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CurT/CURT1 proteins are involved in cell and chloroplast division coordination of cyanobacteria and green algae. [PDF]

open access: yesNat Commun
Plant proteins of the CURVATURE THYLAKOID 1 (CURT1) family and their prokaryotic CurT homologues are key determinants of the three-dimensional structure of the thylakoid membrane systems in chloroplasts and cyanobacteria.
Dann M   +11 more
europepmc   +2 more sources

Iron uptake of etioplasts is independent from photosynthesis but applies the reduction-based strategy

open access: yesFrontiers in Plant Science, 2023
IntroductionIron (Fe) is one of themost important cofactors in the photosynthetic apparatus, and its uptake by chloroplasts has also been associated with the operation of the photosynthetic electron transport chain during reduction-based plastidial Fe ...
Máté Sági-Kazár   +10 more
doaj   +1 more source

The Role of Periodic Structures in Light Harvesting

open access: yesPlants, 2021
The features of light propagation in plant leaves depend on the long-period ordering in chloroplasts and the spectral characteristics of pigments. This work demonstrates a method of determining the hidden ordered structure. Transmission spectra have been
Eugene Bukhanov   +3 more
doaj   +1 more source

Iron Supplement-Enhanced Growth and Development of Hydrangea macrophylla In Vitro under Normal and High pH

open access: yesCells, 2021
Hydrangea macrophylla is a popular perennial ornamental shrub commercially grown as potted plants, landscape plants, and cut flowers. In the process of reproduction and production of ornamental plants, the absorption of nutrients directly determines the ...
Jie Xiao, Ge Guo, Byoung Ryong Jeong
doaj   +1 more source

Photosynthetic and Ultrastructural Properties of Eggplant (Solanum melongena) under Salinity Stress

open access: yesHorticulturae, 2021
Salinity is one of the major problems facing crops worldwide. Salinity can severely affect plants in a negative manner. This study aimed to evaluate the impact of NaCl on morpho–physiological, biochemical, structural and ultrastructural properties in ...
Rami Alkhatib, Nour Abdo, Maha Mheidat
doaj   +1 more source

Myelin sheath and cyanobacterial thylakoids as concentric multilamellar structures with similar bioenergetic properties

open access: yesOpen Biology, 2021
There is a surprisingly high morphological similarity between multilamellar concentric thylakoids in cyanobacteria and the myelin sheath that wraps the nerve axons. Thylakoids are multilamellar structures, which express photosystems I and II, cytochromes
Alessandro Maria Morelli   +4 more
doaj   +1 more source

FtsH4 protease controls biogenesis of the PSII complex by dual regulation of high light-inducible proteins

open access: yesPlant Communications, 2023
FtsH proteases are membrane-embedded proteolytic complexes important for protein quality control and regulation of various physiological processes in bacteria, mitochondria, and chloroplasts.
Vendula Krynická   +10 more
doaj   +1 more source

Dehydrins (LTI29, LTI30, COR47) from Arabidopsis thaliana expressed in Escherichia coli protect Thylakoid membrane during freezing [PDF]

open access: yesJournal of the Serbian Chemical Society, 2013
As the name dehydrins implies, these proteins are typically expressed in response to dehydration which can be caused by drought, osmotic stress or freezing temperatures 1. In general, dehydrins occur in plants as multi-gene families.
Bozovic Vladan   +3 more
doaj   +1 more source

Coral Holobionts Possess Distinct Lipid Profiles That May Be Shaped by Symbiodiniaceae Taxonomy

open access: yesMarine Drugs, 2022
Symbiotic relationships are very important for corals. Abiotic stressors cause the acclimatization of cell membranes in symbionts, which possess different membrane acclimatization strategies. Membrane stability is determined by a unique lipid composition
Tatyana V. Sikorskaya   +3 more
doaj   +1 more source

A multifaceted analysis reveals two distinct phases of chloroplast biogenesis during de-etiolation in Arabidopsis

open access: yeseLife, 2021
Light triggers chloroplast differentiation whereby the etioplast transforms into a photosynthesizing chloroplast and the thylakoid rapidly emerges. However, the sequence of events during chloroplast differentiation remains poorly understood. Using Serial
Rosa Pipitone   +9 more
doaj   +1 more source

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