Search results for: Sang-Gyu Seo

Items from 1 to 13 out of 13 results

article

Ectopic expression of ibPDS gene enhanced tolerance to oxidative stress in transgenic tobacco plants

Sang-Gyu Seo, Hae-Rim Jang, Ji-Min Shin, Byung Ki Jun, more

Plant Growth Regulation > 2015 > 77 > 2 > 245-253

The phytoene desaturase (PDS) gene, which is associated with carotenoid biosynthesis, was isolated from sweet potato (Ipomoea batatas L.). The open reading frame of IbPDS gene is comprised of 1719-base pairs and encodes a polypeptide of 573 amino acid residues. The deduced IbPDS protein sequence was homologous with that of other PDS proteins of various plant species. Also, the IbPDS gene appears to...

article

Gene expression profile affected by volatiles of new plant growth promoting rhizobacteria, Bacillus subtilis strain JS, in tobacco

Ji-Seong Kim, Jeongeun Lee, Sang-Gyu Seo, Chanhui Lee, more

Genes & Genomics > 2015 > 37 > 4 > 387-397

Specific bacterial strains that promote plant growth have been investigated extensively and are characterized as plant growth-promoting rhizobacteria (PGPR). To identify the series of genes involved in PGPR-mediated enhanced plant growth, suppression subtractive hybridization was performed using cDNA from tobacco plants exposed to the PGPR strain, Bacillus subtilis strain JS. After hybridization,...

article

Overexpression of ADP-glucose pyrophosphorylase (IbAGPaseS) affects expression of carbohydrate regulated genes in sweet potato [Ipomoea batatas (L.) Lam. cv. Yulmi]

Sang-Gyu Seo, Su-Hyeon Bea, Byung-Ki Jun, Sun-Tae Kim, more

Genes & Genomics > 2015 > 37 > 7 > 595-605

ADP-glucose pyrophosphorylase is crucial in starch metabolism. The open reading frame of IbAGPaseS gene is comprised of 1539-base pairs and encodes a polypeptide of 512 amino acid residues. The deduced IbAGPaseS protein sequence was homologous with that of other AGPase proteins of various plant species. Also, the IbAGPaseS gene appears to be a member of multiple gene families and further, the differences...

article

Ectopic expression of NtEF1 and NtEF2 promotes flowering and alters floral organ identity in Nicotiana tabacum

Ji Min Shin, Sang-Gyu Seo, Ji-Seong Kim, Haerim Jang, more

Plant Biotechnology Reports > 2015 > 9 > 1 > 11-26

A previous study revealed that IbEF1 from sweet potato promoted early flowering in transgenic tobacco and acted as a novel regulator involved in flowering time control. Two putative ortholog genes were found in N. tabacum: NtEF1 and NtEF2. Subcellular localization of NtEF1 and NtEF2 with an in vivo targeting approach revealed that NtEF1 and NtEF2 were correctly targeted to the cytosol in protoplasts...

article

Development of SCAR marker for simultaneous identification of Miscanthus sacchariflorus, M. sinensis and M. x giganteus

Jung Kon Kim, Gi Hong An, Seung-Hyun Ahn, Youn-Ho Moon, more

Bioprocess and Biosystems Engineering > 2012 > 35 > 1-2 > 55-59

The sequence-characterized amplified region (SCAR) marker for simultaneous identification of Miscanthus sacchariflorus, Miscanthus sinensis, and Miscanthus x giganteus was developed. In this study, it was attempted for the first time to develop the SCAR marker for detecting the molecular phenotypes among Miscanthus species. Randomly amplified polymorphic DNA technique was applied for this study and...

article

An IbEF1 from sweet potato promotes flowering in transgenic tobacco

Ji-Seong Kim, Sang-Gyu Seo, Byung-Ki Jun, Youngwoo Lee, more

Genes & Genomics > 2011 > 33 > 4 > 335-341

A novel gene, denoted IbEF1isolated from sweet potato corresponded to the most abundant mRNA present in root tissue under salt stress. However, the encoded protein did not accumulate in the shoots. Transgenic tobacco plants were generated to elucidate the physiological function of IbEF1. The extent of early flowering of these plants correlated well with the level of IbEF1 expression, implicating IbEF1...

article

Molecular cloning and expression analysis of Bro-GS-elong and Bro-myro from Brassica oleracea

Byung-Ki Jun, Sang-Gyu Seo, Ji-Seong Kim, Youngwoo Lee, more

Genes & Genomics > 2011 > 33 > 3 > 299-305

The elongation factor GSL-Elong and myrosinase, which are essential for sulforaphane biosynthesis, were cloned for the first time from broccoli (Brassica oleracea var. italica) and were designated as Bro-GS-elong and Bro-myro. Sequence analysis of Bro-GS-elong and Bro-myro revealed that its full length cDNA was 1787 bp long and included a 1464 bp open reading frame encoding and 1846 bp long and included...

article

Alteration of floral organ identity by over-expression of IbMADS3-1 in tobacco

Mi-Rae Shin, Sang-Gyu Seo, Ji-Seoung Kim, Seo-Bum Joen, more

Transgenic Research > 2011 > 20 > 2 > 365-376

The MADS-box genes have been studied mainly in flower development by researching flower homeotic mutants. Most of the MADS-box genes isolated from plants are expressed exclusively in floral tissues, and some of their transcripts have been found in various vegetative tissues. The genes in the STMADS subfamily are important in the development of whole plants including roots, stems, leaves, and the plant...

