Modes of transmission and stability of Rice yellow mottle virus
نویسندگان
چکیده
منابع مشابه
Historical Contingencies Modulate the Adaptability of Rice Yellow Mottle Virus
The rymv1-2 and rymv1-3 alleles of the RYMV1 resistance to Rice yellow mottle virus (RYMV), coded by an eIF(iso)4G1 gene, occur in a few cultivars of the Asiatic (Oryza sativa) and African (O. glaberrima) rice species, respectively. The most salient feature of the resistance breaking (RB) process is the converse genetic barrier to rymv1-2 and rymv1-3 resistance breakdown. This specificity is mo...
متن کاملPhylogeography of Rice yellow mottle virus in Africa.
The sequences of the coat protein gene of a representative sample of 40 isolates of Rice yellow mottle virus (RYMV) from 11 African countries were analysed. The overall level of nucleotide diversity was high (approximately 14%). Great geographical distances between the sites where isolates were collected were consistently associated with high genetic distances. In contrast, a wide range of gene...
متن کاملMaternal genetic effect of resistance to rice yellow mottle virus disease in rice
Reciprocal selection is a breeding procedure for population improvement and hybrid development. Both female and male parents contribute genes to their offspring, but the influence of female parent often extends beyond simple genetic transmission. Nine parents were crossed in a full diallel and evaluated for maternal genetic effects for resistance to rice yellow mottle virus disease. This study ...
متن کاملStability of rice yellow mottle virus and cellular compartmentalization during the infection process in Oryza sativa (L.).
Rice yellow mottle virus (RYMV) is icosahedral in morphology and known to swell in vitro, but the biological function of swollen particles remains unknown. Anion-exchange chromatography was used to identify three markedly stable forms of RYMV particles from infected plants: (1) an unstable swollen form lacking Ca2+ and dependent upon basic pH; (2) a more stable transitional form lacking Ca2+ bu...
متن کاملDistribution and Diversity of Local Strains of Rice Yellow Mottle Virus in Tanzania
Rice (Oryza sativa) is a key staple in Tanzania but its productivity is affected by disease infestation, primary among which is the rice yellow mottle virus (RYMV). Tanzania possesses high RYMV densities and several locations including the Eastern Arc Mountains provide suitable habitat fragmentation that facilitates the diversification process of the virus. However, the distribution pattern and...
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ژورنال
عنوان ژورنال: Journal of Plant Protection Research
سال: 2014
ISSN: 1899-007X
DOI: 10.2478/jppr-2014-0054