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Date: | Fri, 25 Oct 2013 18:24:13 +0200 |
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For your information:
Microbial Gut Diversity of Africanized and European Honey Bee Larval
Instars. PLoS ONE 8(8): e72106.
Full article here:
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0072106
or
http://tinyurl.com/n8ur67v
Kind regards,
Ghislain De Roeck,
Belgium.
The first step in understanding gut microbial ecology is determining the
presence and potential niche breadth of associated
microbes. While the core gut bacteria of adult honey bees is becoming
increasingly apparent, there is very little and
inconsistent information concerning symbiotic bacterial communities in honey
bee larvae. The larval gut is the target of
highly pathogenic bacteria and fungi, highlighting the need to understand
interactions between typical larval gut flora,
nutrition and disease progression. Here we show that the larval gut is
colonized by a handful of bacterial groups previously
described from guts of adult honey bees or other pollinators. First and
second larval instars contained almost exclusively
Alpha 2.2, a core Acetobacteraceae, while later instars were dominated by
one of two very different Lactobacillus spp.,
depending on the sampled site. Royal jelly inhibition assays revealed that
of seven bacteria occurring in larvae, only one
Neisseriaceae and one Lactobacillus sp. were inhibited. We found both core
and environmentally vectored bacteria with
putatively beneficial functions. Our results suggest that early inoculation
by Acetobacteraceae may be important for
microbial succession in larvae. This assay is a starting point for more
sophisticated in vitro models of nutrition and disease
resistance in honey bee larvae.
Citation: Vojvodic S, Rehan SM, Anderson KE (2013) Microbial Gut Diversity
of Africanized and European Honey Bee Larval Instars. PLoS ONE 8(8): e72106.
doi:10.1371/journal.pone.0072106
Editor: Guy Smagghe, Ghent University, Belgium
Received March 1, 2013; Accepted July 5, 2013; Published August 21, 2013
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