A genus in the family NANOVIRIDAE infecting bananas. The type species is Banana bunchy top virus.

Reassortment and concerted evolution in banana bunchy top virus genomes. (1/8)

The nanovirus Banana bunchy top virus (BBTV) has six standard components in its genome and occasionally contains components encoding additional Rep (replication initiation protein) genes. Phylogenetic network analysis of coding sequences of DNA 1 and 3 confirmed the two major groups of BBTV, a Pacific and an Asian group, but show evidence of web-like phylogenies for some genes. Phylogenetic analysis of 102 major common regions (CR-Ms) from all six components showed a possible concerted evolution within the Pacific group, which is likely due to recombination in this region. The CR-M of additional Rep genes is close to that of DNA 1 and 2. Comparison of tree topologies constructed with DNA 1 and DNA 3 coding sequences of 14 BBTV isolates showed distinct phylogenetic histories based on Kishino-Hasegawa and Shimodaira-Hasegawa tests. The results of principal component analysis of amino acid and codon usages indicate that DNA 1 and 3 have a codon bias different from that of all other genes of nanoviruses, including all currently known additional Rep genes of BBTV, which suggests a possible ancient genome reassortment event between distinctive nanoviruses.  (+info)

Effect of temperature, vector life stage, and plant access period on transmission of banana bunchy top virus to banana. (2/8)

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Unusual events involved in Banana bunchy top virus strain evolution. (3/8)

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Evidence of inter-component recombination, intra-component recombination and reassortment in banana bunchy top virus. (4/8)

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Transgenic banana plants expressing small interfering RNAs targeted against viral replication initiation gene display high-level resistance to banana bunchy top virus infection. (5/8)

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Predicting the benefits of banana bunchy top virus exclusion from commercial plantations in Australia. (6/8)

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Tropism, compartmentalization and retention of banana bunchy top virus (Nanoviridae) in the aphid vector Pentalonia nigronervosa. (7/8)

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Localization, concentration, and transmission efficiency of Banana bunchy top virus in four asexual lineages of Pentalonia aphids. (8/8)

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Babuvirus is a genus of small, non-enveloped viruses in the family *Picobirnaviridae*. These viruses have a bi-segmented double-stranded RNA genome and are known to infect various animals, including humans. However, the clinical significance and pathogenicity of Babuvirus infection in humans are not well understood. More research is needed to determine the role of this virus in human health and disease.

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