Babuvirus

14,000,000 Leading Edge Experts on the ideXlab platform

Scan Science and Technology

Contact Leading Edge Experts & Companies

Scan Science and Technology

Contact Leading Edge Experts & Companies

The Experts below are selected from a list of 108 Experts worldwide ranked by ideXlab platform

Simona Kraberger - One of the best experts on this subject based on the ideXlab platform.

  • The global distribution of Banana bunchy top virus reveals little evidence for frequent recent, human-mediated long distance dispersal events
    Virus evolution, 2015
    Co-Authors: Daisy Stainton, Darren P. Martin, Mana'ia Halafihi, Samiuela Lolohea, Brejnev M. Muhire, P. Lepoint, Guy Blomme, Kathleen S. Crew, M. Sharman, Simona Kraberger
    Abstract:

    Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus ) is a multi-component single-stranded DNA virus, which infects banana plants in many regions of the world, often resulting in large-scale crop losses. We analyzed 171 banana leaf samples from fourteen countries and recovered, cloned, and sequenced 855 complete BBTV components including ninety-four full genomes. Importantly, full genomes were determined from eight countries, where previously no full genomes were available (Samoa, Burundi, Republic of Congo, Democratic Republic of Congo, Egypt, Indonesia, the Philippines, and the USA [HI]). Accounting for recombination and genome component reassortment, we examined the geographic structuring of global BBTV populations to reveal that BBTV likely originated in Southeast Asia, that the current global hotspots of BBTV diversity are Southeast Asia/Far East and India, and that BBTV populations circulating elsewhere in the world have all potentially originated from infrequent introductions. Most importantly, we find that rather than the current global BBTV distribution being due to increases in human-mediated movements of bananas over the past few decades, it is more consistent with a pattern of infrequent introductions of the virus to different parts of the world over the past 1,000 years.

  • Evidence of inter-component recombination, intra-component recombination and reassortment in banana bunchy top virus.
    The Journal of general virology, 2012
    Co-Authors: Daisy Stainton, Karyna Rosario, Simona Kraberger, Matthew Walters, Elizabeth J Wiltshire, Mana'ia Halafihi, Samiuela Lolohea, Ika Katoa, Tu'amelie H Faitua, Waikato Aholelei
    Abstract:

    Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus) is a multi-component, ssDNA virus, which causes widespread banana crop losses throughout tropical Africa and Australasia. We determined the full genome sequences of 12 BBTV isolates from the Kingdom of Tonga and analysed these together with previously determined BBTV sequences to show that reassortment and both inter- and intra-component recombination have all been relatively frequent occurrences during BBTV evolution. We found that whereas DNA-U3 components display evidence of complex inter- and intra-component recombination, all of the South Pacific DNA-R components have a common intra-component recombinant origin spanning the replication-associated protein gene. Altogether, the DNA-U3 and DNA-M components display a greater degree of inter-component recombination than the DNA-R, -S, -C and -M components. The breakpoint distribution of the inter-component recombination events reveals a primary recombination hotspot around the 5' side of the common region major and, in accordance with recombination hotspots detectable in related ssDNA viruses, a secondary recombination hotspot near the origin of virion-strand replication.

Daisy Stainton - One of the best experts on this subject based on the ideXlab platform.

  • The global distribution of Banana bunchy top virus reveals little evidence for frequent recent, human-mediated long distance dispersal events
    Virus evolution, 2015
    Co-Authors: Daisy Stainton, Darren P. Martin, Mana'ia Halafihi, Samiuela Lolohea, Brejnev M. Muhire, P. Lepoint, Guy Blomme, Kathleen S. Crew, M. Sharman, Simona Kraberger
    Abstract:

    Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus ) is a multi-component single-stranded DNA virus, which infects banana plants in many regions of the world, often resulting in large-scale crop losses. We analyzed 171 banana leaf samples from fourteen countries and recovered, cloned, and sequenced 855 complete BBTV components including ninety-four full genomes. Importantly, full genomes were determined from eight countries, where previously no full genomes were available (Samoa, Burundi, Republic of Congo, Democratic Republic of Congo, Egypt, Indonesia, the Philippines, and the USA [HI]). Accounting for recombination and genome component reassortment, we examined the geographic structuring of global BBTV populations to reveal that BBTV likely originated in Southeast Asia, that the current global hotspots of BBTV diversity are Southeast Asia/Far East and India, and that BBTV populations circulating elsewhere in the world have all potentially originated from infrequent introductions. Most importantly, we find that rather than the current global BBTV distribution being due to increases in human-mediated movements of bananas over the past few decades, it is more consistent with a pattern of infrequent introductions of the virus to different parts of the world over the past 1,000 years.

