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Table 3 Categories of the symbiosis-related genes according to the functional information obtained from the BLASTX and literature searches

From: In vitro resynthesis of lichenization reveals the genetic background of symbiosis-specific fungal-algal interaction in Usnea hakonensis

Category name Fungal genes Algal genes
Amino acid synthesis 1 3
Carbohydrate metabolism 2 1
Cell wall organization 5 0
Cellular respiration 3 0
Cytochrome P450 5 0
Development 3 0
Lipid metabolism 7 2
Methylation 0 1
Nitrogen metabolism 0 2
Phosphate metabolism 0 1
Photosynthesis 0 4
Proteolysis 5 1
Redox 2 0
Secondary metabolism 1 0
Signal transduction 1 1
Stress response 3 2
Transcription/translation 3 25
Transport 11 5
Xenobiotic metabolism 3 1
Uncategorized 3 3
Total 58 52