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        검색결과 61

        23.
        2009.10 구독 인증기관·개인회원 무료
        The traditional use of insects as food continues to be widespread in tropical and subtropical countries and to provide significant nutritional, economic and ecological benefits for rural communities. Specially, Bee brood serves as a food source to humans in many countries although limited data exists concerning its nutrient composition. Bee brood (pupa and larvae) were analyzed for Carbohydrate, Saturated fatty acid, Cholesterol, protein, fat, fiber, minerals, and vitamins. Bee brood was high in protein(46.4%~46.73%), fat(18.84%~ 20.75%),carbohydrate(24.66 %~35.79 %), Folic acid(222.30 ㎍/100g), and vitamins. Differentially, folic acid had been contained by high density in pupa of drone. While low in iron, bee brood was a good source of folic acid, and carbohydrate. The fat was composed mostly of saturated and mono-unsaturated fatty acids. The present data suggest bee brood to be an excellent source of many valuable nutrients including energy, amino acids, many essential minerals, and B-vitamins. These data suggest bee brood could be a valuable source of nutrients to various populations.
        24.
        2008.10 구독 인증기관·개인회원 무료
        Sacbrood virus(SBV) causes a fatal disease(sacbrood) of honeybee larvae, which fail to pupate, change color and shape, and finally die. The complete nucleotide sequence of SBV has recently been determined, and with these data, we now report a Reverse Transcription-PCR(RT-PCR) test for the direct, rapid, and sensitive detection of these viruses. To detect the SBV infection in Korea, we collect beekeepers from various apiaries, which the RT-PCR technique was used. And we designed SBV specific primers in conserved region of the viral genome in the GenBank database. We confirmed the SBV amplicon using cloning and sequence. Homology between determined sequences of SBV korean strain and published virus sequences were 97% in DNA sequence, and 100% in amino acid sequence. We describe the first time that presence of sacbrood virus(SBV) in Korea honey bee colonies using RT-PCR. We also developed and validated a RT-PCR assay for the detection of SBV in Korea.
        25.
        2008.10 구독 인증기관·개인회원 무료
        Viruses of the honeybee, Apis mellifera L. are known to reside at low levels in colonies, typically showing no apparent signs of infection. Chronic paralysis virus(CBPV) is known to induce significant losses in honey bee colonies. The pathology is characterized by clusters of trembling, flightless, crawling bees and by individual bees, sometimes hairless, standing at the hive entrance. A minusstrand-specific RT-PCR was used to assess viral replication. This is the first report on the infection of CBPV in Korea. Using (-)RT-PCR, 27 apiaries in korea were screened for the honeybee viruses, with positive colonies being analysed for viral genetic diversity. We got 550-nt PCR product from CBPV genomic RNA. Nucleotide sequences were aligned to the complete CBPV genomic RNA sequence deposited in the GenBank database and was revealed 96%(AM-CBPV) identity, respectively. Sequence comparison with other CBPV and honeybee virus.
        26.
        2008.10 구독 인증기관·개인회원 무료
        Mortality of honeybees is a serious problem that beekeepers have to face periodically in Korea and worldwide. The presence of RNA viruses, in addition to other pathogens may be one of its possible causes. In this work, we detected Deformed wing virus(DWV), Israle Acute Paralysis Virus (IAPV), Black queen cell virus (BQCV), Cloudy wing virus(CWV), Kashmir bee virus(KBV), Sacbrood virus(SBV), Chronic bee paralysis virus(CBPV) in samples of korea honeybees with or without Varroa destructor and Nosema apis. The detection of viruses in all provinces, simultaneous co-infection of colonies by several viruses and the fact that 96.3% of the samples were infected with one or more virus, indicates they are widely spread in the region. Using uniplex and multiplex RT-PCR we screened honey bee colonies for the presence of several bee viruses, including DWV, IAPV, BQCV, KBV, CWV, and described the detection of mixed virus infections in bees from these colonies. Conclusively, investigated disease of the bee, and confirmed new virus that lead to bee disease, this is thought by valuable thing as data for development of beekeeping industry such as CCD(Colony Collapse Disorder)'s cause searching examination.