  • Evidence of inter-component recombination, intra-component recombination and reassortment in banana bunchy top virus.
    The Journal of general virology, 2012
    Co-Authors: Daisy Stainton, Karyna Rosario, Simona Kraberger, Matthew Walters, Elizabeth J Wiltshire, Mana'ia Halafihi, Samiuela Lolohea, Ika Katoa, Tu'amelie H Faitua, Waikato Aholelei
    Abstract:

    Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus) is a multi-component, ssDNA virus, which causes widespread banana crop losses throughout tropical Africa and Australasia. We determined the full genome sequences of 12 BBTV isolates from the Kingdom of Tonga and analysed these together with previously determined BBTV sequences to show that reassortment and both inter- and intra-component recombination have all been relatively frequent occurrences during BBTV evolution. We found that whereas DNA-U3 components display evidence of complex inter- and intra-component recombination, all of the South Pacific DNA-R components have a common intra-component recombinant origin spanning the replication-associated protein gene. Altogether, the DNA-U3 and DNA-M components display a greater degree of inter-component recombination than the DNA-R, -S, -C and -M components. The breakpoint distribution of the inter-component recombination events reveals a primary recombination hotspot around the 5' side of the common region major and, in accordance with recombination hotspots detectable in related ssDNA viruses, a secondary recombination hotspot near the origin of virion-strand replication.

Mana'ia Halafihi - One of the best experts on this subject based on the ideXlab platform.

  • The global distribution of Banana bunchy top virus reveals little evidence for frequent recent, human-mediated long distance dispersal events
    Virus evolution, 2015
    Co-Authors: Daisy Stainton, Darren P. Martin, Mana'ia Halafihi, Samiuela Lolohea, Brejnev M. Muhire, P. Lepoint, Guy Blomme, Kathleen S. Crew, M. Sharman, Simona Kraberger
    Abstract:

    Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus ) is a multi-component single-stranded DNA virus, which infects banana plants in many regions of the world, often resulting in large-scale crop losses. We analyzed 171 banana leaf samples from fourteen countries and recovered, cloned, and sequenced 855 complete BBTV components including ninety-four full genomes. Importantly, full genomes were determined from eight countries, where previously no full genomes were available (Samoa, Burundi, Republic of Congo, Democratic Republic of Congo, Egypt, Indonesia, the Philippines, and the USA [HI]). Accounting for recombination and genome component reassortment, we examined the geographic structuring of global BBTV populations to reveal that BBTV likely originated in Southeast Asia, that the current global hotspots of BBTV diversity are Southeast Asia/Far East and India, and that BBTV populations circulating elsewhere in the world have all potentially originated from infrequent introductions. Most importantly, we find that rather than the current global BBTV distribution being due to increases in human-mediated movements of bananas over the past few decades, it is more consistent with a pattern of infrequent introductions of the virus to different parts of the world over the past 1,000 years.

