“…Starting in 2018, materials of the conference materials in genetics and genomics were presented in Frontiers in Genetics , and due to popular demand in 2021 it was extended as the Volume II. The BGRS conference series have been presented at special journal issues earlier ( Orlov et al, 2016 ; Tatarinova et al, 2019 ; Orlov et al, 2015 ; Orlov et al, 2019a ; Orlov et al, 2019b ; Baranova et al, 2019 ) and recently ( Tatarinova et al, 2020 ; Orlov and Baranova, 2020 ; Orlov et al, 2020 ; Orlov et al, 2021a ; Orlov et al, 2021b ). We have to acknowledge “Bioinformatics of Gene Regulations and Structure” special issue at MDPI IJMS ( https://www.mdpi.com/journal/ijms/special_issues/Bioinformatics_Genomics ), as well as PeerJ journal BGRS-2020 collection ( https://peerj.com/collections/72-bgrs-sb-2020 ).…”