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Article: Regulation of Nitrate (NO

Rolly, Nkulu Kabange / Yun, Byung-Wook

2021 Volume 10, Issue 10

Abstract: Nitrogen (N) is an essential macronutrient, which contributes substantially to the growth and development of plants. In the soil, nitrate ( ... ...

Abstract	Nitrogen (N) is an essential macronutrient, which contributes substantially to the growth and development of plants. In the soil, nitrate (NO
Language	English
Publishing date	2021-10-11
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2704341-1
ISSN	2223-7747
ISSN	2223-7747
DOI	10.3390/plants10102149
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: The PGPR

Mun, Bong-Gyu / Hussain, Adil / Park, Yeon-Gyeong / Kang, Sang-Mo / Lee, In-Jung / Yun, Byung-Wook

Frontiers in plant science

2024 Volume 15, Page(s) 1341993

Abstract: Plant growth-promoting rhizobacteria (PGPR) colonize plant roots, establish a mutualistic relationship with the plants and help them grow better. This study reports novel findings on the plant growth-promoting effects of the ... ...

Abstract	Plant growth-promoting rhizobacteria (PGPR) colonize plant roots, establish a mutualistic relationship with the plants and help them grow better. This study reports novel findings on the plant growth-promoting effects of the PGPR
Language	English
Publishing date	2024-02-19
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2613694-6
ISSN	1664-462X
ISSN	1664-462X
DOI	10.3389/fpls.2024.1341993
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Article ; Online: Nitric Oxide Acts as a Key Signaling Molecule in Plant Development under Stressful Conditions.

Khan, Murtaza / Ali, Sajid / Al Azzawi, Tiba Nazar Ibrahim / Yun, Byung-Wook

International journal of molecular sciences

2023 Volume 24, Issue 5

Abstract: Nitric oxide (NO), a colorless gaseous molecule, is a lipophilic free radical that easily diffuses through the plasma membrane. These characteristics make NO an ideal autocrine (i.e., within a single cell) and paracrine (i.e., between adjacent cells) ... ...

Abstract	Nitric oxide (NO), a colorless gaseous molecule, is a lipophilic free radical that easily diffuses through the plasma membrane. These characteristics make NO an ideal autocrine (i.e., within a single cell) and paracrine (i.e., between adjacent cells) signalling molecule. As a chemical messenger, NO plays a crucial role in plant growth, development, and responses to biotic and abiotic stresses. Furthermore, NO interacts with reactive oxygen species, antioxidants, melatonin, and hydrogen sulfide. It regulates gene expression, modulates phytohormones, and contributes to plant growth and defense mechanisms. In plants, NO is mainly produced via redox pathways. However, nitric oxide synthase, a key enzyme in NO production, has been poorly understood recently in both model and crop plants. In this review, we discuss the pivotal role of NO in signalling and chemical interactions as well as its involvement in the mitigation of biotic and abiotic stress conditions. In the current review, we have discussed various aspects of NO including its biosynthesis, interaction with reactive oxygen species (ROS), melatonin (MEL), hydrogen sulfide, enzymes, phytohormones, and its role in normal and stressful conditions.
MeSH term(s)	Nitric Oxide/metabolism ; Melatonin/metabolism ; Hydrogen Sulfide/metabolism ; Reactive Oxygen Species/metabolism ; Plant Growth Regulators/metabolism ; Plants/metabolism ; Plant Development ; Stress, Physiological
Chemical Substances	Nitric Oxide (31C4KY9ESH) ; Melatonin (JL5DK93RCL) ; Hydrogen Sulfide (YY9FVM7NSN) ; Reactive Oxygen Species ; Plant Growth Regulators
Language	English
Publishing date	2023-03-01
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2019364-6
ISSN	1422-0067 ; 1422-0067 ; 1661-6596
ISSN (online)	1422-0067
ISSN	1422-0067 ; 1661-6596
DOI	10.3390/ijms24054782
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Article: Role of Nitric Oxide in Plant Senescence.

Hussain, Adil / Shah, Farooq / Ali, Farman / Yun, Byung-Wook

Frontiers in plant science

2022 Volume 13, Page(s) 851631

Abstract: In plants senescence is the final stage of plant growth and development that ultimately leads to death. Plants experience age-related as well as stress-induced developmental ageing. Senescence involves significant changes at the transcriptional, post- ... ...