  • Evidence of inter-component recombination, intra-component recombination and reassortment in banana bunchy top virus.
    The Journal of general virology, 2012
    Co-Authors: Daisy Stainton, Karyna Rosario, Simona Kraberger, Matthew Walters, Elizabeth J Wiltshire, Mana'ia Halafihi, Samiuela Lolohea, Ika Katoa, Tu'amelie H Faitua, Waikato Aholelei
    Abstract:

    Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus) is a multi-component, ssDNA virus, which causes widespread banana crop losses throughout tropical Africa and Australasia. We determined the full genome sequences of 12 BBTV isolates from the Kingdom of Tonga and analysed these together with previously determined BBTV sequences to show that reassortment and both inter- and intra-component recombination have all been relatively frequent occurrences during BBTV evolution. We found that whereas DNA-U3 components display evidence of complex inter- and intra-component recombination, all of the South Pacific DNA-R components have a common intra-component recombinant origin spanning the replication-associated protein gene. Altogether, the DNA-U3 and DNA-M components display a greater degree of inter-component recombination than the DNA-R, -S, -C and -M components. The breakpoint distribution of the inter-component recombination events reveals a primary recombination hotspot around the 5' side of the common region major and, in accordance with recombination hotspots detectable in related ssDNA viruses, a secondary recombination hotspot near the origin of virion-strand replication.

Samiuela Lolohea - One of the best experts on this subject based on the ideXlab platform.

  • The global distribution of Banana bunchy top virus reveals little evidence for frequent recent, human-mediated long distance dispersal events
    Virus evolution, 2015
    Co-Authors: Daisy Stainton, Darren P. Martin, Mana'ia Halafihi, Samiuela Lolohea, Brejnev M. Muhire, P. Lepoint, Guy Blomme, Kathleen S. Crew, M. Sharman, Simona Kraberger
    Abstract:

    Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus ) is a multi-component single-stranded DNA virus, which infects banana plants in many regions of the world, often resulting in large-scale crop losses. We analyzed 171 banana leaf samples from fourteen countries and recovered, cloned, and sequenced 855 complete BBTV components including ninety-four full genomes. Importantly, full genomes were determined from eight countries, where previously no full genomes were available (Samoa, Burundi, Republic of Congo, Democratic Republic of Congo, Egypt, Indonesia, the Philippines, and the USA [HI]). Accounting for recombination and genome component reassortment, we examined the geographic structuring of global BBTV populations to reveal that BBTV likely originated in Southeast Asia, that the current global hotspots of BBTV diversity are Southeast Asia/Far East and India, and that BBTV populations circulating elsewhere in the world have all potentially originated from infrequent introductions. Most importantly, we find that rather than the current global BBTV distribution being due to increases in human-mediated movements of bananas over the past few decades, it is more consistent with a pattern of infrequent introductions of the virus to different parts of the world over the past 1,000 years.

  • Evidence of inter-component recombination, intra-component recombination and reassortment in banana bunchy top virus.
    The Journal of general virology, 2012
    Co-Authors: Daisy Stainton, Karyna Rosario, Simona Kraberger, Matthew Walters, Elizabeth J Wiltshire, Mana'ia Halafihi, Samiuela Lolohea, Ika Katoa, Tu'amelie H Faitua, Waikato Aholelei
    Abstract:

    Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus) is a multi-component, ssDNA virus, which causes widespread banana crop losses throughout tropical Africa and Australasia. We determined the full genome sequences of 12 BBTV isolates from the Kingdom of Tonga and analysed these together with previously determined BBTV sequences to show that reassortment and both inter- and intra-component recombination have all been relatively frequent occurrences during BBTV evolution. We found that whereas DNA-U3 components display evidence of complex inter- and intra-component recombination, all of the South Pacific DNA-R components have a common intra-component recombinant origin spanning the replication-associated protein gene. Altogether, the DNA-U3 and DNA-M components display a greater degree of inter-component recombination than the DNA-R, -S, -C and -M components. The breakpoint distribution of the inter-component recombination events reveals a primary recombination hotspot around the 5' side of the common region major and, in accordance with recombination hotspots detectable in related ssDNA viruses, a secondary recombination hotspot near the origin of virion-strand replication.

Lepoint P. - One of the best experts on this subject based on the ideXlab platform.

