AcdR protein is an activator of transcription of 1-aminocyclopropane-1-carboxylate deaminase in Methylobacterium radiotolerans JCM 2831

Ekimova, Galina A.; Федоров, Д. Н.; Доронина, Н. В.; Khmelenina, V. N.; Mustakhimov, Ildar I.

doi:10.1007/s10482-022-01764-2

Cited by 5 publications

(5 citation statements)

References 46 publications

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“…For example, Nascimento et al (2014) reported the presence of this gene in a diverse group of bacteria, including Actinobacteria, Deinococcus, α-Proteobacteria, β-Proteobacteria, γ-Proteobacteria, and Firmicutes. The Lrp-like regulatory proteins, such as AcdR, regulate the expression of acdS genes in proteobacteria (Ekimova et al, 2022). This gene is also found in the fungus Trichoderma asperellum, which showed plant growth promotion characteristics and biocontrol of phytopathogenic microorganisms (Rauf et al, 2021).…”

Section: Acc Deaminase-producing Bacteriamentioning

confidence: 99%

Sustainable agriculture through rhizosphere bacteria for plant growth promotion, nutrient acquisition, and stress alleviation

Hussain,

Fatima,

Nawaz

et al. 2024

Int. J. Appl. Exp. Biol.

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Rhizosphere bacteria are attracting a lot of interest in sustainable agriculture because of their capacity to stimulate plant growth, improve nutrient uptake, and reduce stress in plants. A review of recent discoveries in the field of using rhizosphere bacteria for these advantageous agricultural techniques is given in this article. Rhizosphere bacteria facilitate plant growth by solubilizing inaccessible elements like phosphorus, potassium, zinc, and manganese by producing a variety of enzymes and organic acids. Furthermore, these bacteria support plant nutrition by fixing atmospheric nitrogen, a necessary component for plant growth and development. Moreover, some rhizosphere bacterial strains can inhibit plant diseases, which lessen the need for artificial chemical pesticides. Rhizosphere bacteria have improved plant stress tolerance by producing stress-related substances, including phytohormones and osmoprotectants. These bacteria also give rise to systemic resistance in plants, successfully allowing them to survive various biotic and abiotic challenges. Concerning climate change and environmental variations, this rhizosphere bacteria-mediated stress reduction component holds a tremendous potential for sustainable agriculture. But for rhizosphere bacteria-based agricultural techniques to be successfully utilized, a thorough grasp of their variety, ecological relationships, and mode of action are necessary. Optimizing application techniques, formulating bioinoculants, and considering environmental aspects are crucial for consistent and dependable outcomes through rhizosphere bacteria.

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Section: Acc Deaminase-producing Bacteriamentioning

confidence: 99%

Sustainable agriculture through rhizosphere bacteria for plant growth promotion, nutrient acquisition, and stress alleviation

Hussain,

Fatima,

Nawaz

et al. 2024

Int. J. Appl. Exp. Biol.

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“…165 Treatment of tomato and red pepper plants with Methylobacterium reduced the ethylene emission compared to control plants under greenhouse conditions also. 166 167 The transcriptional regulatory protein encoded by an open reading frame activates the acdS gene expression when ACC or 2-aminoisobutyrate is present as an inducer. It can regulate the transcription initiation process even in the absence of inducer molecule, when present excessively.…”

Section: Modulation Of Ethylene Levels In Plantsmentioning

confidence: 99%

Pink Pigmented Facultative Methylotrophs (PPFMs): Potential Bioinoculants for Sustainable Crop Production

Nysanth¹,

Rajan²,

Sivapriya³

et al. 2023

J. Pure Appl. Microbiol.

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Bacteria belonging to the genus Methylobacterium, popularly known as pink pigmented facultative methylotrophic (PPFM) bacteria, are well known for their distinct ability to use single-carbon compounds like methanol, formate and formaldehyde, and also a variety of multi-carbon substrates lacking carbon-carbon bonds. These bacterial groups are ubiquitously distributed, especially in phyllosphere and rhizosphere, and their occurrence have been reported in more than 100 species of plants so far. PPFMs have profound influence on soil fertility, crop growth and yield. The ability for phosphate acquisition, nitrogen fixation, iron chelation and phytohormone production indicate the possibility of developing them as promising biofertilizer candidates. In addition, many of them possess biocontrol activity against several phytopathogens. PPFMs induce several physiological changes in plants, making the plants more resistant to biotic and abiotic stress. They can therefore be promising alternatives to conventional chemical inputs in sustainable agricultural systems.

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“…ACC deaminase has been found in a variety of rhizobia before. 86 According to reports, 26,27,76 Arthrobacter protophormiae contains ACC deaminase and is linked to other advantageous microorganisms that promote rhizobium nodulation and mycorrhizal infection, resulting in the induction of salt stress tolerance in Pisum sativum plants. The enzyme was previously only known to exist in free-living bacteria, yeast, and fungi.…”

Section: In the Production Of 1-aminocyclopropane-1carboxylate Deaminasementioning

confidence: 99%

Rhizosphere Microorganisms with Different Strategies and Mechanisms to Enhance Plant Growth in the Occurrence of Different Environmental Stress Factors

Albureikan

2023

J. Pure Appl. Microbiol.

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Every minute, the world’s population grows, and in order to feed them, crop output and agricultural productivity must be improved by adding crucial microorganisms that boost plant yields in various ways through nitrogen fixation, the secretion of both plant growth regulators and 1-aminocyclopropane 1-carboxylate deaminase, as well as some antimicrobial agents. Numerous endophytic bacteria have recently been used to increase plant yields, and agricultural production in addition to reducing salt stresses. Many scientists have made an effort to clarify and comprehend the processes by which bacteria promote plant growth and production. A vital substance known as 1-aminocyclopropane-1-carboxylate (ACC) deaminase is produced by several bacteria, plants, and fungi to decrease ethylene levels in a plant grown under different environmental stress. The gaseous hormone ethylene (C2H4) is synthesized in plant tissues from the precursor ACC, and it has numerous biochemical roles in plants, such as cells differentiation and tissue development, seedling, root hair, leaf, and flower growth and development in addition to fruit ripening and formation of anthocyanin and volatile compounds. Thus, this critical enzyme had influential roles in plants during their positive interaction with bacteria which increase plant growth due to auxin production and protect plants against different environmental stress like drought, high salts, wilting, high level of heavy metals, contaminants with pesticides, and microbial pathogen infections. Different bacterial genera are highly ACC deaminase-producer, and these bacteria support plant growth and agricultural process. In conclusion, bacteria can replace chemicals in a variety of environmentally benign methods to boost soil fertility and plant productivity. However, much research is required to determine the efficacy of these bacteria before suggesting their use on a broad scale in the field.

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AcdR protein is an activator of transcription of 1-aminocyclopropane-1-carboxylate deaminase in Methylobacterium radiotolerans JCM 2831

Cited by 5 publications

References 46 publications

Sustainable agriculture through rhizosphere bacteria for plant growth promotion, nutrient acquisition, and stress alleviation

Sustainable agriculture through rhizosphere bacteria for plant growth promotion, nutrient acquisition, and stress alleviation

Pink Pigmented Facultative Methylotrophs (PPFMs): Potential Bioinoculants for Sustainable Crop Production

Rhizosphere Microorganisms with Different Strategies and Mechanisms to Enhance Plant Growth in the Occurrence of Different Environmental Stress Factors

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