Abstract:
:Primates have stimulated more interest than any other group as humans are ranked in this same mammalian order. Gustatory responses of human and nonhuman primates have already been compared for compounds such as monosaccharides, oligosaccharides, polyols, amino acids, dipeptides, proteins, dihydrochalcones, sulfamates, saccharin, acesulfame, diterpenes or urea derivatives, all known to be sweet in man. But no rational comparison in primates has been attempted. Using a structure-activity relationship study in primates, it is now possible to classify the primate sweetness receptors into four types according to the behavioral responses observed from various selected compounds sweet in humans. The four types are represented by (1) the Callitrichidae and (2) the Cebidae, both from the infraorder Platyrrhini (New World monkeys), (3) the Lemuridae and Lorisidae, from the suborder Prosimii (prosimians), and (4) the Cercopithecidae (Old World monkeys), Hylobatidae (lesser apes), Pongidae (great apes), and Hominidae (humans) from the infraorder Catarrhini (Old World simians). By a comparative study of the putative receptor recognition sites postulated for each type of receptor, it is inferred that the Callitrichidae (marmosets and tamarins) have retained the most primitive sweetness receptor among primates. As we believe that the evolution of the sweetness receptor is a key factor involved in the raising of nonhuman primates from a 'primitive grade' towards a more 'advanced' or 'simian grade,' the possible phylogenetic implications of these findings will be discussed.
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Glaser D,Tinti JM,Nofre Cdoi
10.1111/j.1749-6632.1998.tb10561.xsubject
Has Abstractpub_date
1998-11-30 00:00:00pages
169eissn
0077-8923issn
1749-6632journal_volume
855pub_type
杂志文章abstract::Our previous studies of anti-DNA antibodies in SLE have demonstrated a preferential use of V kappa I and V lambda II gene families to encode light chains of antibodies that express the anti-DNA-associated 3I and 8.12 idiotypes, respectively. In this study, we employed PCR to obtain V kappa I and V lambda II germline g...
journal_title:Annals of the New York Academy of Sciences
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abstract::1. There are several endogenous ligands that bind to I-receptors of both the I1 and I2 subclass. These include: (a) classic CDS, a partially purified entity isolated by the criteria that it displaces binding ligands to alpha 2- and I-receptors; (b) immunoreactive (ir)-CDS, a moiety that binds to antibodies raised agai...
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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abstract::West Nile virus (WNV) caused disease outbreaks in Israel in the 1950s and the late 1970s. In 1998 an outbreak of WNV in goose farms and evidence of infection in dead migratory birds were reported. Consequently, human diagnostic services for WNV were resumed, including virus isolation, serology, and RT-PCR. Risk factor...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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