Nuclear-Cytoplasmic Coevolution Analysis of RuBisCO in Synthesized Cucumis Allopolyploid.

ABSTRACT: Allopolyploids are often faced with the challenge of maintaining well-coordination between nuclear and cytoplasmic genes inherited from different species. The synthetic allotetraploid Cucumis × hytivus is a useful model to explore cytonuclear coevolution. In this study, the sequences and expression of cytonuclear enzyme complex RuBisCO as well as its content and activity in C. × hytivus were compared to its parents to explore plastid-nuclear coevolution. The plastome-coded rbcL gene sequence was confirmed to be stable maternal inheritance, and parental copy of nuclear rbcS genes were both preserved in C. × hytivus. Thus, the maternal plastid may interact with the biparentally inherited rbcS alleles. The expression of the rbcS gene of C-homoe

SUBMITTER: Zhai Y 

PROVIDER: S-EPMC6895982 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature