Fragmentation spectrum of a peptide with accurate measured mass of 1783.8352 Da (M), quadruply-charged precursor (m/z 446.9661).

<p>The sequence under the spectrum shows observed cleavages.</p

Fragmentation spectrum of a peptide with accurate measured mass of 1209.7315 Da (M), doubly-charged precursor (m/z 605.3694).

<p>The sequence under the spectrum shows observed cleavages for complete peptide and for b10-ion. Internal ions formed from b10 are marked with asterisk.</p

Structure of the "mating sign."

<p>Structure of the "mating sign."</p

Localization prediction of identified proteins by TargetP [38].

<p>Localization prediction of identified proteins by TargetP [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0125068#pone.0125068.ref038" target="_blank">38</a>].</p

Fragmentation spectrum of a peptide with accurate measured mass of 1783.8352 Da (M), triply-charged precursor (m/z 595.6189).

<p>The sequence under the spectrum shows observed cleavages.</p

Proteins identified in reproduction-related glands of <i>Apis mellifera</i> drones by SEQUEST and <i>de novo</i> approach.

<p>Proteins identified in reproduction-related glands of <i>Apis mellifera</i> drones by SEQUEST and <i>de novo</i> approach.</p

KEGG pathway analysis of <i>P</i>. <i>atrosepticum</i> genes up- and down-regulated in cross-protected cells compared to growing ones (p-value ≤0.05).

<p>KEGG pathway analysis of <i>P</i>. <i>atrosepticum</i> genes up- and down-regulated in cross-protected cells compared to growing ones (p-value ≤0.05).</p

Direct comparison of identified proteins with those reported earlier [21,30,34].

<p>Direct comparison of identified proteins with those reported earlier [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0125068#pone.0125068.ref021" target="_blank">21</a>,<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0125068#pone.0125068.ref030" target="_blank">30</a>,<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0125068#pone.0125068.ref034" target="_blank">34</a>].</p

Fragmentation spectrum of a peptide with accurate measured mass of 1359.7779 Da (M), doubly-charged precursor (m/z 680.3926).

<p>The sequence under the spectrum shows observed cleavages.</p

Number of DEGs assigned to a particular pathway by means of GO, KEGG and manual classification using different databases.

<p>Number of DEGs assigned to a particular pathway by means of GO, KEGG and manual classification using different databases.</p