Start codon targeted (SCoT) polymorphism marker in plant genome analysis: current status and prospects

Area of Science:

• Plant genetics and genomics
• Molecular breeding
• Biotechnology

Background:

• The Start Codon Targeted (SCoT) polymorphism marker is a targeted fingerprinting technique gaining importance in plant science.
• It targets the conserved region flanking the start codon, enabling the study of specific gene variations linked to traits.
• SCoT markers are valued for being simple, cost-effective, highly polymorphic, reproducible, and not requiring prior sequence information.

Purpose of the Study:

• To provide a comprehensive overview of the Start Codon Targeted (SCoT) polymorphism marker.
• To illustrate the utilization of SCoT markers in diverse genetic and genomic applications.
• To highlight advancements in SCoT marker applications in plant species over the last 8-10 years.

Main Methods:

• Review of literature on Start Codon Targeted (SCoT) polymorphism markers.
• Analysis of SCoT marker applications in genetic and genomic studies.
• Focus on progress in commercially important and underutilized plant species.

Main Results:

• SCoT markers have been successfully employed in numerous plant species.
• Applications include genetic diversity analysis, relationship studies, cultivar identification, sex determination, linkage and association mapping, gene expression analysis, and genetic fidelity assessment.
• The review covers significant progress and utility of SCoT markers in recent years.

Conclusions:

• Start Codon Targeted (SCoT) polymorphism markers are a versatile and powerful tool in plant genetics, genomics, and molecular breeding.
• Their desirable features make them suitable for a wide array of applications, contributing significantly to plant science research and breeding.
• The review underscores the growing importance and broad applicability of SCoT markers in both academic and applied plant research.