Plastoquinone in and beyond photosynthesis

M Havaux - Trends in Plant Science, 2020 - cell.com
Plastoquinone-9 (PQ-9) is an essential component of photosynthesis that carries electrons
in the linear and alternative electron transport chains, and is also a redox sensor that …

The plastid terminal oxidase: its elusive function points to multiple contributions to plastid physiology

WJ Nawrocki, NJ Tourasse, A Taly… - Annual review of …, 2015 - annualreviews.org
Plastids have retained from their cyanobacterial ancestor a fragment of the respiratory
electron chain comprising an NADPH dehydrogenase and a diiron oxidase, which sustain …

Eleven biosynthetic genes explain the majority of natural variation in carotenoid levels in maize grain

CH Diepenbrock, DC Ilut… - The Plant …, 2021 - academic.oup.com
Vitamin A deficiency remains prevalent in parts of Asia, Latin America, and sub-Saharan
Africa where maize (Zea mays) is a food staple. Extensive natural variation exists for …

Reactive oxygen species and redox regulation in mesophyll and bundle sheath cells of C4 plants

I Turkan, B Uzilday, KJ Dietz… - Journal of …, 2018 - academic.oup.com
Redox regulation, antioxidant defence, and reactive oxygen species (ROS) signalling are
critical in performing and tuning metabolic activities. However, our concepts have mostly …

A point mutation in the photosystem I P700 chlorophyll a apoprotein A1 gene confers variegation in Helianthus annuus L

K Azarin, A Usatov, M Makarenko, N Kozel… - Plant molecular …, 2020 - Springer
Key message Even a point mutation in the psaA gene mediates chlorophyll deficiency. The
role of the plastid signal may perform the redox state of the compounds on the acceptor-side …

Plastid terminal oxidase as a route to improving plant stress tolerance: known knowns and known unknowns

GN Johnson, P Stepien - Plant and Cell Physiology, 2016 - academic.oup.com
A plastid-localized terminal oxidase, PTox, was first described due to its role in chloroplast
development, with plants lacking PTox producing white sectors on their leaves. This …

Accumulation of the components of cyclic electron flow around photosystem I in C4 plants, with respect to the requirements for ATP

N Ishikawa, A Takabayashi, F Sato, T Endo - Photosynthesis research, 2016 - Springer
By concentrating CO 2, C 4 photosynthesis can suppress photorespiration and achieve high
photosynthetic efficiency, especially under conditions of high light, high temperature, and …

Photosynthetic activity of variegated leaves of Coleus × hybridus hort. cultivars characterised by chlorophyll fluorescence techniques

M Borek, R Bączek-Kwinta, M Rapacz - Photosynthetica, 2016 - Springer
Different pigments often occur together and affect photosynthetic characteristics of the
respective leaf portions. In this study, photosynthetic activity in variegated leaves of five …

[PDF][PDF] SNOWY COTYLEDON 2 promotes chloroplast development and has a role in leaf variegation in both Lotus japonicus and Arabidopsis thaliana

N Zagari, O Sandoval-Ibañez, N Sandal, J Su… - Molecular plant, 2017 - cell.com
Plants contain various factors that transiently interact with subunits or intermediates of the
thylakoid multiprotein complexes, promoting their stable association and integration. Hence …

[PDF][PDF] PTOX mediates novel pathways of electron transport in etioplasts of Arabidopsis

S Kambakam, U Bhattacharjee, J Petrich, S Rodermel - Molecular plant, 2016 - cell.com
The immutans (im) variegation mutant of Arabidopsis defines the gene for PTOX (plastid
terminal oxidase), a versatile plastoquinol oxidase in chloroplast membranes. In this report …