Abstract	In plants senescence is the final stage of plant growth and development that ultimately leads to death. Plants experience age-related as well as stress-induced developmental ageing. Senescence involves significant changes at the transcriptional, post-translational and metabolomic levels. Furthermore, phytohormones also play a critical role in the programmed senescence of plants. Nitric oxide (NO) is a gaseous signalling molecule that regulates a plethora of physiological processes in plants. Its role in the control of ageing and senescence has just started to be elucidated. Here, we review the role of NO in the regulation of programmed cell death, seed ageing, fruit ripening and senescence. We also discuss the role of NO in the modulation of phytohormones during senescence and the significance of NO-ROS cross-talk during programmed cell death and senescence.
Language	English
Publishing date	2022-04-05
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2613694-6
ISSN	1664-462X
ISSN	1664-462X
DOI	10.3389/fpls.2022.851631
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Article ; Online: Insights into the Transcriptional Regulation of Branching Hormonal Signaling Pathways Genes under Drought Stress in Arabidopsis.

Rolly, Nkulu Kabange / Mun, Bong-Gyu / Yun, Byung-Wook

Genes

2021 Volume 12, Issue 2

Abstract: A large number of hormonal biosynthetic or signaling pathways genes controlling shoot branching are widely known for their roles in regulating plant growth and development, operating in synergetic or antagonistic manner. However, their involvement in ... ...

Abstract	A large number of hormonal biosynthetic or signaling pathways genes controlling shoot branching are widely known for their roles in regulating plant growth and development, operating in synergetic or antagonistic manner. However, their involvement in abiotic stress response mechanism remains unexplored. Initially, we performed an in silico analysis to identify potential transcription binding sites for the basic leucine zipper 62 transcription factor (bZIP62 TF) in the target branching related genes. The results revealed the presence of
Language	English
Publishing date	2021-02-20
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2527218-4
ISSN	2073-4425 ; 2073-4425
ISSN (online)	2073-4425
ISSN	2073-4425
DOI	10.3390/genes12020298
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Article: Nitric Oxide, a Key Modulator in the Alleviation of Environmental Stress-Mediated Damage in Crop Plants: A Meta-Analysis.

Khan, Murtaza / Al Azzawi, Tiba Nazar Ibrahim / Ali, Sajid / Yun, Byung-Wook / Mun, Bong-Gyu

Plants (Basel, Switzerland)

2023 Volume 12, Issue 11

Abstract: Nitric oxide (NO) is a small, diatomic, gaseous, free radicle, lipophilic, diffusible, and highly reactive molecule with unique properties that make it a crucial signaling molecule with important physiological, biochemical, and molecular implications for ...

Abstract	Nitric oxide (NO) is a small, diatomic, gaseous, free radicle, lipophilic, diffusible, and highly reactive molecule with unique properties that make it a crucial signaling molecule with important physiological, biochemical, and molecular implications for plants under normal and stressful conditions. NO regulates plant growth and developmental processes, such as seed germination, root growth, shoot development, and flowering. It is also a signaling molecule in various plant growth processes, such as cell elongation, differentiation, and proliferation. NO also regulates the expression of genes encoding hormones and signaling molecules associated with plant development. Abiotic stresses induce NO production in plants, which can regulate various biological processes, such as stomatal closure, antioxidant defense, ion homeostasis, and the induction of stress-responsive genes. Moreover, NO can activate plant defense response mechanisms, such as the production of pathogenesis-related proteins, phytohormones, and metabolites against biotic and oxidative stressors. NO can also directly inhibit pathogen growth by damaging their DNA and proteins. Overall, NO exhibits diverse regulatory roles in plant growth, development, and defense responses through complex molecular mechanisms that still require further studies. Understanding NO's role in plant biology is essential for developing strategies for improved plant growth and stress tolerance in agriculture and environmental management.
Language	English
Publishing date	2023-05-26
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2704341-1
ISSN	2223-7747
ISSN	2223-7747
DOI	10.3390/plants12112121
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Article ; Online: S-Nitrosoglutathione (GSNO)-Mediated Lead Detoxification in Soybean through the Regulation of ROS and Metal-Related Transcripts.

