NDLI: Light acclimation maintains the redox state of the PS II electron acceptor Q$_{2}$ within a narrow range over a broad range of light intensities

Content Provider	Springer Nature Link
Author	Rosenqvist, Eva
Copyright Year	2001
Abstract	Chrysanthemum inducum-hybrid `Coral Charm', Hibiscus rosa-sinensis L. `Cairo Red' and Spathiphyllum wallisii Regel `Petit' were grown in natural light in a greenhouse at three levels of irradiance using permanent shade screens. Light acclimation of photosynthesis was characterized using modulated chlorophyll a fluorescence of intact leaves. A close correlation was found between the degree of reduction of the primary electron acceptor Q$_{A}$ of Photosystem II (PS II) approximated as the fluorescence parameter 1−q$_{P}$, and light acclimation. The action range of 1−q$_{P}$ was 0–0.4 from darkness to full irradiance around noon, within the respective light treatments in the greenhouse, indicating that most PS II reaction centres were kept open. In general, the index for electron transport (ETR) measured by chlorophyll fluorescence was higher for high-light (HL) than intermediate-(IL) and low-light (LL) grown plants. However, HL Chrysanthemum showed 40% higher ETR than HL Hibiscus at light saturation, despite identical redox states of Q$_{A}$. The light acclimation of the non-radiative dissipation of excess energy in the antenna, NPQ, varied considerably between the species. However, when normalized against q$_{P}$, a strong negative correlation was found between thermal dissipation and ETR measured by chlorophyll fluorescence. To be able to accommodate a high flux of electrons through PS II, the plants with the highest light-saturated ETR had the lowest NPQ/q$_{P}$. The possibility of using chlorophyll fluorescence for quantification of the energy balance between energy input and utilization in PS II in intact leaves is discussed.
Starting Page	299
Ending Page	310
Page Count	12
File Format	PDF
ISSN	01668595
Journal	Photosynthesis Research
Volume Number	70
Issue Number	3
e-ISSN	15735079
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2001-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Plant Physiology
Content Type	Text
Resource Type	Article
Subject	Cell Biology Plant Science Medicine Biochemistry

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Dynamics of Fluxes Through Photosynthetic Complexes in Response to Changing Light and Inorganic Carbon Acclimation in Synechococcus elongatus

Photoprotective capacity of non-photochemical quenching in plants acclimated to different light intensities

D1-arginine257 mutants (R257E, K, and Q) of Chlamydomonas reinhardtii have a lowered Q$_{B}$ redox potential: analysis of thermoluminescence and fluorescence measurements

Expression of ELIPs and PS II-S protein in spinach during acclimative reduction of the Photosystem II antenna in response to increased light intensities

Inhibition of photosynthetic oxygen evolution and electron transfer from the quinone acceptor Q$_{A}$ $^{−}$ to Q$_{B}$ by iron deficiency

Acceptor side photoinhibition in PS II: On the possible effects of the functional integrity of the PS II donor side on photoinhibition of stable charge separation

Opinion: The red-light response of stomatal movement is sensed by the redox state of the photosynthetic electron transport chain

Global transcriptome analyses provide evidence that chloroplast redox state contributes to intracellular as well as long-distance signalling in response to stress and acclimation in Arabidopsis

Photoinhibition as a function of the ambient redox potential in Tris-washed PS II membrane fragments

Light acclimation maintains the redox state of the PS II electron acceptor Q$_{2}$ within a narrow range over a broad range of light intensities

Similar Documents

Dynamics of Fluxes Through Photosynthetic Complexes in Response to Changing Light and Inorganic Carbon Acclimation in Synechococcus elongatus

Photoprotective capacity of non-photochemical quenching in plants acclimated to different light intensities

D1-arginine257 mutants (R257E, K, and Q) of Chlamydomonas reinhardtii have a lowered Q$_{B}$ redox potential: analysis of thermoluminescence and fluorescence measurements

Expression of ELIPs and PS II-S protein in spinach during acclimative reduction of the Photosystem II antenna in response to increased light intensities

Inhibition of photosynthetic oxygen evolution and electron transfer from the quinone acceptor Q$_{A}$ $^{−}$ to Q$_{B}$ by iron deficiency

Acceptor side photoinhibition in PS II: On the possible effects of the functional integrity of the PS II donor side on photoinhibition of stable charge separation

Opinion: The red-light response of stomatal movement is sensed by the redox state of the photosynthetic electron transport chain

Global transcriptome analyses provide evidence that chloroplast redox state contributes to intracellular as well as long-distance signalling in response to stress and acclimation in Arabidopsis

Photoinhibition as a function of the ambient redox potential in Tris-washed PS II membrane fragments

Light acclimation maintains the redox state of the PS II electron acceptor Q$_{2}$ within a narrow range over a broad range of light intensities