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밀×야생밀 속간잡종의 genomic in situ hybridization
고종민(Jong Min Ko),한상익(Sang Ik Han),서득룡(Duck Yong Suh),권일찬(Yil Chan Kweon),곽용호(Yong Ho Kwak),서봉보(Bong Bo Seo) 한국육종학회 1997 한국육종학회지 Vol.29 No.4
Genomic in situ hybridization (GISH) was used to discriminate parental chromosomes of 3 intergeneric hybrids such as Triticum aestivum×Thinopyrum junceum, T. aestivum×Th. ponticum and T. aestivum×Leymus karelinii. Biotin labelled T. aestivum DNA was hybridized to the chromosomes of the three hybrids. In the hexaploid (2n=6x=42) T. aestivum×Th. junceum, 21 chromosomes with origin of T. aestivum were observed yellow-green, and the rest were orange-red. 21 yellow-green chromosomes and 35 orange-red ones were observed in the octaploid (2n=8x=56) T. aestivum×Th. ponticum, while the heptaploid (2n=7x=47) T. aestivum×L. karelinii was clearly distinguished as having 21 yellowgreen and 28 red chromosomes. Some of 35 orange-red chromosomes of Th. ponticum have bands with yellow-green, indicating that some regions of chromosomes of Th. ponticum were hybridized with T. aestivum DNA used as probe. The results showed that GISH could identify chromosomes of different origin from the hybrids.
Ki, Hyeon-Hui,Poudel, Barun,Lee, Ji-Hyun,Lee, Young-Mi,Kim, Dae-Ki Elsevier 2017 BIOMEDICINE AND PHARMACOTHERAPY Vol.96 No.-
<P><B>Abstract</B></P> <P> <I>Triticum aestivum</I> sprouts (TA) contain significant amounts of chlorophyll, minerals, enzymes, and other functional entities. Furthermore, TA extracts have been shown to possess anti-obesity, anti-diabetic and hepatoprotective effects and are believed to help blood flow, digestion, and general detoxification of the body. In this study, the mechanism underlying the anti-cancer effects of a dichloromethane fraction of TA (TDF) was investigated <I>in vitro</I> and <I>in vivo</I>. <I>In vitro</I> study was done by examining cancer cells growth, morphological changes, cell cycles, expressions of death receptors and apoptosis-linked proteins in wide range of human cancer cell lines. To investigate the effect of TDF <I>in vivo</I>, C57BL/6 mice were injected with B16 melanoma cells and orally administered TDF. TDF markedly inhibited cancer cell growth and induced cellular morphological alterations, cell cycle arrest and apoptosis, and enhanced the expressions of death receptors (DR)-4, 5, and 6 in cell lines. In addition, TDF regulated the expressions mitochondrial apoptosis-linked proteins and induced caspase-dependent cell death. It also significantly enhanced phosphorylation of ERK1/2 and JNK, but not p38, whereas inhibited the activation of NF-κB in cancer cells. In our mouse model, TDF significantly suppressed B16 melanoma growth, to an extent similar to cisplatin (reference control) and augmented immunomodulatory cytokines. In brief, this study presents the mechanism responsible for the anti-cancer effects of TDF <I>in vitro</I> and <I>in vivo</I>.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Lee Dong Gun,Lee Ji Min,Choi Chang Geun,Lee Hojoung,Moon Jun Cheol,Chung Namhyun 한국응용생명화학회 2021 Applied Biological Chemistry (Appl Biol Chem) Vol.64 No.6
Salinity stress is a serious abiotic stress that affects crop quality and production. Rhizospheric microbes have immense potential in synthesizing and releasing various compounds that regulate plant growth and soil physicochemical properties. The aim of the present study was to evaluate the efficacy of indole-3-acetic acid (IAA)-producing rhizobacteria as biofertilizers under salt stress. Among the isolated strains from various soil samples, Bacillus megaterium strain PN89 with multifarious plant growth-promoting traits was selected and used as a monoculture and co-culture with two other standard strains. The plant promoting activity was evaluated using the paper towel method and pot test to observe the effects on the early stage and vegetative growth of wheat (Triticum aestivum L.). The treatment using PGPR strain presented noticeable but varying effects on plant growth under salt stress, that is, PGPR treatment often displayed a significant increase in germination percentage, root and shoot length, and other growth parameters of wheat compared to those in the non-inoculated control. Thus, these results suggest that B. megaterium PN89 can be applied as a bio-fertilizer to alleviate salt stress in T. aestivum.
