Sneh Narwal

Antioxidant Activity of Antiviral Proteins from Celosia cristata

The antioxidant activity test of Celosia cristata antiviral proteins (CCP-25 and CCP-27) using ferric reducing antioxidant power (FRAP) assay in vitro indicated that these proteins are strong antioxidants. The increase in activities of redox-enzymes such as peroxidase, catalase and polyphenol oxidase on tobacco mosaic virus (TMV) inoculation of test plants, was inhibited when plants were treated with CCP-25 before TMV inoculation. The activity of phenylalanine ammonia lyase, involved in biosynthesis of antioxidative compounds was also inhibited. This is the first ever report where plant antiviral proteins have been shown to have strong antioxidative property. A possible correlation between antioxidant activity of CCPs and their antiviral activity is speculated.

Isolation and Characterization of Two Protein Isoforms with Antiviral Activity from Chenopodium album L Leaves

Two antiviral proteins (AVPs) named CAP-I and CAP-II isolated and purified from the leaves of Chenopodium album cv Pusa Bathua 1 were found to inhibit tobacco mosaic virus (TMV) and sunnhemp rosette virus (SRV) infection on their respective host plants. The molecular weight of both the AVPs was found to be 24 kD. They were devoid of carbohydrate moiety and were highly basic with pI ∼10.2. However, they differed with respect to amino acid composition and N-terminal sequence. They also differed with respect to IC50 values, and CAP-I was found to be 2.5 fold more effective than CAP-II in inhibiting viral infection.

Identification of barley genotypes with higher protein content coupled with bold grains for food and malt barley improvement under sub-tropical climates

Identification of barley genotypes with higher protein content coupled with bold grains for food and malt barley improvement under sub-tropical climates Dinesh Kumar*, RPS Verma1, Sneh Narwal, Jogendra Singh, Vishnu Kumar, Ajit Singh Kharub and Gyanendra Pratap Singh ICAR-Indian Institute of Wheat and Barley Research, Karnal -132 001, India 1International Centre for Agricultural Research in the Dry Areas , Rabat, Morocco

Genotypic and growing location effect on grain β-glucan content of barley under sub-tropical climates

Effect of genotype and growing location on barley grain beta glucan content was studied in 25 barley genotypes grown over six different locations in India. Based upon the two years results, the genotypes BCU 554, BH 963, BHS 352 and DWR 30 were having higher content of beta glucan while the genotypes Azad, BCU2030, Bilara-2, Jagriti, K 14, K 141, Lakhan, Manjula, SLOOP SA WI 3167 and SLOOP VIC VB 9953 had lower values. The growing location has also been found to affect the beta glucan content significantly. Positive simple correlation has been found between grain beta glucan content and protein, 1000 grain weight, plump kernels and test weight.