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Phytochemical Studies of Phyllanthus debilis
K.S.Chandrashekar,D.Satyanarayana,A.B.Joshi,E.V.S.Subrahmanyam 한국생약학회 2004 Natural Product Sciences Vol.10 No.3
Two Lignans Phyllanthin and Hypophyllanthin, and a steroid b-sitosterol has been isolated from the leaves of Phyllanthus debilis and their structures were established by spectral analysis and direct comparison with authentic samples. This is the first report of occurrence of these compound from P.debilis.
Yashpal S. Malik,Kuldeep Sharma,Nirupama Vaid,Somendu Chakravarti,K. M. Chandrashekar,Sanjay S. Basera,Rashmi Singh,Minakshi,Gaya Prasad,Baldev R. Gulati,Kiren N. Bhilegaonkar,Awadh B. Pandey 대한수의학회 2012 JOURNAL OF VETERINARY SCIENCE Vol.13 No.3
The present study describes the genotypic distribution of rotaviruses (RVs) in an Indian bovine population with unexpectedly higher proportions of G3 alone or in combination of G8/G10. PCR-genotyping confirmed that 39.4% (13/33) of the prevalent RVs were the G3 type while 60.6% (20/33) were dual G3G10 or G3G8 types. P typing revealed that 93.9% (31/33) of the samples were P[11] while 6.1% (2/33) possessed a dual P[1]P[11] type. Sequence analysis of the VP7 gene from G3 strains viz. B-46, 0970, and BR-133 showed that these strains had sequence identities of 90.5% to 100% with other bovine G3 strains. The highest identity (98.9% to 100%) was observed with RUBV3 bovine G3 strains from eastern India. The G3 strains (B-46, 0970, and BR-133) showed 97.5% to 98.8% sequence homologies with the Indian equine RV strain Erv-80. Phylogenetic analysis demonstrated that G3 strains clustered with bovine RUBV3 and J-63, and equine Erv-80 G3. Overall, these results confirmed that the incidence of infection by RVs with the G3 genotype and mixed genotypes in the bovine population was higher than previously predicted. This finding reinforces the importance of constantly monitoring circulating viral strains with the G3 genotype in future surveillance studies.
A.B.Joshi,D.Satyanarayana,K.S.Chandrashekar,E.V.S.Subrahmanyam 한국생약학회 2004 Natural Product Sciences Vol.10 No.3
From the flowers of Ervatamia coronaria four indole alkaloids have been isolated and characterized as harmine, heyneanine, voacristine and apparicine with the help of various spectral data. The alkaloids Harmine and Heyneanine are reported first time from the flowers of Ervatamia coronaria.