Truong, Hai An,Jeong, Chan Young,Lee, Won Je,Lee, Byung Cheon,Chung, Namhyun,Kang, Chon-Sik,Cheong, Young-Keun,Hong, Suk-Whan,Lee, Hojoung American Chemical Society, Books and Journals Divi 2017 Journal of agricultural and food chemistry Vol.65 No.28
<P>Thermotolerance in plants is a topic of concern given the current trends in global warming. Here, we aimed to develop a rapid and reproducible screening method for selection of heat stress-tolerant wheat varieties to expedite the breeding process. We tested the robustness of the screen in three Korean wheat cultivars, 'BackJung', 'KeumKang', and 'ChoKyeong'. We showed that 4-day-old seedlings of 'KeumKang' had the highest survival rates after a 45 degrees C treatment for 20 h. Moreover, the ability to retain chlorophyll and antioxidant activity was also highest in 'KeumKang'. The increase in malondialdehyde content in 'ChoKyeong' indicated that this cultivar showed the greatest damage after heat stress. Collectively, our results showed that 'KeumKang' is the most heat-tolerant cultivar of the three examined. In conclusion, the most reliable and rapid screening method in our investigation was survival rate examined at lethal temperature.</P>
3T3-L1 세포에서 소맥엽 에탄올추출물의 지질생성 억제효과
이선희(Sun-Hee Lee),신명걸(Mingjie Xin),Bui Thi Thuy Luyen,차지윤(Ji-Yun Cha),임지영(Ji-Young Im),권세욱(Se-Uk Kwon),임성원(Sung-Won Lim),서주원(Joo-Won Suh),김영호(Young-Ho Kim),김대기(Dae-Ki Kim),이영미(Young-Mi Lee) 대한약학회 2011 약학회지 Vol.55 No.6
Non-alcoholic fatty liver disease is known to be frequently associated with obesity and type 2 diabetes. We examined the effects of EtOH extracts from Triticum aestivum on lipid accumulation during the differentiation of 3T3-L1 preadipocytes to screening the candidate materials in preventing non-alcoholic fatty liver disease. The lipid level in adipocytes was determined by Oil Red O staining. The treatment of 50% ethanol, but not water and 100% ethanol extracts, from Triticum aestivum at concentration of 0.5 mg/ml inhibited lipid accumulation in 3T3-L1 cells, revealing no cell toxicity. Thus, the fractions of CH2Cl2, EtOAc and BuOH were separated from 50% EtOH extract to characterize anti-adipogenic effect. The CH2Cl2 fraction at concentration of 50 μg/ml effectively inhibited the lipid accumulation in the adipocytes compared to those of EtOAc and BuOH at concentration of 50 μg/ml. The intracellular triglyceride accumulation also was significantly reduced by treatment of CH2Cl2 fraction in concentration-dependent manner. Western blot analysis showed that the CH2Cl2 fraction attenuated the intracelluar level of fatty acid synthase(FAS) accompanied by attenuated expression of Peroxidase proliferator-activated receptor γ (PPARγ) adipogenic transcription factor. These results suggest that CH2Cl2 fraction from 50% EtOH extract of Triticum aestivum may has the potent anti-adipogenic effects by inhibiting the transactivation of PPARγ.
Patricia Cincotto dos Santos Bueno,Sandra Maria Barbalho,Elen Landgraf Guiguer,Maricelma da Silva Soares de Souza,Isabela Ramos Arau´jo de Medeiros,Isabella Vasconcelos Zattiti,Manuela dos Santos Buen 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.12
Studies have shown that the consumption of a diet containing whole grains may improve metabolic homeostasis and is related to the reduction of risk factors for the development of obesity, diabetes, cardiovascular diseases, and cancer. We aimed to investigate the effects of Triticum aestivum and Triticum turgidum on the metabolic profile of Wistar rats. Animals were divided into G1 (control group), G2 (T. turgidum), and G3 (T. aestivum). Anthropometric and biochemical parameters were evaluated after 45 days of treatment with both types of wheat. Our results showed that the use of the common or green wheat improved body weight percentage, visceral fat, glycemia, low-density lipoprotein cholesterol, triglycerides, and atherogenic indices such as atherogenic index, CCR1, and CCR2. Furthermore, wheat may also improve high-density lipoprotein cholesterol levels. The health-promoting properties of wheat occur probably due to the content of phytochemicals, antioxidants, and fibers. We suggest that the intake of T. aestivum and T. turgidum may be helpful in the prevention or treatment of obesity, diabetes and cardiovascular diseases.