Methela, Nusrat Jahan / Islam, Mohammad Shafiqul / Lee, Da-Sol / Yun, Byung-Wook / Mun, Bong-Gyu

International journal of molecular sciences

2023 Volume 24, Issue 12

Abstract: Heavy metal toxicity, including lead (Pb) toxicity, is increasing in soils, and heavy metals are considered to be toxic in small amounts. Pb contamination is mainly caused by industrialization (e.g., smelting and mining), agricultural practices (e.g., ... ...

Abstract	Heavy metal toxicity, including lead (Pb) toxicity, is increasing in soils, and heavy metals are considered to be toxic in small amounts. Pb contamination is mainly caused by industrialization (e.g., smelting and mining), agricultural practices (e.g., sewage sludge and pests), and urban practices (e.g., lead paint). An excessive concentration of Pb can seriously damage and threaten crop growth. Furthermore, Pb adversely affects plant growth and development by affecting the photosystem, cell membrane integrity, and excessive production of reactive oxygen species (ROS) such as hydrogen peroxide (H
MeSH term(s)	Reactive Oxygen Species/metabolism ; S-Nitrosoglutathione/metabolism ; Glycine max/metabolism ; Hydrogen Peroxide/metabolism ; Lead/toxicity ; Lead/metabolism ; Metals, Heavy/metabolism ; Antioxidants/metabolism ; Plants/metabolism ; Nitric Oxide/metabolism ; Heavy Metal Poisoning
Chemical Substances	Reactive Oxygen Species ; S-Nitrosoglutathione (57564-91-7) ; Hydrogen Peroxide (BBX060AN9V) ; Lead (2P299V784P) ; Metals, Heavy ; Antioxidants ; Nitric Oxide (31C4KY9ESH)
Language	English
Publishing date	2023-06-08
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2019364-6
ISSN	1422-0067 ; 1422-0067 ; 1661-6596
ISSN (online)	1422-0067
ISSN	1422-0067 ; 1661-6596
DOI	10.3390/ijms24129901
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Article: Regulation of Nitrate (NO3) Transporters and Glutamate Synthase-Encoding Genes under Drought Stress in Arabidopsis: The Regulatory Role of AtbZIP62 Transcription Factor

Rolly, Nkulu Kabange / Yun, Byung-Wook

Plants. 2021 Oct. 11, v. 10, no. 10

2021

Abstract: Nitrogen (N) is an essential macronutrient, which contributes substantially to the growth and development of plants. In the soil, nitrate (NO₃) is the predominant form of N available to the plant and its acquisition by the plant involves several NO₃ ... ...

Abstract	Nitrogen (N) is an essential macronutrient, which contributes substantially to the growth and development of plants. In the soil, nitrate (NO₃) is the predominant form of N available to the plant and its acquisition by the plant involves several NO₃ transporters; however, the mechanism underlying their involvement in the adaptive response under abiotic stress is poorly understood. Initially, we performed an in silico analysis to identify potential binding sites for the basic leucine zipper 62 transcription factor (AtbZIP62 TF) in the promoter of the target genes, and constructed their protein–protein interaction networks. Rather than AtbZIP62, results revealed the presence of cis-regulatory elements specific to two other bZIP TFs, AtbZIP18 and 69. A recent report showed that AtbZIP62 TF negatively regulated AtbZIP18 and AtbZIP69. Therefore, we investigated the transcriptional regulation of AtNPF6.2/NRT1.4 (low-affinity NO₃ transporter), AtNPF6.3/NRT1.1 (dual-affinity NO₃ transporter), AtNRT2.1 and AtNRT2.2 (high-affinity NO₃ transporters), and AtGLU1 and AtGLU2 (both encoding glutamate synthase) in response to drought stress in Col-0. From the perspective of exploring the transcriptional interplay of the target genes with AtbZIP62 TF, we measured their expression by qPCR in the atbzip62 (lacking the AtbZIP62 gene) under the same conditions. Our recent study revealed that AtbZIP62 TF positively regulates the expression of AtPYD1 (Pyrimidine 1, a key gene of the de novo pyrimidine biosynthesis pathway know to share a common substrate with the N metabolic pathway). For this reason, we included the atpyd1-2 mutant in the study. Our findings revealed that the expression of AtNPF6.2/NRT1.4, AtNPF6.3/NRT1.1 and AtNRT2.2 was similarly regulated in atzbip62 and atpyd1-2 but differentially regulated between the mutant lines and Col-0. Meanwhile, the expression pattern of AtNRT2.1 in atbzip62 was similar to that observed in Col-0 but was suppressed in atpyd1-2. The breakthrough is that AtNRT2.2 had the highest expression level in Col-0, while being suppressed in atbzip62 and atpyd1-2. Furthermore, the transcript accumulation of AtGLU1 and AtGLU2 showed differential regulation patterns between Col-0 and atbzip62, and atpyd1-2. Therefore, results suggest that of all tested NO₃ transporters, AtNRT2.2 is thought to play a preponderant role in contributing to NO₃ transport events under the regulatory influence of AtbZIP62 TF in response to drought stress.
Keywords	Arabidopsis ; biochemical pathways ; biosynthesis ; computer simulation ; genes ; glutamic acid ; growth and development ; leucine zipper ; mutants ; nitrates ; nitrogen ; protein-protein interactions ; soil ; transcription (genetics) ; transcription factors ; water stress
Language	English
Dates of publication	2021-1011
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
ZDB-ID	2704341-1
ISSN	2223-7747
ISSN	2223-7747
DOI	10.3390/plants10102149
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Transcription Factors as the "Blitzkrieg" of Plant Defense: A Pragmatic View of Nitric Oxide's Role in Gene Regulation.

