Results 1 to 10 of about 808 (50)

Overexpression of PSY1 increases fruit skin and flesh carotenoid content and reveals associated transcription factors in apple (Malus × domestica)

open access: yesFrontiers in Plant Science, 2022
Knowledge of the transcriptional regulation of the carotenoid metabolic pathway is still emerging and here, we have misexpressed a key biosynthetic gene in apple to highlight potential transcriptional regulators of this pathway. We overexpressed phytoene
Charles Ampomah-Dwamena   +10 more
doaj   +1 more source

Eco-Evolutionary Perspectives on Mixoplankton

open access: yesFrontiers in Marine Science, 2021
Mixotrophy, i.e., the capability of both phototrophy and phagotrophy within a single organism, is a prominent trophic mode in aquatic ecosystems. Mixotrophic strategies can be highly advantageous when feeding or photosynthesis alone does not sustain ...
Joost Samir Mansour   +2 more
doaj   +1 more source

Eukaryotes arose after genetic recombination [PDF]

open access: yesArchive of Oncology, 2006
Division of ancestral prokaryotic pragenome into two circular double-stranded DNA molecules by genetic recombination, is a base for future separate evolution of nuclear and mitochondrial gene compartment.
Stupar Milanko R.
doaj   +1 more source

Rice carotenoid biofortification and yield improvement conferred by endosperm-specific overexpression of OsGLK1

open access: yesFrontiers in Plant Science, 2022
Carotenoids, indispensable isoprenoid phytonutrients, are synthesized in plastids and are known to be deficient in rice endosperm. Many studies, involving transgenic manipulations of carotenoid biosynthetic genes, have been performed to obtain carotenoid-
Zhenjun Li   +13 more
doaj   +1 more source

A Core Module of Nuclear Genes Regulated by Biogenic Retrograde Signals from Plastids

open access: yesPlants, 2021
Chloroplast biogenesis during seedling development of angiosperms is a rapid and highly dynamic process that parallels the light-dependent photomorphogenic programme.
Björn Grübler   +2 more
doaj   +1 more source

Structural regulation and dynamic behaviour of organelles during plant meiosis

open access: yesFrontiers in Cell and Developmental Biology, 2022
Eukaryotes use various mechanisms to maintain cell division stability during sporogenesis, and in particular during meiosis to achieve production of haploid spores.
Aybars Koç, Nico De Storme
doaj   +1 more source

“Omics” insights into plastid behavior toward improved carotenoid accumulation

open access: yesFrontiers in Plant Science, 2022
Plastids are a group of diverse organelles with conserved carotenoids synthesizing and sequestering functions in plants. They optimize the carotenoid composition and content in response to developmental transitions and environmental stimuli.
Yuanyuan Li   +8 more
doaj   +1 more source

Plant dehydrins and dehydrin-like proteins: characterization and participation in abiotic stress response

open access: yesFrontiers in Plant Science, 2023
Abiotic stress has a significant impact on plant growth and development. It causes changes in the subcellular organelles, which, due to their stress sensitivity, can be affected.
Zofia Szlachtowska, Michał Rurek
doaj   +1 more source

Phylogenetic Reconstruction of the Rainforest Lineage Fontainea Heckel (Euphorbiaceae) Based on Chloroplast DNA Sequences and Reduced-Representation SNP Markers

open access: yesDiversity, 2022
Fontainea is a plant genus with nine recognised species that occur across the tropical and subtropical rainforests of Australia, Papua New Guinea, New Caledonia, and Vanuatu.
Aaron J. Brunton   +8 more
doaj   +1 more source

Organellar DNA Polymerases in Complex Plastid-Bearing Algae

open access: yesBiomolecules, 2019
DNA replication in plastids and mitochondria is generally regulated by nucleus-encoded proteins. In plants and red algae, a nucleus-encoded enzyme called POP (plant and protist organellar DNA polymerase) is involved in DNA replication in both organelles ...
Yoshihisa Hirakawa, Arisa Watanabe
doaj   +1 more source

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