  • The global distribution of banana bunchy top virus reveals little evidence for frequent recent, human-mediated long distance dispersal events
    Oxford Univ. Press, 2015
    Co-Authors: Stainton D., Lepoint P., Martin D.p., Muhire B.m., Lolohea S., Halafihi M., Blomme Guy, Crew K.s., Sharman M., Kraberger S.
    Abstract:

    Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus) is a multi-component single-stranded DNA virus, which infects banana plants in many regions of the world, often resulting in large-scale crop losses. We analyzed 171 banana leaf samples from fourteen countries and recovered, cloned, and sequenced 855 complete BBTV components including ninety-four full genomes. Importantly, full genomes were determined from eight countries, where previously no full genomes were available (Samoa, Burundi, Republic of Congo, Democratic Republic of Congo, Egypt, Indonesia, the Philippines, and the USA [HI]). Accounting for recombination and genome component reassortment, we examined the geographic structuring of global BBTV populations to reveal that BBTV likely originated in Southeast Asia, that the current global hotspots of BBTV diversity are Southeast Asia/Far East and India, and that BBTV populations circulating elsewhere in the world have all potentially originated from infrequent introductions. Most importantly, we find that rather than the current global BBTV distribution being due to increases in human-mediated movements of bananas over the past few decades, it is more consistent with a pattern of infrequent introductions of the virus to different parts of the world over the past 1,000 years.Peer Revie

  • Workshop report: strategic planning workshop on recovering Banana production in BBTD affected areas: community and farm household approaches
    2014
    Co-Authors: Lepoint P., Staver C., Ajambo S., Rietveld A., Lava Kumar P., Hanna R., Caruana M.l.
    Abstract:

    Banana bunchy top disease (BBTD) caused by the Banana bunchy top virus (BBTV, genus Babuvirus, family Nanoviridae) renders plants unproductive and eventually kills affected plants. BBTD spreads into new fields along with infected planting material and through the banana aphid, Pentalonia nigronervosa, which is widespread in all banana and plantain-producing areas. BBTD was first reported from Africa in 1901, however, extensive spread into new production areas has been observed during the last two decades. The disease has very recently invaded Benin and Nigeria in West Africa in addition to limited spread within the Kivu provinces (Democratic Republic of Congo, DRC), neighbor to the largest banana-producing country in Africa - Uganda.Currently, Bunchy top has been recorded in 35 countries across Africa, Asia, Australia and the South Pacific Islands, including Hawaii (USA), but not in the Americas. In Africa, occurrence has been confirmed in 14 countries, namely Angola, Benin, Burundi, Cameroon, Central African Republic, Congo Republic, DRC, Egypt, Equatorial Guinea, Gabon, Malawi, Nigeria, Rwanda and Zambia

  • Rapport d’atelier : Atelier de planification strategique reprise de la production bananiere dans des zones affectees par la BBTD: Approches au niveau de la communaute & des menages ruraux'. Bujumbura, Burundi 20-25 Janvier 2014
    2014
    Co-Authors: Lepoint P., Staver C., Ajambo S., Rietveld A., Lava Kumar P., Hanna R., Caruana M.l.
    Abstract:

    La maladie du Bunchy top du bananier (BBTD) causée par le virus du Bunchy top du bananier (BBTV, genre Babuvirus, famille Nanoviridae) rend les plantes infectées improductives et finalement les tue. La BBTD se propage dans de nouveaux champs via le matériel à planter infecté et le puceron du bananier, Pentalonia nigronervosa, répandu dans tout les secteurs de production de bananes et bananes plantains. La BBTD s’est d’abord déclarée en Afrique en 1901 mais s’est propagée largement à de nouveaux secteurs de production ces vingt dernières années. Elle a très récemment atteint le Bénin et le Nigeria en Afrique occidentale en plus de poches de maladie dans les provinces du Kivu (République démocratique du Congo, RDC), voisin du plus grand pays producteur de bananes d’Afrique, l’Ouganda. Actuellement, la maladie du Bunchy top a été enregistrée dans 35 pays en Afrique, Asie, Australie et dans les Îles du Pacifique Sud, dont Hawaii (États-Unis) mais pas dans les Amériques. En Afrique, sa présence a été confirmée dans 14 pays : l'Angola, le Bénin, le Burundi, le Cameroun, la République centrafricaine, la République du Congo, la RDC, l'Égypte, la Guinée Équatoriale, le Gabon, le Malawi, le Nigeria, le Rwanda et la Zambie