Hanhong Bae

Yeungnam University

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Tapan Kumar Mohanta

University of Nizwa

Hyoun–Sub Lim

Chungnam National University

Pankaj Kumar Arora

M.J.P. Rohilkhand University

Bosung Choi

Yeungnam University

Bryan A. Bailey

Cocoa Research Institute of Ghana

Ritesh Ghosh

Université Clermont Auvergne

Mi‐Jeong Jeong

Rural Development Administration

Soo-Chul Park

Gimcheon University

Byoung–Kwan Cho

Chungnam National University

Mary D. Strem

Beltsville Agricultural Research Center

Cooperative Institutions

Agricultural Research Service

Chungnam National University

United States Department of Agriculture

Yeungnam University

Rural Development Administration

Beltsville Agricultural Research Center

National Academy of Agricultural Science

Seoul National University

Gyeongsang National University

National Institute of Agricultural Science and Technology

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Expression of thermostable bacterial β-glucosidase (BglB) in transgenic tobacco plants

Bioresource Technology (2010)

Sera Jung Suyeon Kim Hanhong Bae Hyoun–Sub Lim Hyeun‐Jong Bae

Bioconversion

Genetically modified rice

10.1016/j.biortech.2010.03.140

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Citations (46)

Necrosis- and Ethylene-Inducing Peptide from Fusarium oxysporum Induces a Complex Cascade of Transcripts Associated with Signal Transduction and Cell Death in Arabidopsis

PLANT PHYSIOLOGY (2006)

Hanhong Bae Moon S. Kim Richard C. Sicher Hyeun‐Jong Bae Bryan A. Bailey

Treatment of Arabidopsis (Arabidopsis thaliana) with a necrosis- and ethylene-inducing peptide (Nep1) from Fusarium oxysporum inhibited both root and cotyledon growth and triggered cell death, thereby generating necrotic spots. Nep1-like proteins are produced by divergent microbes, many of which are plant pathogens. Nep1 in the plant was localized to the cell wall and cytosol based on immunolocalization results. The ratio of chlorophyll a fluorescence (F685 nm/F730 nm) significantly decreased after 75-min treatment with Nep1 in comparison to the control. This suggested that a short-term compensation of photosynthesis occurred in response to localized damage to cells. The concentrations of most water-soluble metabolites analyzed were reduced in Arabidopsis seedlings after 6 h of Nep1 treatment, indicating that the integrity of cellular membranes had failed. Microarray results showed that short-term treatment with Nep1 altered expression of numerous genes encoding proteins putatively localized to organelles, especially the chloroplast and mitochondria. Short-term treatment with Nep1 induced multiple classes of genes involved in reactive oxygen species production, signal transduction, ethylene biosynthesis, membrane modification, apoptosis, and stress. Quantitative PCR was used to confirm the induction of genes localized in the chloroplast, mitochondria, and plasma membrane, and genes responsive to calcium/calmodulin complexes, ethylene, jasmonate, ethylene biosynthesis, WRKY, and cell death. The majority of Nep1-induced genes has been associated with general stress responses but has not been critically linked to resistance to plant disease. These results are consistent with Nep1 facilitating cell death as a component of diseases caused by necrotrophic plant pathogens.

10.1104/pp.106.076869

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Citations (129)

ROS interplay between plant growth and stress biology: Challenges and future perspectives

Plant Physiology and Biochemistry (2023)

Sajad Ali Anshika Tyagi Hanhong Bae

Crosstalk

Cell Signaling

Calcium Signaling

10.1016/j.plaphy.2023.108032

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Citations (67)

Metabolic profiling of millet (Panicum miliaceum) using gas chromatography-time-of-flight mass spectrometry (GC-TOFMS) for quality assessment.

Plant Omics (2013)

Jae Kwang Kim Soo-Yun Park Yunsoo Yeo Hyun Suk Cho Yeon Bok Kim

Gas-chromatography coupled with time-of-flight mass spectrometry (GC-TOFMS) as used to determine the diversity among primary metabolites and phenolic acids in three varieties of millet (Panicum miliaceum L ) Three cultivars of millet seeds were germinated in a greenhouse, and the seedlings were transferred to the field and allowed them to grow for a period of 4 months A total of 48 metabolites were identified from millet, including 43 primary metabolites and five phenolic acids The metabolite profiles were subjected to principal component analysis (PCA and partial least-squares discriminate analysis (PLS-DA to evaluate the differences among varieties PCA and PLS-DA fully distinguished the three vaneties tested Joongjuk millet as separated from the other varieties based on the high levels of metabolites, and appears to be a good candidate for future breeding programs because of its high phenolic acids levels This GC-TOFMS-based metabolic profiling approach is a viable alternative method for evaluating food quality.