        27.
        2016.10 서비스 종료(열람 제한)
        Background : Schizandra chinensis Baillon have five tastes and lately it is using a beverage broadly. Schizandra chinensis is one of the top producing medicinal plant in Korea. Mungyeong of Gyongbuk province produce almost of Schizandra chinensis. Maturity of Schizandra chinensis get 3 years and proliferation of Schizandra chinensis was not a manual. It is needed that a new cultivar has a big fruit and high quality chracteristics using processed food and beverage. Methods and Results : 105 lines of Schizandra chinensis were collected on Mungyeong, Yeongwol, Jinan. It were studied it’ characteristics especially it’s fruit trait. Fruit traits of Schizandra chinensis were researched on fruit length, fruit weight, maturity, number of fruit, male and female ratio, powdery mildew. Fruit length of Schizandra chinensis is relation of fruit weight. It were founded 15 lines of long fruit length. 5 lines were studied high fruit weight and it’s weight were 32 to 41g. Number of fruit has relation with fruit weight and high fruit weight gets many fruits. it’s numer of fruits were 3 to 41. Male and female ratio were very impotant characteristic. High level of female ratio has quantity of fruit. High level of female ratio were founded 2 lines. Finally It was selected 3 good breed lines of Schizandra chinensis. Conclusion : 105 lines of Schizandra chinensis Baillons were collected on Mungyeong, Yeongwol, Jinan. It were founded 15 lines of long fruit length and 5 lines were studied high fruit weight. High level of female ratio were founded 2 lines. 3 good breed lines of Schizandra chinensis were selected.
        28.
        2014.07 서비스 종료(열람 제한)
        Mungbean (Vigna radiata) is a fast-growing, warm-season legume crop that is primarily cultivated in developing countries of Asia. We constructed a draft genome sequence of mungbean to facilitate genome research into the subgenus Ceratotropis and to enable a better understanding of the evolution of leguminous species. The draft genome sequence covers 80% of the estimated genome, of which 50.1% consists of repetitive sequences. In total, 22,427 high confidence protein-coding genes were predicted. Based on the de novo assembly of additional wild mungbean species, the divergence of what was eventually domesticated and the sampled wild mungbean species appears to have predated domestication. Moreover, the de novo assembly of a tetraploid Vigna species (Vigna reflexo-pilosa var. glabra) provided genomic evidence of a recent allopolyploid event. To further study speciation, we compared de novo RNA-seq assemblies of 22 accessions of 18 Vigna species and protein sets of Glycine max and Cajanus cajan. The species tree was constructed by a Bayesian Markov chain Monte Carlo method using highly confident orthologs shared by all 24 accessions. The present assembly of V. radiata var. radiata will facilitate genome research and accelerate molecular breeding of the subgenus Ceratotropis.
        29.
        2013.03 서비스 종료(열람 제한)
        Acinetobacter baumannii is usually considered an opportunistic pathogen that it responsible for a variety of nosocomial infections, such as, pneumonia, tracheobronchitis, meningitis, endocarditis, peritonitis, skin and soft tissue infections, and urinary tract infections. However, over the years, the organism has developed substantial antimicrobial resistance, and thus, the management of infections has become more difficult. The less common infective endocarditis is one of the more serious consequences of nosocomial bacteremia. Here, we report the successful treatment of the first case of multidrug-resistant A. baumannii endocarditis in a 33-year-old patient.
        40.
        2006.08 KCI 등재 서비스 종료(열람 제한)
        A population ofrecombinant inbred lines derived from a cross between Ilpumbyeo, a blast-susceptibleyopowca cultivarofhigh eating-quality and high yield potential, and GL33, a blast-resistance/apowca weedy rice was used to identifv QTLs affect-ing importan
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