Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g20585	Required for karyogamy during female gametophyte development, when the two polar nuclei fuse to form the diploid central cell nucleus.	NUCLEAR FUSION DEFECTIVE1 encodes the Arabidopsis RPL21M protein and is required for karyogamy during female gametophyte development and fertilization.; 2006; DOI: 10.1104/pp.106.079319; PMID: 16698901; https://pubmed.ncbi.nlm.nih.gov/16698901/