Panicum miliaceum

Primary metabolite

Metabolite profiling

Panicum

Source

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Citations (15)

In silico analysis of koranimine, a cyclic imine compound from Peribacillus frigoritolerans reveals potential nematicidal activity

Scientific Reports (2022)

Jake Adolf V. Montecillo Hanhong Bae

Abstract Pine wilt disease (PWD) is a destructive vector-borne forest disease caused by the nematode Bursaphelenchus xylophilus . To date, several options are available for the management of pine wilt disease; however constant development and search for natural products with potential nematicidal activity are imperative to diversify management options and to cope with the possible future emergence of resistance in parasitic nematodes. Here, a combined metabolomics and genomics approach was employed to investigate the chemical repertoire and biosynthetic potential of the bacterial endophyte Peribacillus frigoritolerans BE93, previously characterized to exhibit nematicidal activity against B. xylophilus. Feature-based molecular networking revealed the presence of diverse secondary metabolites. A cyclic imine heptapeptide, koranimine, was found to be among the most abundant secondary metabolites produced. Genome mining displayed the presence of several putative biosynthetic gene clusters (BGCs), including a dedicated non-ribosomal peptide synthase (NRPS) BGC for koranimine. Given the non-ribosomal peptide nature of koranimine, in silico molecular docking analysis was conducted to investigate its potential nematicidal activity against the target receptor ivermectin-sensitive invertebrate α glutamate-gated chloride channel (GluCl). Results revealed the binding of koranimine at the allosteric site of the channel—the ivermectin binding site. Moreover, the ligand-receptor interactions observed were mostly shared between koranimine and ivermectin when bound to the α GluCl receptor thus, suggesting a possibly shared mechanism of potential nematicidal activity. This study highlights the efficiency of combined metabolomics and genomics approach in the identification of candidate compounds.

Xylophilus

DHPS

10.1038/s41598-022-20461-8

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Citations (13)

Functional genomics and signaling events in mycorrhizal symbiosis

Journal of Plant Interactions (2015)

Tapan Kumar Mohanta Hanhong Bae

The symbiotic association between plant and arbuscular mycorrhizal fungi is an evolutionary conserved association that resulted from co-evolutionary events where both partners benefit from each other. Different plant genes, hormones, and miRNAs regulate this symbiotic association at different levels. Of those, the most important signaling molecules that play critical roles in symbiotic association are plant-derived strigolactones and fungal-derived lipochito-oligosaccharides. These molecules regulate the symbiotic association at the initial stage of symbiosis. Subsequent signaling events of these two molecules activate downstream signaling cascades to develop a proper symbiotic relationship between plants and fungi.

Strigolactone

Arbuscular mycorrhizal fungi

Functional Genomics

10.1080/17429145.2015.1005180

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Citations (34)

Insights into Alternanthera mosaic virus TGB3 Functions: Interactions with Nicotiana benthamiana PsbO Correlate with Chloroplast Vesiculation and Veinal Necrosis Caused by TGB3 Over-Expression

Frontiers in Plant Science (2013)

