Abbreviation	Full term
ALA	5-Aminolevulinic acid
Amf	α-mating factor prepro leader
BCA	Bicinchoninic acid
CFU	Colony-forming units
CHb	Clover hemoglobin
CTAB	Cetyltrimethylammonium bromide
CysR	Cysteine-rich protein-derived signal peptide
ΔCt	Delta threshold cycle
eGFP	Enhanced green fluorescent protein
ER	Endoplasmic reticulum
Gla	Glucoamylase signal peptide
gmaLegHb	Glycine max leghemoglobin
Hb	Hemoglobin
IM	Induction medium
LB	Luria–Bertani
Lb2	Vigna unguiculata leghemoglobin 2
LegH	Leghemoglobin
MFα	α-Mating factor
msGFP	Monomeric superfolder green fluorescent protein
NPA	Clostridioides difficile Toxin A neutralizing peptide
NTC	No-template control
OD600	Optical density at 600 nm
PCR	Polymerase chain reaction
PDA	Potato dextrose agar
RT-qPCR	Reverse transcription quantitative PCR
SD	Standard deviation
SDS-PAGE	Sodium dodecyl sulfate–polyacrylamide gel electrophoresis
TCA	Trichloroacetic acid
VHb	Vitreoscilla hemoglobin
WT	Wild type
Ygpd	T. fuciformis glyceraldehyde-3-phosphate dehydrogenase promoter
YLCs	Yeast-like cells