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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2006-8-15
pubmed:abstractText
Inoculation of cassava with infectious clones of cassava mosaic geminiviruses (Geminiviridae: Begomovirus) and total DNA extracts from plants infected with well-characterised viruses was evaluated using the Bio-Rad Helios Gene Gun System. Total DNA extracts from infected plants and cloned viruses were produced for coating gold particles and bombardment onto new cassava genotypes, 96/1089A, 96/1039, 96/0160, 96/0304 and three local landraces TME 117, TME 3 and TME 4. Cloned DNA of a Kenyan isolate of the recombinant variant of East African cassava mosaic virus (EACMV-UG2-[Ka]), was only infectious to TME 117 (7/10 plants), 3 weeks post-inoculation with mild infection symptoms in the newly developing leaves. Biolistic inoculation with a chimeric pseudorecombinant virus between DNA A and B components from EACMV-[Ke-Kilifi] and EACMV-UG2-[Ka], respectively, was infectious to TME 117, 96/1039 and 96/0304 and developed very severe and persistent symptoms. TME 3 and TME 4 also developed symptoms, 12 days post-inoculation (d.p.i.). Total DNA extracts of ACMV and EACMV-[Ke-Kilifi] resulted in serious infections with symptoms already evident, 10d.p.i. In general, biolistic inoculation trials with total DNA extracts resulted in a higher number of infected plants expressing symptoms at a much earlier stage (10-12d.p.i.) compared with trials inoculated with virus clones.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0166-0934
pubmed:author
pubmed:issnType
Print
pubmed:volume
137
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
43-50
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
The use of biolistic inoculation of cassava mosaic begomoviruses in screening cassava for resistance to cassava mosaic disease.
pubmed:affiliation
International Institute of Tropical Agriculture, PMB 5320, Ibadan, Nigeria. oluwoleariyo@yahoo.com
pubmed:publicationType
Journal Article, Comparative Study