qySi567 [ced-10p::pyk-1a::mNG + loxP] I. Single-copy insertion. Glycolytic enzyme pyk-1a expressed under the ced-10 promoter which shows uterine expression and forms clusters only in the anchor cell. Reference: Garde A, et. al. Dev. Cell. 2022 Mar 28;57(6):732-749.e7. PMID: 35316617