MCE activities and malathion resistances in field populations of the Australian sheep blowfly (Lucilia cuprina)

Article Abstract:

Malathion carboxylesterase (MCE) activities and malathion resistances have been investigated in field populations of the Australian sheep blowfly (Lucilia cuprina). Five mass populations, three sets of field-derived samples, two sets of isogenic lines were studied. Resistance to malathion in the samples is associated with high MCE activity in both sets of isogenic lines and four of the five mass populations. Diazinon resistances from the same three samples were assayed. Diazinon and malathion resistances were in complete disequilibrium with two exceptions.

Australia, Physiological aspects, Environmental aspects, Genetic aspects, Enzymes, Flies, Diptera, Insecticide resistance, Malathion, Diazinon

---

A single monooxygenase, Ese, is involved in the metabolism of the organochlorides endosulfan and endosulfate in an Arthrobacter sp

Article Abstract:

The isolation of a bacterium capable of degrading both isomers of the organochloride insecticide endosulfan and its toxic metabolite, endosulfate, is described. The sequence of encodes as enzyme (Ese) is related to the sequence of Esd and the operon not containing ese contains a homologue whose product displayed 62% amino acid identity to the ese-encoded protein.

Science & research, Research, Biodegradation, Oxidases, Bacterial genetics, Organochlorine compounds, Organic chlorine compounds, Chemical properties

---

Similar abstracts:

• Abstracts: Geographic and temporal variation in the incidence of melanism in peppered moth populations in America and Britain
• Abstracts: Species limits and recent population history in the curve-billed thrasher. Comparative phylogeography of some aridland bird species
• Abstracts: Colony differences in response to trapping in Roseate Terns. Sex ratio bias at hatching and fledging in the Roseate Tern
• Abstracts: Cell cycle-regulated modification of the ribosome by a variant multiubiquitin chain. Distinct initiation and maintenance mechanisms cooperate to induce G1 cell cycle arrest in response to DNA damage
• Abstracts: GSK-3 kinases enhance calcineurin signaling by phosphorylation of RCNs. A conserved family of calcineurin regulators

This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.