Falak, Noreen / Imran, Qari Muhammad / Hussain, Adil / Yun, Byung-Wook

International journal of molecular sciences

2021 Volume 22, Issue 2

Abstract: Plants are in continuous conflict with the environmental constraints and their sessile nature demands a fine-tuned, well-designed defense mechanism that can cope with a multitude of biotic and abiotic assaults. Therefore, plants have developed innate ... ...

Abstract	Plants are in continuous conflict with the environmental constraints and their sessile nature demands a fine-tuned, well-designed defense mechanism that can cope with a multitude of biotic and abiotic assaults. Therefore, plants have developed innate immunity,
MeSH term(s)	DNA-Directed RNA Polymerases/genetics ; Disease Resistance/genetics ; Gene Expression Regulation, Plant/genetics ; Nitric Oxide/genetics ; Nitric Oxide/metabolism ; Plant Diseases/genetics ; Transcription Factors/genetics ; Transcription, Genetic/genetics
Chemical Substances	Transcription Factors ; Nitric Oxide (31C4KY9ESH) ; DNA-Directed RNA Polymerases (EC 2.7.7.6)
Language	English
Publishing date	2021-01-07
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2019364-6
ISSN	1422-0067 ; 1422-0067 ; 1661-6596
ISSN (online)	1422-0067
ISSN	1422-0067 ; 1661-6596
DOI	10.3390/ijms22020522
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Article: Pathogen-induced Defense Strategies in Plants

Imran, Qari Muhammad / Yun, Byung-Wook

Journal of crop science and biotechnology. 2020 Mar., v. 23, no. 2

2020

Abstract: Plants are the ultimate producers of this ecosystem and effect human life directly and/or indirectly. However, being sessile organisms, plants are susceptible to several adverse environmental conditions and pathogen ingress resulting in huge losses to ... ...

Abstract	Plants are the ultimate producers of this ecosystem and effect human life directly and/or indirectly. However, being sessile organisms, plants are susceptible to several adverse environmental conditions and pathogen ingress resulting in huge losses to yield and productivity. Therefore, plans are continuously evolving complex regulatory networks to respond to these environmental changes. Due to its impact on pre- and post-harvest losses, biotic stress is of great concern to plant scientists. Interpreting the underlying mechanism of plant response to biotic stresses is therefore of great importance. A brief account about these hostile conditions and plants responses towards them is described in this review.
Keywords	biotic stress ; ecosystems ; environmental factors ; pathogens ; plant response ; postharvest losses
Language	English
Dates of publication	2020-03
Size	p. 97-105.
Publishing place	Springer Singapore
Document type	Article
Note	Review
ZDB-ID	2300030-2
ISSN	2005-8276 ; 1975-9479
ISSN (online)	2005-8276
ISSN	1975-9479
DOI	10.1007/s12892-019-0352-0
Database	NAL-Catalogue (AGRICOLA)

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