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RISS 인기검색어
- 검색키워드
- 저자 : P.N. Damodaran (검색결과 2 건)
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Phytochemical and Antimicrobial Study of an Antidiabetic Plant: Scoparia dulcis L.
L. Pari,M. Latha,K.M. Ramkumar,P.N. Damodaran,V. Rajeshkannan,T. Suresh 한국식품영양과학회 2006 Journal of medicinal food Vol.9 No.3
The antimicrobial and antifungal effects of different concentrations of chloroform/methanol fractions of Sco-paria dulciswere investigated. The isolated fractions were tested against different bacteria like Salmonella typhii, Staphylo-coccus aureus, Escherichia coli, Bacillus subtilis, Pseudomonas aeruginosa, and Proteus vulgarisand fungal strains such asAlternaria macrospora, Candida albicans, Aspergillus niger, and Fusarium oxysporum. The isolated fractions exhibited sig-nificant antimicrobial and antifungal activity against all the tested organisms compared with respective reference drugs. Theisolated fractions of S. dulcisshowed properties like antimicrobial and antifungal activities that will enable researchers in turnto look for application-oriented principles.
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Jeong-Soon Kim,Sang-Nag Ahn,Sung-Jun Hong,Jong-Ho Park,Minho Lee,Eun-Jung Han,Damodaran P. N.,Yong-Ki Kim,Hyeong-Jin Jee,Chang-Ki Shim 韓國作物學會 2011 한국작물학회지 Vol.56 No.2
Brown planthopper (BPH) is a serious insect pest of rice crop throughout rice growing countries, and yield loss due to its infection can be up to 60%. This study aimed to evaluate efficiency of molecular markers for screening BPH resistance accessions among 86 aromatic rice germplasm Eighty-six accessions of aromatic rice germplasm included two accessions of Tongil type (bred in Korea), 28 accessions of japonica type and 56 accessions of indica type. We applied eight STS markers (pBPH9, pBPH19, pBPH20, pBPH21, AJ09-b, RG457L, RG457B, and 7312.T4A) which were linked to four of BPH resistance genes, Bph1, Bph13(t), Bph10, and Bph18(t) respectively. One japonica type accession, 415XIr352, and six indica type accessions possessed one or four positive bands when tested with four STS markers linked to Bph1 gene. One indica type aromatic rice, Basmati9-93, showed the target bands linked to the Bph10 gene. The other accessions did not show same fragments as the respective resistant lines. Bph13(t) is the most widely introduced resistance gene and only one accession showed positive bands implying that this accession might harbor Bph10 and Bph18(t) genes. Three aromatic accessions, Domsiah, Khao Dawk Mali 105 and 415XIr352 showed gene pyramiding of Bph1 and Bph13(t). Two indica aromatic rice, Ds 20 and Basmati 9-93, possessed at least two BPH resistance genes, Bph1, Bph18(t) and Bph13(t), Bph18(t), respectively. These results indicates that aromatic rice germplasm have narrow diversities of BPR resistance genes.
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