Results 11 to 20 of about 17,591 (292)

Cytokinins beyond plants: synthesis by Mycobacterium tuberculosis [PDF]

open access: yesMicrobial Cell, 2015
Mycobacterium tuberculosis (M. tuberculosis) resides mainly inside macrophages, which produce nitric oxide (NO) to combat microbial infections. Earlier studies revealed that proteasome-associated genes are required for M.
Marie I. Samanovic, K. Heran Darwin
doaj   +2 more sources

Distinct Peculiarities of In Planta Synthesis of Isoprenoid and Aromatic Cytokinins

open access: yesBiomolecules, 2020
The biosynthesis of aromatic cytokinins in planta, unlike isoprenoid cytokinins, is still unknown. To compare the final steps of biosynthesis pathways of aromatic and isoprenoid cytokinins, we synthesized a series of nucleoside derivatives of natural ...
Vladimir E. Oslovsky   +4 more
doaj   +2 more sources

Cytokinins and urea derivatives stimulate seed germination in Lotus corniculatus L. [PDF]

open access: yesArchives of Biological Sciences, 2007
We studied the effects of various cytokinins and urea derivatives on germination of aged seeds of in Lotus corniculatus L. The following substances were applied: N6-isoprenoid cytokinins (isopentenyl adenine and zeatin), adenine sulfate, N6-aromatic ...
Nikolić Radomirka   +4 more
doaj   +3 more sources

Cytokinins [PDF]

open access: yesThe Plant Cell, 2010
Summary Cytokinins promote shoot development, delay leaf senescence, contribute to stress and pathogen responses, and serve as important signals to integrate growth rates throughout the plant.

core   +3 more sources

Plant Growth Regulators Use in the In Vitro Culture of Agave Species [PDF]

open access: yesPlants
Agave species possess substantial cultural, ecological, and economic significance, particularly in Mexico, where they are traditionally utilized for food, fiber, and beverages. Their industrial relevance has expanded to include bioenergy, nutraceuticals,
Estefany Alejandra Sánchez-Mendoza   +6 more
doaj   +2 more sources

Effect of low-temperature stress on the growth of plants of Secale cereale (Poaceae) and endogenous cytokinin content in roots and shoots

open access: yesUkrainian Botanical Journal, 2022
Phytohormones play a key role in the regulation of plant acclimation to low temperature. To elucidate the role of cytokinins in rye plant response to chilling, we studied the dynamics of these hormones in shoots and roots under short-term and prolonged ...
Nina VEDENICHEVA   +2 more
doaj   +1 more source

Interpreting Cytokinin Action as Anterograde Signaling and Beyond

open access: yesFrontiers in Plant Science, 2021
Among the major phytohormones, the cytokinin exhibits unique features for its ability to positively affect the developmental status of plastids. Even early on in its research, cytokinins were known to promote plastid differentiation and to reduce the ...
Yoshihisa Ikeda   +5 more
doaj   +1 more source

Cytokinin biosynthesis in cyanobacteria: Insights for crop improvement

open access: yesFrontiers in Genetics, 2022
Cytokinins, a type of phytohormones that induce division of cytoplasm, have considerable value in agriculture due to their influences on several physiological processes of plants such as morphogenesis, development of chloroplast, seed dormancy, leaf ...
Shashi Uniyal   +4 more
doaj   +1 more source

Cytokinins [PDF]

open access: yesThe Arabidopsis Book, 2014
Cytokinins are N (6) substituted adenine derivatives that affect many aspects of plant growth and development, including cell division, shoot initiation and growth, leaf senescence, apical dominance, sink/source relationships, nutrient uptake, phyllotaxis, and vascular, gametophyte, and embryonic development, as well as the response to biotic and ...
Joseph J, Kieber, G Eric, Schaller
openaire   +2 more sources

Obtaining and Studying the Properties of Chitosan Films Containing Natural Phytohormones Cytokinins

open access: yesAppliedChem, 2023
A promising carrier for the development of polymer systems with controlled release of biologically active compounds is the aminopolysaccharide chitosan.
Anna Y. Kuzmenok   +4 more
doaj   +1 more source

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