article

Cadmium resistance in tobacco plants expressing the MuSI gene

Young-Nam Kim, Ji-Seoung Kim, Sang-Gyu Seo, Youngwoo Lee, more

Plant Biotechnology Reports > 2011 > 5 > 4 > 323-329

MuSI, a gene that corresponds to a domain that contains the rubber elongation factor (REF), is highly homologous to many stress-related proteins in plants. Since MuSI is up-regulated in the roots of plants treated with cadmium or copper, the involvement of MuSI in cadmium tolerance was investigated in this study. Escherichia coli cells overexpressing MuSI were more resistant to Cd than wild-type...

article

Characterization and expression pattern of IbPRP1 and IbPRP2 stress-related genes from sweetpotato

Sang-Gyu Seo, Seo Bum Jeon, Ji-Seoung Kim, Ji-Min Shin, more

Genes & Genomics > 2010 > 32 > 5 > 487-497

Two putative stress-related genes were isolated from sweet-potato and were designated as IbPRP1 and IbPRP2 (Ipomoea batatas proline-rich proteins 1 and 2). The deduced amino acid aligment of IbPRP1 and IbPRP2 shows that these two genes belong to the AAI_LTSS superfamily. Proteins in this family are known to play primary roles including defending plants from pathogens and insects, lipid transport between...

article

Cloning and characterization of the new multiple stress responsible gene I (MuSI) from sweet potato

Sang-Gyu Seo, Ji-Seoung Kim, Yu-Sun Yang, Byung-Ki Jun, more

Genes & Genomics > 2010 > 32 > 6 > 544-552

New multiple-stress related gene isolated from sweet potato and designated it as MusI (multiple stress responsible gene I). Sequence analysis revealed that its full length cDNA was 998 bp long and included a 717 bp open reading frame encoding for 238 amino acids. Comparison of its cDNA and genomic DNA sequence showed that 3 exons were divided by 2 introns in its ORF region. Its deduced amino acid...

article

Effects of various chemical agents and early ethylene production on floral senescence of Hibiscus syriacus L.

Sang-Gyu Seo, Seung-Won Kang, Ie-Sung Shim, Wook Kim, more

Plant Growth Regulation > 2009 > 57 > 3 > 251-258

To understand the factors that induce floral senescence in Hibiscus syriacus L., we have investigated the effects of various chemical agents on flower senescence at two different flowering stages, before and after full bloom, as well as the relationship between flower longevity and endogenous ethylene production before full bloom. Treatments with ethylene, 1-aminocyclopropane-1-carboxylic acid (ACC),...

article

Touch-induced gene (IbTCH1) from sweet potato [Ipomoea batatas (L.) Lam.]: molecular cloning and functional analysis

Sang-Gyu Seo, Ji-Seong Kim, Seung-Won Kang, Mi-Rae Shin, more

Plant Biotechnology Reports > 2008 > 2 > 4 > 253-258

The cDNA of the touch-induced genes (TCH) of the sweet potato [Ipomoea batatas (L.) Lam.] has been cloned and analyzed. IbTCH1, which exists as at least two-copy genes in the genome of the sweet potato, encodes for 148-amino acid polypeptides, and harbors four conversed Ca²⁺-binding motif EF-hands. IbTCH1 was shown to be expressed in the flower, leaf, thick pigmented root, and particularly in the...

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Keywords

SWEET POTATO (3)
FLOWERING TIME (2)
IBEF (1)
AGPASE SMALL SUBUNIT (1)
BRASSICA OLERACEA (1)
GSL-ELONG (1)
HIBISCUS SYRIACUS L. (1)
IBMADS3-1 (1)
IPOMOEA BATATAS (L.) LAM. (1)
MISCANTHUS (1)
MUSI (1)
MUSI (1)
MYROSINASE (1)
NICOTIANA TABACUM (1)
NTEF1 (1)
NTEF2 (1)
NTMADS5 (1)
TCH (1)
AMINOETHOXYVINYLGLYCINE (1)
AMYLOPECTIN (1)
AMYLOSE (1)
ANTIOXIDANT (1)
BIOENERGY (1)
CADMIUM ACCUMULATION (1)
CADMIUM TOLERANCE (1)
CAM (1)
CAROTENOID (1)
CELL WALL PROTEIN (1)
CYCLOHEXIMIDE (1)
DEHYDRATION (1)
EARLY FLOWERING (1)
ETHYLENE (1)
FLOWER LONGEVITY (1)
GLUCOSINOLATE-MYROSINASE SYSTEM (1)
MADS-BOX GENE (1)
METHYLGLYOXAL-BIS(GUANYLHYDRAZONE) (1)
MOLECULAR PHENOTYPE (1)
PDS (1)
PLANT GROWTH-PROMOTING RHIZOBACTERIA (1)
PROLINE-RICH PROTEIN (PRP) (1)
RAPD (1)
REACTIVE OXYGEN SPECIES (1)
REF DOMAIN (1)
RT-PCR (1)
RUBBER ELONGATION FACTOR (REF) (1)
SCAR MARKER (1)
SPERMINE (1)
SPORAMIN (1)
STARCH (1)
STMADS SUBFAMILY (1)
STRESS RESPONSE (1)
SUPPRESSION SUBTRACTIVE HYBRIDIZATION (1)
SWEET POTATO (IPOMOEA BATATAS L. LAM) (1)
SWEET POTATO [IPOMOEA BATATAS (L.) LAM.] (1)
SWEETPOTATO (1)
TOBACCO (1)
TRICHOMES (1)
VEGETATIVE DEVELOPMENT (1)
VOLATILES (1)
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Genes & Genomics (6)
Plant Biotechnology Reports (3)
Plant Growth Regulation (2)
Bioprocess and Biosystems Engineering (1)
Transgenic Research (1)

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Search results for: Sang-Gyu Seo

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