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Adaptations to captive breeding of the longhorn beetle Morimus funereus (Coleoptera: Cerambycidae); application on amylase study

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2012
Authors
Dojnov, Biljana
Vujčić, Zoran
Božić, Nataša
Margetić, Aleksandra
Vujčić, Miroslava
Nenadovic, Vera
Ivanovic, Jelisaveta
Article (Published version)
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Abstract
Captive breeding has been suggested as a method of conservation for many vertebrates, and is increasingly being proposed as a strategy for invertebrates. In this study, the growth, development and fertility of adults of the vulnerable cerambycid Morimus funereus reared in captivity are examined. Two oviposition cycles; from May to September and from January to March were studied and larvae from wild adults and from the progeny of captive adults (second generation larvae) were examined. Five to 12 instars were observed during larval development. Larval development was completed in 218 days (average) for the progeny of wild adults with an average mortality rate of 10.3% and in 226 days (average) for larvae from captive adults with mortality rate of 34.9%. First generation larval body weights were disparate during development, while second generation larvae had similar weights with no significant differences. In this study we have tested the potential of captive breaded M. funereus larvae... as a model for investigation of digestive enzymes. Amylase from the midgut of larvae reared under laboratory conditions showed twofold higher specific activities with a decreased number of isoforms expressed, as compared to the enzyme from field-collected larvae. Captive breeding of M. funereus can be used in the future as a part of an effective conservation strategy for this rare insect species.

Keywords:
Cerambycidae / Morimus funereus / Larval development / Midgut alpha-amylase / Isoform
Source:
Journal of Insect Conservation, 2012, 16, 2, 239-247
Publisher:
  • Springer, Dordrecht
Projects:
  • Production, purification and characterization of enzymes and small molecules and their application as soluble or immobilized in food biotechnology, biofuels production and environmental protection (RS-172048)

DOI: 10.1007/s10841-011-9411-x

ISSN: 1366-638X

WoS: 000301588900008

Scopus: 2-s2.0-84858159424
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1030
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