User profiles for James Legg

James Legg

Scientist, IITA-Tanzania
Verified email at cgiar.org
Cited by 8726

Cassava mosaic geminiviruses in Africa

JP Legg, CM Fauquet - Plant molecular biology, 2004 - Springer
Cassava mosaic disease (CMD) caused by cassava mosaic geminiviruses (CMGs) (Geminiviridae:Begomovirus)
is undoubtedly the most important constraint to the production of …

Cassava mosaic virus disease in East and Central Africa: epidemiology and management of a regional pandemic

JP Legg, B Owor, P Sseruwagi, J Ndunguru - Advances in virus research, 2006 - Elsevier
Publisher Summary This chapter provides a detailed description of the character, pattern of
spread and impact of the pandemic and reviews management initiatives implemented to …

Cassava virus diseases: biology, epidemiology, and management

JP Legg, PL Kumar, T Makeshkumar, L Tripathi… - Advances in virus …, 2015 - Elsevier
Cassava (Manihot esculenta Crantz.) is the most important vegetatively propagated food
staple in Africa and a prominent industrial crop in Latin America and Asia. Its vegetative …

Cassava mosaic virus disease in East Africa: a dynamic disease in a changing environment

JP Legg, JM Thresh - Virus research, 2000 - Elsevier
Cassava mosaic disease (CMD), now known to be caused by cassava mosaic geminiviruses
(Family Geminiviridae; Genus Begomovirus), was first reported in East Africa in 1894. …

The role of the CD44 transmembrane and cytoplasmic domains in co-ordinating adhesive and signalling events

RF Thorne, JW Legg, CM Isacke - Journal of cell science, 2004 - journals.biologists.com
CD44 is a widely distributed type I transmembrane glycoprotein and functions as the major
hyaluronan receptor on most cell types. Although alternative splicing can produce a large …

[HTML][HTML] Deep learning for image-based cassava disease detection

…, P McCloskey, B Ahmed, J Legg… - Frontiers in plant …, 2017 - frontiersin.org
Cassava is the third largest source of carbohydrates for human food in the world but is
vulnerable to virus diseases, which threaten to destabilize food security in sub-Saharan Africa. …

Emergence, spread and strategies for controlling the pandemic of cassava mosaic virus disease in east and central Africa

JP Legg - Crop protection, 1999 - Elsevier
During the 1990s, an epidemic of an unusually severe form of cassava mosaic virus
disease (CMD) has expanded to cover virtually all of Uganda, and substantial areas in the …

Methods of surveying the incidence and severity of cassava mosaic disease and whitefly vector populations on cassava in Africa: a review

P Sseruwagi, WS Sserubombwe, JP Legg, J Ndunguru… - Virus research, 2004 - Elsevier
Field surveys in many cassava growing areas of Africa have assessed the incidence and
severity of cassava mosaic disease (CMD), populations of the whitefly vector (Bemisia tabaci), …

The NF2 tumor suppressor gene product, merlin, mediates contact inhibition of growth through interactions with CD44

H Morrison, LS Sherman, J Legg, F Banine… - Genes & …, 2001 - genesdev.cshlp.org
The neurofibromatosis-2 (NF2) gene encodes merlin, an ezrin-radixin-moesin-(ERM)-related
protein that functions as a tumor suppressor. We found that merlin mediates contact …

[HTML][HTML] Molecular biodiversity of cassava begomoviruses in Tanzania: evolution of cassava geminiviruses in Africa and evidence for East Africa being a center of …

J Ndunguru, JP Legg, TAS Aveling, G Thompson… - Virology journal, 2005 - Springer
Cassava is infected by numerous geminiviruses in Africa and India that cause devastating
losses to poor farmers. We here describe the molecular diversity of seven representative …