COPII Components Sar1b and Sar1c Play Distinct Yet Interchangeable Roles in Pollen Development
Xin Liang, Shanwei Li, Limin Gong, Sha Li, Yan Zhang
Abstract
microspores aborted at anther developmental stage 10. This study uncovers the role of Sar1 isoforms in both sporophytic and gametophytic control of pollen development. It also suggests that distinct functions of Sar1 isoforms may be caused by their distinct transcription programs.
Topics & Concepts
COPIITapetumBiologyArabidopsisCell biologyGene isoformMutantGolgi apparatusEctopic expressionMicrosporeCOPIArabidopsis thalianaGeneticsEndoplasmic reticulumGenePollenBotanyStamenSecretory pathwayPlant Reproductive BiologyPlant Molecular Biology ResearchPhotosynthetic Processes and Mechanisms