Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At1g74390	Probable exonuclease that may be involved in enuclation of sieve elements.	No verified direct reference in this release
Arabidopsis	At5g07710	Probable exonuclease involved in enuclation of sieve elements.	No verified direct reference in this release
Arabidopsis	At5g61390	Probable exonuclease involved in enuclation of sieve elements.	No verified direct reference in this release
Arabidopsis	At4g39810	Probable exonuclease required for enuclation of sieve elements.	No verified direct reference in this release