By Susan Bardocz, Arpad Pusztai
Lectins shape a ubiquitous and demanding classification of normal carbohydrate- binding info proteins. even though the most medical curiosity was once initially focussed on poisonous lectins akin to ricin, contemporary emphasis has shifted to exploring their involvement in cell-to-cell conversation and popularity in microorganisms, crops and animals.; As wisdom of the elemental homes and organic actions of lectins has elevated, intriguing possibilities have arisen for the exploitation of a few of the constructive points of primary lectinology.; "Lectins: Biomedical views" documents the most important achievements of an initiative, funded through the eu group, to coordinate lectin learn all through Europe.
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Extra resources for Lectins: Biomedical Perspectives
C. , 1990, Biological effects of plant lectins on the cowpea weevil, Phytochemistry, 29, 85–89. Nsimba-Lubaki, M. , 1986, Seasonal fluctuations of lectin in bark of elderberry (Sambucus nigra) and black locust (Robinia pseudoacacia), Plant Physiology, 80, 747–51. K. , 1986, Isolation and characterization of glycoprotein lectins from the bark of three species of elder, Sambucus ebulus, Sambucus nigra and Sambucus racemosa, Planta, 168, 113–18. , De Ley, M. , 1984a, An unusual lectin from stinging nettle (Urtica dioica) rhizomes, FEBS Letters, 177, 99–103.
11). Not only is this the first example of a lectin gene being successfully transferred to another plant species resulting in enhanced insect resistance, but it is also the first demonstration of additive protective effects of different plant-derived insect-resistance genes. Expression of a lectin-like protein from Phaseolus vulgaris Moreno and Chrispeels (1989) presented strong circumstantial evidence that an -amylase inhibitor present in the seeds of P. vulgaris and active against mammalian and insect, but not plant, -amylases was encoded by an already identified lectin gene, whose product is referred to as lectin-like protein (LLP).
Although the specificity of a given lectin could be a good indicator of its potential insecticidal properties, in practice this does not always appear to be the case and it is still necessary to test each lectin against the target pest on a case by case basis. For example, although SNA-I was found to be extremely potent to C. maculatus, the seed lectin from Maackia, which exhibits similar specificity, was relatively innocuous to this same insect. Again, whilst the lectins from the seeds of the Brazilian plant species Canavalia brasiliensis, Dioclea paraguariensis, D.
Lectins: Biomedical Perspectives by Susan Bardocz, Arpad Pusztai