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Isoenzyme variation in the leaf-cutting ants Acromyrmex heyeri and Acromyrmex striatus (Hymenoptera: formicidae)

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Isoenzyme variation in the leaf-cutting ants Acromyrmex heyeri and Acromyrmex striatus (Hymenoptera: formicidae)

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Título Isoenzyme variation in the leaf-cutting ants Acromyrmex heyeri and Acromyrmex striatus (Hymenoptera: formicidae)
Autor Diehl, Elena
Cavalli, Suzana Smith
Araujo, Aldo Mellender de
Abstract This is the first study of isoenzyme variability in the leaf-cutting ants (Myrmicinae, Attini) Acromyrmex heyeri (Forel, 1899) and A. striatus (Roger, 1863) which are common throughout the southern Brazilian state of Rio Grande do Sul. We studied the alloenzyme variability of malate dehydrogenase (MDH), α-glycerophosphate dehydrogenase (α-GPDH) and amylase (AMY) in 97 colonies of A. heyeri and 103 colonies of A. striatus. Five loci were found for these enzyme systems, one locus (Amy-1) being monomorphic in both species and four loci (Mdh-1, α-Gpdh-1, Amy-2, and Amy-4) being polymorphic. For each species there were exclusive alleles for the Mdh-1 and Amy-2 loci and differences were also found in the allele frequencies for the other polymorphic loci. Ontogenetically different gene activity was detected for the MDH and α-GPDH systems, with between-caste differences, probably related to flight activity, also being found for α-GPDH.
Contido em Genetics and molecular biology. Ribeirão Preto. Vol. 25, no. 2 (June 2002), p. 173-178
Assunto Acromyrmex heyeri
Acromyrmex striatus
Formicidae
Isoenzima
Polimorfismo
[en] Allozyme variation
[en] Ants
[en] Fungus grower ants
[en] Genetic polymorphism
[en] Haplodiploid
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/23350
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