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Fatty acid composition of the parasitic mite Varroa destructor and its host the worker prepupae of Apis mellifera

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The present study analyzes the fatty acid (FA) profile of lipids isolated from Varroa destructor Anderson & Trueman, a parasitic mite of the honey bee (Apis mellifera L.), uninfected and infected worker prepupae of the Carnolian subspecies Apis mellifera carnica Pollmann, and bee bread fed to the worker brood. Significant differences are observed in the FA profiles of lipids isolated from parasites, hosts and bee bread. Parasitism by V. destructor (henceforth, varroosis) induces visible changes in the lipid profile of worker prepupae. In infected prepupae, the percentage of total saturated FAs is lower and the percentage of unsaturated FAs is higher than in uninfected insects. These differences result from significant changes in the percentages of FAs that are most abundant in the evaluated groups (i.e. C16:0, C18:1 9c, C18:2n-6 and C18:3n-3 FAs). In mites and in uninfected and infected prepupae, the predominant
FAs are oleic acid (41.07±2.26%, 42.79±1.21% and 45±0.20%, respectively) and palmitic acid (22.62±0.87%, 39.48±0.43% and 36.84±0.22%, respectively). Highly significant differences in FAcomposition are noted between bee bread andworker brood. The results suggest specific mechanisms of FA uptake, accumulation and metabolism in the food chain of this parasitic association, beginning from the food processed by nurse bees for larval feeding, through host organisms (worker brood) to V. destructor mites.

Key words. Apis mellifera, fatty acids, honey bee, lipids, mite, Varroa destructor.

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Informasi Detail

Judul Seri

Physiological Entomology

No. Panggil

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Penerbit

: The Royal Entomological Society., 2016

Deskripsi Fisik

Physiological Entomology (2016) 41, 31–37

Bahasa

English

ISBN/ISSN

DOI: 10.1111/phen.12

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

BIOLOGI

Info Detail Spesifik

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Pernyataan Tanggungjawab

Wati/Agus

Versi lain/terkait

Lampiran Berkas

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