Assessing host range, symbiotic effectiveness, and photosynthetic rates induced by native soybean rhizobia isolated from Mozambican and south African soils, Gyogluu, C.*, Mohammed, M.*, Jaiswal, S. K.*, Boahen, S. and Dakora, F. D.*, in: Symbiosis, volume 75, pages 257-266, ISSN 0334-5114, 2018. [DOI] |
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Bactrocera invadens (Diptera: Tephritidae), a new invasive fruit fly pest for the afrotropical region: host plant range and distribution in West and Central Africa, Goergen, G ., Vayssieres, J., Gnanvossou, D. and Tindo, M., in: Environmental Entomology, volume 40, number 4, pages 844-854, ISSN 0046-225X, 2011. [DOI] |
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Biology of Prochiloneurus insolitus (Alam) (Hymenoptera, Encyrtidae), a hyperparasitoid on mealybugs (Homoptera, Pseudococcidae): immature morphology, host acceptance and host range in west Africa, Goergen, G . and Neuenschwander, P., in: Bulletin de la societe entomologique suisse, volume 63, pages 317-326, ISSN 0036-7575, 1990. [DOI] |
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Chartocerus hyalipennis (Hayat) (Hym: Signiphoridae), a gregarious hyperparasitoid on mealybugs (Hom.: pseudococcidae): biology and host range in west Africa, Goergen, G. and Neuenschwander, P., in: Bulletin de la Societe Entomologique Suisse, volume 67, pages 297-308, ISSN 0036-7575, 1994. |
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Host range of sorghum ergot pathogens Claviceps sorghi and C. africana in India, Muthusubramanian, V., Bandyopadhyay, R., Tooley, P., Rajaram, R. and Reddy, D., in: Journal of Phytopathology, volume 153, pages 1-4, 2005. |
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Host range studies of Fusarium oxysporum f.sp. strigae meant for the biological control of Striga hermonthica on maize and sorghum, Zarafi, A. B.*, Elzein, A., Abdulkadir, D. I.*, Beed, F. and Akinola, O. M.*, in: Archives of Phytopathology and Plant Protection, pages 1-9, ISSN 0323-5408, 2014. [DOI] |
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Host-range and survival studies of Peronosclerospora sorghi at two locations in Nigeria, Olanya, O. and Fajemisin, J., in: International Journal of Pest Management, volume 39, number 1, pages 13-18, 1993. |
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Inoculated host range and effect of host on morphology and size of Macroconidia produced by Claviceps africana and Claviceps sordhi, Muthusubramanian, V., Bandyopadhyay, R., Tooley, P. and Reddy, D., in: Journal of Phytopathology, volume 153, pages 1-4, 2005. |
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Phenotypic, host range and symbiotic characteristics of indigenous soybean nodulating rhizobia from Ethiopian soils, Abera, Y.*, Masso, C. and Assefa, F.*, in: Ethiopian Journal of Agricultural Sciences, volume 28, number 3, pages 95-116, ISSN 2415-2382, 2018. |
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Range of cultivated and wild host plants of the main mango fruit fly species in Benin, Vayssieres, J., Sinzogan, A. and Adandonon, A., number Leaflet 8, 2009. |
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Seasonality and range of fruit fly (Diptera Tephritidae) host plants in orchards in Niayes and the Thies Plateau (Senegal), Ndiaye, O.*, Vayssieres, J., Rey, J., Ndiaye, S.*, Diedhiou, P. M.*, Ba, C.T.* and Diatta, P.*, in: Fruits, volume 67, number 5, pages 311-331, ISSN 0248-1294, 2012. [DOI] |
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Host range studies of Fusarium oxysporum f.sp. strigae meant for the biological control of Striga hermonthica on maize and sorghum, Zarafi, A. B.*, Elzein, A., Abdulkadir, D. I.*, Beed, F. and Akinola, O. M.*, in: Archives of Phytopathology and Plant Protection, pages 1-9, ISSN 0323-5408, 2014. [DOI] |
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Keywords: | host range; Striga hermonthica; Fusarium oxysporum;
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Identifying aflatoxin resistance-related proteins/genes through proteomics and RNAi gene silencing, Chen, Z. Y., Brown, R., Guo, B. Z., Menkir, A. and Cleveland, T. E., in: Peanut Science, volume 36, number 1, pages 35-41, ISSN 0095-3679, 2009. |
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Abstract: Aflatoxins are carcinogenic secondary metabolites
produced mainly by Aspergillus flavus Link ex. Fries, and A. prarasiticus Speare during infection of susceptible crops, such as maize, cottonseed, peanuts and tree nuts. This paper will review research efforts in identifying aflatoxin resistance-related proteins/genes in maize. Similar strategies may be useful in peanut. For maize, although genotypes resistant to A. flavus infection or aflatoxin production have been identified, the incorporation of resistance into commercial lines has been slow due to the lack of selectable markers
and poor understanding of host resistance mechanisms. Recently, resistance-associated proteins (RAPs) were identified through proteomic comparison of constitutive protein profiles between
resistant and susceptible maize genotypes. These
proteins belong to three major groups based on
their peptide sequence homologies: storage proteins, stress-related proteins, and antifungal proteins. Preliminary characterization of some of
these RAPs suggest that they play a direct role in
host resistance, such as pathogenesis-related
protein 10 (PR10), or an indirect role, such as
glyoxalase I (GLX I), through enhancing the host
stress tolerance. To verify whether these RAPs
play a role in host resistance, RNA interference
(RNAi) gene silencing technique was used to
silence the expression of these genes in maize.
RNAi vectors (glx I RNAi and pr10 RNAi) were
constructed using Gateway technology, and then
transformed into immature maize embryos using
both bombardment and Agrobacterium infection.
The extent of gene silencing in transgenic callus
tissues ranged from 20% to over 99%. The RNAi
silenced transgenic maize seeds have also been
obtained from plants regenerated from Agrobacterium transformed callus lines. Kernel screen assay of the transgenic maize kernels demonstrated a significant increase in susceptibility to A. flavus colonization and aflatoxin production in
some of the silenced transgenic lines compared
with non-silenced control kernels, suggesting the
direct involvement of these two proteins in
aflatoxin resistance in maize.
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