Chanyong Jang Eun–Young Seo Jiryun Nam Hanhong Bae Yeong Guk Gim

Alternanthera mosaic virus (AltMV) triple gene block 3 (TGB3) protein is involved in viral movement. AltMV TGB3 subcellular localization was previously shown to be distinct from that of Potato virus X (PVX) TGB3, and a chloroplast binding domain identified; veinal necrosis and chloroplast vesiculation were observed in Nicotiana benthamiana when AltMV TGB3 was over-expressed from PVX. Plants with over-expressed TGB3 showed more lethal damage under dark conditions than under light. Yeast-two-hybrid analysis and bimolecular fluorescence complementation (BiFC) reveal that A. thaliana PsbO1 has strong interactions with TGB3; N. benthamiana PsbO (NbPsbO) also showed obvious interaction signals with TGB3 through BiFC. These results demonstrate an important role for TGB3 in virus cell-to-cell movement and virus-host plant interactions. The Photosystem II oxygen-evolving complex protein PsbO interaction with TGB3 is presumed to have a crucial role in symptom development and lethal damage under dark conditions. In order to further examine interactions between AtPsbO1, NbPsbO and TGB3, and to identify the binding domain(s) in TGB3 protein, BiFC assays were performed between AtPsbO1 or NbPsbO and various mutants of TGB3. Interactions with C-terminally deleted TGB3 were significantly weaker than those with wild-type TGB3, and both N-terminally deleted TGB3 and a TGB3 mutant previously shown to lose chloroplast interactions failed to interact detectably with PsbO in BiFC. To gain additional information about TGB3 interactions in AltMV-susceptible plants, we cloned 12 natural AltMV TGB3 sequence variants into a PVX expression vector to examine differences in symptom development in N. benthamiana. Symptom differences were observed on PVX over-expression, with all AltMV TGB3 variants showing more severe symptoms than the WT PVX control, but without obvious correlation to sequence differences.

Potato virus X

Bimolecular fluorescence complementation

Potexvirus

10.3389/fpls.2013.00005

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Citations (46)

Antibiosis, mycoparasitism, and colonization success for endophytic Trichoderma isolates with biological control potential in Theobroma cacao

Biological Control (2008)

Bryan A. Bailey Hanhong Bae Mary D. Strem Jayne Crozier Sarah Ε. Thomas

Theobroma

Trichoderma

Endophyte

Trichoderma harzianum

Colletotrichum

Antibiosis

Phytophthora palmivora

10.1016/j.biocontrol.2008.01.003

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Citations (209)

Multiple Reaction Monitoring Mode Based Liquid Chromatography-Mass Spectrometry Method for Simultaneous Quantification of Brassinolide and Other Plant Hormones Involved in Abiotic Stresses

International Journal of Analytical Chemistry (2016)

Deepak M. Kasote Ritesh Ghosh Jun Young Chung Jonggeun Kim Inhwan Bae

Plant hormones are the key regulators of adaptive stress response. Abiotic stresses such as drought and salt are known to affect the growth and productivity of plants. It is well known that the levels of plant hormones such as zeatin (ZA), abscisic acid (ABA), salicylic acid (SA), jasmonic acid (JA), and brassinolide (BR) fluctuate upon abiotic stress exposure. At present, there is not any single suitable liquid chromatography-mass spectrometry (LC-MS) method for simultaneous analysis of BR and other plant hormones involved in abiotic stresses. In the present study, we developed a simple, sensitive, and rapid method for simultaneous analysis of five major plant hormones, ZA, ABA, JA, SA, and BR, which are directly or indirectly involved in drought and salt stresses. The optimized extraction procedure was simple and easy to use for simultaneous measurement of these plant hormones in Arabidopsis thaliana . The developed method is highly reproducible and can be adapted for simultaneous measurement of changes in plant hormones (ZA, ABA, JA, SA, and BR) in response to abiotic stresses in plants like A. thaliana and tomato.

Brassinolide

Jasmonic acid

Plant hormone

Zeatin

10.1155/2016/7214087

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Citations (16)

Comparative proteomic analysis of plant responses to sound waves in Arabidopsis

Journal of Plant Biotechnology (2012)

Young Sang Kwon Mi‐Jeong Jeong Jaeyul Cha Sung Woo Jeong Soo-Chul Park

Environmental factors greatly influence the growth, development, and even genetic characteristics of plants. The mechanisms by which sound influences plant growth, however, remain obscure. Previously, our group reported that several genes were differentially regulated by specific frequenciesof sound treatmentusing a sound-treated subtractive library. In this study, we used a proteomic approach to investigate plant responses to sound waves in Arabidopsis. The plants were exposed to 250-Hz or 500-Hz sound waves, and total proteins were extracted from leaves 8 h and 24 h after treatment. Proteins extracted from leaves were subjected to 2-DE analysis. Thirty-eight spots were found to be differentially regulated in response to sound waves and were identified using MALDI-TOF MS and MALDI-TOF/TOF MS. The functions of the identified proteins were classified into photosynthesis, stress and defense, nitrogen metabolism, and carbohydrate metabolism. To the best of our knowledge, this is the first report on the analysis of protein changes in response to sound waves in Arabidopsis leaves. These findings provide a better understanding of the molecular basis of responses to sound waves in Arabidopsis.

Sound wave

10.5010/jpb.2012.39.4.261

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Citations (15)