The prevalence of badnaviruses in West African yams (Dioscorea spp.) and evidence of endogenous pararetrovirus sequences in their genomes
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PCR-DGGE Analysis: Unravelling Complex Mixtures of Badnavirus Sequences Present in Yam Germplasm
Badnaviruses (family Caulimoviridae, genus Badnavirus) have emerged as serious pathogens especially affecting the cultivation of tropical crops. Badnavirus sequences can be integrated in host genomes, complicating the detection of episomal infections and the assessment of viral genetic diversity in samples containing a complex mixture of sequences. Yam (Dioscorea spp.) plants are hosts to a div...
متن کاملA Sequence-Independent Strategy for Amplification and Characterisation of Episomal Badnavirus Sequences Reveals Three Previously Uncharacterised Yam Badnaviruses
Yam (Dioscorea spp.) plants are potentially hosts to a diverse range of badnavirus species (genus Badnavirus, family Caulimoviridae), but their detection is complicated by the existence of integrated badnavirus sequences in some yam genomes. To date, only two badnavirus genomes have been characterised, namely, Dioscorea bacilliform AL virus (DBALV) and Dioscorea bacilliform SN virus (DBSNV). A ...
متن کاملDioscorea Plants: A Genus Rich in Vital Nutrapharmaceuticals- A Review
Dioscorea species, known as “Yams,” belong to family Dioscoreaceae. This genus consists ofmore than 600 species distributed from Africa, Asia, the Caribbean’s South America, and theSouth Pacific islands. Their organoleptic properties make them the most widely used carbohydratefood and dietary supplements. The underground and/or aerial tubers represent valuable sources...
متن کاملImplications of organic management on yield,tuber quality and soil health in yams in the humid tropics
Global consciousness of food safety, health and environmental issues has stimulated interest in alternative agricultural systems like organic farming. Since information on organic farming of tuber crops is meagre, a field experiment was conducted in split plot design over a five-year period at Central Tuber Crops Research Institute, India. The aims were to evaluate the impact of organic, c...
متن کاملDioscorea Plants: A Genus Rich in Vital Nutrapharmaceuticals- A Review
Dioscorea species, known as “Yams,” belong to family Dioscoreaceae. This genus consists ofmore than 600 species distributed from Africa, Asia, the Caribbean’s South America, and theSouth Pacific islands. Their organoleptic properties make them the most widely used carbohydratefood and dietary supplements. The underground and/or aerial tubers represent valuable sources...
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تاریخ انتشار 2015