthetica | 2001 Volume:39 | Number:2

Harvested from:

CDK

Metadata only:

false