( Hae Sook Baek ),( Sun Ha Lim ),( Ki Sung Ahn ),( Jong Won Lee ) 대한본초학회 2013 大韓本草學會誌 Vol.28 No.3
Objectives : Interruption and subsequent restoration of blood flow into the kidney result in renal injury. As an approach to preventing the renal injury, we determined the optimal conditions and the underlying mechanisms by which supernatant of hot water extract of ground Triticum aestivum L. (extract) attenuated ischemia/reperfusion (I/R) injury. Methods : One hour after administration of the extract (400 mg/kg) by intraperitoneal injection, renal I/R injury was generated by clamping the left renal artery in rats after surgical removal of the right kidney, followed by reperfusion. The maximal difference between the vehicle-treated and the extract-treated group under ketamine/xylazine or enflurane anesthetization was assessed at varying periods of ischemia (30-45 min) and reperfusion (3-48 hr), based on the renal function assessed with serum creatinine levels, tissue injury with hematoxylin/eosin staining, and apoptosis with terminal deoxynucleotidyltransferase-mediated dUTP nick-end labeling staining. Results : Enflurane anesthetization with 40 min of ischemia and 24 hr of reperfusion was identified to be the optimal condition, under which condition serum creatinine levels and tubular damage in the extract-treated group were significantly reduced compared with those in the vehicle-treated group (1.3±0.2 versus 2.7±0.3 mg/dL, P < 0.01, and average score 1.8±0.1 versus 3.5±0.3, P < 0.01, respectively). These beneficial effects were mediated by inhibition of apoptotic cascades through attenuation of renal tissue malondialdehyde levels, Bax/Bcl-2 ratio and caspase-3 levels. Conclusions : The extract conferred renal protection against ischemia/reperfusion injury in rats by scavenging reactive oxygen species and consequently blocking apoptotic cascades, plausibly augmented by enflurane protection.
고지방식이 섭취 마우스의 간 조직의 지질 축적에 대한 밀순 추출물의 억제 효과
김대기,임성원,이영미,서주원,이선희 한국생약학회 2011 생약학회지 Vol.42 No.4
Fatty liver disease refers to a range of disorders associated with fatty liver, which occur in excessive eating, evident infection or significant consumption of alcohol. This study was to investigate the effects of water and ethanol extracts of Triticum aestivum young leaf on lipid metabolism and accumulation in liver of mice fed with high-fat diet. Male C57BL/6 mice were divided into normal diet group, high fat diet (HFD) group, high fat diet group administrated with 200 mg/kg/day of T. aestivum water extract (HFD-TAWE) and high-fat group administrated with 200 mg/kg/day of T. aestivum ethanol extract (HFD-TAEE). TAWE and TAEE were administrated orally for 5 weeks once at the same time point. Both TAWE and TAEE significantly reduced body weight, food intake and liver tissue weight, which were augmented in high fat-fed mice. The serum levels of triglyceride, total and LDL-cholesterol also were significantly attenuated in both HFD-TAWE and HFD-TAEE groups compared to the HFD group. Moreover, administration of HFD-TAWE or HFD-TAEE reduced the lipid accumulation in liver tissue of mice fed with high fat diet. Levels of total lipids and triglyceride in liver tissues also was significantly reduced in HFDTAWE and HFD-TAEE groups compared to HFD group. The activities of serum ALT and AST revealed in HFD group were remarkedly decreased in HFD-TAEE groups. These results indicate that both water and ethanol extract of T. aestivum may improve the lipid accumulation in liver as well as lipid metabolism in serum, and that in particular, the ethanol extract of T. aestivum may has the potent anti-hyperlipidemic effect, suggesting that it may be a useful candidate for the therapy preventing fatty liver diseases.