Table 2. Summary of the main functions related to genes differentially expressed between the antennae of FOR and NUR bees.

General function	Number of genes	Proportion of the DEG	GO functions
General metabolism	(−) : 25	19.1%	Redox metabolism, carbohydrate metabolism, fatty acid metabolism, lipid metabolism
	(+) : 16
Neuronal processes	(−) : 18	14.0%	Sensory perception (of smell and taste), neurotransmission, synaptic function, neuropeptide, synapse organisation
	(+) : 12
Structural	(−) : 23	13.5%	Structural component of membranes, cell adhesion, protein folding, extracellular matrix organisation
	(+) : 6
Transport	(−) : 13	12.6%	Ion, lipid, carbohydrate and protein transport
	(+) : 14
Transcription regulation	(−) : 4	9.8%	Transcription regulation, nucleosome assembly
	(+) : 17
Oxidative phosphorylation	(−) : 16	9.3%	Oxidative phosphorylation
	(+) : 4
Cuticle structure	(−) : 1	8.4%	Structure of cuticle, control of pigmentation of cuticle
	(+) : 17
Motor activity	(−) : 5	5.1%	Motor protein, muscle assembly
	(+) : 6
Development	(−) : 9	4.2%	Developmental proteins
	(+) : 0
Immunity	(−) : 4	3.3%	Immunity, defence response, phagocytosis
	(+) : 3
Stress response	(−) : 2	1.0%	Stress response
	(+) : 0

The number of under- (−) and over-expressed (+) genes in FOR bees as well as the total proportion of genes attributed to each function is indicated.