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1.
B V Goodger M A Commins D J Waltisbuhl I G Wright K Rode-Bramanis 《International journal for parasitology》1990,20(5):685-687
A chloroform extract from Babesia bovis-infected erythrocytes was used to vaccinate a group of five naive cattle. Following vaccination, the vaccinates, along with a group of control cattle, were challenged with a virulent heterologous strain of B. bovis. The vaccinates, comparative to the controls, showed delayed as well as decreased parasitaemias. The serological and initial biochemical studies suggested that the immune response was elicited by lipid of babesial origin. 相似文献
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Alvarez S Goodger JQ Marsh EL Chen S Asirvatham VS Schachtman DP 《Journal of proteome research》2006,5(4):963-972
The xylem in plants has mainly been described as a conduit for water and minerals, but emerging evidence also indicates that the xylem contains protein. To study the proteins in xylem sap, we characterized the identity and composition of the maize xylem sap proteome. The composition of the xylem sap proteome in maize revealed proteins related to different phases of xylem differentiation including cell wall metabolism, secondary cell wall synthesis, and programmed cell death. Many proteins were found to be present as multiple isoforms and some of these isoforms are glycosylated. Proteins involved in defense mechanisms were also present in xylem sap and the sap proteins were shown to have antifungal activity in bioassays. 相似文献
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G.O. Orinda D.J. Waltisbuhl K. Rode-Bramanis B.V. Goodger 《International journal for parasitology》1993,23(8):1011-1017
Serological analysis of Babesia bovis-derived glycolipids by ELISA and the indirect fluorescent antibody technique demonstrated the existence of their antigenic and immunogenic activities not only in B. bovis but also in B. bigemina infections. This indicates that serological cross-reactivity of B. bovis and B. bigemina relates to glycolipids. The negative ELISA reaction obtained with Anaplasma marginale antisera suggested the specificity of the reaction to the genus Babesia. Fractionation of these glycolipids by Florisil Sep-Pak column chromatography with subsequent HPTLC immunostaining and Orcinol staining suggested the presence of carbohydrate antigenic determinants in B. bovis glycolipids. 相似文献
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Neilson EH Goodger JQ Motawia MS Bjarnholt N Frisch T Olsen CE Møller BL Woodrow IE 《Phytochemistry》2011,72(18):2325-2334
The cyanogenic glucoside profile of Eucalyptus camphora was investigated in the course of plant ontogeny. In addition to amygdalin, three phenylalanine-derived cyanogenic diglucosides characterized by unique linkage positions between the two glucose moieties were identified in E. camphora tissues. This is the first time that multiple cyanogenic diglucosides have been shown to co-occur in any plant species. Two of these cyanogenic glucosides have not previously been reported and are named eucalyptosin B and eucalyptosin C. Quantitative and qualitative differences in total cyanogenic glucoside content were observed across different stages of whole plant and tissue ontogeny, as well as within different tissue types. Seedlings of E. camphora produce only the cyanogenic monoglucoside prunasin, and genetically based variation was observed in the age at which seedlings initiate prunasin biosynthesis. Once initiated, total cyanogenic glucoside concentration increased throughout plant ontogeny with cyanogenic diglucoside production initiated in saplings and reaching a maximum in flower buds of adult trees. The role of multiple cyanogenic glucosides in E. camphora is unknown, but may include enhanced plant defense and/or a primary role in nitrogen storage and transport. 相似文献
8.
Proteinases in the lysate of bovine erythrocytes infected with Babesia bovis: initial vaccination studies 总被引:1,自引:0,他引:1
The lysate of erythrocytes infected with Babesia bovis was tested for proteinases using an electrophoretic method in which substrate was included in the acrylamide matrix. Two babesial proteinases, which seemingly exist in both free and complexed forms, were detected. One of the proteinases was prepared by chromatography and preparative electrophoresis and used to vaccinate four splenectomized calves. The latter, along with a group of control splenectromized calves, were challenged with a strain of B. Bovis from which the proteinase was obtained. All the control calves died whereas only one of the vaccinates died. The protection was evident as a suppression of parasitaemia. 相似文献
9.
Cloning and characterization of the gene for the '19 kDa' antigen of Mycobacterium bovis 总被引:7,自引:0,他引:7
M E Collins A Patki S Wall A Nolan J Goodger M J Woodward J W Dale 《Journal of general microbiology》1990,136(7):1429-1436
Monoclonal antibody CMA134.1 reacted with a protein antigen of apparent molecular mass 22 kDa from Mycobacterium bovis and Mycobacterium tuberculosis, and with an apparently 24 kDa antigen of Mycobacterium kansasii, but not with other mycobacteria or related species. This antibody was used to screen a gene library of M. bovis in lambda gt11 and identified a recombinant clone that expressed a protein with an apparent molecular mass of 19-20 kDa. Gene expression occurred from the lac promoter in lambda gt11, but used an unidentified vector promoter, possibly that of the replication primer RNA, in the final plasmid construct. The sequence of an 840 bp fragment was determined and shown to code for a product of 15 kDa. This sequence is identical to that, independently determined, of a gene from M. tuberculosis, usually referred to as the 19 kDa antigen. The reasons for the apparent size discrepancies are discussed. 相似文献
10.
Babesia bovis: vaccination trial with a dominant immunodiffusion antigen in splenectomised calves 总被引:4,自引:0,他引:4
B V Goodger M A Commins I G Wright G B Mirre D J Waltisbuhl M White 《Zeitschrift für Parasitenkunde (Berlin, Germany)》1986,72(6):715-722
The dominant immunodiffusion antigen of Babesia bovis was prepared from the lysate of infected erythrocytes by cation exchange chromatography, gel filtration and preparative native acrylamide electrophoresis. It was seemingly free of other babesial antigens and tested as a vaccine. In vaccinated calves, compared to controls, there was a delay in parasitaemia and at times a statistically significant difference in parasite numbers. However, the vaccinates showed little difference in pathophysiological parameters or survival rates from the controls. It was concluded that serodominance cannot necessarily be correlated with protection. 相似文献