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Articles by M. Arif
Total Records ( 2 ) for M. Arif
  M. Arif , B. Reavy and H. Barker
  Coat protein-mediated resistance (CP-MR) to potato mop-top furovirus (PMTV) was incorporated by transforming Nicotiana benthamiana, a susceptible host of PMTV, with sequences encoding the coat protein (CP) gene of the virus. The transgenic plants of N. benthamiana, expressing the PMTV gene were challenged with isolate T and isolate S of PMTV by mechanical, graft, and fungal inoculation. CP-MR against PMTV was extremely effective in coat protein gene transformed N. benthamiana plants. Transgenic T1 seedlings were inoculated in a bait test in which they were grown in soil containing viruliferous spores of the vector fungus Spongospora subterranea f. sp. subterranea. Virus transmission by its natural vector could only infect one or two plants of one transgenic line (W16) whereas four lines (W1, W2, W7, W25) were immune to fungally-mediated PMTV-infection. This type of resistance in potato crop will be very valuable because there is no other source of resistance or tolerance to PMTV.
  I.H. Bukhari , M. Arif , J. Akbar and A.H. Khan
  Transition metals (Mn (II), Co (II), Ni (II), Cu (II) and Zn (II)), complexes of Schiff base derived from Cephradine and Salicylaldehyde were prepared and characterized by elemental analysis, conductance, magnetic moments and spectroscopic data. In these complexes an amino group available in the Cephradine was allowed to react with Salicylaldehyde to obtain Schiff base and which then subsequently reacted with Transition metals. Schiff base was derived from condensation of salicylaldehyde and cephradine in equimolar quantities (1:1). Ligand chelates through OH and -C=N- functional group of the Schiff base. The complexes were formulated as ML2 (1:2) type. All the complexes were found to be six-coordinate dihydrates. The geometry of the complexes appears to be simple octahedral. All the compounds under investigation possess somewhat antibacterial activity. The antibacterial activity showed the following trend; Transition metal complexes > Schiff base ligand > Parent drug
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