Comparative study of the cuticular hydrocarbon in queens, workers and males of Ectatomma vizottoi (Hymenoptera, Formicidae) by Fourier transform-infrared photoacoustic spectroscopy
Genet. mol. res. (Online)
; Genet. mol. res. (Online);6(3): 492-499, 2007. ilus, tab, graf
Article
em En
| LILACS
| ID: lil-498923
Biblioteca responsável:
BR26.1
ABSTRACT
Fourier transform-infrared photoacoustic spectroscopy was applied for the first time, to our knowledge, to distinguish different castes of an ant species. The method was applied directly to the abdomen of queens, workers and males of Ectatomma vizottoi ants, without any special sample preparation. The absorption bands of secondary amide and hydrocarbons were identified; using these as variables in a canonical discriminant analysis we found significant differences between the castes. Queens have a greater hydrocarbon content than do workers and males, which is related to their function in the colony. This technique can be used to analyze and distinguish small chemical differences in biological systems, even in opaque samples.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Formigas
/
Feromônios
/
Comportamento Animal
/
Hidrocarbonetos
Tipo de estudo:
Prognostic_studies
Limite:
Animals
Idioma:
En
Revista:
Genet. mol. res. (Online)
Assunto da revista:
BIOLOGIA MOLECULAR
/
GENETICA
Ano de publicação:
2007
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Brasil